1. A vacuum pump creates negative pressure for correct operation of the filtrate recovery system. 真空泵产生的负压是保证滤液回收系统的正确运行。
2. Recycle system of shrimp culture wastewater was consisted of rotifer pond, deposit pond, bounce-back physical filtrate instrument and biological filtrate pond. 养殖排污水循环处理系统由轮虫净化池、沉淀净化池、反冲式物理过滤装置和生物净化池组成。
3. Practice shows that frequency speed control of the equipment and the recycle of filtrate can reduce energy consumption and increase technics level in wastewater treatment. 工程运行实例表明：设备的变频调速和滤液的再利用能够降低污水处理的能量消耗，提高工艺运行水平。
英英解释
n.
1. the product of filtration; a gas or liquid that has been passed through a filter
2. remove by passing through a filter
