Biochar-supported zero-valent iron enhanced arsenic immobilization in a paddy soil: the role of soil organic matter

Shengsen Wang, Wenjing Li, Chengyu Ding,Jian Zhang,Ni Zhang,Yuncong C. Li,Bin Gao,Bing Wang,Xiaozhi Wang

Biochar（2024）

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摘要

Arsenic (As) detoxification in polluted soils by iron-based materials can be mediated by the endogenous soil organic matter (SOM), nevertheless the mechanisms remain unclear. Herein, endogenous SOM in a paddy soil was substantially removed to understand its roles on As immobilization by biochar-supported zero-valent iron (ZVI/BC). The results demonstrated that ZVI/BC application significantly decreased As bioavailability by 64.2

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关键词

Biochar-supported zero-valent iron,Arsenic transformation,As(V)-reducing bacteria,Soil organic matter,Paddy soil

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