The influence of many kinds of filter aids , temperature and filter method on dewatering of copper-smelting dust leaching pulp are systemically studied.
系统考查了多种助滤剂、温度、过滤方式等对烟灰水洗料浆脱水的影响；
2
This article introduces the process of "acid leaching-roasting" to product top grade diatomite filter aid. The quality index of the made filter aid is superior to that used in Brewhouse.