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湖泊污染底泥生物炭原位修复技术研究综述

Review on in-situ remediation technology of lake polluted sediment using biochar
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摘要 生物炭由于具有发达的孔隙结构以及表面富含多种官能团,对各种污染物均具有较好的吸附效果,在湖泊底泥污染原位修复中展现巨大的应用潜力,成为目前的研究热点。文章总结了生物炭的种类和制备方法,介绍了几种原材料在不同温度下制备生物炭的情况;对比了物理改性、化学改性、生物改性3种改性方式的优缺点;阐明了生物炭在修复湖泊底泥污染时对重金属、有机污染物吸附的机理,并从生物炭对湖泊底泥环境生物的影响进行综述,最后对生物炭应用于湖泊底泥污染修复的发展进行展望。 Due to its well-developed pore structure and rich surface functional groups,biochar has good adsorption effects on various pollutants,demonstrating enormous application potential in in-situ remediation of lake sediment pollution,and has become a current research hotspot.This paper summarizes the types and preparation methods of biochar,and introduces the preparation of biochar using several raw materials at different temperatures.The advantages and disadvantages of physical modification,chemical modification,and biological modification were compared.The mechanism of adsorption of heavy metals and organic pollutants by biochar in the remediation of lake sediment pollution was expounded,the effects of biochar on the environmental biology of lake sediment was reviewed.Finally,the development of biochar's application in the remediation of lake sediment pollution was prospected.
作者 张洋 冯立辉 李世汩 ZHANG Yang;FENG Li-hui;LI Shi-mi(CCCC Second Harbor Engineering Co.,Ltd.,Wuhan,Hubei 430040,China;CCCC Highway Bridge National Engineering Research Centre Co.,Ltd.,Beijing 100120,China)
出处 《中国港湾建设》 2023年第11期6-11,共6页 China Harbour Engineering
基金 国家重点研发计划(2022YFC3204305)。
关键词 生物炭 底泥 改性 微生物 biochar sediment modification microorganisms
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