Journal
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume 10, Issue 5, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2022.108475
Keywords
SO2; Fenton/CaO; Optimization; Biomass; MSS; Combustion
Categories
Funding
- National Natural Science Program of China [21406023]
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This research investigated the effects of rice husk and sludge on SO2 release during combustion and found optimal control conditions through response surface methodology. These findings can contribute to the improvement of SO2 control technology in MSS combustion.
SO2 emissions from MSS combustion raise air purifying costs and environmental pollution. Molding pellets made from Fenton/CaO-conditioned MSS and rice husk (RH) were burned in a tube furnace. This research investigated the effects of RH/sludge mixing ratio, Fenton/CaO dosage, and burning temperature on SO2 release from molding fuel combustion. The synergistic effects of conditioning MSS and rice husk in combustion were fully analyzed. Optimal conditions for minimum SO(2 )had been obtained through Response surface methodology (RSM) analysis. Experiments indicated that RH lowered SO2 production, and MSS and RH had synergistic effects on SO2 release in combustion. The production of SO2 and the rate of fuel-S conversion both increased as com-bustion temperature rose. Increasing Fenton/CaO dosage could lower SO(2 )emissions and S conversion. RSM optimization outcomes were as follows: 67.9% RH, 165.1 mg/g Fenton/CaO conditioner, 801 ? combustion temperature, and the minimum SO2 output is 0.663 mg/g. These findings can advance SO2 control technology of MSS combustion.
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