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Received August 31, 2003
Accepted May 20, 2004
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Design of a Fully Thermally Coupled Distillation Column for Hexane Process Using a Semi-Rigorous Model
Dept. of Chemical Engineering, Dong-A University, Busan 604-714, Korea 1Dept. of Chemical Engineering, Pusan National University, Busan 609-735, Korea 2Energy-Efficient Chemical Systems Group, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8565, Japan
Korean Journal of Chemical Engineering, November 2004, 21(6), 1098-1102(5), 10.1007/BF02719480
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Abstract
An industrial scale hexane process is designed for the implementation of a fully thermally coupled distillation column (FTCDC). A semi-rigorous material balance and Peng-Robinson equilibrium relation are utilized in the structural design. The operational design is conducted with a commercial design program, the HYSYS. The design outcome of the structural design indicates it to be comparable with the practical system of a conventional two-column arrangement in field operation, which shows the effectiveness of the design procedure implemented here. The procedure is good for the system of many components found from actual field applications. In addition, an investigation of the energy requirement of the FTCDC and a conventional system shows that an energy saving of 34.1% is available with the FTCDC.
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References
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