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Greener by design.

Urmila M Diwekar1

  • 1Department of Chemical Engineering, Institute for Environmental Science & Policy, University of Illinois at Chicago, Chicago, Illinois 60607, USA. urmila@uic.edu

Environmental Science & Technology
|January 1, 2004
PubMed
Summary

This study introduces an integrated framework for greener chemical process design, incorporating environmental goals early in decision-making. It addresses complex optimization challenges for sustainable engineering solutions.

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Area of Science:

  • Chemical Engineering
  • Sustainable Design
  • Process Optimization

Background:

  • Current process design tools lack comprehensive green engineering integration.
  • There's a critical need to embed environmental and ecological objectives into chemical process design.
  • Existing methods often overlook early-stage decision-making and multi-objective considerations.

Purpose of the Study:

  • To present an integrated framework for greener chemical process design.
  • To extend the design process to include chemical selection, management, and planning.
  • To incorporate environmental and ecological objectives alongside profitability.

Main Methods:

  • Developed an integrated framework for greener design, starting from chemical and material selection.
  • Incorporated management and planning decisions into the design process.
  • Utilized an efficient algorithmic framework for multiobjective optimization under uncertainty to handle complex decisions and conflicting objectives.

Main Results:

  • Demonstrated the framework's ability to integrate diverse decision types (discrete, continuous) and nonlinear models.
  • Successfully addressed uncertainties and multiple conflicting objectives in process design.
  • Validated the framework's promise through two real-world case studies.

Conclusions:

  • The proposed integrated framework enables a more holistic approach to greener chemical process design.
  • Efficient multiobjective optimization under uncertainty is key to achieving sustainable engineering goals.
  • The framework offers a promising solution for designing profitable and environmentally responsible chemical processes.

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