Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/75284
Type: Artigo de periódico
Title: STUDY OF MASS-TRANSFER EFFICIENCY IN PERVAPORATION PROCESSES
Author: MATTOS, IL
DECASTRO, MDL
Abstract: A method for the determination of the mass-transfer efficiency of pervaporation processes through semipermeable membranes is reported. Aliquots of ammonium ion solution were injected sequentially into two parallel manifolds with and without a pervaporation unit, both using the same reaction zone and detector. A channel which transports the Nessler's reagent was merged with the channels from both manifolds and the area of the peak obtained on passage of the reaction product through the photometric detector was used as the analytical signal. The variables influencing the efficiency of the pervaporation process (i.e., flow-rate, temperature, type of membrane, halting of the flow, etc.) were exhaustively checked in order to establish the working conditions for optimal development of the separation process.
Subject: SPECTROPHOTOMETRY
FLOW SYSTEM
PERVAPORATION, AMMONIUM
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/0003-2670(94)00273-8
Date Issue: 1994
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

Files in This Item:
File Description SizeFormat 
WOSA1994PX05500003.pdf762.36 kBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.