Hyperthermophilic pretreatment composting can reduce ammonia emissions by controlling proteolytic bacterial community and the physicochemical properties

Abstract

•	Hyperthermophilic pretreatment composting (HPC) resulted in lower NH3 emissions .
•	This is attributed to the decline in proteolytic bacteria and protease activity.
•	Proteolytic bacteria was controlled by physicochemical properties in HPC.

Keywords

Hyperthermophilic pretreatment composting / NH₃ mitigation / The sub and npr proteolytic bacterial community / Protease activity

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Funding

Natural Science Foundation of Jiangsu Province(BK20191111)

the National Key Research and Development Program of China(2017YFD0801403)

the Yafu Technology Service Project(KF(21)2015)

the China Postdoctoral Science Foundation(2017M621666)