An Investigation on Cocombustion Behaviors of Hydrothermally Treated Municipal Solid Waste with Coal Using a Drop-Tube Reactor | Zendy

Liang Lü | Zendy; Yuqi Jin | Zendy; Masato Nakamura | Zendy; Marco J. Castaldi | Zendy; Kunio Yoshikawa | Zendy

Open Access

An Investigation on Cocombustion Behaviors of Hydrothermally Treated Municipal Solid Waste with Coal Using a Drop-Tube Reactor

Author(s) -

Liang Lü,

Yuqi Jin,

Masato Nakamura,

Marco J. Castaldi,

Kunio Yoshikawa

Publication year - 2012

Publication title -

journal of combustion

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.45

H-Index - 18

eISSN - 2090-1968

pISSN - 2090-1976

DOI - 10.1155/2012/282851

Subject(s) - combustion , coal , materials science , tube furnace , municipal solid waste , waste management , moisture , drop (telecommunication) , environmental science , chemical engineering , pulp and paper industry , chemistry , composite material , organic chemistry , engineering , mechanical engineering

This work aims at demonstrating the feasibility of replacing Indonesian coal (INC) with hydrothermally treated municipal solid waste (MSWH) in cocombustion with high ash Indian coal (IC). The combustion efficiencies and emissions (CO, NO) of MSWH, INC and their blends with IC for a series of tests performed under a range of temperatures and air conditions were tested in a drop-tube reactor (DTR). The results showed the following. The combustion efficiency of IC was increased by blending both MSWH and INC and CO emission was reduced with increasing temperature. For NO emission, the blending of MSWH led to the increase of NO concentration whereas the effects of INC depended on the temperature. The combustion behaviors of IC-MSWH blend were comparable to those of the IC-INC blend indicating it is possible for MSWH to become a good substitute for INC supporting IC combustion. Moreover, the CO emission fell while the NO emission rose with increasing excess air for IC-MSWH blend at 900°C and the highest combustion efficiency was obtained at the excess air of 1.9. The existence of moisture in the cocombustion system of IC-MSWH blend could slightly improve the combustion efficiency, reduce CO, and increase NO

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