摘要
本文就如何经济地对水玻璃旧砂进行再生的问题进行了研究。结果表明,加酸和加酸的次序可提高再生砂的质量。文章还阐述了污水的处理方法、最佳沉淀剂及其用量。
This paper studies the problem how to reclaim silicate wast sand economically. Results have shown t(?)hat adding acid and its feed order can impove the quantity of reclaimed sand. The best precipitant, its dose used and the waste water treatment are also expounded.
关键词
旧砂再生
耗酸法
水玻璃砂
Sand and reclaimetion
acid-consuming method
waste precipitation
