Economic evaluation of energy saving alternatives in extractive distillation process
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- 作者：K.D. Brito ; G.M. Cordeiro ; M.F. Figueirê ; do ; L.G.S. Vasconcelos ; R.P. Brito ; romildo.brito@ufcg.edu.br" class="auth_mail" title="E-mail the corresponding author ; brito.romildo@outlook.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Extractive distillation ; Optimization ; Thermal integration and thermal coupling ; Energy saving
- 刊名：Computers & Chemical Engineering
- 出版年：2016
- 出版时间：4 October 2016
- 年：2016
- 卷：93
- 期：Complete
- 页码：185-196
- 全文大小：1952 K
文摘
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Analyze approaches for saving energy in extractive distillation process: optimization, thermal integration and thermal coupling.
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Use of a systematic procedure to find the range of all possible solutions, which includes the global optimum point of operation studied sequences.
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A thermally coupled extractive distillation sequence with a side rectifier did not always present the best results.
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In case of retrofit, it is more advantageous using the preheating of the azeotropic feed with the recycle stream of the conventional.