May 2011

Process Design

Design an efficient exchanger network

Advanced heat integration and pinch technology reduces energy consumption

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 actu

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