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金燦國,姜大雨,金裕鎭 동아대학교 공과대학 부설 한국자원개발연구소 1984 硏究報告 Vol.8 No.2
This study has been carried out to determine the effects of bridging liquid concentrations, agitation time, agitation speed, pulp density, and viscosities of the bridging liquid on growth of the agglomerates by agitating the suspension with bridging liquid which preferentially wets the carbon particles. The results of this experiment are as follows : 1) As larger amounts of bridging liquid are used, the size of agglomerates are increased until the end of the capillary region of pore filling after which there is an excess of bridging liquid. 2) At the initial stage of the agitation, the size of agglomerates are increased while after a certain agitation period, the size of agglomerates are decreased because destructive force is increased by frequency of collisions between the agglomerates themselves and their adhesion to the walls of the vessel. 3) The diameter of the final agglomerates are determined by a balance between destructive and cohesive forces acting on agglomerates.