Settleability assessment protocol for anaerobic granular sludge and its application

Abstract

4 October 2003420 Available on website a collection vessel. The bottom part of the vertical glass tube was packed with glass beads to enhance flow distribution. The inlet line had a flow meter and variable speed pump (Masterflex, Cole Parmer). The settled clear water of the collection vessel was recycled to maintain constant upflow velocity in the vertical tube. Prior to testing, the apparatus was filled with the settled effluent from the main UASB reactor, after which a granular sludge sample being fractionated was put into the vertical tube. For this test, sample size of the granular sludge averaged 50 ml throughout.

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