Relevant bibliographies by topics / Soil absorption and adsorption. Soils

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Academic literature on the topic 'Soil absorption and adsorption. Soils'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "Soil absorption and adsorption. Soils"

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Kim, Hyesu, Jaehyung Yu, Lei Wang, Yongsik Jeong, and Jieun Kim. "Variations in Spectral Signals of Heavy Metal Contamination in Mine Soils Controlled by Mineral Assemblages." Remote Sensing 12, no. 20 (October 9, 2020): 3273. http://dx.doi.org/10.3390/rs12203273.

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This paper illustrates a spectroscopic analysis of heavy metal concentration in mine soils with the consideration of mineral assemblages originated by weathering and mineralization processes. The mine soils were classified into two groups based on the mineral composition: silicate clay mineral group (Group A) and silicate–carbonate–skarn–clay mineral group (Group B). Both soil groups are contaminated with Cu, Zn, As, and Pb, while the contamination level was higher for Group A. The two groups exhibit different geochemical behaviors with different heavy metal contamination. The spectral variation associated with heavy metal was highly correlated with absorption features of clay and iron oxide minerals for Group A, and the absorption features of skarn minerals, iron oxides, and clay minerals for Group B. It indicates that the geochemical adsorption of heavy metal elements mainly occurs with clay minerals and iron oxides from weathering, and of skarn minerals, iron oxides, and clay minerals from mineralization. Therefore, soils from different secondary mineral production processes should be analyzed with different spectral models. We constructed spectral models for predicting Cu, Zn, As, and Pb in soil group A and Zn and Pb in soil group B using corresponding absorptions. Both models were statistically significant with sufficient accuracy.
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Chandler, Neil, John Palson, and Todd Burns. "Capillary rise experiment to assess effectiveness of an enzyme soil stabilizer." Canadian Geotechnical Journal 54, no. 10 (October 2017): 1509–17. http://dx.doi.org/10.1139/cgj-2016-0511.

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An experimental program to assess of the attributes of an enzyme soil stabilizer is described. The focus of the program was two 1 year capillary rise experiments designed to test the influence of the soil additive on the soil’s adsorption of water. The enzyme additive is typically applied to marginal clay-based soils to improve the performance of road subgrades. The study investigated the potential increase in shear strength and the reduction in swelling. The two long-term soil column tests were conducted to measure water absorption due to capillary rise for soil specimens with, and without, enzyme treatment. The test results demonstrated that the addition of the enzyme soil additive had the effect of reducing water retained in the pore spaces of a partially saturated soil. The soil treated with the enzyme additive absorbed a lower quantity of water in the capillary rise test, and at a slower rate of absorption. The results from a concurrent suite of tests suggested that partially saturated clay having lower moisture content was linked to an increase in shear strength.
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Mahdy, Ahmed M., Elsayed Elkhatib, Tiequan Zhang, Nieven O. Fathi, and Zhi-Qing Lin. "Nano-Scale Drinking Water Treatment Residuals Affect Arsenic Fractionation and Speciation in Biosolids-Amended Agricultural Soil." Applied Sciences 10, no. 16 (August 14, 2020): 5633. http://dx.doi.org/10.3390/app10165633.

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An incubation experiment was conducted to determine the effects of nanoscale drinking water treatment residuals (nWTRs) on arsenic (As) fractionation and speciation in agricultural soil amended with biosolids. The soils were treated with biosolids of 3% (w/w), along with nWTR application rates of 0, 0.25, 0.50, or 1.00% (w/w). The results revealed that the As adsorption rate increased with increasing the As treatment level from 50 to 800 mg/L. The maximum efficiency of As adsorption was 95%–98% in the soil treated with nWTRs of 1%, while the least As adsorption was 53%–91% in the soil treated with nWTRs of 0.25%. The overall As bioavailability in the biosolids-amended soil followed a descending order of nWTRs treatment: (0%) > 0.25% nWTRs, >0.50% nWTRs, and >1% nWTRs. The addition of nWTRs significantly changed As speciation in biosolids-amended soil. The X-ray absorption near-edge structure spectroscopy (XANES) and MINEQL+4.6 analyses showed that most of As was in a oxidized form of As5+ that likely incorporated in As pentoxide, and thus, with low mobility, bioavailability, and toxicity. This study demonstrated that nWTRs were effective in adsorbing and immobilizing As in biosolids-amended agricultural soils by forming stable As-nWTR surface complexes.
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Sun, Lei, Han Qiao Liu, Guo Xia Wei, Zhen Hua Wu, and Wei Yang. "Removal of Heavy Metals from Contaminated Soils by Washing with Citric Acid and Subsequent Treatment of Soil-Washing Solutions." Advanced Materials Research 937 (May 2014): 646–51. http://dx.doi.org/10.4028/www.scientific.net/amr.937.646.

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Soil washing experiments were carried out with citric acid as washing reagent for the remediation of soils highly contaminated with heavy metals, then activated carbon was used in absorption processing for leaching solution. In this study, the effects of the main operating variables for removal of metals from soils were first discussed. The results showed that 36.% Pb, 47.74% Cu and 61.88% Cd were removed from the contaminated soils by optimizing the washing parameters at citric acid concentration 0.2 mol/l, mixing time 2 h, liquid-soil ratio 20 and solution pH=4, respectively. In the adsorption experiments of leachates, the optimum conditions were found as follows: solution pH=7, mixing time of 2 h, standing time of 60 min and activated carbon dosage of 1g/100ml.
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Prilutskaya, Natal'ya S., Tat'yana A. Korel'skaya, and Lyudmila F. Popova. "STUDY OF STRUCTURAL AND FUNCTIONAL COMPOSITION OF SOIL HUMUS ACIDS OF EURO-ARCTIC REGION BY MOLECULAR ABSORPTION SPECTROSCOPY (UV / VISIBLE)." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 61, no. 2 (January 29, 2018): 97. http://dx.doi.org/10.6060/tcct.20186102.5610.

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Results of the structural and functional composition of soil humus acids in the Euro-Arctic Region are presented. The molecular absorption spectroscopy (UV / visible) was used to evaluate eco-protective role of soils in relation to heavy metals, which is especially important for the sensitive soils of the Arctic, formed under the influence of cryogenic processes. Different types of soils of the Euro-Arctic region: gleyish easy loamy pelosi on loamy moraine (Kanin Peninsula, Cape Kanin Nos); humus peat oligotrophic soil (Kolguev Island, Bugrino village); typical non-calcic loamy gley soil (Vaigach Island); gray humous iron sandy lithozem (Archipelago Franz Josef Land, Heys Island) were analyzed. An alkaline solution of sodium pyrophosphate was used to extract humus acids for investigate of the structural and functional composition. Humic, fulvic and gimatomelanic acids were extracted from a humus by conforming solvents with additional fulvic acids extraction by adsorption chromatography using activated carbon as a sorbent. UV mini-1240 spectrophotometer (Shimadzu) was used to record the UV / visible spectra using 0.005% alkaline solutions (0.1 N NaOH) of humus acids. It was demonstrated that humic and gimatomelanoic acids of humus peat oligotrophic soil have more developed peripheral aliphatic component. These acids have more ability to bind heavy metals and show their eco-protective role. The humus acids of other types of soils region have a more developed aromatic component in the Euro-Arctic. Such parameters as: calculated by the Pieravuori formula aromaticity, extinction coefficient Е0.005%1cm,465, adsorption ratio D400 /D600, characterizing the degree of humification and the adsorption ratio D465 / D650, characterizing the degree of aromatic nucleus condensation and conjugate fragments were used in the quantitative assessment of the nature of humus acids. Quantitative analysis of UV/visible spectra confirmed that the maximum barrier mechanism with respect to heavy metals will be the humic and gimatomelanoic acids of humus-peat oligotrophic soil, due to the high content of phenolic and carboxyl groups in these molecules, oxidation and a more developed chain of conjugated bonds in them in comparison with other acids. However, it was found that in all types of soils studied the process of humus formation proceeds mainly by a degradation type, that is, in the direction of formation of fulvic acids. Forcitation:Prilutskaya N.S., Korel'skaya T.A., Popova L.F. Study of structural and functional composition of soil humus acids of euro-arctic region by molecular absorption spectroscopy (UV / visible). Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol. 2018. V. 61. N 2. P. 97-103
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Bairwa, Rajendra, Mamta ., Nintu Mandal, Nilanjan Chattopadhyaya, and Neeraj Bagoria. "Adsorption and Desorption of zinc in soil and its implication." International Journal of Agricultural Invention 3, no. 02 (November 27, 2018): 191–202. http://dx.doi.org/10.46492/ijai/2018.3.2.17.

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Zn availability mostly regulated through adsorption-desorption on soil (or adsorbent). Fly ash (FA) application influence on zinc adsorption-desorption in recommended chemical fertilizer (RDF) and farmyard manure (FYM) treatments of acidic Inceptisols of Assam. Zinc adsorption was better explained by Freundlich over the Langmuir adsorption equation. Adsorption was greatest in the treatment receiving FA only at 15 t ha−1 and least in the treatment receiving RDF 50 percent + FYM 5 t ha−1 + FA 5 t ha−1. Ni and Zn co-sorption to aluminium oxides (γ-Al2O3) in binary-sorbate systems were compared to their sorptionin single-sorbate systems as a function of pH using both macroscopic batch experiments and synchrotron-based X-ray absorption fine structure spectroscopy At pH 6.0, Ni and Zn were sorbed as inner-sphere surface complexes and competed for the limited number of reactive sites on γ-Al2O3.In binary-sorbate systems, Ni had no effect on Zn sorption, owning to its lower affinity for the metal oxide surface. In contrast, Zn had a higher affinity for the metal oxide surface and reduced Ni sorption. The influence of P on the Zn adsorption capacity of eight surface horizons in soils on granite and amphibolites materials. The presence of P, especially at high concentrations, was found to boost Zn adsorption. The effect was more marked in the soils on amphibolite, which contained increased concentrations of Fe and Al oxides relative to those on granite. The increased adsorption of zinc by effect of the presence of phosphate is ascribed primarily to the formation of a P–Zn complex in colloid surfaces.Studies should be undertaken while considering adsorption and desorption capacities of Zn for soils as well as ionic interactions for better Zn management in soils.
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Lu, Haijun, Qian Zhang, Yiqie Dong, Jixiang Li, and Xiong Zhang. "The Adsorption Capacity, Pore Structure, and Thermal Behavior of the Modified Clay Containing SSA." Advances in Materials Science and Engineering 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/9894657.

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Sewage sludge ash (SSA) was created by burning municipal sludge. The potential of clay containing 1 or 3 or 5% SSA was assessed for use as a landfill liner-soil material. Batch adsorption, low temperature N2adsorption, and TG-DTA tests were performed to evaluate the adsorption capacity, micropore structure, thermostability, and components of soils under Cr(VI) and Pb(II) chemical solutions. With the increasing amount of SSA in modified clay, the adsorption capacity of Cr(VI) and Pb(II) to the modified clay increases gradually. After absorption, the pore size of modified clay ranges from 2 nm to 8 nm. With the increasing amount of absorption, the pore volume decreases and the specific surface area increases. With the increasing of adsorption concentration of Cr(VI) and Pb(II), the mass loss percentage of modified clay increases to 23.4% and 12.6%, respectively. The modified clay containing SSA may be used as a good barrier material to attenuate contamination of Cr(VI) and Pb(II) in landfills.
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Fan, Yuan, Wuyan Shen, and Fangqin Cheng. "Reclamation of two saline-sodic soils by the combined use of vinegar residue and silicon-potash fertiliser." Soil Research 56, no. 8 (2018): 801. http://dx.doi.org/10.1071/sr18074.

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Amelioration of saline-sodic soil is essential to increase crop production and preserve the ecological environment in arid and semiarid regions. In this study, a pot experiment was conducted to investigate the effect of combined use of vinegar residue and silicon-potash (Si-K) fertiliser on the physical and chemical properties of two calcareous saline-sodic soils (saline soil (H-soil) and saline-sodic soil (S-soil)) and the growth of oat plants. The results showed that soil electrical conductivity was significantly decreased when vinegar residue was applied in two soils, which could be attributed to that vinegar residue could release H+, and react with HCO3−. When the combination of vinegar residue and Si-K fertiliser were used, equilibrium condition between monovalent cations and divalent cations could be altered. The divalent cations (e.g. Ca2+, Mg2+) were adsorbed at the cost of monovalent cations (Na+), resulting in the reduction of sodium adsorption ratio in the two soils. The decrease in soil pH was mainly due to the decrease in the activity of CO32− and HCO3−, which would react with H+ while vinegar residue was applied. As a saline-sodic soil, S-soil exhibited larger decrease in the pH compared with H-soil, a saline soil. The increase in the relative weight of wet stable macro-aggregate could be attributed to the release of Ca2+ and H+ and the flocculation of the dispersed clay by the application of Si-K fertiliser and vinegar residue. The application of Si-K fertiliser and vinegar residue contributed to a significant increase in survival rate and plant height of oat plants. It also led to increased relative water content and reduced electrolyte leakage for oat plants. This could be ascribed to the improvement of soil aggregate structure and nutrient supply, which promoted selective absorption and transportation of K+ over Na+ and decreased leaf damage. Therefore, the combined use of vinegar residue and Si-K fertiliser was considered to be a wise method for ameliorating two calcareous saline-sodic soils in Shanxi Province, Northern China.
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Мank, V., O. Тоnkha, V. Galimova, S. Surovtsev, O. Menshov, O. Bukova, and I. Rogovskiy. "ELECTROCHEMICAL INVESTIGATION OF COBALT ABSORBTION PROCESSES BY SOILS OF UKRAINE." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 3 (86) (2019): 34–39. http://dx.doi.org/10.17721/1728-2713.86.05.

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In this paper, the processes of cobalt absorption by soils of Ukraine are investigated by using the electrochemical method of pulsed inversion chronopotentiometry. It has been established that the absorption capacity of cobalt by soil varieties from complexing media is 64–98 %. In solutions of KNO3, NH4OH and CSN2H4 mobile compounds of cobalt are part of [Co(H2O)n]2+, [Co(NH3)n]2+,[Co(CSN2H4)n]2+, and in solutions of Na4P2O7, Na5P3O10 and ЕДТА4– anionic complexes [Co(P2O7)n]2–4n, [Co(P3O10)n]2–5n ³ [CoЕДТА]2– are formed. The cobalt cationic complexes [Co(H2O)n]2+, [Co(NH3)n]2+, [Co(CSN2H4)n]2+ are almost completely absorbed by the soils. Anionic complexes – [Co(P2O7) n] 2–4n, [Co(P3O10) n]2–5n ³ [CoЕДТА]2– largely remain mobile in the soil profile. The sorption effect depends on the charge of the complex ions, their strength and on the steriîìåtric parameters of the complex ions. A close positive relationship was established between the cobalt absorption by soils and the cation exchange capacity of soils, the correlation coefficient was 0,7976, and between the cobalt absorption by soils and the humus content (0,7034). In the study of biohumus, it was found that cobalt goes into the solution of 0,02M ЕДТАNa2 + 0,09M NH4Cl by the mechanism of competitive complexation, its transition to the HCl solution occurs due to the protonization of the functional groups of biohumus with which the metal is bound. Biohumus has rather high sorption properties of cobalt and may be promising for its use as an effective carrier matrix in various combinations with basic fertilizers. Isotherms of sorption or exchange of cobalt for exchange ions of biohumus in various solutions correspond to isotherms of Langmuir single layer adsorption. The method of IIHP analysis is important to use to control the content of trace elements at the level of their trace concentrations necessary for plant development.
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Sulakhudin, Abdul Syukur, and Bambang Hendro Sunarminto. "Zeolite and Hucalcia as Coating Material for Improving Quality of NPK Fertilizer in Costal Sandy Soil." Journal of Tropical Soils 16, no. 2 (July 3, 2013): 99–106. http://dx.doi.org/10.5400/jts.2011.v16i2.99-106.

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The growth and yield of plants are mainly a function of the quantity of fertilizer and water. In coastal sandy soil, nutrient losses and dry soils are seriously problems. The objective of the research was to study effect of zeolite and hucalci concentrations as NPK coating materials on NPK qualities i.e. water adsorption and release of N, P and K. The research used a coastal sandy soil as media. It was conducted in a laboratory of Soil Science Department, Gadjah Mada University from July to August 2009. Experimental design used was a factorial in a completely randomized design. The first factor was hucalci concentration, consisted of 10% (H1), 20% (H2), and 30% (H3). The second factor was zeolite concentration, consisted of 25% (Z1), 50% (Z2), 75% (Z3), and 100% (Z4). NPK fertilizer (without coating) used as a control. The results showed that hucalci and zeolite had a capability to increase water adsorption and to retard the release of N, P, K. The coated NPK with hucalci 30% and zeolite 100% had the highest quality in water absorption, water retention and release of nutrients.Keywords: Coastal sandy soil, humic-calcium, NPK fertilizer, zeolite
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Dissertations / Theses on the topic "Soil absorption and adsorption. Soils"

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Sandhu, Harjinder. "Sorption of lead and arsenic on soil components and effectiveness of phosphates for remediating lead and arsenic contaminated soils." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1923.

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Thesis (Ph. D.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains xii, 170 p. : ill. (some col.). Includes abstract. Includes bibliographical references.
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Ward, Philip R. "Generation of water repellence in sands, and its amelioration by clay addition /." Adelaide, 1993. http://web4.library.adelaide.edu.au/theses/09PH/09phw262.pdf.

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Park, Gi-hyeon. "Spatial and temporal patterns in soil moisture variations in Oklahoma and its comparison with ETA Model." Thesis, The University of Arizona, 2000. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_etd_hy0057_m_sip1_w.pdf&type=application/pdf.

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Gusli, Sikstus. "Effect of methods of wetting and rainfall characteristics on crusting and hardsetting of a red-brown earth." Title page, abstract and table of contents only, 1995. http://web4.library.adelaide.edu.au/theses/09PH/09phg982.pdf.

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Includes bibliographical references. The beneficial effects of tillage are often negated in Australian soils by poor aggregate structural stability. If irrigation or rain falls on exposed freshly tilled soil, crusting or harsetting often develops on drying. Rainfall intensity, kinetic energy, rate of wetting, antecedent water content and soil management history have been implicated in aggregate breakdown.
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Reed, Stewart T. "Copper adsorption/desorption characteristics on copper amended soils." Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-171512/.

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Xiao, Baohua. "The effects of soil organic matter heterogeneity on equilibrium sorption by soils and sediments /." Philadelphia, Pa. : Drexel University, 2004. http://dspace.library.drexel.edu/handle/1860/305.

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Killen, Mark Albert. "A physically based analytical model to predict infiltration under surge irrigation." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184379.

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A significant advantage attributed to surge flow irrigation is that for the same volume of water applied the stream will advance farther along the furrow than with continuous flow. This potentially will reduce runoff and deep percolation which will improve uniformity and application efficiency where this advance phenomenon holds. The mechanism for improvement in advance time has generally been ascribed to surface sealing and surface layer consolidation. However, these phenomena do not satisfactorily explain improved advance times in sandy soils. Widely used infiltration equations which require the determination of empirical coefficients are unsatisfactory as predictors of infiltration conditions of intermittent wetting. The Green-Ampt model and a simple redistribution model are combined into an analytical model to predict infiltration under surge irrigation. The model results are compared to infiltration tests on soil columns of three soils of different soil textures. Also the model and the experimental results from the soil columns are compared to predictions made by two numerical solutions of the Richard's equation. One of the numerical models includes the effect of hysteresis by the use of Mualem's model to predict the variation of moisture content with potential, the other numerical model neglects the effect of hysteresis. A comparison of the analytical and the numerical models shows good agreement in their predictions for the soils and surge cycles tested. A comparison of predictions made by all three models shows good correlation to the experimental results. Although the number of tests done on the analytical model were limited it appears to be nearly as good a predictor of infiltration as the numerical models. The greatest strength of the analytical model is that while the numerical models took many hours to do a single run, the analytical model took only a few minutes. Both model and experimental results indicate that there was no reduction in infiltration rates or volumes infiltrated with intermittent as compared to continuous wetting. Thus the reduction in hydraulic gradient is not a factor in the reduced infiltration observed by others.
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Forsling, Scott A. "Sorption and biodegradation of phenanthrene in soils." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-11102009-020357/.

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Don-Pedro, Esther A. "The effects of soil properties and clay minerals on the bioremediation of soils contaminated with pentachlorophenol." Akron, OH : University of Akron, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1126632988.

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Thesis (M.S.)--University of Akron, Dept. of Geology, 2005.
"August, 2005." Title from electronic thesis title page (viewed 11/29/2005) Advisor, Annabelle Foss; Committee members, Teresa Cutright, Ira Sasowsky; Department Chair, John Szabo; Dean of the College, Charles B. Monroe; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.
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Mewett, John University of Ballarat. "Electrokinetic remediation of arsenic contaminated soils." University of Ballarat, 2005. http://archimedes.ballarat.edu.au:8080/vital/access/HandleResolver/1959.17/12797.

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"Arsenic is a common soil contaminant in Australia and worldwide. There is a need to find safe, effective and economic methods to deal with this problem. The soils used in this research were collected from central Victoria. They were contaminated with arsenic by historic gold mining activity or by past sheep dipping practices. This research investigated ten different leaching agents for their effects on three different arsenic contaminated soils. [...] Electrokinetic experiments were conducted on three arsenic contaminated soils. [...] The arsenic in these soils appears to be relatively stable and immobile under oxidising conditions. The soils had a high iron content which assists in the stabilisation of arsenic. This is beneficial with respect to the environmental impact of the arsenic contamination, however, it remains an obstacle to low cost electrokinetic remediation."
Masters of Applied Science
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Books on the topic "Soil absorption and adsorption. Soils"

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S, Orlov D., and Rozanov B. G, eds. Opticheskie svoĭstva pochv i pochvennykh komponentov. Moskva: "Nauka", 1986.

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F, Hudson James. Forecasting onsite soil absorption system failure rates. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Lyon, William G. The swelling properties of soil organic matter and their relation to sorption of non-ionic organic compounds: Project summary. Ada, OK: U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, 1991.

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Fosfatogennai͡a transformat͡sii͡a pochv. Moskva: Nauka, 1995.

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Barrow, N. J. Reactions with variable-charge soils. Dordrecht: M. Nijhoff, 1987.

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Fu, Jaw-Kwei. Pollutant sorption to soils and sediments in organic/aqueous solvent systems. Athens, GA: U.S. Environmental Protection Agency, Environmental Research Laboratory, 1985.

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Fu, Jaw-Kwei. Pollutant sorption to soils and sediments in organic/aqueous solvent systems. Athens, GA: U.S. Environmental Protection Agency, Environmental Research Laboratory, 1985.

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Rachkova, N. G. Rolʹ sorbentov v prot︠s︡essakh transformat︠s︡ii soedineniĭ urana, radii︠a︡ i torii︠a︡ v podzolistoĭ pochve. Sankt-Peterburg: Nauka, 2006.

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Vandenberg, A. A physical model of vertical integration, drain discharge, and surface runoff for layered soils. Saskatoon, Sask: National Hydrology Research Institute, 1989.

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Shenber, Mohamed Ahmed. Sorption behaviour of radiocaesium in soils from various regions of Libya and Sweden. Uppsala: Swedish University of Agricultural Sciences, Dept. of Radioecology, 1992.

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Book chapters on the topic "Soil absorption and adsorption. Soils"

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Swift, R. S., and R. G. McLaren. "Micronutrient Adsorption by Soils and Soil Colloids." In Interactions at the Soil Colloid — Soil Solution Interface, 257–92. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-017-1909-4_9.

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Huang, Yu-Tuan, David J. Lowe, G. Jock Churchman, Louis A. Schipper, Nicolas J. Rawlence, and Alan Cooper. "Carbon Storage and DNA Adsorption in Allophanic Soils and Paleosols." In Soil Carbon, 163–72. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04084-4_17.

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Alva, A. K., M. E. Sumner, and W. P. Miller. "Salt absorption in gypsum amended acid soils." In Plant-Soil Interactions at Low pH, 93–97. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3438-5_10.

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Kelly, S. D., D. Hesterberg, and B. Ravel. "Analysis of Soils and Minerals Using X-ray Absorption Spectroscopy." In Methods of Soil Analysis Part 5-Mineralogical Methods, 387–463. Madison, WI, USA: American Society of Agronomy and Soil Science Society of America, 2015. http://dx.doi.org/10.2136/sssabookser5.5.c14.

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Selim, H. Magdi, Keli Zhao, Lixia Liao, and Jianming Xu. "Adsorption/Desorption Kinetics of Zn in Soils: Influence of Phosphate." In Molecular Environmental Soil Science at the Interfaces in the Earth’s Critical Zone, 88–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-05297-2_27.

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Kobayashi, Takeshi, Yuyu Liu, Yukari Takahashi, Takashi Kameya, and Yuko Yamada. "The Adsorption Equilibrium of Pb and Cd on Several Soils in Various pH Solutions or in the Presence of Dissolved Humic Substances." In Soil Biology, 105–11. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14526-6_5.

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Rambow, Jürgen, and Bernd Lennartz. "Effect of A Non-Singular Adsorption Assumption on the Simulation of Herbicide Leaching in the Water-Unsaturated Zone of Soils." In Soil & Environment, 557–58. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2018-0_100.

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Isaac, Robert A., and Jack D. Kerber. "Atomic Absorption and Flame Photometry: Techniques and Uses in Soil, Plant, and Water Analysis." In Instrumental Methods for Analysis of Soils and Plant Tissue, 17–37. Madison, WI, USA: Soil Science Society of America, 2015. http://dx.doi.org/10.2136/1971.instrumentalmethods.c2.

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Xu, Renkou, Jun Jiang, and Cheng Cheng. "Effect of Ionic Strength on Specific Adsorption of Ions by Variable Charge Soils: Experimental Testification on the Adsorption Model of Bowden et al." In Molecular Environmental Soil Science at the Interfaces in the Earth’s Critical Zone, 78–80. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-05297-2_24.

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McCoy, Benjamin J., and Dennis E. Rolston. "Effect of Combined Adsorption and Absorption in Migration of Soil Contaminants." In Studies in Surface Science and Catalysis, 429–36. Elsevier, 1993. http://dx.doi.org/10.1016/s0167-2991(08)63544-2.

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Conference papers on the topic "Soil absorption and adsorption. Soils"

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Petelko, A. I. "Rational use of washed soil." In РАЦИОНАЛЬНОЕ ИСПОЛЬЗОВАНИЕ ПРИРОДНЫХ РЕСУРСОВ В АГРОЦЕНОЗАХ. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-15.05.2020.31.

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Integrated agricultural practices contribute to increasing and restoring the fertility of washed lands, reducing water erosion of soils on the slopes. When cultivating eroded soils, it is necessary to introduce organic and mineral fertilizers into the arable layer, enrich it with nutrients and eliminate the acid reaction. To do this, you need to carry out deep plowing up to 30 cm with the simultaneous introduction of organic matter and mineral fertilizers. If the soil is acidic, then liming is necessary. This will help to create a better soil environment and better absorption of fertilizers.
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"Experimental Study on Soil Stabilization Using Fibres." In Recent Advancements in Geotechnical Engineering. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901618-25.

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Abstract. For pavement constructions such as runway and highway construction, fine-grained soils are not suitable because of their undesirable properties such as grading of particle size, low bearing capacity, and more plasticity, and its ability to swell. To improve these soil properties various soil stabilization methods are needed. The stabilization is done by adding various stabilizing materials with the fine-grained soil. Fibres are one of the materials used in soil stabilization. This experimental study has been carried over to improve the bearing capacity of soft soil (from Sholinganallur, Chennai) by using Natural and Artificial fibres. During this study, the soil samples which has been stabilized with various fibres was prepared i.e., soil with Natural fibres (jute fibre) and soil with artificial fibres. In this experimental study, index properties and engineering properties of soft soil or unreinforced samples and stabilized soil samples with fibres are determined. Samples are subjected to various soil tests which have been used to determine the engineering properties of soil. The soil tests such as the standard proctor compaction test, unsoaked California Bearing Ratio (CBR) test, and Unconfined Compression (UCC) test had been done to determine the characteristics of the samples. To determine the properties of the reinforced materials, the fibres also have undergone various geosynthetic laboratory tests. The results of the study show that the bearing capacity of Shollinganallur fine-grained soil can be improved subsequently and water absorption by soil has been reduced significantly by using fibres.
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N. Lebedeva, G. "The absorption coefficient of radio waves in sandy and clayey soils as a function of the soil moisture in the range of wavelenghts from 0.8 to 226 CM." In 5th EEGS-ES Meeting. European Association of Geoscientists & Engineers, 1999. http://dx.doi.org/10.3997/2214-4609.201406436.

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Emami Azadi, M. Reza. "The Influence of Different Scenarios of Supply Ship Collision on the Dynamic Response of a North-Sea Jacket-Pile-Soil System." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29039.

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In the present study, the influence of various scenarios of supply ship collisions, namely, bow, stern and also broad-side impacts on a jacket-pile-soil system is investigated. In the previous study of ship impact on an 8-leg North-Sea Jacket Platform by Amdahl et al. [2] and also other authors, the effect of jacket-pile-soil interaction was not considered. The collision points on the jacket structure are also taken as joints and mid-span of leg, horizontal and vertical braces, namely, hard and soft impact points. The speed and the weight of the colliding vessel are also varied for typical supply vessels. Several supply ship collision analyses are carried out for bow, stern and broad-side impact scenarios on an 8-leg North-sea Jacket platform It is observed that by taking into account the jacket-pile-soil interaction effects, in particular in softer clay soils the amplitude of displacement response after supply ship impact at the deck level is increased due to yield in the upper soil layers. Contrary to this finding, less linear dynamic effects can be seen in the studied jacket-pile-soil system subjected to the supply ship impact. It can also be concluded that for soft impact scenario, the dynamic effects in the global response of the platform located in the mainly OC clayey soil may be much less than those for hard impact scenario on the same platform. For instance, for a brace impact at its mid-span, a less significant dynamic effect has been observed than for a leg impact. The duration of impact in such cases is shown to play an important role in determining the dynamic influence of the platform response. The relative energy absorption of the platform is shown to be more for broad-side loading. It is shown that the global response of the jacket platform during the collision with a supply vessel might depend largely on the scenario of the impact and to some extent on the pile-soil behavior. It is found that for the bow and stern impact scenarios, the energy contribution of the local member dent or buckling might be more significant than for the broad-side loading for which the global frame energy contribution and the overall inertia effect of the platform might be a dominant factor.
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Pavel, Ioan, Radu Radoi, Gabriela Matache, and Ana-Maria Popescu. "CARBON CAPTURE AND STORAGE IN BIOMASS COMBUSTION PROCESS." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b2/v2/27.

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Biomass stores solar energy that man can convert into electricity, fuel or heat, resulting in cheap, clean energy with a negative carbon balance. The use of biomass from agricultural secondary production as a potential energy source can improve soil quality and reduce greenhouse gas emissions in a complementary, non-competing way. The paper presents a piece of combustion equipment performing the burning process by biomass gasification on the TLUD (Top-Lit UpDraft) principle, from which hot air and biochar are obtained. The main function of this type of gas generator set on the TLUD principle is to generate a syngas flame which can be used as a heat source. The biochar obtained as a by-product is a sterile, active carbon with a large adsorption surface which is used as a soil amendment in environments with limited capacity for carbon sequestration and in soils depleted of resources. Gasification on the TLUD principle occurs when the biomass layer is introduced into the reactor and rests on a grate through which the air flow for gasification passes from bottom to top. Priming of the gasification process is done by igniting the upper layer of biomass in the reactor. The oxidation front continuously descends consuming the biomass in the reactor. Due to the heat radiated by the oxidation front the biomass is heated, dried, and then it enters a fast pyrolysis process from which volatiles emerge and unconverted carbon remains there. When the combustion front reached the grate, all the volatiles in the biomass were gasified and some of the carbon fixed was reduced; about 10 - 20% of the initial mass in the form of sterile charcoal, called biochar, remains on the grill. Compared to wood direct combustion or gasification combustion processes, the TLUD gasification process is characterized by very low values of the superficial velocity of gas passing through the pyrolysis front. The slow process maintains superficial velocity of the generator gas produced at very low values, which ensures reduced carrying away of free ash of approximate size below PM2.5 and maxim values of 5 mg/MJbm when leaving the burner; such values are well below the target imposed in the EU in 2015 for biomass combustion processes, which is below 25 mg/MJ. The result of monitoring the gasification process can be used to automate and optimize the TLUD process in order to achieve green energy, for carbon sequestration in the obtained biochar and to reduce greenhouse gas emissions, thus contributing to achieving efficient protection of the environment and to ensuring sustainable energy development
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