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Networks with large solvent recycle: Dynamics, hierarchical control, and a biorefinery application
Author(s) -
Jogwar Sujit S.,
Torres Ana I.,
Daoutidis Prodromos
Publication year - 2012
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.12708
Subject(s) - biorefinery , process (computing) , computer science , process engineering , control (management) , process dynamics , class (philosophy) , scale (ratio) , biochemical engineering , engineering , control engineering , artificial intelligence , waste management , quantum mechanics , biofuel , physics , operating system
A class of networks featuring large recycle of solvent is analyzed. This feature is central to numerous integrated processes which use solvents in various reaction and separation steps. A prototype network capturing the essential features of such networks is identified. Rigorous dynamic analysis reveals the presence of two time‐scale dynamics exhibited by this prototype network. A systematic framework for model reduction and a subsequent hierarchical control design is proposed. The advantages of the proposed design over direct model‐based control are demonstrated via a simulation case study. Finally, the application of the proposed framework to a newly proposed process for the production of 5‐hydroxymethylfurfural from fructose is also presented. © 2011 American Institute of Chemical Engineers AIChE J, 58: 1764–1777, 2012
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