Perlite Filter Aids

July 8th, 2016

 

Expanded Perlite is an extremely lightweight product and is created by putting raw perlite into a furnace, which ultimately changes the chemical composition. In filter systems especially in the beverage industry, Expanded Perlite Filter Aid makes a filtering layer (cake) that transfers the filtered product from the septum/wall. If the septum has no expanded perlite filter aid, the filtrate would not be clear, in fact the liquid would be dirty, muddy and murky. Also it is worth mentioning without using Perlite Filter Aid the solid particles in the liquid will gather together, decrease the filtering surface area, lose optimum quality and eventually block the septum.

 

 

filteraid cake Diagram

 

The Perlite Filter Aid has adds no taste or odour to the liquids that have been filtered. The material is also insoluble in mineral and organic acids at all temperatures. Another benefit of perlite filter aid is when is when it comes to the end of the filter cycle, the filter cakes still remain through the liquid and prevents impurities passing.

 

beer-mug-and-wine-glass-

 

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