Optimization of Lignocellulosic Waste Biorefinery using Multi-Actor Multi-Objective Mathematical Framework: 26 European Symposium on Computer Aided Process Engineering

Muhammad T. Ashraf, Ana I. Torres, Iwona Cybulska, Chuanji Fang, Mette H. Thomsen, Jens E. Schmidt, George Stephanopoulos

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Abstract

Lignocellulosic biorefineries consist of multiple processing steps that can be carried out by a single or by different actors. In the latter case, biorefineries can be decomposed into suppliers of intermediates and consumers of them. Following this decomposition, a multi-actor multi-objective optimization problem can be formulated and a two-level Lagrangian approach used to find the solution that optimizes the profit of the biorefinery. This methodology is applied here to a date palm waste biorefinery in which an organosolv process is used to produce a sugar stream; and fermentation to ethanol and succinic acid are considered to compete for the utilization of it. Results shows that at selling price of $400/t ethanol and $1500/t succinic acid, it is feasible to produce these products with an organosolv-sugar stream selling at $510/t.
Original languageEnglish
Title of host publicationComputer Aided Chemical Engineering
EditorsZdravko Kravanja, Miloš Bogataj
Number of pages6
Volume38
PublisherElsevier Editora
Publication date25. Jun 2016
Pages1317-1322
ISBN (Print)1570-7946
DOIs
Publication statusPublished - 25. Jun 2016

Keywords

  • biorefinery
  • economic
  • lignocellulosic
  • optimization

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