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；
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.
前言：介绍了酸浸—焙烧法制取高档硅藻土助滤剂的工艺，运用该工艺所制取的硅藻土助滤剂的质量大大超过啤酒厂用助滤剂的要求。
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