摘要
介绍了石灰石烧结法、浓碱溶出法、酸浸法、一步酸溶法等几种从粉煤灰中提取氧化铝的工艺技术,并对这几种工艺的优缺点进行了比较分析,为行业发展提供了一些建议。
Several technologies for extracting alumina from fly ash, such as limestone sintering, alkali leaching, acid leaching and one-step acid dissolution are introduced. The advantages and disadvantages of these processes are compared and analyzed. The future development of the industry has provided some suggestions.
作者
王丽杰
WANC Li-jie(State Key Laboratory of Coking Coal Resources Development and Comprehensive Utilization,China Pingmei Shenma Group,Pingdingshan 467000,China;Research Institute of Energy and Chemical Engineering,China Pingmei Shenma Group,Pingdingshan 467000,China)
出处
《安徽化工》
CAS
2018年第4期6-8,共3页
Anhui Chemical Industry
关键词
粉煤灰
氧化铝
提取工艺
fly ash
alumina
extraction process