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Electric heating promotes sludge composting process: Optimization of heating method through machine learning algorithms
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DOI：10.1016/j.biortech.2023.129177.png)
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Composting with electric heating has attracted extensive attention for the advantage of high treatment efficiency for sludge. However, there are challenges in investigating how electric heating affects the composting process and how to reduce its energy consumption. This study investigated the effects of different electric heating methods on composting. The highest temperature, water content reduction, organic matter reduction, and weight reduction rate in group B6 (heating in the first and second stages) were 76.00 degrees C, 16.76 %, 4.90 %, and 35.45 %, respectively, indicating that electric heating promoted water evaporation and organic matter degra-dation. In conclusion, electric heating promoted the sludge composting process and the heating method of group B6 was optimal for composting characteristics. This work contributes to the understanding of the mechanism of electric heating promoting composting process and providing theoretical support for the engineering application of composting with electric heating.
Keyword:
Organic matter
Composting temperature
Energy consumption ratio
Least squares model
Microbial community
期刊
IF:
9
论文数:
3.3W
被引数:
17.3W
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