Environmental Life Cycle Assessments of Chicken Manure Compost Using Tobacco Residue, Mushroom Bran, and Biochar as Additives

Bangxi Zhang, Tianhong Fu, Chung-Yu Guan, Shihao Cui, Beibei Fan, Yi Tan, Wenhai Luo, Quanquan Wei, Guoxue Li and Yutao Peng
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Bangxi Zhang: Soil and Fertilizer Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
Tianhong Fu: School of Pharmacy, Zunyi Medical University, Zunyi 563006, China
Chung-Yu Guan: Department of Environmental Engineering, National Ilan University, Yilan 260, Taiwan
Shihao Cui: Beijing Key Laboratory of Farmyard Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
Beibei Fan: Beijing Key Laboratory of Farmyard Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
Yi Tan: Beijing Key Laboratory of Farmyard Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
Wenhai Luo: Beijing Key Laboratory of Farmyard Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
Quanquan Wei: Soil and Fertilizer Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
Guoxue Li: Beijing Key Laboratory of Farmyard Soil Pollution Prevention-Control and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
Yutao Peng: School of Agriculture, Sun Yat-sen University, Shenzhen 518107, China

Sustainability, 2022, vol. 14, issue 9, 1-10

Abstract: As an environmental management method, the (life cycle assessment) LCA method can be used to compare the differences between various waste treatment processes in order to provide an environmentally friendly and economically feasible method for waste management. This study focused on the reutilization of typical organic waste to produce organic fertilizer in southwest China and used the life cycle assessment method to evaluate three aerobic chicken manure composting scenarios modified with three additives (biochar, mushroom bran, and tobacco residue) from an environmental and economic perspective. The results show that the total environmental loads of the optimized treatments using mushroom bran and biochar mixed with mushroom bran as additives were reduced by 30.0% and 35.1%, respectively, compared to the control treatment (viz. chicken manure composted with tobacco residue). Compared to the control treatment, the optimized composting treatment modified by mushroom bran with and without biochar improved the profit by 23.9% and 35.4%, respectively. This work reflected that the combined composting mode of chicken manure, tobacco residue, mushroom bran, and biochar is an environmentally friendly and economically feasible composting process, which is more suitable for the resource utilization of the typical organic waste in southwest China.

Keywords: life cycle assessments; organic waste; compost; biochar; tobacco residue; mushroom bran (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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