To save energy in a distillation column, engineers have discussed the application of side-boilers and side-coolers and heat pumps to a distillation column. But no quantitative method which represents the relationship between temperature level and the minimum exchanging heat load of heat source and/or coolant at any plate has been developed. It is very difficult to design a distillation column with such equipment. This paper represents the energy-saving effects of a side-boiler and a side-cooler on a distillation column on the basis of exergy concepts, and then proposes a quantitative method to determine the feasible domains for the use of a side-boiler and a side-cooler, and to clarify the important relationship mentioned above. This method can be used to design a distillation column with a heat pump and a multi-effective distillation system. © 1980, The Society of Chemical Engineers, Japan. All rights reserved.
CITATION STYLE
Naka, Y., Terashita, M., Hayashiguchi, S., & Takamatsu, T. (1980). An intermediate heating and cooling method for a distillation column. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 13(2), 123–129. https://doi.org/10.1252/jcej.13.123
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