本文選題：粉煤灰 + 硅鋁浸出　； 參考：《無(wú)機(jī)鹽工業(yè)》2017年06期

【摘要】：研究了采用加堿浸出—混合氧化鈣的方法從粉煤灰中制備硅酸鈣粉體。考察了浸出溫度、浸出時(shí)間、堿液濃度、液固比對(duì)硅鋁浸出率的影響,實(shí)驗(yàn)結(jié)果表明在浸出溫度為90℃、浸出時(shí)間為5 h、堿液質(zhì)量分?jǐn)?shù)為40%、液固質(zhì)量比為10的條件下硅鋁的浸出效果最佳。同時(shí)考察了制備硅酸鈣的影響因素,實(shí)驗(yàn)結(jié)果表明在反應(yīng)溫度為90℃、反應(yīng)時(shí)間為2.5 h、攪拌轉(zhuǎn)速為30 r/s條件下可制得較純的硅酸鈣制品。對(duì)制備的硅酸鈣粉體進(jìn)行了表征。
[Abstract]:The preparation of calcium silicate powder from fly ash by alkali leaching and mixed calcium oxide was studied. The effects of leaching temperature, leaching time, alkali concentration and liquid-solid ratio on the leaching rate of Si-Al were investigated. The experimental results showed that the leaching temperature was 90 鈩，

本文編號(hào)：1825562