The processes involved In wort separation are discussed in terms of the underlying mathematical principles as exemplified by the Carman-Kozeny equation, which is applicable to cake filtration, the Moncrieff equation, which is relevant to sparging, and Stokes' Law, which is concerned with settling of particles in regions of viscous flow. The behaviour of small-scale mashes of different types is illustrated photographically. Beer clarification, polishing and sterilization are discussed as further examples of filtration in brewing.
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J. O. Harris (1968) studied this question.
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