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Intensification of pressure swing adsorption processes
Author(s) -
Rota Renato,
Wankat Phillip C.
Publication year - 1990
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690360903
Subject(s) - pressure swing adsorption , dimensionless quantity , scaling , isothermal process , adsorption , thermodynamics , mass transfer , constant (computer programming) , swing , mechanics , algebraic number , dimension (graph theory) , chemistry , mathematics , materials science , physics , computer science , mathematical analysis , engineering , mechanical engineering , geometry , pure mathematics , programming language
Abstract Scaling rules have been developed which are able to change the dimension of a pressure swing adsorption plant keeping its main performance constant. Such scaling rules result from a system of algebraic equations which arises by constraining the solution of a fairly general dimensionless mathematical model to be the same in the old and new plant configuration. Different heat and mass transfer mechanisms, purification, and multicomponent bulk separation processes, both isothermal and nonisothermal, have been considered. Furthermore, the influence of different equilibrium isotherms and the main practical limitations have been discussed. The application of these rules shows that column size can be reduced significantly by using smaller particles in shorter beds with rapid cycles.