Swm

Zb average rate, batch filter

FIG. 7.47.10 Rotating-leaf filter with automatic cleaning. During filtration, the slurry enters at (1), the filtrate exists at (2), and solids are retained on leaves (3) and covered with a filter cloth. Upon completion of filtration, the washing and drying bottom closure (4) opens. The drive motor (5) starts and rotates the stack of filter leaves. Centrifugal force causes the solids to move off the filter leaves, strike the inside wall of the tank (6), and flow down to the solids exit (7). Sizes are available up to 540 ft2 per unit.

FIG. 7.47.10 Rotating-leaf filter with automatic cleaning. During filtration, the slurry enters at (1), the filtrate exists at (2), and solids are retained on leaves (3) and covered with a filter cloth. Upon completion of filtration, the washing and drying bottom closure (4) opens. The drive motor (5) starts and rotates the stack of filter leaves. Centrifugal force causes the solids to move off the filter leaves, strike the inside wall of the tank (6), and flow down to the solids exit (7). Sizes are available up to 540 ft2 per unit.

filter press are also negligible.

The following equation calculates the 2-hr cycle on the filter press:

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