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AbstractA column reactor, in which the bottom two-thirds were occupied by a sludge blanket and the upper one-third by submerged clay rings, was evaluated using slaughterhouse wastewater as substrate. The reactor was operated at 35C at loading rates varying from 5g to 45g chemical oxygen demand (COD) l1day1 at an influent concentration of 2450mg COD l1. A maximum substrate removal rate of 32g COD l1day1,...
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