酸法提取氧化铝工艺技术研究进展
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摘要
对国内外采用盐酸、硫酸等无机酸提取氧化铝的工艺路线及特点进行了综述,介绍了采用酸法生产氧化铝工艺技术建成的工业化生产装置运行现状。纵观国内外氧化铝提取工艺技术研究情况,酸法更适合生产高纯氧化铝,采用酸法工艺提取氧化铝实现大规模工业生产指日可待。
The process and characteristics of the extraction of alumina from inorganic acids such as hydrochloric acid and sulfuric acid at home and abroad were reviewed. The operation status of industrial production equipment built by acid process was introduced. Through the research on the extraction technology of alumina at home and abroad, acid method is more suitable for the production of high purity alumina, the use of acid extraction process to achieve large-scale industrial production of alumina just around the corner.
The process and characteristics of the extraction of alumina from inorganic acids such as hydrochloric acid and sulfuric acid at home and abroad were reviewed. The operation status of industrial production equipment built by acid process was introduced. Through the research on the extraction technology of alumina at home and abroad, acid method is more suitable for the production of high purity alumina, the use of acid extraction process to achieve large-scale industrial production of alumina just around the corner.
引文
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[2]姬学良,高飞,冯贤.神华集团煤炭能源清洁利用迈向新里程[J].中国有色金属,2017,(8):54-55.
[3]http://www.orbitetech.com.
[4]http://www.altechchemicals.com.
[5]宋凯,陈廷益,马垒.硫酸浸取法提取一水硬铝石中氧化铝工艺研究[J].矿冶工程,2017,37(2):91-93.
[6]杨重愚.氧化铝生产工艺学[M].北京:冶金工业出版社,1993:340-343.
[7]郭强.粉煤灰酸法提取氧化铝的工艺研究进展[J].洁净煤技术,2015,21(5):115-118,122.
[8]Richard S.Olsen,William G.Gruzensky,Sophie J.Bullard,R.P.Beyer,and Jack L.Henry.Leaching Aluminum From Calcined Kaolinitic Clay With Nitric Acid[R].Bureau of Mines Report of Investigations.1983.
[9]雷泽明.粉煤灰提取Al2O3及其塑料填充导热性研究[D].贵州大学,2016.
[10]张永康.高铝粉煤灰处理过程中的结构演变[D].中南大学,2012.
[11]Nayak N,Panda CR.Aluminium extraction and leaching characteristics of Talcher Thermal Power Station fly ash with sulphuric acid[J].Fuel,2010,89(1):53-58.
[12]杨慧芬,孟家乐,张伟豪,宋荣龙,江波.盐酸-氢氟酸对高铝粉煤灰中铝的浸出作用[J].无机盐工业,2017,49(3):43-46.