天然气化工2018，Vol.43Issue(3)：15-19,32,6.
改性ZSM-5分子筛吸附脱除甲基叔丁基醚中的二甲基二硫醚
Adsorption removal of dimethyl disulfide in methyl tert-butyl ether by modified ZSM-5
摘要
Abstract
A new type of ZSM-5 was prepared from ZSM-5 raw material by using pore-forming agent and used as a support to prepare Fe-, Cu-, and Ag-modified ZSM-5 adsorbents by incipient wetness impregnation with nitrate solutions. The prepared ZSM-5 support and adsorbents were characterized by BET and intensity tester, and their adsorption removal performances of dimethyl disulfide in simulated MTBE and commercial MTBE raw materials were investigated by static and dynamic experiments. The results showed that adding 30% by mass of the pore-forming agent improved the pore structure of the adsorbent support and its desulfurization capacity. The desulfurization performance of the metal-modified ZSM-5 is ZSM-5＜FeZSM-5＜CuZSM-5＜AgZSM-5. Further experimental studies indicated that the AgZSM-5 adsorbent prepared by adding 3% AgNO3by mass had the best desulfurization performance, over which, in the dynamic adsorption experiments, under LHSV of 1 h-1, the breakthrough sulfur capacity was 1.43%by mass for the simulated MTBE, and the desulfurization effect for commercial MTBE was also excellent.关键词
吸附脱硫/AgZSM-5吸附剂/二甲基二硫醚/甲基叔丁基醚/MTBEKey words
adsorption desulfurization/AgZSM-5 adsorbent/dimethyl disulfide/MTBE分类
能源科技引用本文复制引用
吕梦颖,李芹,王晓胜,周红军,周广林..改性ZSM-5分子筛吸附脱除甲基叔丁基醚中的二甲基二硫醚[J].天然气化工,2018,43(3):15-19,32,6.基金项目
生物燃气高值利用北京市重点实验室, 中国石油大学(北京)青年创新团队C 计划(C201604) （北京）
