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National Chung Hsing University Institutional Repository - NCHUIR > 農業暨自然資源學院 > 水土保持學系 > 依資料類型分類 > 期刊論文 >  Biostabilization assessment of MSW co-disposed with MSWI fly ash in anaerobic bioreactors

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/130348

標題: Biostabilization assessment of MSW co-disposed with MSWI fly ash in anaerobic bioreactors
作者: Lo, H.M.;Liu, M.H.;Pai, T.Y.;Liu, W.F.;Lin, C.Y.;Wang, S.C.;Banks, C.J.;Hung, C.H.;Chiang, C.F.;Lin, K.C.;Chen, P.H.;Chen, J.K.;Chiu, H.Y.;Su, M.H.;Kurniawan, T.A.;Wu, K.C.;Hsieh, C.Y.;Hsu, H.S.
關鍵字: MsW;MSWI fly ash;Anaerobic digestion;Landfill;Gas production;municipal solid-waste;acid-neutralizing capacity;sewage-sludge;heavy-metals;bottom ash;residues;digestion;requirements;extraction;strategies
日期: 2009
Issue Date: 2012-12-07 15:54:07 (UTC+8)
關連: Journal of Hazardous Materials, Volume 162, Issue 2-3, Page(s) 1233-1242.
摘要: Municipal solid waste incinerator (MSWI) fly ash has been examined for possible use as landfill interim cover. For this aim, three anaerobic bioreactors, 1.2 in high and 0.2 m in diameter, were used to assess the co-digestion or co-disposal performance of MSW and MSWI fly ash. Two bioreactors contained ratios of 10 and 20 g fly ash per liter of MSW (or 0.2 and 0.4 gg(-1) VS, that is, 0.2 and 0.4 g fly ash per gram volatile solids (VS) of MSW). The remaining bioreactor was used as control, without fly ash addition. The results showed that gas production rate was enhanced by the appropriate addition of MSWI fly ash, with a rate of similar to 6.51 day(-1) kg(-1) VS at peak production in the ash-added bioreactors, compared to similar to 41 day(-1) kg(-1) VS in control. Conductivity, alkali metals and VS in leachate were higher in the fly ash-added bioreactors compared to control. The results show that MSW decomposition was maintained throughout at near-neutral pH and might be improved by release of alkali and trace metals from fly ash. Heavy metals exerted no inhibitory effect on MSW digestion in all three bioreactors. These phenomena indicate that proper amounts of MSWI fly ash, co-disposed or co-digested with MSW, could facilitate bacterial activity, digestion efficiency and gas production rates. (C) 2008 Elsevier B.V. All rights reserved.
Relation: Journal of Hazardous Materials
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 林昭遠
[依教師分類] 洪俊雄
[依教師分類] 林昭遠

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