Hydrothermal carbonization aqueous phase promotes nutrient retention and humic substance formation during aerobic composting of chicken manure
文献类型： 外文期刊
作者： Sun, Haijun 1 ; Chen, Sen 1 ; Zhu, Ning 2 ; Jeyakumar, Paramsothy 3 ; Wang, Jixiang 2 ; Xie, Wenping 4 ; Feng, Yanfang 2 ;
作者机构： 1.Nanjing Forestry Univ, Coll Forestry, Coinnovat Ctr Sustainable Forestry Southern China, Nanjing 210037, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Key Lab Agroenvironm Downstream Yangtze Plain, Nanjing 210014, Peoples R China
3.Massey Univ, Environm Sci Sch Agr & Environm, Palmerston North 4442, New Zealand
4.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Peoples R China
5.71 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
关键词： Biomass recycle; Compost fertility; DOM; Humic acid; Poultry manure
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：11.4； 五年影响因子：10.6 ）
ISSN： 0960-8524
年卷期： 2023 年 385 卷
页码：
收录情况： SCI
摘要： The aqueous phase (AP) of hydrothermal carbonization is rich in humic substances (HSs), which could influence the poultry manure composting process and the product quality. Here, raw AP and its modified product (MAP) with different nitrogen (N) contents were added into chicken manure composting at low (5%) or high (10%) rate. Results showed that all APs addition decreased the temperature and pH but AP-10% increased total N, HSs, and humic acid (HA) of compost by 12%, 18% and 27%, respectively. MAP applications increased the total phosphorus by 8-9% and MAP-10% enhanced the total potussium content by 20%. Additionally, both AP and MAP additions increased the contents of three major components of dissolved organic matter by 20-64%. In conclusion, both AP and MAP can generally improve the chicken manure compost quality, which provides a new idea for the recycling of APs derived from agro-forestry wastes during hydrothermal carbonization.
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