喷淋-吸附联合法处理含氟废气工艺探讨  

Discussion on treatment of fluorine containing waste gas by spray adsorption combined process

作　　者：李景旺 Li Jingwang(Tianjin Changlu Fluorochemicals Research Institute Co.,Ltd.,Tianjin 300350,China)

机构地区：[1]天津长芦新材料研究院有限公司,天津300350

出　　处：《环境与发展》2020年第12期81-82,共2页Environment & Development

摘　　要：采用"微纳米臭氧氧化强化的碱液喷淋+活性炭吸附"工艺,对氟工业生产过程中产生的气态氟化物进行处理。研究结果表明,碱液中微纳米臭氧的存在能够明显降低喷淋液中的有机物浓度,其COD去除率可达62%,对有机氟具有较好的分解效果。"微纳米臭氧氧化强化的碱液喷淋+活性炭吸附"工艺可以高效地脱除废气中的有机氟和无机氟化物,氟化物的净化效率高于95%,处理后的排放废气中的总氟化物<5mg/m^3,能够满足排放要求。该工艺结构简单,操作便捷,系统运行稳定高效。The treatment of the gaseous fluorides resulting from industrial production process through alkali solution spraying strengthened by the oxidation of micro/nanometer ozone.The results showed that the presence of micro/nanometer ozone in the alkali solution could decrease obviously the concentration of organics,and the COD removal rate could reach 62%,which exhibited the superior decomposition performance for organic compounds containing fluorine.The process of alkali solution spraying strengthened by the oxidation of micro/nanometer ozone combined with activated carbon adsorption can remove efficiently inorganic and organic compounds containing fluorine,and the purification efficiency of gaseous fluorides is higher than 95%.After the treatment,the concentration of total gaseous fluorides is below 5 mg/m^3 in exhaust gas,which can meet the requirement of the discharge standards.This process have the advantages of simple structure,convenient operation and stable and efficient system.

关 键 词：微纳米臭氧氧化 液碱吸收 活性炭吸附 氟化物 

分 类 号：X701.7[环境科学与工程—环境工程]