工业有机废气的回收及其深度提纯处理  

Recovery and deep purification of industrial organic waste gas

作　　者：郑育英[1] 窦正杰 杜涵[1] 黄文涛[1] 

机构地区：[1]广东工业大学轻工化工学院,广东广州510006

出　　处：《现代化工》2016年第12期118-120,共3页Modern Chemical Industry

基　　金：广东省科技计划项目(2013B021700001)

摘　　要：采用新工艺处理工业有机废气,该工艺由以活性炭纤维为吸附剂的吸附装置、以3A分子筛为脱水剂的脱水装置和精馏塔等多单元联合组成。其中,吸附装置采用PLC可编程序控制,实现吸附过程的自动切换和连续操作,对解吸时产生的分层水进行精馏,并通过3A分子筛脱水,深度提纯有机溶剂。实际运行结果表明,活性炭纤维对废气有很好的吸附作用,在进气浓度为367 mg/m^3,温度为298 K、风速为7.3 m/s的条件下,活性炭纤维的平衡吸附量为0.194 5 kg/kg;进气浓度和风速对平衡吸附量都有显著影响。A new technology is adopted to treat industrial organic waste gas. The device of the technology consists of adsorption unit with activated carbon fiber as adsorbent,dehydration unit with 3A molecular sieve as dehydrating agent and a rectifying tower unit. Among them,the adsorption device achieves the automatic switching and continuous adsorption process by using PLC programmable control. By rectifying stratified water of the desorption process and dehydrating of 3A molecular sieve,the organic solvent is deeply purified. Practical operation results show that the activated carbon fiber has good adsorption effect on the exhaust gas. The equilibrium adsorption capacity of activated carbon fiber is 0. 194 5 kg / kg when the inlet concentration is 367 mg / m-3,temperature is 298 K and wind speed is 7. 3m / s. The inlet concentration and wind speed both have significant influence on equilibrium adsorption capacity.

关 键 词：活性炭纤维 3A分子筛 工业有机废气 净化处理 

分 类 号：X701[环境科学与工程—环境工程]