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Design an efficient exchanger network

05.01.2011  |  Rikhtehgar, F. ,  KBS Co, Tehran, Iran

Advanced heat integration and pinch technology reduces energy consumption

Keywords: [heat exchanger networks] [refining] [petrochemical] [process design]

Energy use in chemical plants, such as refineries and petrochemical facilities is complex and interrelated. Identifying where and how energy use can be improved is best pursed using a system approach that inherently takes these complexities and interactions into account. This article will demonstrate the basic principles and capabilities of pinch technology; how its energy targeting capability is used to determine the scope for reducing energy consumption and costs; and the design methods used to improve heat-recovery networks and process-utility systems for olefin plants. The intent is to illustrate the potential for energy recovery in each chemical process, how much heating/cooling is actually required for the process, and how we can design a process that achieves the energy target.

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