Kieselguhr - free of cristobalite despite calcination New initiatives in production and usage
Due to the universality of kieselguhr as a filter aid, various attempts stretching back over about 12 years have failed to displace kieselguhr from filtration and replace it by other substances, such as e.g. cellulose. Thus, there is no substance in the filtration landscape which can seriously threaten the dominance of kieselguhr in beer filtration.
In every brewery, filtration of beer is a process operation having a significant determinant effect on quality and shelf life of the final beer product. State-of-the-art in breweries continues to use precoat filtration as the first treatment step, followed by various other filter systems as a second treatment step.....
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