Influence of biochar on volatile fatty acids accumulation and microbial community succession during biosolids composting

被引：65

作者：

Awasthi, Mukesh Kumar ^{[1
,2
]}

Awasthi, Sanjeev Kumar ^{[1
]}

Wang, Quan ^{[1
]}

Wang, Zhen ^{[1
]}

Lahori, Altaf Hussain ^{[1
]}

Ren, Xiuna ^{[1
]}

Chen, Hongyu ^{[1
]}

Wang, Meijing ^{[1
]}

Zhao, Junchao ^{[1
]}

Zhang, Zengqiang ^{[1
]}

机构：

[1] Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China

[2] Amicable Knowledge Solut Univ, Dept Biotechnol, Satna, India

来源：

BIORESOURCE TECHNOLOGY | 2018年 / 251卷

基金：

中国国家自然科学基金;

关键词：

Volatile fatty acids; Odour index; Physicochemical; Total bacterial abundance; Gaseous emission; ORGANIC-MATTER DEGRADATION; NUTRIENT-RICH COMPOST; FOOD WASTE; SEWAGE-SLUDGE; HEAVY-METALS; NITROGEN CONSERVATION; CRITICAL COMPONENTS; AMENDMENT; MANURE; ODOR;

D O I：

10.1016/j.biortech.2017.12.037

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The impact of biochar amendment on volatile fatty acids (VFAs) and odor generation during the biosolids-wheat straw composting was investigated. Five treatments were design using the same mixture of biosolids-wheat straw with different dosage of biochar blending (2%, 4%, 8% and 12% on dry weight basis) and without biochar applied treatment served as control. The results of VFAs and Odour Index (OI) profile designated that compost with 8-12% biochar became more rapidly humified with less quantity of VFAs and OI generation content compared to control. Consequently, the VFAs degrading and total bacterial abundance are also significantly higher recorded in 8-12% biochar than 2% biochar and control. In addition, 8-12% biochar applied treatment has significantly maximum close correlation among the all physicochemical and gaseous emission parameters. Finally, results designated that higher dosage of biochar (8-12% biochar) was more feasible approach for biosolids composting.

引用

页码：158 / 164

页数：7

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