期刊
BIORESOURCE TECHNOLOGY
卷 248, 期 -, 页码 13-19出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.07.050
关键词
Biochar; Nitrification; Nitrogen; Struvite; Zeolite
资金
- National Natural Science Foundation of China [21607094]
- Natural Science Foundation of Shandong Province [ZR2016BQ29]
Composting is a reliable technology to treat food waste (FW) and produce high quality compost. The ammonia (NH3) emission accounts for the largest nitrogen loss and leads to various environmental impacts. This review introduced the recent progresses on NH3 mitigation in FW composting. The basic characteristics of FW from various sources were given. Seven NH3 emission strategies proven effective in the literature were presented. The links between these strategies and the mechanisms of NH3 production were addressed. Application of hydrothermally treated C rich substrates, biochar or struvite salts had a broad prospect in FW composting if these strategies were proven cost-effective enough. Regulation of nitrogen assimilation and nitrification using biological additive had the potential to achieve NH3 mitigation but the existing evidence was not enough. In the end, the future prospects highlighted four research topics that needed further investigation to improve NH3 mitigation and nitrogen conservation in FW composting. (C) 2017 Elsevier Ltd. All rights reserved.
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