The concentrated sodium hydroxide is filtered through a pressure filter. 浓缩过的氢氧化纳通过压滤机过滤。
The successful application and reform of the technology of pressure filtration and dry heaping of tails in Panshanlou Gold Mine are introduced. 介绍了尾矿压滤干堆工艺在排山楼金矿的成功应用及其改造过程。