氧化铝生产技术
(中国铝业股份有限公司 郑州研究院， 郑州 450041)
摘 要: 分析了我国一水硬铝石型铝土矿资源的特点及其对氧化铝生产工艺流程、 能耗和成本的影响， 论述了为实现我国氧化铝工业可持续发展，高效低耗地开发利用我国中低品位一水硬铝石矿资源的技术路线， 提出了采用选矿拜耳法、 石灰拜耳法、 新并联法和串联法等新技术改进现有的拜耳法和联合法氧化铝生产工艺以及亟待开发的节能降耗和提高质量的重大新工艺和关键技术。
关键字: 铝土矿资源； 一水硬铝石； 中低品位矿；氧化铝生产；拜耳法； 联合法； 能耗
low consumption from Chinese bauxite resource
（Zhengzhou Light Metal Research Institute,
Chalco, Zhengzhou 450041, China）
Abstract:The characteristics of Chinese diasporic bauxite resource and the influences of its behaviors on alumina production processes were analyzed. The technology development for further utilization of Chinese middle-low grade diasporic bauxite with high efficiency and low consumption was discussed. The improvement directions and key technology to be developed in both Bayer Process and Combination Process in China were shown for the sustainable development of Chinese alumina industry.
Key words: bauxite resource; diasporic bauxite; middle and low grade bauxite; alumina production; bayer process; combination process; energy consumption
