以粉煤灰为原料生产氧化铝和硅胶的研究现状  

Research status in production of alumina and silica gel from fly ash

作　　者：赵东峰[1,2] 丁建础[1] 

机构地区：[1]河南煤业化工集团研究院有限责任公司,河南郑州450046 [2]中南大学冶金科学与工程学院,湖南长沙410083

出　　处：《轻金属》2011年第11期24-28,共5页Light Metals

摘　　要：从粉煤灰的组成分析入手,总结了以粉煤灰为原料生产氧化铝和硅胶的工艺主要分为碱法、酸法、酸碱联合法,并分析了各种工艺的特点、研究现状以及产业化存在的问题。The components of fly ash were analysised and discussed firstly,then the processes of producing alumina and silica gel from fly ash were summarized,which mainly included the alkali process,acid process and the acid and alkali combination process and the characteristics and research status of these methods were analyzed.Finally,the problems in the industrialization were illustrated.

关 键 词：粉煤灰 氧化铝 硅胶 

分 类 号：TF821[冶金工程—有色金属冶金]