Degradation of bis(2-ethylhexyl) phthalate constituents under methanogenic conditions.
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).[1]References
- Degradation of bis(2-ethylhexyl) phthalate constituents under methanogenic conditions. Ejlertsson, J., Svensson, B.H. Biodegradation (1996) [Pubmed]
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