Control of mercury emissions from a municipal solid waste incinerator in japan

Masaki Takaoka, Nobuo Takeda, Fujiwara Takeshi, Masato Kurata, Kimura Tetsuo

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The control of Hg emissions from a municipal solid waste incinerator (MSWI) is very important, because more than 78% of municipal solid waste (MSW) is incinerated. The Hg content of coal used in utility boilers is relatively low in Japan. In this study, recent trends in the Hg content of MSW in Japan and activated carbon (AC) injection as a control technology of Hg emission from an MSWI are discussed.The effect of AC injection on Hg removal from flue gas in an MSWI was investigated by pilot-scale experiments using a bag filter (BF). The injection of AC increases the Hg reduction ratio by 20–30% compared with cases without AC injection. The Hg reduction ratio increases as the flue gastemperature decreases. The Hg reduction ratio is closely related to the inlet Hg concentration and was expressed with a Langmuir-type adsorption isotherm.

Original languageEnglish
Pages (from-to)931-940
Number of pages10
JournalJournal of the Air and Waste Management Association
Volume52
Issue number8
DOIs
Publication statusPublished - Aug 2002
Externally publishedYes

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Management, Monitoring, Policy and Law

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