2017
DOI: 10.1590/0104-6632.20170341s20150427
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Use of a Griffith Tube to Evaluate the Anaerobic Sludge Sedimentation in a Uasb Reactor Treating an Effluent With Long-Chain Fatty Acids

Abstract: -This paper proposes to study the sedimentation characteristics of anaerobic sludge, by determining the settling velocity of sludge granules with the Griffith Tube. This is a simple, low-cost method, suitable for use in full-scale treatment plants. The settling characteristics of sludge from two laboratory-scale UASB reactors fed with saccharose and different concentrations of sodium oleate and sodium stereate were evaluated. Addition of fatty acids caused a gradual destabilization of the system, affecting ove… Show more

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