摘要
系统地论述了活性SiO2对湿法磷酸生产的结晶,过滤,设备腐蚀,结垢以及净化等操作过程的影响.同时报导了用硅藻土脱氟的试验研究.
In this paper,the influence of the active silicon was discussed through crystallize, filtration, equipment corrosion, purification of the wet -process phosphric acid. The test of defluorinating with diatomite was reported as well.
关键词
二氧化硅
湿法
磷酸
硅藻土
脱氟
活性硅
Active silicon dioxide,Wet-process phosphyric acid,Diatomite,Defluorinating