Relevant bibliographies by topics / Groundwater In situ remediation. Oxidation

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Groundwater In situ remediation. Oxidation'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Groundwater In situ remediation. Oxidation"

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Yu, Shu Bin, Zhen Min Ma, and Hui Shen Zhang. "In Situ Remediation Technology of Groundwater Contaminated by Petroleum Contaminants." Advanced Materials Research 322 (August 2011): 213–18. http://dx.doi.org/10.4028/www.scientific.net/amr.322.213.

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The paper presents concepts of permeable reactive wall, groundwater aeration, in-situ chemical oxidation, in-situ electrokinetic remediation, bioremediation, and the progress of their researches are discussed. Situ remediation of petroleum contaminants in groundwater proposed a variety of technologies should combine to improve the repair efficiency and reduce capital investment.
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Seyedpour, S. M., I. Valizadeh, P. Kirmizakis, R. Doherty, and T. Ricken. "Optimization of the Groundwater Remediation Process Using a Coupled Genetic Algorithm-Finite Difference Method." Water 13, no. 3 (February 1, 2021): 383. http://dx.doi.org/10.3390/w13030383.

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In situ chemical oxidation using permanganate as an oxidant is a remediation technique often used to treat contaminated groundwater. In this paper, groundwater flow with a full hydraulic conductivity tensor and remediation process through in situ chemical oxidation are simulated. The numerical approach was verified with a physical sandbox experiment and analytical solution for 2D advection-diffusion with a first-order decay rate constant. The numerical results were in good agreement with the results of physical sandbox model and the analytical solution. The developed model was applied to two different studies, using multi-objective genetic algorithm to optimise remediation design. In order to reach the optimised design, three objectives considering three constraints were defined. The time to reach the desired concentration and remediation cost regarding the number of required oxidant sources in the optimised design was less than any arbitrary design.
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Xie, Tian, Zhi Dang, Jian Zhang, Qian Zhang, Rong-Hai Zhang, Chang-Jun Liao, and Gui-Ning Lu. "Decontamination of dense nonaqueous-phase liquids in groundwater using pump-and-treat and in situ chemical oxidation processes: a field test." RSC Advances 11, no. 7 (2021): 4237–46. http://dx.doi.org/10.1039/d0ra10010b.

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Maier, D., M. Maier, and M. Sörensen. "Funnel and radiation: a new technique for groundwater remediation." Water Supply 2, no. 1 (January 1, 2002): 109–12. http://dx.doi.org/10.2166/ws.2002.0014.

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For the remediation of the groundwater of the former gas plant site of the city of Karlsruhe, which is contaminated with Polycyclic Aromatic Hydrocarbons (PAHs), a funnel-and-gate system was designed. In addition to the primary contamination with PAHs from the site itself a secondary contamination with vinylchloride (VC) is present in the aquifer as a result of a plume of degraded volatile organic compounds (VOCs) transported into the contaminated area from outside. For the removal of the contaminants an advanced novel technique consisting of an in-situ-UV-radiation in combination with adsorption on activated carbon was used. In this paper the first results of the experiments of the application of pilot scale equipment for the in-situ-UV-radiation for the oxidation of PAHs and VC are presented.
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Beretta, Daghio, Espinoza Tofalos, Franzetti, Mastorgio, Saponaro, and Sezenna. "Progress Towards Bioelectrochemical Remediation of Hexavalent Chromium." Water 11, no. 11 (November 7, 2019): 2336. http://dx.doi.org/10.3390/w11112336.

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Chromium is one of the most frequently used metal contaminants. Its hexavalent form Cr(VI), which is exploited in many industrial activities, is highly toxic, is water-soluble in the full pH range, and is a major threat to groundwater resources. Alongside traditional approaches to Cr(VI) treatment based on physical-chemical methods, technologies exploiting the ability of several microorganisms to reduce toxic and mobile Cr(VI) to the less toxic and stable Cr(III) form have been developed to improve the cost-effectiveness and sustainability of remediating hexavalent chromium-contaminated groundwater. Bioelectrochemical systems (BESs), principally investigated for wastewater treatment, may represent an innovative option for groundwater remediation. By using electrodes as virtually inexhaustible electron donors and acceptors to promote microbial oxidation-reduction reactions, in in situ remediation, BESs may offer the advantage of limited energy and chemicals requirements in comparison to other bioremediation technologies, which rely on external supplies of limiting inorganic nutrients and electron acceptors or donors to ensure proper conditions for microbial activity. Electron transfer is continuously promoted/controlled in terms of current or voltage application between the electrodes, close to which electrochemically active microorganisms are located. Therefore, this enhances the options of process real-time monitoring and control, which are often limited in in situ treatment schemes. This paper reviews research with BESs for treating chromium-contaminated wastewater, by focusing on the perspectives for Cr(VI) bioelectrochemical remediation and open research issues.
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Anvarov, Adyl, Adelaida Pelaez Angel, Beatriz Felices Rando, and Jimena Lazaro Gil. "Remediation of groundwater contamination from an old, non-functional landfill in Hořkovec open cast mine, Czech Republic." Journal of Water Supply: Research and Technology-Aqua 68, no. 8 (November 28, 2019): 829–41. http://dx.doi.org/10.2166/aqua.2019.198.

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Abstract The main aim of this work was to assess different suitable strategies for the remediation of groundwater contaminated with the leachate from an old, not functional landfill located next to Hořkovec open cast mine, in the Czech Republic. The leachate consisted of mainly chlorinated aliphatic compounds and aromatic volatile compounds. The site, that had already been treated, was observed to show rebounding effects after the first remediation treatment. This article analyses the possibilities of using different types of remediation technologies that include in-situ chemical oxidation (ISCO) with different oxidants (potassium permanganate, sodium permanganate and sodium persulfate), as well as in-situ bioremediation (ISB), and the combination of both types of treatment. From the results of the analysis it was concluded that the best option for this case was to carry out a pre-treatment of the area by ISCO with sodium persulfate as the oxidant agent and then a further biological treatment.
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Schmitt, Jean-Michel, Sabine Huet-Taillanter, and Médard Thiry. "The industrial waste land of Mortagne-du-Nord (59) – II – Oxidizing alteration of the slags, hydrochemistry, geochemical modelling and remediation proposal." Bulletin de la Société Géologique de France 173, no. 4 (July 1, 2002): 383–93. http://dx.doi.org/10.2113/173.4.383.

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Abstract The slag backfills of the former sulfuric acid factory of Mortagne-du-Nord (59) are sulfide- and metal-rich (Zn, Pb, Cd). Sulfide oxidation leads to acidification of surficial groundwater and the dispersal of the metals into the environment, by flow towards the rivers which run along the site. The surficial groundwater pHs fall between 2.5 and 6.8 and the metal content is very high, reaching in places 6 000 mg/L of Zn, 2.5 mg/L of Pb and 600 mg/L of Cd. To conceive a remediation scenario, we tried beforehand to understand the phenomena that govern the oxidation of the sulfides. For this purpose, water levels and water compositions have been surveyed every 2 months during 4 years, a geochemical simulation of the alteration/oxidation has been proposed and leaching tests have been performed. The survey of the water table level and periodical chemical analyses of the groundwater have shown that the slag alteration is reactivated when the water table drops until the sulfide-bearing ≪ fresh ≫ slags are unsaturated. The analysed waters always show an unbalanced negative ionic charge. Geochemical calculations allow to propose several equilibrium models of the waters and to conclude that the presence of thiosulfates (S2O23−) in the original waters most likely explains the observed ionic disequilibrium. The geochemical modelling of the slag alteration, first by percolation in unsaturated conditions (allowing O2 supply) and then under saturated conditions (without O2 renewal), reproduces satisfactorily the chemistry of sampled groundwaters. Leaching tests of the slags have been performed in the laboratory both by percolation (unsatured environment) and by cirulation (saturated and closed environment). These tests allowed to obtain alteration solutions comparable to the waters sampled on site, with progressive ≪ aging ≫ of the material, in agreement with the decrease of the dissolved metals observed on site during the 4-year survey. Moreover, the tests confirm the importance of the oxygen supply in the reactivation of the alteration. The evolution of the groundwater chemistry, the thermodynamic modelling, as well as the leaching experiments allow to determine with some details the alteration/oxidation mechanism and show that: (1) alteration is actived or reactived after a drop of the water table within the sulfide-bearing facies, (2) the oxygen supply by diffusion in the poral air is the driving force of slag oxidation, and (3) maintaining the backfills in saturated conditions practically stops alteration. The geochemical evolution of the site is directly related to its history, with successive re-profiling of the channels which have lead to a lowering of the water table of about 2 m. The remediation should be focused on in-situ processing (water treatment aimed to lower acidity, active barriers, …) rather than on ex-situ (excavation) solutions.
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Zhang, Qihui, Shengyu Zhang, Cong Lyu, Xuejiao Yang, Wei Liu, and Xiaosi Su. "A cost-effective catalytically adsorbent for in situ remediation of manganese contaminated groundwater." Water Supply 18, no. 2 (June 28, 2017): 504–14. http://dx.doi.org/10.2166/ws.2017.104.

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Abstract Manganese oxide coated scoria (MOCS) was prepared as a cost-effective catalytically adsorbent with high permeability to remediate manganese contaminated groundwater. Scanning electron microscope visual expressed that on the relatively smooth surface of raw scoria (RS) a large amount of micro pores and dense bulk-like structures after modification and filtration appeared. The data from Fourier transform infrared showed that the intrinsic scoria structure was unchanged during modification. The X-ray diffraction and X-ray photoelectron spectroscopy instrumental studies revealed that the newborn manganese oxide layer was a mixed-valence of manganese (Mn3+ and Mn4+) which could absorb the Mn2+ and catalytically facilitate oxidation with oxygen. Subsequently, the adsorption capacity of RS and MOCS was demonstrated in adsorption experiments. The kinetics of manganese adsorption by RS and MOCS followed pseudo-second-order with the correlation coefficients of 0.983 and 0.989, respectively. The experimental data were better fitted to Langmuir isotherm than Freundlich isotherm, indicating that the monolayer adsorption process for manganese was acting on the surface of RS and MOCS. The filtration experiment showed high Mn2+ removal efficiency by MOCS in a wide range of hydraulic retention time (15–40 min) in 40 days, which demonstrated that the MOCS is a good potential application prospect for manganese removal from groundwater.
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Liang, Chenju, and Cheng-Yu Chen. "Characterization of a Sodium Persulfate Sustained Release Rod for in Situ Chemical Oxidation Groundwater Remediation." Industrial & Engineering Chemistry Research 56, no. 18 (April 28, 2017): 5271–76. http://dx.doi.org/10.1021/acs.iecr.7b00082.

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Baciocchi, Renato, Laura D'Aprile, Ivan Innocenti, Felicia Massetti, and Iason Verginelli. "Development of technical guidelines for the application of in-situ chemical oxidation to groundwater remediation." Journal of Cleaner Production 77 (August 2014): 47–55. http://dx.doi.org/10.1016/j.jclepro.2013.12.016.

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Dissertations / Theses on the topic "Groundwater In situ remediation. Oxidation"

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Trnka, Jeremiah. "Treatability study for the in situ chemical oxidation treatment of groundwater." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Summer2009/j_trnka_071609.pdf.

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Thesis (M.S. in environmental engineering)--Washington State University, August 2009.
Title from PDF title page (viewed on Sept. 10, 2009). "Department of Civil and Environmental Engineering." Includes bibliographical references (p. 14-17).
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Sharma, Sachin. "Slurry test evaluation for in-situ remediation of TCE contaminated aquifer." Worcester, Mass. : Worcester Polytechnic Institute, 2006. http://www.wpi.edu/Pubs/ETD/Available/etd-082306-124940/.

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Ocampo, Ana Maria. "Persulfate activation by organic compounds." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Dissertations/Summer2009/A_Ocampo_083109.pdf.

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Thesis (Ph. D.)--Washington State University, August 2009.
Title from PDF title page (viewed on Sept. 9, 2009). "Department of Civil and Environmental Engineering." Includes bibliographical references.
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Gupta, Neha. "Development and Characterization of Controlled-Release Permanganate Gelfor Groundwater Remediation." Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1365775693.

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Li, Xuan. "In Situ Chemical Oxidation Schemes for the Remediation of Ground Water and Soils Contaminated by Chlorinated Solvents." Connect to this title online, 2002. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1023289254.

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Thesis (Ph. D.)--Ohio State University, 2002.
Title from first page of PDF file. Document formatted into pages; contains xv, 179 p.; also contains graphics (some col.). Includes abstract and vita. Advisor: Franklin W. Schwartz, Dept. of Geosciences. Includes bibliographical references (p. 172-179).
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Andrade, Juliano de Almeida. "Otimização da reação de fenton visando aplicações na remediação in-situ e ex-situ de aguas subterraneas." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249632.

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Orientador: Wilson de Figueiredo Jardim
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Quimica
Made available in DSpace on 2018-08-05T10:39:52Z (GMT). No. of bitstreams: 1 Andrade_JulianodeAlmeida_M.pdf: 3254677 bytes, checksum: 72d1e108844df115bda11c77f7fd1337 (MD5) Previous issue date: 2005
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Quimica Analitica
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Hastings, Jesse L. "Optimization and Analysis of a Slow-Release Permanganate Gel for Groundwater Remediation in Porous and Low-Permeability Media." Ohio University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1430842349.

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Xu, Xiuyuan. "Interaction of Chemical Oxidants with Aquifer Materials." Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2891.

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In situ chemical oxidation (ISCO) is a leading-edge technology for soil and groundwater remediation, and involves injecting a chemical oxidant (e. g. , permanganate, hydrogen peroxide, or persulfate) into the subsurface to deplete contaminant mass through oxidation. Since the delivery of the chosen oxidant to the target treatment zone must occur in situ, the interaction between the injected oxidant and the aquifer material is a key controlling factor for a successful ISCO application. While many published ISCO studies have focused on the interaction between an oxidant and target contaminants, many questions still remain on the interaction between a potential oxidant and the aquifer material. Through a series of bench-scale experiments with aquifer materials collected from 10 sites throughout North America, the research presented in this thesis provides insight into the interaction between these aquifer materials and two widely used ISCO oxidants; permanganate and hydrogen peroxide.

The investigation into the interaction between aquifer materials and permanganate consisted of three series of bench-scale experiments: (1) long-term batch experiments which were used to investigate permanganate consumption in response to fundamental geochemical properties of the aquifer materials, (2) short-term batch experiments which were designed to yield kinetic data that describe the behavior of permanganate in the presence of various aquifer materials, and (3) column experiments which were used to investigate permanganate transport in a system that mimics the subsurface environment. The long-term experiments which involved more than 180 batch reactors monitored for ~300 days showed that the unproductive permanganate consumption by aquifer materials or natural oxidant demand (NOD) is strongly affected by the initial permanganate concentration, permanganate to solid mass ratio, and the reductive components associated with each aquifer material. This consumption cannot be represented by an instantaneous reaction process but is kinetically controlled by at least a fast and slow reactive component. Accordingly, an empirical expression for permanganate NOD in terms of aquifer material properties, and a hypothetical kinetic model consisting of two reaction components were developed. In addition, a fast and economical permanganate NOD estimation procedure based on a permanganate COD test was developed and tested. The investigation into short-term permanganate consumption (time scale of hours) was based on the theoretical derivation of the stoichiometric reaction of permanganate with bulk aquifer material reductive components, and consisted of excess permanganate mass experiments and excess aquifer material mass experiments. The results demonstrated that permanganate consumption by aquifer materials can be characterized by a very fast reaction on the order of minutes to hours, confirming the existence of the fast reaction component of the hypothetical kinetic model used to describe the long-term permanganate NOD observations. A typical experimental column trial consisted of flushing an aquifer-material packed column with the permanganate source solution until sufficient permanganate breakthrough was observed. The permanganate column results indicated the presence of a fast and slow consumption rate consistent with the long-term batch test data, and an intermediate consumption rate affecting the shape of the rising limb of the breakthrough curve. Finally, a comparison of the experimental results between batch and column systems indicated that permanganate NOD was significantly overestimated by the batch experiments; however, permanganate consumption displayed some similarity between the batch and column systems and hence an empirical expression was developed to predict permanganate consumption in physically representative column systems from batch reactor data.

The interaction between hydrogen peroxide and aquifer materials was also investigated with both batch and column experiments. A series of batch experiments consisting of a mixture of 2% hydrogen peroxide and 15 g of aquifer materials was used to capture the overall hydrogen peroxide behavior in the presence of various aquifer materials. The results indicated that the decomposition of hydrogen peroxide in the presence of various aquifer materials followed a first-order rate law, and was strongly affected by the content of amorphous transition metals (i. e. , Fe and Mn). Although hydrogen peroxide decomposition is related to the total organic carbon (TOC) content of natural aquifer materials, the results from a two-week long exposure to hydrogen peroxide suggests that not all forms of natural organic matter contributed to this decomposition. A multiple linear regression analysis was used to generate predictive relationships to estimate hydrogen peroxide decomposition rate coefficients based on various aquifer material properties. The enhanced stability of hydrogen peroxide was investigated under six scenarios with the addition of chelating reagents. The impact of a new green chelating reagent, S,S'-ethylenediaminedisuccinate (EDDS), on the stability of hydrogen peroxide in the presence of aquifer materials was experimentally examined and compared to that of the traditional and widely used chelating reagent, Ethylenediaminetetraacetic (EDTA). The results demonstrated that EDDS was able to significantly increase the stability of hydrogen peroxide, especially for aquifer materials with low TOC contents and/or high dissolvable Fe and Mn contents. Finally, to complement and expand the findings from the batch experiments, column experiments were conducted with aquifer materials from five representative sites. Each column was flushed with two types of source solutions (with or without EDDS addition) at two flow rates. The column experiments showed that the use of EDDS resulted in an earlier breakthrough and a higher stable concentration of hydrogen peroxide relative to the case without the addition of EDDS. The hydrogen peroxide decomposition rate coefficients generated from the column data were significantly higher than those generated from the batch test data and no correlation between hydrogen peroxide decomposition coefficients obtained from column and batch experiments was observed. Based on the column experimental results, a one-dimensional transport model was also calibrated to capture the hydrogen peroxide breakthrough process.

Data from bench-scale tests are routinely used to support both ISCO design and site screening, and therefore the findings from this study can be used as guidance on the utility of these tests to generate reliable and useful information. In general, the behavior of both permanganate and hydrogen peroxide in the presence of aquifer materials in batch and the column systems clearly indicates that the use of batch test data for ISCO system design is questionable since column experiments are believed to mimic in situ conditions better since column systems provide more realistic aquifer material contact. Thus the scaling relationships developed in this study provide meaningful tools to transfer information obtained from batch systems, which are widely employed in most bench-scale studies, to column systems.
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Eggers, Jutta. "Remediation of groundwater from a former gas works site : treatment of a polynuclear aromatic hydrocarbon and vinyl chloride contamination by ultraviolet light, ozone and advanced oxidation processes." Thesis, University of Surrey, 2007. http://epubs.surrey.ac.uk/843060/.

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The public water supply in Germany is mainly based on groundwater, and great care is taken to protect these water resources. A major challenge is, however, the remediation of polluted aquifers. Such is the case at a former gas works site in Karlsruhe, Germany. The "Gaswerk Ost" of the local gas and water supply company, the Stadtwerke Karlsruhe, was in operation for nearly 80 years until it was closed down in 1965. Unwanted by-products from the gas production still contaminate the soil and groundwater of this site. The main contaminants are benzene and polynuclear aromatic hydrocarbons (PAH) such as acenaph-thene, acenaphthylene, fluorene and fluoranthene. For remediation a novel passive methodology was planned. It was decided to install a funnel and gate system to purify the contaminated groundwater in situ by letting it pass through subterranean activated carbon reactors located downstream of the polluted site. During the construction of the remediation system a further pollutant, vinyl chloride (VC), was detected in the groundwater, a substance which could not be removed adequately by the technology employed. The objective of this research project was to find out whether the PAH and vinyl chloride could be removed from the groundwater by UV irradiation prior to the activated carbon filtration. Investigations consisted of two parts: laboratory experiments were conducted to prove the general degradability of the pollutants and field experiments were earned out to confirm these results on a pilot scale. In addition to sole UV irradiation, ozonation and advanced oxidation processes (AOPs) such as UV/aeration, UV/hydrogen peroxide and UV/ozone were performed in the laboratory to generate highly reactive hydroxyl radicals. For the contaminants present at the gas works site, the individual molar absorption coefficients were determined at 254 nm to estimate the degradation performance by direct photolysis at the main emission line of the UV lamps used for the irradiation experiments. It could be shown that all investigated substances were degradable in model test solutions prepared with reverse osmosis water, the degradation of PAH being significantly better than that of benzene and VC depending on the absorption of UV light of the individual substances. During the irradiation of acenaphthene the detection of by-products with an aromatic character showed that no complete mineralisation could, however, be achieved in an acceptable period of time. Degradation experiments performed in tap water as well as in groundwater showed slower degradation behaviour due to the high carbonate and bicarbonate concentrations and a high organic carbon content, mainly resulting from humic substances in the case of groundwater. The high iron concentration of the reduced groundwater led to an increase in turbidity during irradiation, since iron II was oxidised to iron III. In contrast to UV irradiation only, better results were achieved with combined treatment methods and with ozonation. For all methods tested in the laboratory the "Electrical Energy per Order of Magnitude" (EEO) was calculated from the degradation data, ozonation being most efficient for all investigated substances with regard to the energy consumption. On the basis of the laboratory findings it was decided to perform not only UV experiments at the gas works site but to extend the in-situ investigation programme by including ozonation. With UV irradiation the concentrations of the PAH acenaphthylene, fluorene, fluoranthene and pyrene could be reduced by nearly 90%. The total efficiency of UV irradiation in this specific groundwater was, however, unsatisfactory because the main contaminant acenaph-thene was removed by only 50% to a concentration of approximately 35 g/l (remediation target value = 0.2 g/l) although 1.33 kWh per m3 were applied with four lamp modules, each containing six lamps. In contrast to this, ozonation resulted in a complete elimination of VC and PAH as well as nearly 90% removal of benzene, thus confirming the laboratory findings. As almost all contaminants could be removed by ozonation only, combined UV/ozone treatment was not applied in situ. Ozonation technology was found to be the most favourable method for the removal of contaminants present at the former gas works site in Karlsrahe based on its practicability, economic advantages and high efficiency.
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Pearson, Robert. "In situ remediation of atrazine contaminated groundwater." Thesis, Cranfield University, 2006. http://dspace.lib.cranfield.ac.uk/handle/1826/1430.

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The natural attenuation of groundwater pesticides by biological degradation, is widely accepted to occur at concentrations > 1 mg 1-1. However from observations of groundwater monitoring data it can be indicated that the occurrence of pesticides in groundwater is primarily at trace μg 1-1 concentrations, with 45 % of UK groundwater samples that failed the EC Drinking Water Directives PV of 0.1 μg 1-1 between 1995 – 2000, accounting for an average concentration of 64 μg 1-1. However, there are limited directed studies of in situ biological degradation of pesticides at μg concentrations. Therefore, this work was designed provided an insight as to whether any prevalent microbial adaptation can occur to degrade atrazine at μg 1-1 concentrations in groundwater. Laboratory batch studies were performed using a groundwater exposed to 0.2 μg 1-1 of the herbicide atrazine, for an excess of 10 years. Bacterial enrichment using a glucose minimal salts medium resulted in no biological degradation of atrazine, when amended at concentrations between 10 μg to 50 mg 1-1. Batch studies using the atrazine degrader Pseudomonas sp. Strain ADP as a positive control, indicated a capability to degrade atrazine within sterilised groundwater, at 50 mg 1-1 (0.92 mg 1-1 day-1) and 1 mg 1-1 (0.14 mg 1-1 day-1), but no degradation of atrazine at 100 or 10 μg 1-1. Therefore, biological degradation of trace μg 1-1 concentrations of atrazine by groundwater in situ bacteria does not readily occur. It is expected that changes in atrazine groundwater concentrations, are resulting purely from dilution, sorption or chemical degradation. Consequently, it cannot be assumed that microbial adaptation can occur to degrade atrazine at μg 1-1 concentrations in groundwaters even if in situ bioaugmentation methods are applied.
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Books on the topic "Groundwater In situ remediation. Oxidation"

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Siegrist, Robert L., Michelle Crimi, and Thomas J. Simpkin, eds. In Situ Chemical Oxidation for Groundwater Remediation. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-7826-4.

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Interstate Technology and Regulatory Cooperation Work Group. In Situ Chemical Oxidation Work Team. Technical and regulatory guidance for in situ chemical oxidation of contaminated soil and groundwater. United States]: ITRC, 2001.

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Payne, Fred C., Ph.D., ed. In situ remediation engineering. Boca Raton, Fla: CRC Press, 2005.

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Abiotic In Situ Technologies for Groundwater Remediation Conference (1999 Dallas, Tex.). Abiotic in Situ Technologies for Groundwater Remediation Conference: Proceedings : Dallas, Texas, August 31-September 2, 1999. Cincinnati, Ohio: Technology Transfer and Support Div., National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 2000.

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Staps, J. J. International evaluation of in-situ biorestoration of contaminated soil and groundwater. Bilthoven, The Netherlands: National Institute of Public Health and Environmental Protection, 1990.

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Barker, J. F. Petroleum hydrocarbon contamination of groundwater: Natural fate and in situ remediation : a summary report. Ottawa, Ont: Petroleum Association for Conservation of the Canadian Environment, 1989.

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Liu, Fei, Guoxin Huang, Howard Fallowfield, Huade Guan, Lingling Zhu, and Hongyan Hu. Study on Heterotrophic-Autotrophic Denitrification Permeable Reactive Barriers (HAD PRBs) for In Situ Groundwater Remediation. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-38154-6.

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Team, Interstate Technology and Regulatory Cooperation Work Group Enhanced In Situ Biodenitrification Work. Emerging technologies for enhanced in situ biodenitrification (EISBD) of nitrate-contaminated ground water. United States]: ITRC, 2000.

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Microbial bioremediation of non-metals: Current research. Norfolk: Caister Academic Press, 2011.

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International Conference on Remediation of Chlorinated and Recalcitrant Compounds (2nd 2000 Monterey, Calif.). Chemical oxidation and reactive barriers (C2-6): Remediation of chlorinated and recalcitrant compounds. Columbus, OH: Battelle Press, 2000.

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Book chapters on the topic "Groundwater In situ remediation. Oxidation"

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Siegrist, Robert L., Michelle Crimi, Neil R. Thomson, Wilson S. Clayton, and Michael C. Marley. "IN SITU Chemical Oxidation." In Chlorinated Solvent Source Zone Remediation, 253–305. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-6922-3_9.

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Alphenaar, Arne, John Vijgen, Jan Gerritse, Frank Spuij, and Jan Gottschal. "In Situ Bioremediation of Chloroethene Contaminated Soil." In Groundwater and Subsurface Remediation, 311–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-45750-0_21.

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Semprini, Lewis. "Bioaugmentation for the In situ Aerobic Cometabolism of Chlorinated Solvents." In Bioaugmentation for Groundwater Remediation, 219–55. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4115-1_8.

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Kurzydlo, Arthur S. "Experience With in Situ Treatment Systems: An Overview." In Remediation of Soil and Groundwater, 251–70. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0319-7_18.

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Pruess, Karsten. "Effective Parameters, Effective Processes: From Porous Flow Physics to In Situ Remediation Technology." In Groundwater and Subsurface Remediation, 183–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-45750-0_11.

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Clegg, Bruce C. "In-Situ and Ex-Situ Remediation of Chlorinated Solvent Species at an Active Heavy Manufacturing Facility Located in the Midwestern United States:A Case Study." In Remediation of Soil and Groundwater, 379–93. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0319-7_25.

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Siegrist, Robert L., Michelle Crimi, and Richard A. Brown. "In Situ Chemical Oxidation: Technology Description and Status." In SERDP/ESTCP Environmental Remediation Technology, 1–32. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-7826-4_1.

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Stroo, Hans F., Raymond C. Loehr, and C. Herb Ward. "In Situ Bioremediation Of Perchlorate In Groundwater: An Overview." In SERDP/ESTCP Environmental Remediation Technology, 1–13. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-84921-8_1.

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Shiba, S., Y. Hirata, and T. Seno. "In-situ Electrokinetic Remediation of Soil and Water in Aquifer Contaminated by Heavy Metal." In Groundwater Updates, 135–40. Tokyo: Springer Japan, 2000. http://dx.doi.org/10.1007/978-4-431-68442-8_23.

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Jang, Wonyong, and Mustafa M. Aral. "In Situ Air Sparging and Thermally-Enhanced Venting in Groundwater Remediation." In Groundwater Quantity and Quality Management, 430–74. Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/9780784411766.ch11.

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Conference papers on the topic "Groundwater In situ remediation. Oxidation"

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Veronda, Brenda, and Matthew Dingens. "The State of Permanganate With Relation to In Situ Chemical Oxidation." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7002.

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In Situ Chemical Oxidation (ISCO) with permanganate had its beginnings over 10 years ago. Since that time, many sites have been successfully treated for organic compounds including chlorinated ethenes (perchloroethylene, trichloroethylene, etc.) phenols, explosives such as RDX, and many other organics. The successful application of ISCO with permanganate requires the integration of many site-specific factors into the remedial design. ISCO with permanganate is an effective technology, not only for its oxidative properties and persistence, but also for its application flexibility to remediate soil and groundwater. The merits of any type of treatment technology can be assessed in terms of effectiveness, ease of use, reaction rate, and cost. The use of permanganate for in-situ chemical oxidation results in the complete mineralization of TCE and PCE and can result in treatment levels below detection limits. Permanganate is a single component oxidizer, which is easily handled, mixed and distributed to the subsurface. Permanganate is also inexpensive to design and implement as compared to other technologies. This presentation will provide a general overview of the application and safety aspects of ISCO with permanganate. This paper will discuss the advantages and limitations of this technology, typical cost ranges, site evaluation and application technologies.
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Aosai, Daisuke, Yuhei Yamamoto, and Takashi Mizuno. "Development of New Ultrafiltration Techniques Maintaining In-Situ Hydrochemical Conditions for Colloidal Study." In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40074.

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Chemical state of elements in groundwater is one of the most important information for understanding behavior of elements in underground environment. Chemical state of elements controlled mainly by groundwater physico-chemical parameters. Because the change of physico-chemical parameters of groundwater, due to pressure release and oxidation during sampling, causes changes in chemical state of elements, systematic methodologies for understanding in situ chemical state is required. In this study, in order to understand chemical state of elements in groundwater, an ultrafiltration instrument for maintaining in-situ pressure and anaerobic conditions was developed. The instrument developed in this study for ultrafiltration made of passivated Stainless Used Steel (SUS) materials, was designed to keep groundwater samples maintaining in-situ pressure/anaerobic conditions. Ultrafiltration of groundwater was conducted at a borehole drilled from the 200 mbGL (meters below ground level) Sub-stage at a depth of 200 m at the Mizunami Underground Research Laboratory. Chemical analyses of groundwater were also conducted using samples filtered under both pressurized/anaerobic and atmospheric conditions and passivated SUS materials with different elapsed times after passivation. The results indicate that our ultrafiltration method is suitable for collection of filtered groundwater and passivation is an essential treatment before ultrafiltration.
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Cross, Paul E., and Del Baird. "Phased Implementation of In Situ Chemical Oxidation for a Large TCE DNAPL Source Area at the Portsmouth Gaseous Diffusion Plant, USA." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7200.

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This paper describes the In Situ Chemical Oxidation (ISCO) remediation being implemented for the X-701B groundwater plume at the Department of Energy (DOE) Portsmouth Gaseous Diffusion Plant (PORTS). Modified Fenton’s reagent is the principal oxidant for the remedy, and Direct Push Technology (DPT) is being used for delivery of the oxidant. Trichloroethene (TCE) is the primary contaminant of concern and is present within the unit as a dense non-aqueous phase liquid (DNAPL). A phased approach is being implemented to optimize the type, location, and mass of the oxidant injections. During Phase I, a unique near-real time monitoring approach was utilized to observe the transient effects of the oxidant injections on the formation. As a result of the positive results from Phase I, Ohio EPA has approved the final work plan for the remedy, and the approach is now being applied to the source area of the plume. The results from Phase I and the layout for the first series of Phase II injections are presented in this paper. Previous testing at the site has shown that the shallow, water-bearing formation is primarily composed of silty gravel and clay, and is both heterogeneous and anisotropic. These factors have significantly compromised earlier attempts to remediate the unit. A patented ISCO process from In-Situ Oxidative Technologies, Inc. (ISOTEC) was selected for the remediation of the plume. Phase I results indicate that oxidant delivery via DPT is feasible for the unit. Contaminant reduction to date has been minimal due to the small quantity of oxidant injected during Phase I. Contaminant rebound in the aqueous phase remains a concern and will be monitored closely during the remedy.
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Kim, Juyoul, Sukhoon Kim, Jin Beak Park, and Sunjoung Lee. "Planning of Large-Scale In-Situ Gas Generation Experiment in Korean Radioactive Waste Repository." In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40020.

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In the Korean LILW (Low- and Intermediate-Level radioactive Waste) repository at Gyeongju city, the degradation of organic wastes and the corrosion of metallic wastes and steel containers would be important processes that affect repository geochemistry, speciation and transport of radionuclides during the lifetime of a radioactive waste disposal facility. Gas is generated in association with these processes and has the potential threat to pressurize the repository, which can promote the transport of groundwater and gas, and consequently radionuclide transport. Microbial activity plays an important role in organic degradation, corrosion and gas generation through the mediation of reduction-oxidation reactions. The Korean research project on gas generation is being performed by Korea Radioactive Waste Management Corporation (hereafter referred to as “KRMC”). A full-scale in-situ experiment will form a central part of the project, where gas generation in real radioactive low-level maintenance waste from nuclear power plants will be done as an in-depth study during ten years at least. In order to examine gas generation issues from an LILW repository which is being constructed and will be completed by the end of December, 2012, two large-scale facilities for the gas generation experiment will be established, each equipped with a concrete container carrying on 16 drums of 200 L and 9 drums of 320 L of LILW from Korean nuclear power plants. Each container will be enclosed within a gas-tight and acid-proof steel tank. The experiment facility will be fully filled with ground water that provides representative geochemical conditions and microbial inoculation in the near field of repository. In the experiment, the design includes long-term monitoring and analyses for the rate and composition of gas generated, and aqueous geochemistry and microbe populations present at various locations through on-line analyzers and manual periodical sampling. A main schedule for establishing the experiment facility is as follows: Completion of the detailed design until the second quarter of the year 2010; Completion of the manufacture and on-site installation until the second quarter of the year 2011; Start of the operation and monitoring from the third quarter of the year 2011.
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Palattao, Maria Visitacion, Edmundo Vargas, Rolando Reyes, Carl Nohay, Alfonso Singayan, Mario Aurelio, Matej Gedeon, Roy Anthony C. Luna, and Dirk Mallants. "Performance and Safety Assessment of the Co-Location of the Near Surface Radioactive Waste Disposal Facilities and Borehole Disposal Concept in the Philippines." In ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icem2013-96148.

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The Philippine Nuclear Research Institute (PNRI) in collaboration with the interagency technical committee on radioactive waste has been undertaking a national project to find a final solution to the country’s low to intermediate level radioactive waste. The strategy adopted was to co-locate 2 disposal concepts that will address the types of radioactive waste generated from the use of radioactive materials. This strategy is expected to compensate for the small volumes of waste generated in the Philippines as compared to countries with big nuclear energy programs. It will also take advantage of the benefits of a shared infrastructure and R&D work that accompany such project. The preferred site selected from previous site selection and investigations is underlain by highly fractured “andesitic volcaniclastics” mantled by residual clayey soil which act as the aquifer or water bearing layer. Results of investigation show that the groundwater in the area is relatively dilute and acidic. Springs at the lower elevations of the footprint also indicate acidic waters. The relatively acidic water is attributed to the formation of sulfuric acid by the oxidation of the pyrite in the andesite. A preliminary post closure safety assessment was carried out using the GMS MODFLOW and HYDRUS softwares purchased through the International Atomic Energy Agency (IAEA) technical assistance. Results from MODFLOW modeling show that the radionuclide transport follows the natural gradient from the top of the hill down to the natural discharge zones. The vault dispersion model shows a circular direction from the vaults towards the faults and eventually to the creeks. The contaminant transport from borehole shows at least one confined plume from the borehole towards the creek designated as Repo1 and eventually follows downstream. The influx of surface water and rainfall to the disposal vault was modeled using the HYDRUS software. The pressure head and water content at the base of the foundation layer and the bottom of the concrete is where a significant reduction in water content can be observed. It is also noted that water content and pressure remain constant after one year.
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Kurakalva, Rama Mohan. "In Situ Remediation of Aldrin via Activated Persulfate Oxidation." In Geo-Chicago 2016. Reston, VA: American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784480168.031.

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Ratliff, M. D. "Biological Soil Treatment and In-Situ Groundwater Remediation for Hydrocarbon Contaminants." In SPE Health, Safety and Environment in Oil and Gas Exploration and Production Conference. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/27170-ms.

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Neupauer, R. M., B. Webber, A. N. Piscopo, and D. C. Mays. "Enhanced In-Situ Remediation of Sorbing Groundwater Contaminants using Engineered Injection and Extraction." In World Environmental and Water Resources Congress 2013. Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784412947.042.

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Beyke, Gregory, and Gregory J. Smith. "Advances in the Application of In Situ Electrical Resistance Heating." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7136.

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Electrical Resistance Heating (ERH) is an aggressive in situ thermal remediation technology that was developed by the U.S. Department of Energy from the original oil production technology to enhance vapor extraction remediation technologies in low permeability soils. Soil and groundwater are heated by the passage of electrical current through saturated and unsaturated soil between electrodes, not by the electrodes themselves. It is the resistance to the flow of electrical current that results in increased subsurface temperatures, and this is typically applied to the boiling point of water. It is estimated that more than 75 ERH applications have been performed. Capacity to perform these projects has increased over the years, and as many as 15 to 20 of these applications now being performed at any given time, mainly in North America, with some European applications. While the main focus has been to vaporize volatile organic compounds, as one would expect other semi-volatile and non-volatile organic compounds have also been encountered, resulting in observations of chemical and physical reactions that have not been normally incorporated into environmental restoration projects. One such reaction is hydrolysis, which is slow under normal groundwater temperatures, becomes very rapid under temperatures that can easily be achieved using ERH. As a result, these chemical and physical reactions are increasing the applicability of ERH in environmental restoration projects, treating a wider variety of compounds and utilizing biotic and abiotic mechanisms to reduce energy costs. For the treatment of oil and coal tar residues from manufactured gas plants, a process TRS has called steam bubble floatation is used to physically remove the coal and oil tar from the soils for collection using conventional multi-phase collection methods. Heat-enhanced hydrolysis has been used to remediate dichloromethane from soils and groundwater at a site in Illinois, while heat-enhanced biotic and abiotic dehalogenation has been observed at the vast majority of the sites where ERH has been applied. With disposal options becoming more limited around the world, alternate in situ treatment methods for soil and groundwater restoration are becoming more important. Over the 10 years of commercialization of the ERH technology, soil and groundwater remediation mechanisms and processes that were not envisioned by the technology’s developers expand the range of chemicals that have successfully been treated. This paper will discuss these processes and how these processes have been used to effect remediation of soil and groundwater where ERH has been employed.
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Ying, Zhang, and Zhang Chao-yu. "In-situ remediation of petroleum contaminated groundwater: Application and prospect of permeable reactive barrier." In 2011 International Conference on Consumer Electronics, Communications and Networks (CECNet). IEEE, 2011. http://dx.doi.org/10.1109/cecnet.2011.5769387.

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Reports on the topic "Groundwater In situ remediation. Oxidation"

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COLORADO SCHOOL OF MINES GOLDEN. In Situ Chemical Oxidation for Groundwater Remediation: Site-Specific Engineering & Technology Application. Fort Belvoir, VA: Defense Technical Information Center, October 2010. http://dx.doi.org/10.21236/ada571919.

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Cline, S. R., D. L. Denton, J. M. Giaquinto, M. K. McCracken, and R. C. Starr. Laboratory Evaluation of In Situ Chemical Oxidation for Groundwater Remediation, Test Area North, Operable Unit 1-07B, Idaho National Engineering and Environmental Laboratory, Volume Three - Appendix F. Office of Scientific and Technical Information (OSTI), April 1999. http://dx.doi.org/10.2172/8179.

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Cline, S. R., D. L. Denton, J. M. Giaquinto, M. K. McCracken, and R. C. Starr. Laboratory Evaluation of In Situ Chemical Oxidation for Groundwater Remediation, Test Area North, Operable Unit 1-07B, Idaho National Engineering and Environmental Laboratory, Volume Four - Appendix G. Office of Scientific and Technical Information (OSTI), April 1999. http://dx.doi.org/10.2172/8180.

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Cline, S. R., D. L. Denton, J. M. Giaquinto, M. K. McCracken, and R. C. Starr. Laboratory Evaluation of In Situ Chemical Oxidation for Groundwater Remediation, Test Area North, Operable Unit 1-07B, Idaho National Engineering and Environmental Laboratory, Volume Two, Appendices C, D, and E. Office of Scientific and Technical Information (OSTI), April 1999. http://dx.doi.org/10.2172/8071.

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Cline, S. R., D. L. Denton, J. M. Giaquinto, M. K. McCracken, and R. C. Starr. Laboratory Evaluation of In Situ Chemical Oxidation for Groundwater Remediation, Test Area North, Operable Unit 1-07B, Idaho National Engineering and Environmental Laboratory, Volume One - Main Text and Appendices A and B. Office of Scientific and Technical Information (OSTI), April 1999. http://dx.doi.org/10.2172/8068.

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Johnson, Rick, and Paul Tratnyek. Remediation of Explosives in Groundwater Using Zero-Valent Iron In Situ Treatment Wells. Fort Belvoir, VA: Defense Technical Information Center, March 2008. http://dx.doi.org/10.21236/ada495539.

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Harvey, Gregory. In Situ Remediation of a TCE-Contaminated Aquifer Using a Short Rotation Woody Crop Groundwater Treatment System. Fort Belvoir, VA: Defense Technical Information Center, May 2006. http://dx.doi.org/10.21236/ada607334.

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Denham, M. Potential In Situ Remediation of 129-I and 99-Tc in Groundwater Associated with the F-Area Seepage Basins. Office of Scientific and Technical Information (OSTI), February 2003. http://dx.doi.org/10.2172/807920.

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Vermeul, Vince R., Jim E. Szecsody, Michael J. Truex, Carolyn A. Burns, Donald C. Girvin, Jerry L. Phillips, Brooks J. Devary, Ashley E. Fischer, and Shu-Mei W. Li. Treatability Study of In Situ Technologies for Remediation of Hexavalent Chromium in Groundwater at the Puchack Well Field Superfund Site, New Jersey. Office of Scientific and Technical Information (OSTI), November 2006. http://dx.doi.org/10.2172/896362.

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Demonstration test and evaluation of ultraviolet/ultraviolet catalyzed peroxide oxidation for groundwater remediation at Oak Ridge K-25 Site. Office of Scientific and Technical Information (OSTI), December 1994. http://dx.doi.org/10.2172/102277.

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