热解法处理重金属超富集植物的研究进展  

Research Progress of Pyrolysis Treatment Method of Heavy Metal Hyperaccumulators

作　　者：胡嘉伟 仲玉杰 马睿 林少华[1] HU Jiawei;ZHONG Yujie;MA Rui;LIN Shaohua(College of Civil Engineering,Nanjing Forestry University,Nanjing 210037,China)

机构地区：[1]南京林业大学土木工程学院,江苏南京210037

出　　处：《化工技术与开发》2022年第8期74-80,共7页Technology & Development of Chemical Industry

基　　金：国家重点研发计划课题(2017YFC0505803);南京林业大学大学生实践创新训练计划项目(2021NFUSPITP0210)。

摘　　要：植物修复技术是处理重金属污染土壤的重要手段,但是重金属超富集植物的处置,已成为亟待解决的问题。本文介绍了重金属超富集植物后处理中的热解技术,着重介绍了热解法的优势,热解温度、反应时间、添加剂等因素对热处理中重金属迁移特性的影响,以及含重金属的生物炭的应用。指出未来重金属超富集植物热解法的研究方向,应该是研究热解条件对重金属形态的影响,开发多种产物的回收和处置技术装备,对热解后的不同产物中的重金属进行回收与利用等。Phytoremediation technology was an important means to remediate heavy metal contaminated soil,however,the postnatal treatment/disposal of the hyperaccumulators after soil remediation became an urgent problem.This paper mainly introduced the pyrolysis technology of the treatment/disposal of hyperaccumulators.included the advantages of pyrolysis,the effects of pyrolysis temperature,reaction time and additives on the migration characteristics of heavy metals during heat treatment,and the application of the pyrocarbons containing heavy metals.In addition,a future research prospects regarding to the main research areas of pyrolysis treatment method of the hyperaccumulators were also proposed.These areas included:(1) the effects of pyrolysis conditions on the heavy metals speciation;(2) the development of technology and equipment for the recovery and disposal of various products;(3) the recovery and utilization of heavy metals in different products after pyrolysis.

关 键 词：重金属 超富集植物 热解法 生物炭应用 

分 类 号：X173[环境科学与工程—环境科学]