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摘要
根据粉煤灰提取氧化铝核心反应特性将现有工艺总体分为酸法和碱法，并从氧化铝提取率、反应条件、产渣量及设备可靠性等方面分别进行了论述，总结了现有工艺的优缺点，并提出了粉煤灰提取氧化铝技术未来研发方向。
Abstract
According to core reaction characteristics of extracting alumina from fly ash,this article divides the existing process methods into acid method and alkali method,and discusses the extraction rate of alumina,reaction conditions,slag production and equipment reliability.The advantages and disadvantages of the existing technology are summed up,and the future research and development direction of technology for extracting alumina from fly ash is proposed.
关键词
高铝粉煤灰
/
碱法
/
酸法
/
氧化铝
Key words
high aluminum fly ash
/
alkali method
/
acid method
/
alumina
Author summay
高铝粉煤灰提取氧化铝工艺研究进展[J].
, 2022, 42(1): 66-70 DOI:10.16606/j.cnki.issn0253-4320.2022.01.014
