CRYSTALLIZATION AND PRECIPITATION ENGINEERING .4. KINETIC-MODEL OF ADIPIC ACID CRYSTALLIZATION

被引:50
作者
DAVID, R
VILLERMAUX, J
MARCHAL, P
KLEIN, JP
机构
[1] RHONE POULENC,F-69151 DECINES CHARPIEU,FRANCE
[2] UNIV LYON 1,AUTOMAT & GENIE PROCEDES LAB,F-69622 VILLEURBANNE,FRANCE
关键词
D O I
10.1016/0009-2509(91)85105-7
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
A complete description of adipic crystallization from an aqueous solution is presented, including nucleation, growth and agglomeration. Crystallization is carried out in a semi-batch isothermal crystallizer fed by a hot solution of adipic acid. The conductivity of the solution is monitored and the CSD is sampled out as a function of time. As different kinetic processes control the successive steps of the crystallization, the kinetic model, which involves eight parameters, can be fitted by optimization of at most four parameters simultaneously. A good agreement is found between model predictions and experimental data. The model is shown to be valid to represent the crystallization of adipic acid in an MSMPR crystallizer.
引用
收藏
页码:1129 / 1136
页数:8
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