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Phthalate hydrolysis under landfill conditions
Linköping University, The Tema Institute, Department of Water and Environmental Studies. Linköping University, Faculty of Arts and Sciences.
Water Problems Institute, Russian Academy of Sciences, Gubkina 3, Moscow 119991, Russian Federation.
Linköping University, The Tema Institute, Department of Water and Environmental Studies. Linköping University, Faculty of Arts and Sciences.
2006 (English)In: Water Science and Technology, ISSN 0273-1223, E-ISSN 1996-9732, Vol. 53, no 8, 119-127 p.Article in journal (Refereed) Published
Abstract [en]

Experimental data from a study using a landfill simulation reactor were used to develop and calibrate a one-dimensional distributed model of co-digestion of municipal solid waste and three phthalic acid diesters with different water solubilities. The three diesters were diethyl phthalate, dibutyl phthalate, and di-2-ethylhexyl phthalate. Two types of municipal solid wastes were assumed, easily degradable and recalcitrant. The model considered inhibition of hydrolysis of the recalcitrant fraction and phthalic acid esters, and also methanogenesis at acidic pH. The results indicated that the prolonged steady-state concentrations of the diesters in the leachates could be explained by equilibrium between physicochemical desorption and sorption processes for the three diesters. When methanogenic conditions were induced in the acidogenic landfill simulation reactor, inhibition of both hydrolysis of recalcitrant MSW and of phthalic acid esters ceased.

Place, publisher, year, edition, pages
2006. Vol. 53, no 8, 119-127 p.
Keyword [en]
Biodegradation, Di-2-ethylhexyl phthalate, Dibutyl phthalate, Diethyl phthalate, Landfill modeling, Phthalates
National Category
Social Sciences
Identifiers
URN: urn:nbn:se:liu:diva-50074DOI: 10.2166/wst.2006.242OAI: oai:DiVA.org:liu-50074DiVA: diva2:270970
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12Bibliographically approved

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Jonsson, SusanneSvensson, Bo

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