氧化铝的水热化学研究　Ⅲ──薄水铝石脱水产物的再水合现象  

Studies on Hydrothermal Behavior of Alumina Ⅲ.-Rehydration of Aluminas Derived from Boehmite

作　　者：叶岗[1] 李光辉[1] 路春茂[1] 张明海[1] 

机构地区：[1]石油化工科学研究院,北京100083

出　　处：《物理化学学报》1996年第10期921-925,共5页Acta Physico-Chimica Sinica

摘　　要：The rehydration of dehydrated products of boehmite with different textural morphology calcined at the temperature below 1000℃ is investigated by XRD and SEM.It is found that every dehydrated alumina is capable of being rehydratied and the rehydration product is boehmite. Rehydrates with different textural morphology have been produced from aluminas with different textural morphology, and the textural morphology of a rehydrate depends both on the starting alumina and on the hydrothermal conditions.The rehydration ability of aluminas is determined by their textural morphology and calcined temperature. Aluminas are directly rehydrated to rehydrate and the rehydration process is not the reverse. Process of the dehydration of the initial boehmite.The rehydration of dehydrated products of boehmite with different textural morphology calcined at the temperature below 1000℃ is investigated by XRD and SEM.It is found that every dehydrated alumina is capable of being rehydratied and the rehydration product is boehmite. Rehydrates with different textural morphology have been produced from aluminas with different textural morphology, and the textural morphology of a rehydrate depends both on the starting alumina and on the hydrothermal conditions.The rehydration ability of aluminas is determined by their textural morphology and calcined temperature. Aluminas are directly rehydrated to rehydrate and the rehydration process is not the reverse. Process of the dehydration of the initial boehmite.

关 键 词：氧化铝 水热化学 薄水铝石 脱水产物 再水合现象 

分 类 号：O614.31[理学—无机化学]