Title: Thermal coupling links to liquid-only transfer streams: An enumeration method for new FTC dividing wall columns

Journal Article · · AIChE Journal
DOI: https://doi.org/10.1002/aic.15053 · OSTI ID:1511535
 [1];  [2];  [3]
  1. Purdue Univ., West Lafayette, IN (United States). School of Chemical Engineering; Purdue University
  2. Purdue Univ., West Lafayette, IN (United States). Krannert School of Management
  3. Purdue Univ., West Lafayette, IN (United States). School of Chemical Engineering
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Novel dividing wall columns (DWCs) can be obtained by converting thermal couplings to liquid-only transfer streams. We develop a simple four-step method to generate a complete set of DWCs containing n - 2 dividing walls, for a given n-component fully thermally coupled (FTC) distillation. Among the novel DWCs, some easy-to-operate DWCs possess the property that the vapor flow in every section of the DWC can be controlled during operation by means that are external to the column. We develop a simple method to enumerate all such easy-to-operate DWCs. We expect that the easy-to-operate DWCs can be operated close-to-optimality; leading to a successful industrial implementation of the n-component (n ≥ 3) FTC distillation in the form of a DWC. As an illustration, we show figures of all easy-to-operate DWCs with two dividing walls for the four-component FTC distillation.

Research Organization:
Purdue Univ., West Lafayette, IN (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Advanced Manufacturing Office (EE-5A)
Grant/Contract Number:
EE0005768
OSTI ID:
1511535
Journal Information:
AIChE Journal, Journal Name: AIChE Journal Journal Issue: 4 Vol. 62; ISSN 0001-1541
Publisher:
American Institute of Chemical EngineersCopyright Statement
Country of Publication:
United States
Language:
English

References (14)

Global optimization of multicomponent distillation configurations: 1. Need for a reliable global optimization algorithm journal July 2012
Modified basic distillation configurations with intermediate sections for energy savings journal January 2014
Thermal coupling links to liquid-only transfer streams: A path for new dividing wall columns journal April 2014
Thermally coupled system of distillation columns: Optimization procedure journal April 1986
Thermally coupled distillation with reduced number of intercolumn vapor transfers journal November 2000
Multicomponent thermally coupled systems of distillation columns at minimum reflux journal December 2001
A polyhedral branch-and-cut approach to global optimization journal May 2005
Dividing wall column—A breakthrough towards sustainable distilling journal June 2010
Internal configurations for a multi-product dividing wall column journal October 2013
Synthesis of distillation configurations: I. Characteristics of a good search space journal January 2010
Dividing wall columns in chemical process industry: A review on current activities journal August 2011
Multicomponent Distillation Columns with Partitions and Multiple Reboilers and Condensers journal October 2001
Synthesis of Distillation Column Configurations for a Multicomponent Separation journal January 1996
More Operable Fully Thermally Coupled Distillation Column Configurations for Multicomponent Distillation journal September 1999

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
42 ENGINEERING
Petlyuk column
dividing wall column
fully thermally coupled configuration
multicomponent distillation
operability
synthesis method
thermal coupling
vapor split