Transport and transformation of heavy metals during earthworm composting process and the corresponding influencing factors

被引：0

作者：

Zhang, Qiang ^{[1
]}

Guo, Xiao-Ming ^{[1
]}

Yuan, Ming-Yang ^{[1
]}

Zhou, Lei-Qiang ^{[2
]}

Xu, Xiao-Tao ^{[3
]}

机构：

[1] Institute of Resources and Environment, Henan Polytechnic University, Jiaozuo,454000, China

[2] The Third Geological and Mineral Survey Institute, Henan Geological and Mineral Exploration and Development Bureau, Zhengzhou,450000, China

[3] Wuzhi Sub-Bureau of Ecological Environment Bureau of Jiaozuo City, Department of Ecology and Environment of Henan Province, Jiaozuo,454000, China

来源：

Zhongguo Huanjing Kexue/China Environmental Science | 2024年 / 44卷 / 04期

关键词：

Bioavailability - Calcium superphosphate - Composting process - Cow manure - Different mass - Different proportions - Earthworm composting - Livestock manure - Total content - Transport and transformation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In order to study the transport and transformation characteristics of heavy metals (HMs) during the process of earthworm composting, six groups of composting substrates were prepared by combining different proportions of cow manure (350~400g), straw (150~200g), and calcium superphosphate (25~75g), followed by addition of earthworms with different masses (50~150g). Changes in the total contents and occurrence forms of HMs (Cu, V, Mn, As, Zn, and Cr) in the substrate were investigated. In comparison to the treatment groups with addition of 50g and 100g earthworm, significantly lower contents (P © 2024 Chinese Society for Environmental Sciences. All rights reserved.

引用

页码：2166 / 2183

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