Effect of the hydrodynamic conditions in a crystallizer on simultaneous calcium carbonate and calcium sulphate precipitation

被引：0
|
作者：
Synowiec, P [1 ]
Bunikowska, B
机构：
[1] Inst Chem Nieorgan, Gliwice, Poland
[2] Politech Slaska, Katedra Inzynierii Chem & Procesowej, Gliwice, Poland
来源：
INZYNIERIA CHEMICZNA I PROCESOWA | 2003年 / 24卷 / 04期
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D O I：
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中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The results of experiments focused on the effect of the hydrodynamic conditions on calcium carbonate and calcium sulphate dehydrate simultaneous precipitation are presented. The experiments were carried out in a continuously working crystallizer of volume of 0.4 dm(3) and forced circulation by means of the stirrer. The influence of the reaction mixture concentration, location of the feed, unit power input and stirrer diameter on the particle size distribution and filtration efficiency have been examined. The field of the reagents concentration and mixing conditions for optimum filtration efficiency have been determined.
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页码：685 / 700
页数：16
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