| http://www.w3.org/ns/prov#value | - countei -current decantation circuits include at least 2 thickeners operated in counter-current mode The general principles of counter-current decantation are well-known and will not be fully explicated herein It is sufficient herein to summarize such circuits as including any number of thickeners, generally operated in series and in counter-cu??ent mode End product streams, or outputs, from stage
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