DBD技术脱除恶臭气体H_2S和CS_2的可行性  

Purification Feasibility of Malodorous Waste Gas Contained H_2S and CS_2 by DBD Technique

作　　者：侯健[1] 郑光云[1] 蒋洁敏[1] 刘先年[1] 侯惠奇[1] 

机构地区：[1]复旦大学环境科学研究所,上海200433

出　　处：《环境科学》2001年第5期12-16,共5页Environmental Science

基　　金：国家自然科学基金资助项目 (2 95 772 71)

摘　　要：采用DBD技术脱除工业废气中的H2 S和CS2 .1 2kV的电压下 ,分压为 4kPa的H2 S ,放电 5s ,去除率接近1 0 0 % ;分压为 1 33kPa的CS2 ,放电 1 5s ,其去除率可达 80 % H2 S和CS2 的去除率都随其浓度的增加而下降 .在实验室研究的基础上 ,设计了废气处理量为 4 2 0m3/h、流速为 1 0m/s的DBD净化装置 ,进行了实际含H2 S和CS2 的工业废气净化研究 ,H2 S去除率可达 89% ,能量消耗为 5 2W·h/m3.结果表明DBD技术对于处理含硫恶臭工业废气 。Dielectric barrier discharge(DBD) technique was applied to remove H 2S and CS 2 in industrial waste gas. In the research of laboratory, when the voltage between two electrodes was 12 kV, 4×10 3Pa H 2S was discharged in air for 5 seconds, about 100% of H 2S was transformed into H 2O and SO 2;1 33×10 3Pa CS 2 was discharged in air for 15 seconds, about 80% of CS 2 was transformed into CO 2、CO and SO 2 . When the concentration of H 2S and CS 2 increased, the decomposition of them decreased. Based on the results, a DBD purification apparatus which can dispose 420m 3/h、10m/s waste gas was designed and manufactured, the removal rate of H 2S can reach 89% and the energy consumption was 5.2 W·h/m 3. It was concluded that the DBD technique is worth disposing malodorous industrial waste gases contained H 2S and CS 2.

关 键 词：DBD 恶臭气体 硫化氢 二硫化碳 脱臭 可行性 大气污染 污染治理 

分 类 号：X512[环境科学与工程—环境工程] X701