Impact of MSWI Bottom Ash Codisposed with MSW on Landfill Stabilization with Different Operational Modes | Zendy

Wenbing Li | Zendy; Jun Yao | Zendy; Zaffar Malik | Zendy; Gendi Zhou | Zendy; Ming Dong | Zendy; Dongsheng Shen | Zendy

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Impact of MSWI Bottom Ash Codisposed with MSW on Landfill Stabilization with Different Operational Modes

Author(s) -

Wenbing Li,

Jun Yao,

Zaffar Malik,

Gendi Zhou,

Ming Dong,

Dongsheng Shen

Publication year - 2014

Publication title -

biomed research international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.772

H-Index - 126

eISSN - 2314-6141

pISSN - 2314-6133

DOI - 10.1155/2014/167197

Subject(s) - leachate , municipal solid waste , environmental science , bottom ash , waste management , organic matter , incineration , incinerator bottom ash , environmental chemistry , chemistry , fly ash , organic chemistry , engineering

The aim of the study was to investigate the impact of municipal solid waste incinerator (MSWI) bottom ash (BA) codisposed with municipal solid waste (MSW) on landfill stabilization according to the leachate quality in terms of organic matter and nitrogen contents. Six simulated landfills, that is, three conventional and three recirculated, were employed with different ratios of MSWI BA to MSW. The results depicted that, after 275-day operation, the ratio of MSWI BA to fresh refuse of 1 : 10 (V : V) in the landfill was still not enough to provide sufficient acid-neutralizing capacity for a high organic matter composition of MSW over 45.5% (w/w), while the ratio of MSWI BA to fresh refuse of 1 : 5 (V : V) could act on it. Among the six experimental landfills, leachate quality only was improved in the landfill operated with the BA addition (the ratio of MSWI BA to fresh refuse of 1 : 5 (V : V)) and leachate recirculation.

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