颜瑾^1,2,,
李燕¹,
熊仁²,
马嘉伟²,
肖本益²,
刘俊新²,
郭雪松²,
刘越³
1.中国矿业大学环境与测绘学院，徐州 221116
2.中国科学院生态环境研究中心，北京 100085
3.北京清流技术股份有限公司，北京100073
基金项目: 中国科学院科技服务网络计划（KFJ-STS-ZDTP-014）

Mixture ratio optimization of different organic solid waste co-composting in rural areas

YAN Jin^1,2,,
LI Yan¹,
XIONG Ren²,
MA Jiawei²,
XIAO Benyi²,
LIU Junxin²,
GUO Xuesong²,
LIU Yue³
1.School of Environment Science and Spatial Informatics,China University of Mining and Technology, Xuzhou 221116, China
2.Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
3.Beijing Qingliu Technology Limited Liability Company, Beijing 100073, China

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摘要:为寻求3种农村有机固体废弃物(农村污泥、人粪便、生活垃圾)的最适堆肥配比组合，采用混料设计，分别进行了14组堆肥实验，以WSC/WSN(溶解性碳氮比)、WSCorg(溶解性有机碳)、T(终点C/N与初始C/N的比值)、k(有机质降解速率)作为混合堆肥腐熟程度的判别指标进行响应面分析。结果表明：将三者进行混合堆肥，可有效解决它们单独堆肥时存在的溶解性碳素过高和堆肥进程较慢的问题。堆肥效果相对较优的配比组合（干重比）为生活垃圾27%～45%、人粪便38%～70%和农村污泥0%～27%。在该区间内，堆肥产品WSCorg、WSC/WSN、T和k分别为7.57～8.78?mg·g-1、4.97～6.07、0.43～0.48、0.10～0.12?d-1，达到腐熟标准。
关键词: 农村污泥/
人粪便/
生活垃圾/
混合堆肥/
响应面分析

Abstract:There were 14 compost tests designed by mixture design and conducted to find out the optimal composting mixture ratio of rural sludge, human excrement and domestic waste. Based on the response surface analysis, the important parameters e.g. WSC/WSN(water-soluble carbon to water-soluble nitrogen), WSCorg (water-soluble organic carbon), T (the ratio of final C/N to initial C/N), and k (degradation rate of organic matter) were used to judge the co-compost maturity of the rural solid wastes. The results showed that the co-compost of the three wastes could effectively solve the problems of high dissolved carbon and slow degradation rate in the mono-compost. The composting products reached the maturity standard when raw material consisted of 27% to 45% of domestic waste, 0% to 27% of rural sludge and 38% to 70% of human waste (dry weight). The optimal ranges of the parameters (WSCorg, WSC/WSN, T and k) were 7.57 to 8.78 mg·g-1,4.97 to 6.07,0.43 to 0.48 and 0.10 to 0.12?d-1, respectively.
Key words:rural sludge/
human excrement/
domestic waste/
co-composting/
response surface analysis.

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刊出日期:2018-07-26

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农村不同类型有机固体废弃物混合堆肥配比优化

颜瑾^1,2,,
李燕¹,
熊仁²,
马嘉伟²,
肖本益²,
刘俊新²,
郭雪松²,
刘越³
1.中国矿业大学环境与测绘学院，徐州 221116
2.中国科学院生态环境研究中心，北京 100085
3.北京清流技术股份有限公司，北京100073
基金项目: 中国科学院科技服务网络计划（KFJ-STS-ZDTP-014）
关键词: 农村污泥/
人粪便/
生活垃圾/
混合堆肥/
响应面分析
摘要:为寻求3种农村有机固体废弃物(农村污泥、人粪便、生活垃圾)的最适堆肥配比组合，采用混料设计，分别进行了14组堆肥实验，以WSC/WSN(溶解性碳氮比)、WSCorg(溶解性有机碳)、T(终点C/N与初始C/N的比值)、k(有机质降解速率)作为混合堆肥腐熟程度的判别指标进行响应面分析。结果表明：将三者进行混合堆肥，可有效解决它们单独堆肥时存在的溶解性碳素过高和堆肥进程较慢的问题。堆肥效果相对较优的配比组合（干重比）为生活垃圾27%～45%、人粪便38%～70%和农村污泥0%～27%。在该区间内，堆肥产品WSCorg、WSC/WSN、T和k分别为7.57～8.78?mg·g-1、4.97～6.07、0.43～0.48、0.10～0.12?d-1，达到腐熟标准。

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