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
The important technological and economic advantages have expanded the use of shoe press technology to the dewatering of all paper products from pulp to tissue.
靴式压榨技术的应用范围已扩展到所有纸产品的脱水。
3
The filer press can be used not only in the dewatering of sludge in wastewater treatment plants, but also in the dewatering other industrial feed pulp.