Page 345 - Chemical Process Equipment - Selection and Design

308 SOLID-LIQUID SEPARATION

Lab ar a tory rout ine Final test work =in01 sizing ond
process costing

Assemble data and I
I physical properties
I
Tube centrifuge Sedimentat ion
test test .Hydrocyclone test
I
'Magnetic seporator

Select filter medium from those
. Sedimentat ion centrifuges --
Continuous nozzle
Botch tubutar bowl
Botch disc bowl
Batch disc bowl,
another medium 0 clarity satisfactory? self -opening

Try grade either side of chosen medium
and choose fastest permissible grade
6
Plot toto1 flow
against time
t
Is filter aid required?

-Continuous rotary
prccaat filter

Perforated basket .Batch centrifugal filters -

-Continuous rotary
vacuum filter
Complete the - Centrifugal filters
Is pickup satisfactory?
Continuous pusher
Continuous worm discharge
Continuous oscillating scree!
- Helical conveyor decanter -
centrifuge
Thicken - Continuous table filter -
the slurry
- Various pressure filters -
Continuous drum
Batch leaf
Batch plate
Batch tubular element
Batch cartridge
Botch plate and frame
Figure 11.2. Experimental routine for aiding the selection of solid-liquid separation equipment (Davies, 1965).