Effect of Feed Location on the Performance of Single-Stage Membrane Permeators

Autor:	Gregory R. Carmichael, Randall A. Yoshisato
Rok vydání:	1989
Předmět:	Membrane Single stage Chemistry Process Chemistry and Technology General Chemical Engineering Analytical chemistry Filtration and Separation General Chemistry Moderate difficulty Mechanics Axial distance Gas compressor Dimensionless quantity
Zdroj:	Separation Science and Technology. 24:399-413
ISSN:	1520-5754 0149-6395
DOI:	10.1080/01496398908049777
Popis:	The effect of feed location on the performance of single-stage membrane permeators was determined based on the minimum unit compressor load (recycle ratio). Since certain feed locations correspond to several well-known permeator configurations (e.g., simple recycle permeator, continous membrane column), it is possible to characterize the relative performance of these configurations for separating binary gas mixtures. For separations involving oxygen, nitrogen, and carbon dioxide, it was found that the location of feed introduction was related to the apparent difficulty of separation. For binary seprations of low to moderate difficulty, the optimum feed location was at a dimensionless axial distance of 0.6 to 0.75 from the top of the column. This feed location corresponded to the continuous membrane column configuration. For difficult separations, the optimum feed location was at the top of the column which corresponded to the simple recycle permeator. Based on this study, the simple recycle perme...
Databáze:	OpenAIRE
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