低碳化学与化工2026，Vol.51Issue(5)：29-35,45,8.DOI:10.12434/j.issn.2097-2547.20250280
制备方法对CuZnGa催化剂CO2加氢制甲醇催化性能的影响
Effects of preparation methods on catalytic performances of CuZnGa catalysts for CO2 hydrogenation to methanol
摘要
Abstract
Methanol is an important basic chemical feedstock and energy carrier.Utilizing CO2 catalytic hydrogenation to methanol can alleviate energy shortages to a certain extent while also aligning with the demands of green economic development.CuZnGa catalysts were synthesized using three different methods(co-precipitation,hydrothermal and sol-gel methods).Their catalytic performances were systematically compared in CO2 hydrogenation to methanol reaction.Characterization techniques including XRD,TEM,N2 adsorption/desorption,XPS,CO2-TPD,and H2-TPR were used to analyze their physicochemical properties.The results show that among three catalysts,the catalyst prepared by co-precipitation exhibits largest specific surface area(49.0 m2/g)and highest relative oxygen vacancy(19.8％),providing abundant active sites for CO2 activation and conversion.Under reaction conditions of 260℃,4 MPa and 7500 mL/(g·h)for 10 h,it achieves CO2 conversion rate of 15.8％and methanol selectivity of 56.4％,outperforming other catalysts.关键词
CuZnGa催化剂/CO2加氢/甲醇/共沉淀法/氧空位/比表面积Key words
CuZnGa catalysts/CO2 hydrogenation/methanol/co-precipitation method/oxygen vacancy/specific surface area分类
化学化工引用本文复制引用
张瑜,郑元爽,王秀林,聂锁府,何伦,顾榜..制备方法对CuZnGa催化剂CO2加氢制甲醇催化性能的影响[J].低碳化学与化工,2026,51(5):29-35,45,8.基金项目
国家自然科学基金(22202173,22362030) （22202173,22362030）
云南省基础研究专项(202301AT070169) （202301AT070169）
云南省兴滇英才青年人才项目(XDYC-QNRC-2022-0656) （XDYC-QNRC-2022-0656）
中国海洋石油集团有限公司液化天然气及低碳技术重点实验室开放基金课题(CGP2024YF039). （CGP2024YF039）
