Kieselguhr sludge? Disposal problems?
Despite claims to the contrary, most breweries are still not “kieselguhr-free”. The majority of breweries in Germany and internationally, continue to use kieselguhr as a filter aid. In spite of this, or perhaps because of it, kieselguhr remains a subject of contention. To say that questions about disposal methods, which are best and which are legal, make for lively conversation, is an understatement. Therefore, methods currently available for disposal and recycling of kieselguhr sludge will be examined below.
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