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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Refractories and industrial ceramics 11 (1970), S. 352-354 
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions The residue formed from effluent contaminated with chamotte dust, with coagulation and without coagulation, is thoroughly dewatered on vacuum equipment with concentrations of more than 700 kg/m3 of suspended particles in the residue. Residues obtained from effluent contaminated with mixtures of chamotte and clay dust in the ratio 4∶1, 1∶1, and 1∶4 are dewatered less effectively than chamotte residues. The residue from a mixture of chamotte and clay 4∶1 is dewatered with a minimum concentration of 809 kg/m3; the residue from the mixture of chamotte and clay 1∶1 can be satisfactorily dewatered only with a high vacuum (640 mm Hg) and with a filter cycle time longer than that used in existing equipment. With a filter cycle of 30 min the thickness of the skin of uncoagulated residue was 13 mm. The coagulated residue from a mixture of clay and chamotte 1∶1 even after 14 days holding had too low a concentration, and in practice cannot be dewatered on a vacuum filter. The residue from mixtures of 1∶4 chamotte and clay is dewatered very ineffectively. The thickness of the cake with a filter cycle time of 20 min for uncoagulated residue was only 4 mm.
    Type of Medium: Electronic Resource
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