Municipal solid waste incineration (MSWI) fly ash washing pretreatment by biochemical effluent of landfill leachate : a potential substitute for water

Sulfate-rich biochemical effluent of landfill leachate (BEL) resulting from aged refuse bioreactor was employed to wash municipal solid waste incineration (MSWI) fly ash. The dechlorination ability of BEL was found to be nearly equivalent to redistilled water (RW), and the concentrations of lead (Pb...

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Publié dans:Environmental technology. - 1998. - 39(2018), 15 vom: 22. Aug., Seite 1949-1954
Auteur principal: Xu, Yunfeng (Auteur)
Autres auteurs: Fu, Yu, Xia, Wei, Zhang, Dan, An, Da, Qian, Guangren
Format: Article en ligne
Langue:English
Publié: 2018
Accès à la collection:Environmental technology
Sujets:Journal Article Landfill leachate MSWI fly ash TCLP dechlorination heavy metals Coal Ash Metals, Heavy Particulate Matter Solid Waste plus... Water Pollutants, Chemical Water 059QF0KO0R Carbon 7440-44-0
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520 |a Sulfate-rich biochemical effluent of landfill leachate (BEL) resulting from aged refuse bioreactor was employed to wash municipal solid waste incineration (MSWI) fly ash. The dechlorination ability of BEL was found to be nearly equivalent to redistilled water (RW), and the concentrations of lead (Pb) and zinc (Zn) in the washing solution resulting from the BEL washing process were lower than that of the RW washing process. Fourier transform infrared (FTIR) analysis indicated that the formation of calcium sulfate and hydroxides in fly ash after BEL washing and their entrapping function could significantly inhibit the leaching of Pb and Zn. Besides, toxicity characteristic leaching procedure (TCLP) tests showed that the BEL washing treatment did not increase the risk of heavy metals leaching from fly ash, and the leaching concentrations of Pb, Zn, copper (Cu) and cadmium (Cd) of BEL washed fly ash were lower than that of RW washed fly ash, which suggested BEL washing treatment could slightly immobilize heavy metals in fly ash. For MSWI fly ash dechlorination, our present results indicated that BEL used in this batch experiment could be a potential substitute for water 
650 4 |a Journal Article 
650 4 |a Landfill leachate 
650 4 |a MSWI fly ash 
650 4 |a TCLP 
650 4 |a dechlorination 
650 4 |a heavy metals 
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650 7 |a Metals, Heavy  |2 NLM 
650 7 |a Particulate Matter  |2 NLM 
650 7 |a Solid Waste  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a Water  |2 NLM 
650 7 |a 059QF0KO0R  |2 NLM 
650 7 |a Carbon  |2 NLM 
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700 1 |a Fu, Yu  |e verfasserin  |4 aut 
700 1 |a Xia, Wei  |e verfasserin  |4 aut 
700 1 |a Zhang, Dan  |e verfasserin  |4 aut 
700 1 |a An, Da  |e verfasserin  |4 aut 
700 1 |a Qian, Guangren  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1998  |g 39(2018), 15 vom: 22. Aug., Seite 1949-1954  |w (DE-627)NLM098202545  |x 1479-487X  |7 nnns 
773 1 8 |g volume:39  |g year:2018  |g number:15  |g day:22  |g month:08  |g pages:1949-1954 
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