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Advances in Chemical Pollution, Environmental Management and Protection
Volume 7, 2021, Pages 263-294

Structure and function of biochar in remediation and as carrier of microbes

Kim Yrjäläa,c, Eglantina Lopez-Echarteab

Zhejiang A & F University, State Key Laboratory of Subtropical Silviculture, Hangzhou, Zhejiang, China.

Abstract

Degradation of land and contamination of soils with environmental pollutants is a continuous threat to the wellbeing of man and the environment. Prevention of pollution is still not priority and cost-effective means of cleaning up contaminated land and water are much in demand. Many technological means are available for cleanup, but usually they are very costly and intended remediation tends to be postponed due to lack of funds. New nature-based materials are appearing that should be cost-effective in remediation but need practical development since they require extra knowledge about structure-function relations. In situ or on-site bioremediation can be implemented using plants and associated beneficial microbes. The development of biochars for use in environmental remediation is emerging for both inorganic and organic pollutants and their combination with phytoremediation is a good opportunity. This chapter presents the current knowledge in the area of sustainable remediation and discuss the possibilities of using biochar as a carrier of remedial microbes.

Keywords: Phytoremediation, Bacterial immobilization, Pyrolysis, Biochar structure, Heavy metals, Organic contaminants.

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