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Rotary Drum Vacuum Filters

Belt, string, scraper-assisted blow-back or roll discharge are all applicable where the solids are filterable on themselves. Each requires a cloth, paper, or woven synthetic fabric filter media.

The basic difference between these types of filter is the manner in which the cake is discharged, which is determined by the characteristics of the cake itself.

Horizontal Rotary Filters

Well suited for the filtration of free-settling, free filtering coarse crystalline or fibrous pulp slurries. They provide rapid dewatering and efficient cake washing at large cake capacities.

Travelling Belt Filters

Also well suited to the filtration of fast draining slurries. The travelling belt filter is well suited to applications requiring thorough cake washing (including multi-stage counter-current washing) at high throughputs.

Precoat vacuum filters

This type of filter is preferred to those processes requiring a high degree of clarity in the filtered liquid, or where the solids filter poorly on themselves, ie some slurry solids blind or choke off the filtering action.

This type of filter requires the use of a filter-aid (normally diatomaceous earth) to build up a filtering cake on the surface of the rotating drum.

Address:
1 Kruger Street, cnr Fabriek Street,
Strijdompark,
Randburg,
South Africa.

Postal:
PO Box 6038,
Weltevreden Park,
1715

SOLID LIQUID FILTRATION CONSULTANTS PTY (LTD)

TEL: +27 (0)11 792 5617
FAX: +27 (0)11 793 5739
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Wesite: www.slfc.co.za

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