Multi-objective fuzzy optimization algorithm for separation-recycle system

Li Sun, Xishan Fan, Pingjing Yao

Research output: Contribution to journalArticle

8 Citations (Scopus)


Separation-recycle system is an important part in chemical process, and its optimization is a multi-objective problem. In this paper the process optimization procedure is proposed. The fuzzy optimization algorithm with the concept of relative importance degree (RID) is utilized to transfer multi-objective optimization (MO-O) model into a single-objective optimization (SO-O) framework. The treatment of process condensate in synthesis ammonia plant is taken as example to illustrate the optimization procedure, and the satisfactory result demonstrates feasibility and effectiveness of the suggested method
Original languageEnglish
Pages (from-to)221-226
Number of pages6
JournalChinese Journal of Chemical Engineering
Issue number2
Publication statusPublished - Apr 2004
Externally publishedYes


  • multi-objective
  • fuzzy optimization
  • relative importance degree


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