Deep bed filtration is an important unit operation in water treatment technique. 摘要深層過濾是水處理工藝中的重要單元操作。
As a kind of the basic methods in water treatments,deep bed filtration has been widely applied in petroleum chemical industry. 深層過濾作為水處理工程中的基本方法在石油石化行業中有著廣泛的應用。