Expanded Perlite Filter Aid

October 2nd, 2018

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.

 

 

 

The Perlite Filter Aid 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 remain through the liquid and prevents impurities passing.

 

filteraid cake Diagram

 

 

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