期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 720, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.137365
关键词
Sewage sludge; Biomass; TGA analysis; Pollutant emission characteristics
资金
- Shaanxi Key RD Project [2018ZDXM-SF-033]
- National Natural Science Foundation Project [51606144]
- Shaanxi Innovation Talents Promotion Project [2019KJXX-042]
The combustion and emission characteristics of sludge, biomass (rice husk, peanut husk, pine sawdust) and their blends were studied by non-isothermal thermogravimetry, tube oven method and SEM. The results showed that the combustion process of sludge, biomass and their blends could be divided into three stages: the evaporation of water, the release and combustion of volatile, combustion of char. Combustion characteristics of 80% biomass +20% sludge were improved compared with the theoretical value. NOx and SO2 emission of 80% biomass +20% sludge was lower than that of sludge combustion. There was synergistic effect between sludge/biomass combustion. Comparing combustion and emission characteristics comprehensively, the mixed fuels of 80% biomass +20% sludge could promote combustion and reduce emissions, which was a better method to treat municipal sludge. (C) 2020 Elsevier B.V. All rights reserved.
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