Integration of graphical approaches into optimization-based design of multistage liquid extraction

Taifan, Garry S.P.; Maravelias, Christos T.

doi:10.1016/j.compchemeng.2020.107126

Integration of graphical approaches into optimization-based design of multistage liquid extraction

Journal Article · Wed Oct 14 00:00:00 EDT 2020 · Computers and Chemical Engineering

DOI:https://doi.org/10.1016/j.compchemeng.2020.107126· OSTI ID:1776874

Taifan, Garry S.P. ^[1]; Maravelias, Christos T. ^[1]

Univ. of Wisconsin, Madison, WI (United States)

We propose two optimization models for designing two liquid extraction systems: simple multistage liquid extractors and extractors with extract reflux. Both models are motivated by the concepts of the modified McCabe-Thiele graphical method for multistage extractor design. The operating and equilibrium curves in the McCabe-Thiele method are represented by material balances and piece-wise linearized thermodynamics properties. The use of piece-wise approximations improves computational tractability of both optimization models. In addition, we consider some extensions such as dilute systems, insoluble solvents, and non-ideal stages. In conclusion, the applicability of the proposed models is demonstrated with four illustrative examples.

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Research Organization:: Great Lakes Bioenergy Research Center (GLBRC), Madison, WI (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Biological and Environmental Research (BER); USDOE

Grant/Contract Number:: SC0018409

OSTI ID:: 1776874

Alternate ID(s):: OSTI ID: 1776339

Journal Information:: Computers and Chemical Engineering, Vol. 143; ISSN 0098-1354

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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