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1. School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300072
2. National Engineering Research Center of Distillation Technology, Tianjin University,Tianjin,China,300072
Published:2012
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-Cresol[J]. Chinese Journal of Chemical Engineering, 2012, 20(4): 649-653.
DOI:
-Cresol[J]. Chinese Journal of Chemical Engineering, 2012, 20(4): 649-653. DOI: 10.1016/S1004-9541(11)60230-9.
Laboratory-scale experiments were carried out to evaluate the influences of operational parameters on the melt crystallization efficiency for
p
-cresol purification.The optimal crystallization conditions were determined:dynamic pulsed aeration at 90 L·h
-1
and the cooling rate of 0.6-0.8℃·min
followed by sweating at 0.2-0.3℃·min
for 40 min.Results also demonstrate that the melt crystallization efficiency is sensitive to feed concentration
which highlights this technology for separation and purification of high purity products.
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