Adsorption Performance and Environmental Application Evaluation of Biochar for Neonicotinoid Pesticides
With the development of agricultural modernization,many pesticides have been applied to fields.The extensive and high-dose use of pesticides has produced serious toxic effects on organisms,resulting in serious soil and water pollution.The problem of pesticide pollution is becoming more and more serious.Therefore,economic and effective remediation technology of pesticide-contaminated soil is urgently needed.Biochar has the characteristics of large specific surface area,high porosity and strong adsorption capacity,which can adsorb pesticides in polluted soil and improve soil conditions.It is a kind of biomaterial with broad development prospects.In recent years,people have improved the physical and chemical properties and adsorption properties of biochar by preparing modified biochar,which has opened up a new way for the application of biochar.In this paper,the characteristics of biochar,the harm of neonicotinoid pesticides and the adsorption of neonicotinoid pesticides by biocharare reviewed.At the same time,the reproduction methods of biocharare summarized.The summary can provide some reference and guidance for repairing the pollution of neonicotinoid pesticides,hoping to reduce the pollution of neonicotinoid pesticides in soil environment.In addition,by comparing the methods of biochar regeneration,it provides a reference for choosing an economical,effective and simple application of biochar regeneration in the future.
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