期刊
BIORESOURCE TECHNOLOGY
卷 152, 期 -, 页码 457-463出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.11.039
关键词
Biosorption; Agaricus bisporus; Packed bed column; Modification; Industrial wastewater
资金
- Science and Technology Supportive Project of Sichuan Province, China [2013SZ0062]
- Science and Technology Supportive Project of Chengdu [12DXYB087JH-005]
- NSFC [J1103518]
Agaricus bisporus showed best performance in removing Pb(II) with a biosorption capacity of 86.4 mg g(-1) after modification with NaOH. In this work, the removal of Pb(II) from wastewater has been conducted in column mode. The metal removal was dependent on the flow rate, initial metal concentration, and bed height. The experimental data obtained from the biosorption process was successfully correlated with the Bohart-Adams, Thomas, and Yoon-Nelson models. Five biosorption-desorption cycles yielded 95.34%, 92.27%, 90.13%, 86.75%, and 81.52% regeneration, respectively. Pb(II) could be effectively removed from industrial wastewater; some metal ions and organics were also removed concomitantly, and the obtained effluent had characteristics of better quality. The results confirmed that modified A. bisporus could be applied for the removal of heavy metals from industrial wastewater in a continuous column process. (C) 2013 Elsevier Ltd. All rights reserved.
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