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Comparative evaluation of processes for heavy metal removal from municipal solid waste incineration fly ash
引用本文:Masafumi Tate,Michihiko Ike,Masanori Fujita. Comparative evaluation of processes for heavy metal removal from municipal solid waste incineration fly ash[J]. 环境科学学报(英文版), 1998, 10(4): 458-465
作者姓名:Masafumi Tate  Michihiko Ike  Masanori Fujita
作者单位:Masafumi Tateda *,Michihiko Ike,Masanori Fujita Department of Environmental Engineering,Osaka University,Japan
摘    要:1IntroductionIthasbeenreportedthatmunicipalsolidwasteincinerationflyash(MSWFA)containsconsiderableamountsofheavymetals(Berg,1...

关 键 词:municipal solid waste  incineration fly ash  heavy metal removal process  process evaluation.
收稿时间:1997-11-20
修稿时间:1997-12-15

Comparative evaluation of processes for heavy metal removal from municipal solid waste incineration fly ash
Masafumi Tateda ,Michihiko Ike,Masanori Fujita. Comparative evaluation of processes for heavy metal removal from municipal solid waste incineration fly ash[J]. Journal of environmental sciences (China), 1998, 10(4): 458-465
Authors:Masafumi Tateda   Michihiko Ike  Masanori Fujita
Affiliation:Masafumi Tateda *,Michihiko Ike,Masanori Fujita Department of Environmental Engineering,Osaka University,Japan
Abstract:Hydrochloric acid leaching, chloride evaporation, acetic acid leaching, and biological leaching were evaluated and compared as processes of heavy metal removal for municipal solid waste incineration fly ash(MSWFA). Six factors, namely, energy consumption, process efficiency, process handling, process cost estimation, cost reduction potential, and study progress, were used in order to find out their advantages and disadvantages and to help develop a better recovery process of heavy metals from MSWFA in terms of treatment of the waste material. Hydrochloric acid leaching process was found to be most balanced among the evaluated processes. It showed superiority on energy consumption, process cost estimation, and study progress. On the other hand, despite of its excellency in process efficiency, chloride evaporation process was most unfavorable mainly due to heavy energy dependence. Biological process, with huge potential of cost reduction, was concluded to be the second best process.
Keywords:municipal solid waste  incineration fly ash  heavy metal removal process  process evaluation.
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