Current Situation and Development Trend of Large-Scale Production Technology of Alumina in China
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摘要: 介绍了中国氧化铝生产核心技术的发展历程和主要现状,论述了系列化大型管道化溶出拜耳法技术处理中低等品位一水硬铝石型铝土矿的技术进展和大型化、短流程、集约化氧化铝生产技术的工程应用情况,同时介绍了非铝土矿资源提取氧化铝综合利用技术在大型化方面取得的技术进展;最后探讨了中国氧化铝工业发展面临的主要问题、发展趋势和相应对策.中国氧化铝生产技术的不断突破、技术装备水平的整体提高、运营管理水平的整体提升是实现氧化铝工业绿色、健康、可持续发展的关键因素.Abstract: The development history and main status of alumina production technology in China were introduced in this paper .The technology developments of refining low and medium grade diasporic bauxite ores by the Bayer process with serialization and large -scale tube digestion , and the engi-neering applications of alumina production technologies with enlargement , short process and intensi-fication were also introduced .In addition, the achievements of refining alumina from non -bauxite resources were mentioned.Finally, the main problems, development trend, and countermeasures of China's alumina industry were discussed .The continuous breakthrough of China's alumina produc-tion technology , the overall improvement of technical equipment level , and the overall promotion of operation and management are the key factors to achieve green , healthy , and sustainable develop-ment of alumina industry .
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