CAJ | 학술논문

研究了对高苛性比铝酸钠溶液进行脱硅，考察了脱硅温度、溶液钙硅物质的量比、脱硅时间及不同脱硅剂对脱硅效果的影响。结果表明：自制的新型Ca‐Fe脱硅剂脱硅效果最好，最佳条件下，脱硅后的铝酸钠溶液中SiO2质量浓度可降至0．1 g／L ，硅量指数可达20。利用XRD对新型Ca‐Fe脱硅剂及其脱硅产物进行分析，探讨了新型Ca‐Fe脱硅剂的脱硅机制。
연구료대고가성비려산납용액진행탈규，고찰료탈규온도、용액개규물질적량비、탈규시간급불동탈규제대탈규효과적영향。결과표명：자제적신형Ca‐Fe탈규제탈규효과최호，최가조건하，탈규후적려산납용액중SiO2질량농도가강지0．1 g／L ，규량지수가체20。이용XRD대신형Ca‐Fe탈규제급기탈규산물진행분석，탐토료신형Ca‐Fe탈규제적탈규궤제。
The desilication from sodium aluminate solution with a high mole ratio was studied .The effecting of reaction temperature ,calcium‐silicate mole ratio and reaction time on desilication were examined .T he results show that self‐made novel Ca‐Fe desilication reagent has the best desilication effectiveness .T he content of SiO2 can reduce to 0 .10 g/L and the desilication index can reach 20 by adding novel Ca‐Fe desilication reagent under the optimum conditions .T he novel Ca‐Fe desilication reagent and its desilication products w ere analyzed by XRD ,and the desilication mechanism of novel Ca‐Fe desilication reagent was also discussed .