采用新型分子筛为吸附剂的VOC净化设备在轨道交通车辆涂装废气治理中的应用  

Application of VOC Equipment with New Zeolites Adsorbent in Treatment of Exhaust Gas from Rail Transit Vehicle Painting

作　　者：王煜伦 王海清 张傑[2] 曲令多 WANG Yu-lun;WANG Hai-qing;ZHANG Jie;QU Ling-duo(Beijing Menghuan Sanxing Coating Equipment Technical Development Co.,Ltd.,Beijing 102401,China;Beijing University of Chemical Technology,Beijing 100029,China;Zibo Qichuang New Material Technology Co.,Ltd.,Zibo 255399,Shandong,China)

机构地区：[1]北京梦幻三星涂装设备技术开发公司,北京102401 [2]北京化工大学,北京100029 [3]淄博齐创新材料科技有限公司,山东淄博255399

出　　处：《现代涂料与涂装》2021年第1期66-69,72,共5页Modern Paint & Finishing

摘　　要：根据轨道交通的间歇式生产工艺,结合吸附浓缩+催化燃烧的处理方式,设计了以新型颗粒分子筛为吸附剂的涂装废气净化设备,以典型挥发性有机物甲苯和二甲苯为模型分子进行静态/动态吸附评价。试验结果表明:由于介孔的引入和晶粒的减小,多级孔ZSM-5分子筛的比表面积,二甲苯静态饱和吸附量明显高于常规微孔ZSM-5分子筛和其他两种商业分子筛;空心柱状多级孔ZSM-5分子筛对甲苯和二甲苯动态饱和吸附量分别为8.62%和4.48%,具有VOC广谱吸附性和良好的疏水性;多级孔ZSM-5分子筛在120~200℃热空气脱附下保持良好的安全性和结构稳定性,再生性能稳定。According to the intermittent production process of rail transit,combined with the treatment method of adsorption concentration and catalytic combustion,painting exhaust gas depuration equipment with new particle zeolites as the adsorbent was designed.Typical volatile organic compounds,toluene and xylene were used as model molecule for static/dynamic adsorption evaluation.The results showed that the specific surface area and static saturated adsorption capacity of xylene of the multi-porous ZSM-5 were significantly higher than the conventional microporous ZSM-5 and the other two commercial zeolites;The dynamic saturated adsorption capacity of toluene and xylene of hollow-column multi-porous ZSM-5 was 8.62%and 4.48%,which had broad-spectrum VOC adsorption and good hydrophobicity;The multi-porous ZSM-5 maintained good safety,structural stability and stable regeneration performance under the desorption of hot air at 120~200℃.

关 键 词：挥发性有机物 分子筛 吸附 脱附 净化设备 

分 类 号：TQ639[化学工程—精细化工]