摘要
为深化对基于污水检查井的污染控制技术效果及机理的认知,构建了基于污水检查井的红砖处理系统、海绵处理系统和电解处理系统,分析了3种系统的污染物和有害气体控制能力及作用机理。结果表明:红砖处理系统、海绵处理系统、电解处理系统均能有效控制水相污染物和气相恶臭(OU)、H_(2)S和CH_(4);红砖处理系统对悬浮物(SS)的去除能力较强,但其对有害气体的去除速率较慢;电解处理系统对化学需氧量、氨氮、总磷和硫化物的去除能力较强,且对有害气体的去除速率较快;海绵处理系统对污染物和有害气体的去除能力相对居中;3种处理系统的控制机理不同,除微生物代谢造成的污染物去除和有害气体控制以外,电解处理系统通过电絮凝效应实现了污染物和有害气体的快速控制,红砖处理系统通过物理截留效应提高了对SS的去除率。研究结果可为污染控制前置思路提供技术应用和反应机理参考。
In order to deepen the understanding of the effects and mechanisms of pollution control technologies based on sewage inspection wells,the red brick,sponge,and electrolytic treatment systems based on sewage inspection wells were constructed,and the control ability and mechanism of pollutants and harmful gases of the three systems were analyzed.The results showed that the red brick,sponge and electrolytic treatment systems can effectively control the water phase pollutants and gas phase odor(OU),H_(2)S and CH_(4).The red brick treatment system had a strong ability to remove suspended solids(SS),but its removal rate for harmful gases was slow.The electrolytic treatment system had a strong ability to remove chemical oxygen demand,ammonia nitrogen,total phosphorus and sulfide,and the removal rate for harmful gases was faster.The removal ability of sponge treatment system to pollutants and harmful gases was relatively moderate.The control mechanism of the three treatment systems was different.In addition to the removal of pollutants and the control of harmful gases caused by microbial metabolism,the electrolytic treatment system realized the rapid control of pollutants and harmful gases through the electric flocculation effect,and the red brick treatment system improved the removal rate of SS through the physical interception effect.The research results can provide references for the technical application and reaction mechanism of pre-pollution control concepts.
作者
雷铭
李文凯
郑天龙
庞正焘
徐兵
胡凡
门颖欣
LEI Ming;LI Wenkai;ZHENG Tianlong;PANG Zhengtao;XU Bing;HU Fan;MEN Yingxin(SCEGC No.12 Construction Engineering Group Co.,Ltd.,Ankang 725000,China;Research Center for Eco-Environmental Sciences,Beijing 100085,China;University of Chinese Academy of Sciences,Beijing 100049,China;Inner Mongolia University of Technology,Hohhot 010051,China)
出处
《环境工程学报》
CAS
CSCD
北大核心
2024年第7期1937-1944,共8页
Chinese Journal of Environmental Engineering
基金
陕西省科学技术协会青年人才托举计划项目(20240544)
秦创原引用高层次创新创业人才项目(QCYRCXM-2022-73)
陕西省创新能力支撑计划(2022KJXX-14)。
关键词
检查井
污染物
有害气体
电解
控制技术
inspection well
pollutant
harmful gas
electrolysis
control technology
