The concentrated sodium hydroxide is filtered through a pressure filter. 濃縮過的氫氧化納通過壓濾機過濾。
The successful application and reform of the technology of pressure filtration and dry heaping of tails in Panshanlou Gold Mine are introduced. 介紹了尾礦壓濾干堆工藝在排山樓金礦的成功應用及其改造過程。