Legacy 1,2,3-trichloropropane contamination: a systematic review of treatments

1,2,3-Trichloropropane (TCP), a suspected human carcinogen, is a widespread contaminant that leaches into groundwater, where it persists. This systematic review of studies examines treatment technologies for TCP contamination. A four-database search yielded 1,160 papers, 36 of which met the eligibil...

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Autores principales:	B. Hope Hauptman, Colleen C. Naughton
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	1,2,3-tcp granulated activated carbon (gac) groundwater treatment legacy contaminant united nations sustainable development goal 3 and 6 Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/34eee563b28246ffb1290663774d1f39
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spelling	oai:doaj.org-article:34eee563b28246ffb1290663774d1f392021-11-05T19:34:14ZLegacy 1,2,3-trichloropropane contamination: a systematic review of treatments2043-90832408-936210.2166/washdev.2021.006https://doaj.org/article/34eee563b28246ffb1290663774d1f392021-07-01T00:00:00Zhttp://washdev.iwaponline.com/content/11/4/515https://doaj.org/toc/2043-9083https://doaj.org/toc/2408-93621,2,3-Trichloropropane (TCP), a suspected human carcinogen, is a widespread contaminant that leaches into groundwater, where it persists. This systematic review of studies examines treatment technologies for TCP contamination. A four-database search yielded 1,160 papers, 36 of which met the eligibility criteria for a full-text review. The three most-represented treatment technologies, such as biodegradation (13), zerovalent transition metals (8), and granular activated carbon (GAC) (4), are either fully deployed in water systems or in the field test stage. To meet TCP treatment goals, additional site-specific testing of well water is needed since source water chemistry and co-contamination influence treatment efficacy. Future studies should include standardized units for reporting degradation or sorption normalized to surface area, chemical input, and/or energy expenditures. Although GAC is the most common treatment for contaminated wells, this technology remains limited due to a low TCP adsorption capacity which requires frequent bed-volume replacement. Aerobic biodegradation, reduction with zerovalent iron, and Fenton's treatment produce byproducts that could limit their use. A geospatial analysis of TCP treatment studies reveals a dearth of knowledge about the extent of TCP contamination. TCP contamination is documented in at least nine countries on three continents, but there is little information about the rest of the world. HIGHLIGHTS First systematic review of 1,2,3-trichloropropane (TCP) treatment studies.; The most highly developed technologies are GAC, zerovalent zinc, and bioremediation.; Source water chemistry and co-contamination influence TCP treatment efficacy.; Studies need standardized TCP removal reporting units normalized to the surface area.; TCP contamination studied in only three continents, revealing wide knowledge gaps.;B. Hope HauptmanColleen C. NaughtonIWA Publishingarticle1,2,3-tcpgranulated activated carbon (gac)groundwater treatmentlegacy contaminantunited nations sustainable development goal 3 and 6Environmental technology. Sanitary engineeringTD1-1066ENJournal of Water, Sanitation and Hygiene for Development, Vol 11, Iss 4, Pp 515-534 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	1,2,3-tcp granulated activated carbon (gac) groundwater treatment legacy contaminant united nations sustainable development goal 3 and 6 Environmental technology. Sanitary engineering TD1-1066
spellingShingle	1,2,3-tcp granulated activated carbon (gac) groundwater treatment legacy contaminant united nations sustainable development goal 3 and 6 Environmental technology. Sanitary engineering TD1-1066 B. Hope Hauptman Colleen C. Naughton Legacy 1,2,3-trichloropropane contamination: a systematic review of treatments
description	1,2,3-Trichloropropane (TCP), a suspected human carcinogen, is a widespread contaminant that leaches into groundwater, where it persists. This systematic review of studies examines treatment technologies for TCP contamination. A four-database search yielded 1,160 papers, 36 of which met the eligibility criteria for a full-text review. The three most-represented treatment technologies, such as biodegradation (13), zerovalent transition metals (8), and granular activated carbon (GAC) (4), are either fully deployed in water systems or in the field test stage. To meet TCP treatment goals, additional site-specific testing of well water is needed since source water chemistry and co-contamination influence treatment efficacy. Future studies should include standardized units for reporting degradation or sorption normalized to surface area, chemical input, and/or energy expenditures. Although GAC is the most common treatment for contaminated wells, this technology remains limited due to a low TCP adsorption capacity which requires frequent bed-volume replacement. Aerobic biodegradation, reduction with zerovalent iron, and Fenton's treatment produce byproducts that could limit their use. A geospatial analysis of TCP treatment studies reveals a dearth of knowledge about the extent of TCP contamination. TCP contamination is documented in at least nine countries on three continents, but there is little information about the rest of the world. HIGHLIGHTS First systematic review of 1,2,3-trichloropropane (TCP) treatment studies.; The most highly developed technologies are GAC, zerovalent zinc, and bioremediation.; Source water chemistry and co-contamination influence TCP treatment efficacy.; Studies need standardized TCP removal reporting units normalized to the surface area.; TCP contamination studied in only three continents, revealing wide knowledge gaps.;
format	article
author	B. Hope Hauptman Colleen C. Naughton
author_facet	B. Hope Hauptman Colleen C. Naughton
author_sort	B. Hope Hauptman
title	Legacy 1,2,3-trichloropropane contamination: a systematic review of treatments
title_short	Legacy 1,2,3-trichloropropane contamination: a systematic review of treatments
title_full	Legacy 1,2,3-trichloropropane contamination: a systematic review of treatments
title_fullStr	Legacy 1,2,3-trichloropropane contamination: a systematic review of treatments
title_full_unstemmed	Legacy 1,2,3-trichloropropane contamination: a systematic review of treatments
title_sort	legacy 1,2,3-trichloropropane contamination: a systematic review of treatments
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/34eee563b28246ffb1290663774d1f39
work_keys_str_mv	AT bhopehauptman legacy123trichloropropanecontaminationasystematicreviewoftreatments AT colleencnaughton legacy123trichloropropanecontaminationasystematicreviewoftreatments
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Legacy 1,2,3-trichloropropane contamination: a systematic review of treatments

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