Page 359 - Chemical Process Equipment - Selection and Design
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322 SOLID-LIQUID SEPARATION
FILTRATION LEAF TEST DATA SHEET - VACUUM AND PRESSURE
Capany Mat'l as Received: Date Test No.
Addrrss Salids: % Date T-rtcd
Analysis *Y
Liquid: 5 Location
Filter Type - Size Ft.2 Analysis
Ccof
Used Shim: No Yes Precot Forming Liquid Temp. OFPC
Figure 11.8. A filtration leaf test data sheet (Dahlstrom and Siluerblatt, 1977).
Backwash
-
OUTLET
(a) (b)
Figure 11.9. Deep bed sand filters for removal of small contents of solids from large quantities of liquids. Accumulations from the
top and within the bed are removed by intermittent backwashing. Charcoal may be used instead of sand for clarifying organic
liquids. (a) Gravity operation. (b) Pressure operation.