Role of biochar on composting of organic wastes and remediation of contaminated soils-a review

Shaohua Wu^{1

2}, Huijun He^{1

2}, Xayanto Inthapanya^{1

2}, Chunping Yang^{3

4

5}, Li Lu⁶, Guangming Zeng^{1

2}, Zhenfeng Han^{1

2}

Affiliations

¹ College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China.
² Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China.
³ College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China. yangc@hnu.edu.cn.
⁴ Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China. yangc@hnu.edu.cn.
⁵ Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, People's Republic of China. yangc@hnu.edu.cn.
⁶ Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, People's Republic of China. LL0106@zjgsu.edu.cn.

PMID: 28551738
DOI: 10.1007/s11356-017-9168-1

Review

Role of biochar on composting of organic wastes and remediation of contaminated soils-a review

Shaohua Wu et al. Environ Sci Pollut Res Int. 2017 Jul.

. 2017 Jul;24(20):16560-16577.

doi: 10.1007/s11356-017-9168-1. Epub 2017 May 27.

Authors

Shaohua Wu^{1

2}, Huijun He^{1

2}, Xayanto Inthapanya^{1

2}, Chunping Yang^{3

4

5}, Li Lu⁶, Guangming Zeng^{1

2}, Zhenfeng Han^{1

2}

Affiliations

¹ College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China.
² Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China.
³ College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China. yangc@hnu.edu.cn.
⁴ Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China. yangc@hnu.edu.cn.
⁵ Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, People's Republic of China. yangc@hnu.edu.cn.
⁶ Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, College of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, People's Republic of China. LL0106@zjgsu.edu.cn.

PMID: 28551738
DOI: 10.1007/s11356-017-9168-1

Abstract

Biochar is produced by pyrolysis of biomass residues under limited oxygen conditions. In recent years, biochar as an amendment has received increasing attention on composting and soil remediation, due to its unique properties such as chemical recalcitrance, high porosity and sorption capacity, and large surface area. This paper provides an overview on the impact of biochar on the chemical characteristics (greenhouse gas emissions, nitrogen loss, decomposition and humification of organic matter) and microbial community structure during composting of organic wastes. This review also discusses the use of biochar for remediation of soils contaminated with organic pollutants and heavy metals as well as related mechanisms. Besides its aging, the effects of biochar on the environment fate and efficacy of pesticides deserve special attention. Moreover, the combined application of biochar and compost affects synergistically on soil remediation and plant growth. Future research needs are identified to ensure a wide application of biochar in composting and soil remediation. Graphical abstract ᅟ.

Keywords: Biochar; Composting; Heavy metal; Organic pollutant; Remediation; Soil.

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Role of biochar on composting of organic wastes and remediation of contaminated soils-a review

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Role of biochar on composting of organic wastes and remediation of contaminated soils-a review

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