天然气化工2016，Vol.41Issue(6)：1-6,6.
挤条成型合成气一步法制二甲醚双功能催化剂的研究
Extrusion shaping of bi-functional catalyst for one-step synthesis of dimethyl ether from syngas
摘要
Abstract
The Cu/Zn/Al2O3 was mixed with pseudo boehmite and extrusion assistants to prepare the shaped bi-functional catalyst for one-step synthesis of dimethyl ether from syngas by extrusion. Through strength measurement, characterization and activity tests of the shaped catalysts, the optimal extrusion shaping conditions were determined as follows: mass ratio of Cu/Zn/Al 2O3 to pseudo boehmite of 1 ∶ 1, peptizer (HNO3) mass fraction of 4%, lubricants citric acid and sesbaria cannabina powder of 5% and 2.5%, respectively, and mass ratio of water to solid material of 0.60. The catalyst shaped at the optimized conditions had a strength of about 153N/cm, and over it, under 250℃, 3MPa and GHSV of 1500mL/(g·h), CO conversion was 79.8% with a DME selectivity of 49.1%and a methanol selectivity of 15.2%.关键词
合成气/二甲醚/双功能催化剂/挤条成型Key words
syngas/dimethyl ether/bi-functional catalyst/extsruion shaping分类
化学工程引用本文复制引用
王运风,刘宏伟,张海涛,应卫勇,房鼎业..挤条成型合成气一步法制二甲醚双功能催化剂的研究[J].天然气化工,2016,41(6):1-6,6.基金项目
国家科技支撑计划项目（2007BAA08B04）。 （）
