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 actually
required for the process, and how we can design a process that
achieves the energy target.
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