Process synthesis using block superstructure with automated flowsheet generation and optimization

An alternative method for chemical process synthesis using a block‐based superstructure representation is proposed. The block‐based superstructure is a collection of blocks arranged in a two‐dimensional grid. The assignment of different equipment on blocks and the determination of their connectivity...

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Bibliographic Details
Published in:AIChE journal Vol. 64; no. 8; pp. 3082 - 3100
Main Authors: Li, Jianping, Demirel, Salih Emre, Hasan, M. M. Faruque
Format: Journal Article
Language:English
Published: New York American Institute of Chemical Engineers 01.08.2018
Wiley Blackwell (John Wiley & Sons)
Subjects:
Automation
Biogas
block superstructure
Chemical synthesis
mixed‐integer nonlinear programming
Optimization
Organic chemistry
process intensification
process synthesis
Representations
ISSN:0001-1541, 1547-5905
Online Access:Get full text
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Summary:An alternative method for chemical process synthesis using a block‐based superstructure representation is proposed. The block‐based superstructure is a collection of blocks arranged in a two‐dimensional grid. The assignment of different equipment on blocks and the determination of their connectivity are performed using a mixed‐integer nonlinear formulation for automated flowsheet generation and optimization‐based process synthesis. Based on the special structure of the block representation, an efficient strategy is proposed to generate and successively refine feasible and optimized process flowsheets. Our approach is demonstrated using two process synthesis case studies adapted from the literature and one new process synthesis problem for methanol production from biogas © 2018 American Institute of Chemical Engineers AIChE J, 64: 3082–3100, 2018
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USDOE
ISSN:0001-1541
1547-5905
DOI:10.1002/aic.16219