热解条件对污泥中重金属形态分布的影响综述  

Review of the effect of pyrolysis conditions on the speciation distribution of heavy metals in sludge

作　　者：李昊宇 李金灵[1,2] 李彦 拓震宇[1] 隽均科 鱼涛 杨博 屈撑囤 LI Hao-yu;LI Jin-ling;LI Yan;TA Zhen-yu;SUAN Jun-ke;YU Tao;YANG Bo;QU Cheng-tun(College of Chemistry and Chemical Engineering,Xi’an Shiyou University,Xi’an 710065,China;Shaanxi Key Laboratory of Environmental Pollution Control Technology and Reservoir Protection of Oilfield,Xi’an 710065,China;Xi’an Aerospace Propulsion Institute,Xi’an 710100,China)

机构地区：[1]西安石油大学化学化工学院,陕西西安710065 [2]陕西省油气田环境污染控制技术与储层保护重点实验室,陕西西安710065 [3]西安航天动力研究所,陕西西安710100

出　　处：《应用化工》2022年第10期2991-2996,3000,共7页Applied Chemical Industry

基　　金：国家自然科学基金(21808182);陕西省重点研发计划项目(2022SF-045);陕西省教育厅重点实验室科研计划项目(18JS088);西安市科技计划项目(2020KJRC0098);西安石油大学大学生创新创业训练计划项目(S202110705123)。

摘　　要：简述了目前重金属的检测、分类和处理方法,基于BCR逐级提取法的形态分类,重点总结热解温度、热解时间、加热速率、添加剂和原料性质等热解条件对污泥中重金属形态分布以及富存情况的影响。并明确了热解处理污泥过程中,重金属的固化行为和迁移机理是今后重要的研究方向,以期为未来热解处理污泥过程中重金属的污染控制、污泥资源化利用提供一定的理论依据与技术支持。The current detection,classification and treatment methods of heavy metals was described.Based on the morphological classification of BCR step-by-step extraction method,it mainly summarizes the effects of pyrolysis conditions such as pyrolysis temperature,pyrolysis time,heating rate,additives and raw material properties on the morphological distribution and enrichment of heavy metals in sludge.It is clear that the solidification behavior and migration mechanism of heavy metals in the process of pyrolysis sludge are important research directions in the future,in order to provide some theoretical basis and technical support for the pollution control of heavy metals and the resource utilization of sludge in the process of pyrolysis sludge in the future.

关 键 词：污泥 重金属 热解 形态分布 固化 迁移 

分 类 号：TQ09[化学工程] X705[环境科学与工程—环境工程]