Minimum Energy of Multicomponent Distillation Systems Using Minimum Additional Heat and Mass Integration Sections

Jiang, Zheyu; Ramapriya, Gautham Madenoor; Tawarmalani, Mohit; Agrawal, Rakesh

doi:10.1002/aic.16189

Minimum Energy of Multicomponent Distillation Systems Using Minimum Additional Heat and Mass Integration Sections

Journal Article · Fri Apr 20 00:00:00 EDT 2018 · AIChE Journal

DOI:https://doi.org/10.1002/aic.16189· OSTI ID:1433494

^[1]; Ramapriya, Gautham Madenoor ^[2]; Tawarmalani, Mohit ^[3]; ^[2]

Purdue Univ., West Lafayette, IN (United States). Davidson School of Chemical Engineering; Davidson School of Chemical Engineering, Purdue University
Purdue Univ., West Lafayette, IN (United States). Davidson School of Chemical Engineering
Purdue Univ., West Lafayette, IN (United States). Krannert School of Management

Heat and mass integration to consolidate distillation columns in a multicomponent distillation configuration can lead to a number of new energy efficient and cost effective configurations. In this paper, we identify a powerful and simple-to-use fact about heat and mass integration. The newly developed heat and mass integrated configurations, which we call as HMP configurations, involve first introducing thermal couplings to all intermediate transfer streams, followed by consolidating columns associated with a lighter pure product reboiler and a heavier pure product condenser. A systematic method of enumerating all HMP configurations is introduced. We compare the energy savings of HMP configurations with the well-known fully thermally coupled (FTC) configurations. We demonstrate that HMP configurations can have very similar and sometimes even the same minimum total vapor duty requirement as the FTC configuration, while using far less number of column sections, intermediate transfer streams, and thermal couplings than the FTC configurations.

View Accepted Manuscript (DOE)

Research Organization:: Purdue Univ., West Lafayette, IN (United States)

Sponsoring Organization:: USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE)

Grant/Contract Number:: EE0005768

OSTI ID:: 1433494

Alternate ID(s):: OSTI ID: 1436382

Journal Information:: AIChE Journal, Journal Name: AIChE Journal Journal Issue: 9 Vol. 64; ISSN 0001-1541

Publisher:: American Institute of Chemical EngineersCopyright Statement

Country of Publication:: United States

Language:: English

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