PMID: 9188196Jan 1, 1996Paper

Degradation of bis(2-ethylhexyl) phthalate constituents under methanogenic conditions

Biodegradation
J Ejlertsson, B H Svensson

Abstract

The degradation of bis(2-ethylhexyl) phthalate (DEHP) and its intermediary hydrolysis products 2-ethylhexanol (2-EH) and mono(2-ethylhexyl) phthalate (MEHP) was investigated in a methanogenic phthalic acid ester-degrading enrichment culture at 37 degrees C. 2-Ethylhexanoic acid (2-EHA), a plausible degradation product of 2-EH, was also studied. The culture readily degraded 2-EH via 2-EHA to methane which was formed in stoichiometric amounts assuming complete degradation of 2-EH to methane and carbon dioxide. MEHP was degraded to stoichiometric amounts of methane with phthalic acid as a transient intermediate. DEHP remained unaffected throughout the experimental period (330 days).

References

Mar 1, 1975·Bulletin of Environmental Contamination and Toxicology·G EnglehardtO Hutzinger
Feb 1, 1985·Applied and Environmental Microbiology·D P O'gradyA F Werner
Feb 1, 1984·Environmental Science & Technology·D R SheltonJ M Tiedje

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Citations

Aug 13, 2005·Applied Microbiology and Biotechnology·Vasily A VavilinBo H Svensson
Jul 2, 2008·Applied Microbiology and Biotechnology·Da-Wei LiangJianzhong He
Mar 1, 2008·Indian Journal of Microbiology·C Vamsee-Krishna, Prashant S Phale
Apr 24, 2007·Archives of Environmental & Occupational Health·Kunichika NakamiyaMasatoshi Morita
Dec 1, 2005·The Science of the Total Environment·Sandro NalliJim A Nicell
Dec 23, 2016·Critical Reviews in Analytical Chemistry·Emmanouil D TsochatzisHelen G Gika

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