碳化法制备拟薄水铝石的研究进展  

Research Progress on Preparation of Pseudo-boehmite with Carbonization Process

作　　者：王栋斌 郑峰伟 周正 陈凯 金建涛 WANG Dong-bin;ZHENG Feng-wei;ZHOU Zheng;CHEN Kai;JIN Jian-tao(Wuhan Kelin Chemical Group Co.,Ltd.,Hubei Wuhan 430223,China)

机构地区：[1]武汉科林化工集团有限公司,湖北武汉430223

出　　处：《广州化工》2020年第21期1-4,共4页GuangZhou Chemical Industry

摘　　要：总结了近年来国内外碳化法制备拟薄水铝石的技术和改进方法,探讨了中和pH、中和温度、NaAlO2溶液浓度、CO2浓度以及老化方式、洗涤方式、干燥方式对产物性质的影响。评述了碳化法的不同制备工艺的优缺点,对制备出性质稳定、产品的重复性和再现性更稳定的拟薄水铝石的发展趋势进行了展望,指出开发低成本、绿色环保、利于规模化的制备工艺,是未来的发展方向。The preparation and improvement methods for pseudo-boehmite with carbonization process reported at domestic and foreign in recent years were summarized.The influence factors such as neutralization pH value,neutralization temperature,the concentration of NaAlO 2 solution and CO 2,aging process,washing process,drying process on the properties of prepared pseudo-boehmite were investigated.Both advantages and disadvantages as well as development trend about carbonization process were reviewed.The development trend of the preparation of pseudo-boehmite with stable properties and more stable repeatability and reproducibility was prospected.It was pointed out that the development of low-cost,environmental friendly and large-scale preparation technology was the future development direction.

关 键 词：碳化法 制备方法 偏铝酸钠 二氧化碳 拟薄水铝石 

分 类 号：TQ426.6[化学工程] O643.36[理学—物理化学]