| 摘要 |
It is desired to remove matter on a fluid surface of a tank. The tank defines a circular tank orifice comprising a tank orifice rim, the tank orifice rim containing a fluid surface of a fluid, the fluid overflowing the tank orifice rim to form a fluid overflow, the fluid surface defining a fluid surface center. The matter is removed by discharging from near the tank orifice rim a plurality (n) of jets of the fluid towards the fluid surface center. Any matter on the fluid surface is thereby urged toward the tank orifice rim and eventually removed from the fluid surface by the fluid overflow. In one application, the tank comprises a dip tank and the fluid comprises photoreceptor coating solution or components thereof such as solvents, additives, or both.
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