INFLUENCE OF THE KINETICS OF HEAT AND MASS TRANSFER IN A BINARY-RECTIFICATION COLUMN ON THE REALIZABILITY RANGE OF ITS REGIMES

The range of realizable rates of fl ows in a binary-rectifi cation column in which heat is supplied into the boiler and is removed from the dephlegmator was investigated. It is shown that this range is determined by two characteristic parameters related to the kinetics of heat and mass transfer in the column and the composition of the mixture subjected to separation. The limiting capabilities of a cascade of two binary-rectifi cation columns for the separation of a ternary mixture in it were considered. The conditions for an optimum sequence of separation of a mixture in this cascade and for a consistent arrangement of its heat and mass exchange surfaces and the relation between the ultimate production rate of the cascade and the total heat losses in it were determined.
   
Author:  M. A. Zaeva, A.M. Tsirlin, and I. A. Sukin
Keywords:  rectifi cation, heat and mass exchange, separation, multicomponent mixture
Page:  515