Biodrying was firstly used for post-treatment of anaerobically digested sludge.
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The contribution of the substrates to the heat was analyzed by thermal analysis.
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Microbial community succession was investigated by 454 pyrosequencing technique.
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The ADS mixed with the bulking agent for biodrying gained the desired performance.
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The biodegradation of bulking agent played a key role in the ADS biodrying process