SO_4^(2-)/TiO_2-Al_2O_3催化环己醇分子内脱水反应的研究  

Studies on intramolecular dehydration of cyclohexanol by SO_4^(2-)/TiO_2-Al_2O_3 solid superacid

作　　者：王玉华[1] 王伟[1] 

机构地区：[1]南昌航空工业学院环境与化学工程系,江西南昌330034

出　　处：《宁夏大学学报（自然科学版）》2001年第2期125-126,共2页Journal of Ningxia University(Natural Science Edition)

摘　　要：在SO2 -4 /TiO2 固体超强酸中引入适量Al2 O3 ,制备成SO2 -4 /TiO2 Al2 O3 ,用于催化环己醇分子内脱水反应 .研究结果表明 ,SO2 -4 /TiO2 Al2 O3 对反应有较强催化作用 ,Al2 O3 的含量、催化剂用量、反应时间等都对反应产率有影响 .催化剂易与产物分离 ,能重复使用 。SO 2- 4/TiO 2-Al 2O 3 solid superacid were prepared by incorporation of appropriate amounts of Al 2O 3 into SO 2- 4/TiO 2,and used in the reaction of intramolecular dehydration of cyclohexanol. Experimental results show that SO 2- 4/TiO - 2Al 2O 3 has good catalytic ability. Amounts of Al 2O 3 and catalyst used and reaction time on the yield of cyclohexene were investigated. The catalyst could be easily separated from the products and regenerated.They are no pollution to the environment.

关 键 词：铝促进催化剂 环己醇 分子内脱水反应 固体超强酸 三氧化二铝 反应时间 

分 类 号：O624.31[理学—有机化学] O643.36[理学—化学]