Segregated targeting for multiple resource networks using decomposition algorithm

College

Gokongwei College of Engineering

Department/Unit

Chemical Engineering

Document Type

Article

Source Title

AIChE Journal

Volume

56

Issue

5

First Page

1235

Last Page

1248

Publication Date

5-1-2010

Abstract

A generalized decomposition technique is presented for determining optimal resource usage in segregated targeting problems with single quality index (e.g., concentration, temperature, etc.) through pinch analysis. The latter problems are concerned with determining minimal resource requirements of process networks characterized by the existence of multiple zones, each consisting of a set of demands and using a unique external resource. However, all the zones share a common set of internal sources. The decomposition algorithm allows the problem to be decomposed into a sequence of subproblems, each of which can in turn be solved using any established graphical or algebraic targeting methodology to determine the minimum requirement of respective resource. This article presents a rigorous mathematical proof of the decomposition algorithm, and then demonstrates its potential applications with case studies on carbon-constrained energy sector planning, interplant water integration, and energy-based multisector fuel allocation. © 2009 American Institute of Chemical Engineers.

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Digitial Object Identifier (DOI)

10.1002/aic.12050

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