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Academic literature on the topic 'Chlorinated hydrocarbon'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Chlorinated hydrocarbon"

1

Huang, Li Kun, and Guang Zhi Wang. "Study on Species and Distribution of Volatile Organic Compounds in WWTP." Advanced Materials Research 864-867 (December 2013): 2035–38. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.2035.

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This study carried on a qualitative analysis on emission and distribution of VOCs and quantitative analysis on BTEX and chlorinated hydrocarbon emitted from a municipal wastewater treatment plant (WWTP). At the same time, the variations of BETX and chlorinated hydrocarbon in three-phases in the biological treatment process in lab-scale were investigated. Results revealed that the low molecular weight hydrocarbon, BTEX (benzene, toluene, xylene) and chlorinated hydrocarbons (chloroform, carbon tetrachloride, chlorylene, tetrachloroethylene) were the main components of VOCs. Primary clarifier volatilized thirty-three species of VOCs, which was most in the WWTP. The remaining organic compounds in this unit belonged to refractory organics that was hardly decomposed by microbe. The more complex aromatic compounds in VOCs were detected.

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MURAKAMI, Takehiko. "Chlorinated hydrocarbon solvent." Journal of the Japan Society for Precision Engineering 54, no. 10 (1988): 1862–66. http://dx.doi.org/10.2493/jjspe.54.1862.

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ARMSTRONG, S., and L. GREEN. "Chlorinated hydrocarbon solvents." Clinics in Occupational and Environmental Medicine 4, no. 3 (August 2004): 481–96. http://dx.doi.org/10.1016/j.coem.2004.03.005.

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Sallmén, Markku, Sanni Uuksulainen, Christer Hublin, Aki Koskinen, and Markku Sainio. "O2D.5 Risk of parkinson disease in solvent exposed workers in finland." Occupational and Environmental Medicine 76, Suppl 1 (April 2019): A19.2—A19. http://dx.doi.org/10.1136/oem-2019-epi.51.

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Epidemiologic studies indicate that occupational exposure to solvents may increase risk of Parkinson disease (PD).We constructed a population-based case-control study of incident PD using a register of Reimbursement of medicine costs of the Social Insurance Institution of Finland, along with the Population Information System, including census records for all Finnish residents. PD cases were diagnosed between 1995–2014. Controls were randomly selected from the population while matching on diagnosis year, birth year (1930–1950), and sex. A total of 11,757 PD cases and 23 236 controls had data from the occupational census in 1990, ensuring ≥4 years exposure lagging and 21 years of occupational history data (5 censuses from 1970–1990). We used the Finnish Job Exposure Matrix to assess cumulative exposure (CE) to four groups of solvents (aliphatic/alicyclic hydrocarbon, aromatic hydrocarbon, chlorinated hydrocarbon, other). We estimated PD-solvent odds ratios (ORs) and 95% confidence intervals (CIs) using unconditional logistic regression, while adjusting for age, sex, socioeconomic status and smoking (a_OR), or additionally for CE to chromium and one of the other solvent groups (ab_OR).In total, 3758 cases (30.4%) and 7445 controls (32.0%) were potentially exposed to solvents (a_OR 0.99; CI: 0.94–1.05). Exposure to chlorinated hydrocarbons was associated with PD (a_OR 1.20; CI: 1.05–1.36; ab_OR 1.21 CI: 1.04–1.40) at the highest CE group (20–145 ppm-years, n=409 cases and 728 controls) but not at lower CE levels. Overall, CE to chlorinated hydrocarbons (n=1840 cases and 3693 controls) was associated with increased risk of PD (p-for-trend=0.01). There was no evidence of a positive association for any of the other solvent groups.We observed a positive association between occupational exposure to chlorinated hydrocarbons and risk of PD. This was especially true for greatest duration and/or level of exposure.

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Ohura, Takeshi, Maki Morita, Masakazu Makino, Takashi Amagai, and Kayoko Shimoi. "Aryl Hydrocarbon Receptor-Mediated Effects of Chlorinated Polycyclic Aromatic Hydrocarbons." Chemical Research in Toxicology 20, no. 9 (September 2007): 1237–41. http://dx.doi.org/10.1021/tx700148b.

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Li, Hui, Zhantao Han, Yong Qian, Xiangke Kong, and Ping Wang. "In Situ Persulfate Oxidation of 1,2,3-Trichloropropane in Groundwater of North China Plain." International Journal of Environmental Research and Public Health 16, no. 15 (August 1, 2019): 2752. http://dx.doi.org/10.3390/ijerph16152752.

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In situ injection of Fe(II)-activated persulfate was carried out to oxidize chlorinated hydrocarbons and benzene, toluene, ethylbenzene, and xylene (BTEX) in groundwater in a contaminated site in North China Plain. To confirm the degradation of contaminants, an oxidant mixture of persulfate, ferrous sulfate, and citric acid was mixed with the main contaminants including 1,2,3-trichloropropane (TCP) and benzene before field demonstration. Then the mixed oxidant solution of 6 m3 was injected into an aquifer with two different depths of 8 and 15 m to oxidize a high concentration of TCP, other kinds of chlorinated hydrocarbons, and BTEX. In laboratory tests, the removal efficiency of TCP reached 61.4% in 24 h without other contaminants but the removal rate was decreased by the presence of benzene. Organic matter also reduced the TCP degradation rate and the removal efficiency was only 8.3% in 24 h. In the field test, as the solution was injected, the oxidation reaction occurred immediately, accompanied by a sharp increase of oxidation–reduction potential (ORP) and a decrease in pH. Though the concentration of pollutants increased due to the dissolution of non-aqueous phase liquid (NAPL) at the initial stage, BTEX could still be effectively degraded in subsequent time by persulfate in both aquifers, and their removal efficiency approached 100%. However, chlorinated hydrocarbon was relatively difficult to degrade, especially TCP, which had a relatively higher initial concentration, only had a removal efficiency of 30%–45% at different aquifers and monitoring wells. These finding are important for the development of injection technology for chlorinated hydrocarbon and BTEX contaminated site remediation.

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Luekittisup, Prapaporn, Visanu Tanboonchauy, Jitlada Chumee, Somrudee Predapitakkun, Rattanawan W. Kiatkomol, and Nurak Grisdanurak. "Removal of Chlorinated Chemicals in H2Feedstock Using Modified Activated Carbon." Journal of Chemistry 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/959012.

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Activated carbon (GAC) was impregnated by sodium and used as adsorbent to remove chlorinated hydrocarbon (CHC) gases contaminated in H2feedstock. The adsorption was carried out in a continuous packed-bed column under the weight hourly space velocity range of 0.8–1.0 hr−1. The adsorption capacity was evaluated via the breakthrough curves. This modified GAC potentially adsorbed HCl and VCM of 0.0681 gHCl/gadsorbentand 0.0026 gVCM/gadsorbent, respectively. It showed higher adsorption capacity than SiO2and Al2O3balls for both organic and inorganic CHCs removal. In addition, the kinetic adsorption of chlorinated hydrocarbons on modified GAC fit well with Yoon-Nelson model.

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Huber, L. J. "Waste Water Treatment at the WACKER CHEMIE Chemical-Petrochemical Plant, Burghausen, F.R.G." Water Science and Technology 20, no. 10 (October 1, 1988): 13–19. http://dx.doi.org/10.2166/wst.1988.0119.

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Waste water treatment in larger chemical and petrochemical plants affords the application of all available technologies for pollution abatement. Elimination of conventional and priority pollutants down to low concentrations in the effluent is necessary in the F.R.G. for the protection of surface waters. Special care is directed at chlorinated hydrocarbons. The WACKER-CHEMIE plant at Burghausen which produces especially chlorinated and organic silicon compounds uses a great number of in-plant measures, pretreatment steps and finally a two-stage biological purification to attain a high effluent quality. Important in-plant measures comprise the perchlorination of all significant chloro-hydrocarbon residues and the conversion to tetrachloroethylene and the reclamation of hydrogenchloride in the production of vinylchloride. Waste waters from the manufacture of chlorinated hydrocarbons are pre-treated by steam stripping or adsorbtion to macromolecular resins. Final treatment is effected by purification in a high rate activated sludge plant followed by an aerated lagoon.

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Monster, Aart C. "Biological Monitoring of Chlorinated Hydrocarbon Solvents." Journal of Occupational and Environmental Medicine 28, no. 8 (August 1986): 583–88. http://dx.doi.org/10.1097/00043764-198608000-00012.

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SORBO, N. W., and D. P. Y. CHANG. "Observations of Chlorinated Hydrocarbon Droplet Gasification." Combustion Science and Technology 85, no. 1-6 (September 1992): 419–35. http://dx.doi.org/10.1080/00102209208947181.

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Dissertations / Theses on the topic "Chlorinated hydrocarbon"

1

Whyte, Jeffrey J. "Methodologies for evaluating planar chlorinated hydrocarbon, PCH, and polycyclic aromatic hydrocarbon, PAH, exposure and bioconcentration in fish." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0006/NQ30659.pdf.

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Tibui, Aloysius. "Biodegradation of Aliphatic Chlorinated Hydrocarbon (PCE, TCE and DCE) in Contaminated Soil." Thesis, Linköping University, The Tema Institute, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7908.

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Soil bottles and soil slurry experiments were conducted to investigate the effect of some additives on the aerobic and anaerobic biodegradation of chlorinated aliphatic hydrocarbons; tetrachloroethylene (PCE), trichloroethylene (TCE) and dichloroethylene (DCE) in a contaminated soil from Startvätten AB Linköping Sweden. For the aerobic degradation study the soil sample was divided into two groups, one was fertilised. The two groups of soil in the experimental bottles were treated to varying amount of methane in pairs. DCE and TCE were added to all samples while PCE was found in the contaminated soil. Both aerobic and anaerobic experiments were conducted. For aerobic study air was added to all bottles to serve as electron acceptor (oxygen). It was observed that all the samples showed a very small amount of methane consumption while the fertilised soil samples showed more oxygen consumption. For the chlorinated compounds the expected degradation could not be ascertained since the control and experimental set up were more or less the same.

For the anaerobic biodegradation study soil slurry was made with different media i.e. basic mineral medium (BM), BM and an organic compound (lactate), water and sulphide, phosphate buffer and sulphide and phosphate buffer, sulphide and ammonia. To assure anaerobic conditions, the headspace in the experimental bottles was changed to N2/CO2. As for the aerobic study all the samples were added DCE and TCE while PCE was found in the contaminated soil. The sample without the soil i.e. the control was also given PCE. It was observed that there was no clear decrease in the GC peak area of the pollutants in the different media. The decrease in GC peak area of the pollutants could not be seen, this may be so because more susceptible microorganisms are required, stringent addition of nutrients and to lower the risk of the high concentration of PCE and petroleum products in the soil from Startvätten AB.

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Qin, Tianyu. "Comparison of in-situ bioremediation of soil contaminated with chlorinated hydrocarbons." Thesis, Högskolan i Halmstad, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-43062.

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In recent years, due to the continuous development of machinery, electronics, leather, chemical companies and dry-cleaning industry, more and more chlorinated hydrocarbons accumulate in the soil, causing serious harm to the environment. The accumulation of chlorinated hydrocarbons and the teratogenic, carcinogenic, and mutagenic hazards seriously threaten human health. Therefore, the remediation of chlorinated hydrocarbons is imminent. Under this premise, in-situ bioremediation has gradually received attention. For in situ bioremediation of soil contaminated with chlorinated hydrocarbons, the most commonly used methods are biostimulation alone, bioaugmentation alone, and a combination with biostimulation and bioaugmentation. The removal rate of trichloroethylene in the case of using biostimulation products alone is significantly lower than that of using bioaugmentation products alone. The removal rate of trichloroethylene by biostimulation products alone does not exceed 60%, and “DCE pause” occurred, but did not occur in the case of using bioaugmentation products. The removal rate of trichloroethylene by bioaugmentation products is generally higher than 98%, and it will promote the degradation of trichloroethylene or tetrachloroethylene to non-toxic ethylene. Therefore, only cases containing bioaugmentation can achieve non-toxic degradation of chlorinated hydrocarbons and take into account the high removal rate of them. In addition, the biostimulation duration is significantly shorter.

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MacNeil, Susan Lynne. "Bioremediation f C1 and C2 chlorinated aliphatic hydrocarbon contaminated groundwater : application of membrane bioreactor technology." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27240.

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An extensive literature survey concerning C$ sb1$ and C$ sb2$ chlorinated aliphatic hydrocarbon (CAH) biodegradation is presented and membrane bioreactor (MBR) technology is exercised towards PCE bioremediation. A 108-day run was conducted utilizing a pilot-scale 20 L MBR comprising a methanol-fed mixed-methanogenic culture operating at a constant 1-day HRT and 36-day SRT. The MBR exhibited long-term (four months) PCE degradation activity at biomass concentrations of 0.61 to 1.45 g protein/L and contaminant loadings of 100 to 400 $ mu$mol PCE/L. The bacteria showed quick acclimation and improved PCE degradation with long-term PCE exposure. The maximum specific TCE formation rates were 50 to 80 $ mu$mol TCE produced/g protein day. In spite of a rapid permeate flux decline at the beginning of the run, the flux stabilized at a satisfactory level. A number suggestions to further enhance CAH biodegradation and issues concerning membrane fouling are described.

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Barnes, Robert James. "Dechlorinating bacterial strains and nano-scale iron particles for remediation of chlorinated aliphatic hydrocarbon contaminated sites." Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509894.

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MacNeil, Susan Lynne. "Bioremediation of C¦1 and C¦2 chlorinated aliphatic hydrocarbon contaminated groundwater, application of membrane bioreactor technology." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ29613.pdf.

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Heckel, Benjamin Matthäus [Verfasser], and Elsner [Akademischer Betreuer]. "Investigating Mechanisms of Reductive Chlorinated Hydrocarbon Degradation with Compound-Specific Isotope Analysis / Benjamin Matthäus Heckel ; Betreuer: Elsner." Tübingen : Universitätsbibliothek Tübingen, 2018. http://d-nb.info/1198972688/34.

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Smith, Madelyn M. "Cometabolic Degradation of Halogenated Aliphatic Hydrocarbons by Aerobic Microorganisms Naturally Associated with Wetland Plant Roots." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1341854406.

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Letcher, Robert J. (Robert James) Carleton University Dissertation Chemistry. "The Ecological and analytical chemistry of chlorinated hydrocarbon contaminants and methyl sulfonyl-containing metabolites of PCBs and 4,4'-DDE in the polar bear (Ursus maritimus) food chain." Ottawa, 1996.

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Therrien, Annamarie F. "Degradation of Chlorinated Hydrocarbons in Groundwater Passing Through the Treatment Wetland at Wright-Patterson Air Force Base: Analysis of Results Collected During 2001-'06." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1363477561.

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Books on the topic "Chlorinated hydrocarbon"

1

Burston, Mark William. The hydrogeology and chlorinated hydrocarbon solvent pollution of the Coventry aquifer system. Birmingham: University of Birmingham, 1994.

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2

McGovern, E. Trace metal and chlorinated hydrocarbon concentrations in shellfish from Irish waters, 1997-1999. Dublin: Marine Institute, 2001.

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3

Laboratory, Occupational Medicine and Hygiene. Chlorinated hydrocarbon solvent vapours in air: Laboratory method using pumped charcoal sorption tubes, solvent desorption and gas chromatography. Bootle: Health and Safety Executive, 1990.

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4

IARC Working Group on the Evaluation of Carcinogenic Risks to Humans. Chlorinated drinking-water, chlorination by-products: Some other halogenated compounds, cobalt and cobalt compounds. Lyon, France: International Agency for Research on Cancer, 1991.

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International Program on Chemical Safety. Kelevan health and safety guide. Geneva: World Health Organization, 1987.

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Offenhartz, Barbara H. Enzyme-based detection of chlorinated hydrocarbons in water. Cincinnati, OH: U.S. Environmental Protection Agency, Hazardous Waste Engineering Research Laboratory, 1985.

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Offenhartz, Barbara H. Enzyme-based detection of chlorinated hydrocarbons in water. Cincinnati, OH: U.S. Environmental Protection Agency, Hazardous Waste Engineering Research Laboratory, 1985.

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Offenhartz, Barbara H. Enzyme-based detection of chlorinated hydrocarbons in water. Cincinnati, OH: U.S. Environmental Protection Agency, Hazardous Waste Engineering Research Laboratory, 1985.

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Offenhartz, Barbara H. Enzyme-based detection of chlorinated hydrocarbons in water. Cincinnati, OH: U.S. Environmental Protection Agency, Hazardous Waste Engineering Research Laboratory, 1985.

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10

Offenhartz, Barbara H. Enzyme-based detection of chlorinated hydrocarbons in water. Cincinnati, OH: U.S. Environmental Protection Agency, Hazardous Waste Engineering Research Laboratory, 1985.

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Book chapters on the topic "Chlorinated hydrocarbon"

1

Gooch, Jan W. "Chlorinated Hydrocarbon." In Encyclopedic Dictionary of Polymers, 140. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_2308.

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2

Mol, Simone N., Dongmei Wang, Felicity A. Roddick, and Bruce N. Anderson. "Remediation of Chlorinated Hydrocarbon Solvents." In Environmental Monitoring and Biodiagnostics of Hazardous Contaminants, 291–303. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-017-1445-7_22.

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Onuska, Francis I. "Mass Spectrometry of Chlorinated Polycyclic Hydrocarbon Pesticides." In Mass Spectrometry in Environmental Sciences, 405–22. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2361-7_18.

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Tysoe, Wilfred T. "The Surface Chemistry of Chlorinated Hydrocarbon Lubricant Additives." In Physics of Sliding Friction, 265–74. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-015-8705-1_17.

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Coleman, Nicholas V. "Primers: Functional Genes for Aerobic Chlorinated Hydrocarbon-Degrading Microbes." In Springer Protocols Handbooks, 141–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/8623_2015_91.

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Demougeot-Renard, Hélène, André Bapst, Celia Trunz, Laurence Fischer, and Philippe Renard. "Integrative Passive Samplers to Detect Chlorinated Hydrocarbon Contamination in Karst." In EuroKarst 2016, Neuchâtel, 231–41. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-45465-8_23.

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Stucki, G., and M. Thüer. "Experiences with the Full-Scale Biological Treatment of Chlorinated Hydrocarbon Contaminated Groundwater." In Contaminated Soil ’95, 921–27. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0421-0_17.

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Gooch, Jan W. "Chlorinated Hydrocarbons." In Encyclopedic Dictionary of Polymers, 140. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_2309.

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Gabrys, Beata, John L. Capinera, Jesusa C. Legaspi, Benjamin C. Legaspi, Lewis S. Long, John L. Capinera, Jamie Ellis, et al. "Chlorinated Hydrocarbons." In Encyclopedia of Entomology, 863. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_638.

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Lumpkin, Michael H. "Chlorinated Hydrocarbons." In Hamilton & Hardy's Industrial Toxicology, 541–66. Hoboken, New Jersey: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781118834015.ch58.

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Conference papers on the topic "Chlorinated hydrocarbon"

1

Barnard, A. E. "18. Residential Indoor Air Impacts above Chlorinated Hydrocarbon Groundwater Plume." In AIHce 1998. AIHA, 1999. http://dx.doi.org/10.3320/1.2762891.

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Etienne, A., J. Deceuster, and O. Kaufmann. "Geoelectrical Monitoring Experiment of In-situ Bioremediation of a Chlorinated Hydrocarbon Plume." In Near Surface 2011 - 17th EAGE European Meeting of Environmental and Engineering Geophysics. Netherlands: EAGE Publications BV, 2011. http://dx.doi.org/10.3997/2214-4609.20144408.

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Dawson, Gaynor, and Tom McKeon. "Green Remediation: Enhanced Reductive Dechlorination Using Recycled Rinsewater as Bioremediation Substrate." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7090.

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Enhanced reductive dechlorination (ERD) has rapidly become a remedy of choice for use on chlorinated solvent contamination when site conditions allow. With this approach, solutions of an organic substrate are injected into the affected aquifer to stimulate biological growth and the resultant production of reducing conditions in the target zone. Under the reducing conditions, hydrogen is produced and ultimately replaces chlorine atoms on the contaminant molecule causing sequential dechlorination. Under suitable conditions the process continues until the parent hydrocarbon precursor is produced, such as the complete dechlorination of trichloroethylene (TCE) to ethene. The process is optimized by use of a substrate that maximizes hydrogen production per unit cost. When natural biota are not present to promote the desired degradation, inoculates can be added with the substrate. The in-situ method both reduces cost and accelerates cleanup. Successful applications have been extended from the most common chlorinated compounds perchloroethylene (PCE) and TCE and related products of degradation, to perchlorate, and even explosives such as RDX and trinitrotoluene on which nitrates are attacked in lieu of chloride. In recent work, the process has been further improved through use of beverage industry wastewaters that are available at little or no cost. With material cost removed from the equation, applications can maximize the substrate loading without significantly increasing total cost. The extra substrate loading both accelerates reaction rates and extends the period of time over which reducing conditions are maintained. In some cases, the presence of other organic matter in addition to simple sugars provides for longer performance times of individual injections, thereby working in a fashion similar to emulsified vegetable oil. The paper discusses results of applications at three different sites contaminated with chlorinated ethylenes. The applications have included wastewaters of both natural fruit juices and corn syrup solutions from carbonated beverages. Cost implications include both the reduced cost of substrate and the cost avoidance of needing to pay for treatment of the wastewater.

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Rome´ro, Ste´phanie. "Environmental Remediation of an ALSTOM Grid Industrial Site (France)." In ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2011. http://dx.doi.org/10.1115/icem2011-59270.

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ALSTOM Grid is the project owner of the remediation of a former industrial site, located in Saint-Ouen, north of Paris. The industrial activity (power transformer production) started in 1921 and stopped in 2006. The type of pollution is linked with the former activity. It’s an organic pollution: hydrocarbon, PCB and chlorinated volatile organic compounds. The clean-up concerns soil and groundwater. The main specificity of the project is that the remediation is operated inside the existing industrial buildings which must be kept in place and restituted to the owner after the works. The treatment of soil requires excavating soil up to 9 m deep (1 m under the level of the groundwater) inside the buildings. As a consequence, some impressive devices were set up to ensure the stability of the buildings during the clean-up, like support structures of the foundations and strengthening of the building fronts. In the same time, it has to be pointed out that great diversity of clean-up actions is performed on the site: the soil is excavated to be treated on site (bioremediation or chemical treatment) or off site. The treatment of groundwater consists of pumping the oil staying on the surface and oxidizing the dissolved pollution. This project is probably the first experience of this scale in France with multi-contaminated soil and groundwater decontamination in keeping and reinforcing the existing buildings.

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Amano, Ryo S., Jose Martinez Lucci, Krishna S. Guntur, M. Mahmun Hossain, M. Monzur Morshed, Matthew E. Dudley, and Franklin Laib. "Experimental Study of Treating Volatile Organic Compounds." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34579.

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Heated Soil Vapor Extraction (HSVE) is a technology that has been used successfully to clean up subsurface soils at sites containing chlorinated solvents and petroleum hydrocarbons. The costs have been extremely high due to the large amount of energy required to volatilize high molecular weight polycyclic aromatic hydrocarbon (PAH) compounds present in the soil matrix. One remediation contractor states that hydrocarbons are oxidized in situ by achieving temperatures in the >1000 F range near the heaters [1]. A critical question is whether the volatile portion of manufactured gas plant (MGP) hydrocarbons (VOCs) can be stripped out at lower temperatures such that the remaining contaminants will be unavailable for transport or subsequent dissolution into the groundwater. Soil remediation by heated soil vapor extraction system is a relatively new technology developed by Jay Jatkar Inc. (JJI) along with the University of Wisconsin-Milwaukee [2]. The areas around chemical companies or waste disposal sites have been seriously contaminated from the chemicals and other polluting materials that are disposed off. The process developed by JJI, consists of a heater/boiler that pump and circulates hot oil through a pipeline that is enclosed in a larger-diameter pipe. This extraction pipe is vertically installed within the contaminated soil up to a certain depth and is welded at the bottom and capped at the top. The number of heat source pipes and the extraction wells depends on the type of soil, the type of pollutants, moisture content of the soil and the size of the area to be cleaned. The heat source heats the soil, which is transported in the interior part of the soil by means of conduction and convection. This heating of soil results in vaporization of the gases, which are then driven out of the soil by the extraction well. The extraction well consists of the blower which would suck the vaporized gases out of the system. Our previous studies had removed higher boiling compounds, such as naphthalene, etc., to a non-detectable level. Thus, the current technology is very promising for removing most of the chemical compounds; and can also remove these boiling compounds from the saturated zone. Gas chromatography (GC) is utilized in monitoring the relative concentration changes over the extraction period. Gas chromatography-mass spectrometry (GC-MS) assists in the identification and separation of extracted components. The experimental research is currently being conducted at the University of Wisconsin-Milwaukee. The objectives of this study are to identify contaminants and time required to remove them through HSVE treatment and provide data for computation fluid dynamics CFD analysis.

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Amano, Ryo S., Jose Martinez Lucci, and Krishna S. Guntur. "Experimental and Computational Study of Vaporization of Volatile Organic Compounds." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-41086.

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Heated Soil Vapor Extraction (HSVE) is a technology that has been used successfully to clean up subsurface soils at sites containing chlorinated solvents and petroleum hydrocarbons. The costs have been extremely high due to the large amount of energy required to volatilize high molecular weight polycyclic aromatic hydrocarbon (PAH) compounds present in the soil matrix. One remediation contractor states that hydrocarbons are oxidized in situ by achieving temperatures in the >1000 F range near the heaters [1]. A critical question is whether the volatile portion of manufactured gas plant (MGP) hydrocarbons (VOCs) can be stripped out at lower temperatures such that the remaining contaminants will be unavailable for transport or subsequent dissolution into the groundwater. Soil remediation by heated soil vapor extraction system is a relatively new technology developed at the University of Wisconsin-Milwaukee [2]. The areas around chemical companies or waste disposal sites have been seriously contaminated from the chemicals and other polluting materials that are disposed off. The process developed at UWM, consists of a heater/boiler that pump and circulates hot oil through a pipeline that is enclosed in a larger-diameter pipe. This extraction pipe is vertically installed within the contaminated soil up to a certain depth and is welded at the bottom and capped at the top. The number of heat source pipes and the extraction wells depends on the type of soil, the type of pollutants, moisture content of the soil and the size of the area to be cleaned. The heat source heats the soil, which is transported in the interior part of the soil by means of conduction and convection. This heating of soil results in vaporization of the gases, which are then driven out of the soil by the extraction well. The extraction well consists of the blower which would suck the vaporized gases out of the system. Our previous studies had removed higher boiling compounds such as naphthalene, etc., to non-detectable level. Thus, the current technology is very promising for removing most of the chemicals compounds; and can also remove these high boiling compounds from the saturated zone. Gas chromatography (GC) is utilized in monitoring the relative concentration changes over the extraction period. Gas chromatography-mass spectrometry (GCMS) assists in the identification and separation of extracted components. The experimental research is currently being conducted at the University of Wisconsin-Milwaukee. The objectives of this study are to identify contaminants and time required to remove them through HSVE treatment and provide data for computation fluid dynamics CFD analysis.

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Rohlfing, E. A., and D. W. Chandler. "Laser spectroscopy of jet-cooled chlorinated aromatic hydrocarbons." In AIP Conference Proceedings Volume 160. AIP, 1987. http://dx.doi.org/10.1063/1.36871.

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Liu, Guorui, Minghui Zheng, Rong Jin, Lili Yang, Cui Li, and Xiaoyun Liu. "Chlorinated and Brominated Polycyclic Aromatic Hydrocarbons on the Tibetan Plateau." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1583.

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Miller, John A., Rick Deuell, and Steven J. Linse. "Zinc-Iron Reactive Aeration Trench: Passive Treatment of Chlorinated Hydrocarbons." In SPE International Conference on Health, Safety, and Environment in Oil and Gas Exploration and Production. Society of Petroleum Engineers, 1998. http://dx.doi.org/10.2118/46583-ms.

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Lin, Ching-Chun, Pau-Chung Chen, Meng-Shan Tsai, Yu Chan Chen, and Yu Ling Ren. "0198 The chlorinated hydrocarbons contaminated groundwater and the reproductive hazard." In Eliminating Occupational Disease: Translating Research into Action, EPICOH 2017, EPICOH 2017, 28–31 August 2017, Edinburgh, UK. BMJ Publishing Group Ltd, 2017. http://dx.doi.org/10.1136/oemed-2017-104636.156.

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Reports on the topic "Chlorinated hydrocarbon"

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Guven, O., J. H. Dane, W. E. Hill, C. Hofstee, and R. C. Walker. Subsurface Transport of Hydrocarbon Fuel Additives and a Dense Chlorinated Solvent. Fort Belvoir, VA: Defense Technical Information Center, December 1996. http://dx.doi.org/10.21236/ada327247.

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GROUNDWATER SERVICES INC HOUSTON TX. Report for Full-Scale Mulch Wall Treatment of Chlorinated Hydrocarbon-Impacted Groundwater. Fort Belvoir, VA: Defense Technical Information Center, April 2004. http://dx.doi.org/10.21236/ada422621.

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Rossabi, J. Integration of Raman Spectroscopy and Cone Penetration Technology Characterize Chlorinated Hydrocarbon Contaminant Plumes. Office of Scientific and Technical Information (OSTI), November 1998. http://dx.doi.org/10.2172/4963.

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Brigmon, R. L., M. M. Franck, J. Brey, C. B. Fliermans, D. Scott, and K. Lanclos. Direct immunofluorescence and enzyme-linked immunosorbent assays for evaluating chlorinated hydrocarbon degrading bacteria. Office of Scientific and Technical Information (OSTI), June 1997. http://dx.doi.org/10.2172/491526.

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Strand, Stuart E. Chlorinated Hydrocarbon Degradation in Plants: Mechanisms and Enhancement of Phytoremediation of Groundwater Contamination. Office of Scientific and Technical Information (OSTI), June 2003. http://dx.doi.org/10.2172/834674.

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Stuart Strand. Chlorinated Hydrocarbon Degradation in Plants: Mechanisms and Enhancement of Phytoremediation of Groundwater Contamination. Office of Scientific and Technical Information (OSTI), September 2004. http://dx.doi.org/10.2172/833458.

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Strand, Stuart E. Chlorinated Hydrocarbon Degradation in Plants: Mechanisms and Enhancement of Phytoremediation of Groundwater Contamination. Office of Scientific and Technical Information (OSTI), June 2002. http://dx.doi.org/10.2172/834670.

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Strand, Stuart E., and Milton P. PI: Gordon. USING TREES TO REMEDIATE GROUNDWATERS CONTAMINATED WITH CHLORINATED HYDROCARBONS. Office of Scientific and Technical Information (OSTI), June 2000. http://dx.doi.org/10.2172/827250.

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Semprini, Lewis, Jonathan Istok, Mohammad Azizian, and Young Kim. Push-Pull Tests for Evaluating the Aerobic Cometabolism of Chlorinated Aliphatic Hydrocarbons. Fort Belvoir, VA: Defense Technical Information Center, April 2005. http://dx.doi.org/10.21236/ada439084.

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Garrett, Bruce C., Edgar E. Arcia, Yurii A. Borisov, Christopher Cramer, Thom H. Dunning, Michel Dupuis, Jiali Gao, et al. Chemical Fate of Contaminants in the Environment: Chlorinated Hydrocarbons in the Groundwater. Office of Scientific and Technical Information (OSTI), August 2002. http://dx.doi.org/10.2172/15007021.

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