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dc.contributor.authorPhillips, Adrienne J.
dc.contributor.authorEldring, Joseph
dc.contributor.authorHiebert, Dwight Randall
dc.contributor.authorLauchnor, Ellen G.
dc.contributor.authorMitchell, Andrew C.
dc.contributor.authorCunningham, Alfred B.
dc.contributor.authorSpangler, Lee H.
dc.contributor.authorGerlach, Robin
dc.identifier.citationPhillips, AJ, Eldring, J, Hiebert, R, Lauchnor, E, Mitchell AC, Cunningham, A, Spangler, L, Gerlach, R., "Design of a meso-scale high pressure vessel for the laboratory examination of biogeochemical subsurface processes," Journal of Petroleum Science and Engineering Feb 2015 126: 55–62en_US
dc.description.abstractBiocides are critical components of hydraulic fracturing (“fracking†) fluids used for unconventional shale gas development. Bacteria may cause bioclogging and inhibit gas extraction, produce toxic hydrogen sulfide, and induce corrosion leading to downhole equipment failure. The use of biocides such as glutaraldehyde and quaternary ammonium compounds has spurred a public concern and debate among regulators regarding the impact of inadvertent releases into the environment on ecosystem and human health. This work provides a critical review of the potential fate and toxicity of biocides used in hydraulic fracturing operations. We identified the following physicochemical and toxicological aspects as well as knowledge gaps that should be considered when selecting biocides: (1) uncharged species will dominate in the aqueous phase and be subject to degradation and transport whereas charged species will sorb to soils and be less bioavailable; (2) many biocides are short-lived or degradable through abiotic and biotic processes, but some may transform into more toxic or persistent compounds; (3) understanding of biocides’ fate under downhole conditions (high pressure, temperature, and salt and organic matter concentrations) is limited; (4) several biocidal alternatives exist, but high cost, high energy demands, and/or formation of disinfection byproducts limits their use. This review may serve as a guide for environmental risk assessment and identification of microbial control strategies to help develop a sustainable path for managing hydraulic fracturing fluids.en_US
dc.description.sponsorshipEuropean Union Marie Curie Reintegration Grant (277005) | National Science Foundation (DMS-0934696) | Southern Company and Shell International Exploration | U.S. Department of Energy (DE-FE0004478, DE-FE000959, DE-FG02-13ER86571)en_US
dc.titleDesign of a meso-scale high pressure vessel for the laboratory examination of biogeochemical subsurface processesen_US
mus.citation.journaltitleJournal of Petroleum Science and Engineeringen_US
mus.identifier.categoryEngineering & Computer Scienceen_US
mus.identifier.categoryLife Sciences & Earth Sciencesen_US
mus.relation.collegeCollege of Engineeringen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.departmentCenter for Biofilm Engineering.en_US
mus.relation.departmentChemical & Biological Engineering.en_US
mus.relation.departmentChemical Engineering.en_US
mus.relation.departmentEnvironmental Engineering.en_US
mus.relation.universityMontana State University - Bozemanen_US
mus.relation.researchgroupCenter for Biofilm Engineering.en_US
mus.contributor.orcidMitchell, Andrew C.|0000-0001-9749-5326en_US
mus.contributor.orcidSpangler, Lee H.|0000-0002-3870-6696en_US

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