Effects of blending hydrothermally treated municipal solid waste with coal on co-combustion characteristics in a lab-scale fluidized bed reactor

Yuqi Jin, Liang Lu, Xiaojun Ma, Hongmei Liu, Yong Chi and Kunio Yoshikawa

Applied Energy, 2013, vol. 102, issue C, 563-570

Abstract: Experiments on co-combustion of municipal solid waste (MSW) and coal were conducted in a bubbling fluidized bed (BFB). The MSW sample was pretreated through hydrothermal treatment (HT) for obtaining uniform characteristics. MSW blending ratios as 10%, 20%, 30% and 50% were selected and tested at 700, 800, 900°C to verify to which extent coal can be substituted with HT MSW in terms of emissions and unburnt carbon (UC) in fly ash (FA). The results obtained in this study showed that the lowest CO and NO emissions were found at 20% and 30% HT MSW blending respectively. Moreover, the SO2 emissions decreased with the HT MSW addition and the HCl emissions were below 5ppm. Furthermore, the UC contents decreased at the mixing ratio below 30% at low temperature. Positive synergistic relationships were identified and it is possible to accept 30% MSW combustion in a coal-fired BFB reactor.

Keywords: Municipal solid waste; Coal; Blending ratio; Co-combustion; Bubbling fluidized bed (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:102:y:2013:i:c:p:563-570

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DOI: 10.1016/j.apenergy.2012.08.026

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