Group Contribution Approach in Simulation of DEC Separation Technique
Publish place: 8th National Iranian Chemical Engineering Congress
Publish Year: 1382
Type: Conference paper
Language: English
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Document National Code:
NICEC08_166
Index date: 27 February 2008
Group Contribution Approach in Simulation of DEC Separation Technique abstract
Based on chemical equilibria in acid-base reactions and on precipitation of the resulting compounds in dissociation extractive crystallization (DEC) process, a separation model has been developed. The model utilizes the modified UNIFAC group contribution method. The validity of the model has been assessed by the experimental results achieved in the separation of o- and p-chlorobenzoic acids. The results have been compared with those obtained from the experiments at various concentrations and temperatures on predicted ternary diagrams.
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Group Contribution Approach in Simulation of DEC Separation Technique authors
Asghar Lashanizadegan
Yasuj University, Yasuj, Iran
Shahabedin Ayatollahi
Shiraz University, Shiraz, Iran
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