Chemodynamics, transport behaviour and treatment of phthalic acid esters in municipal landfill leachates

被引：28

作者：

Bauer, MJ ^{[1
]}

Herrmann, R ^{[1
]}

Martin, A ^{[1
]}

Zellmann, H ^{[1
]}

机构：

[1] Univ Bayreuth, Chair Hydrol, D-95440 Bayreuth, Germany

来源：

WATER SCIENCE AND TECHNOLOGY | 1998年 / 38卷 / 02期

关键词：

phthalic acid esters; landfill; municipal solid waste; degradation; solubilization; treatment; transport;

D O I：

10.2166/wst.1998.0135

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Large amounts of phthalic acid esters (PAEs) are leached from plastics dumped at municipal landfills. This leachate transports PAEs either adsorbed on particulate matter or in dissolved phase. Dissolved organic macromolecules, mainly humic-like substances, enhance the solubility of,PAEs. In the biochemical environments of municipal landfills short chain PAEs can be degraded by base-catalyzed hydrolysis or by microorganisms which enzymatically split the side chains. However, there is no cleavage of the aromatic ring. Long chain PAEs like di-(2-ethylhexyl) phthalate are neither degraded abiotically nor by microorganisms. Hence, these PAEs can be leached and washed out of leaky landfills into the groundwater and thus continue to be a threat to the aquatic environment Only a combined UV radiation/ozanation treatment is capable of fully destroying PAEs. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：185 / 192

页数：8

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