Factors affecting the adsorptive removal of bisphenol A in landfill leachate by high silica Y-type zeolite
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- 作者：Xiaoqiang Chen ; Taku Fujiwara…
- 关键词：Bisphenol A ; High silica Y ; type zeolite ; Adsorption ; Humic acid ; Landfill leachate ; Affecting factor
- 刊名：Environmental Science and Pollution Research
- 出版年：2015
- 出版时间：February 2015
- 年：2015
- 卷：22
- 期：4
- 页码：2788-2799
- 全文大小：530 KB
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17. Fukahori S, Ichiura H, Kitaoka T, Tanaka H - 刊物类别：Earth and Environmental Science
- 刊物主题：Environment
Environment
Atmospheric Protection, Air Quality Control and Air Pollution
Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
Industrial Pollution Prevention - 出版者：Springer Berlin / Heidelberg
- ISSN：1614-7499
文摘
Although bisphenol A (BPA), a representative endocrine-disrupting compound, has been detected frequently in landfill leachate, effective technologies for BPA removal from landfill leachates are limited. We used high silica Y-type zeolite (HSZ-385) for the selective adsorption of BPA from landfill leachate, and factors affecting this adsorption are discussed. Higher removal efficiencies at pH 5.0-.0 imply that neutral BPA is adsorbed more easily onto HSZ-385 than monomeric or divalent BPA anions. An increase in ionic strength and sodium acetate concentration did not affect BPA adsorption significantly, while the removal efficiency decreased slightly when more than 50?mgC/L of humic acid was added. HSZ-385 was applied to synthetic leachates that simulate the composition of landfill leachate at various degradation stages. In young acidic leachates that contain sodium acetate, the use of HSZ-385 for the adsorptive removal of BPA appears to be more effective than in old alkaline leachates, which contain large amounts of humic acid. In addition, 82?% BPA removal was achieved from young raw leachates using HSZ-385, which demonstrates that selective BPA removal from actual landfill leachate has been achieved.