Clarification and stabilisation of beer

摘要

After reaching an adequate level of fermentation, the uncleared beer is treated with silica sol, left to flocculate and the clear beer sepd. from the deposit. The amount of silica sol used corresponds to 0.01-0.2 g. SiO2 per 10 ml. beer. The silica sol is an alkali-stabilised sol in which the silica is in the form of discrete, dense amorphous particles.