ELECTROCHEMICALLY MODULATED COMPLEXATION PROCESS FOR GAS REMOVAL AND CONCENTRATION

被引:14
作者
TERRY, PA
WALLS, HJ
NOBLE, RD
机构
[1] UNIV COLORADO,DEPT CHEM ENGN,BOULDER,CO 80309
[2] UNIV COLORADO,DEPT CHEM & BIOCHEM,BOULDER,CO 80309
关键词
D O I
10.1002/aic.690411206
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
An electrochemically modulated complexation process was designed to extract and concentrate a gas-phase solute. The process was based on flowthrough electrolysis cells that electrochemically modulate a liquid-phase mass-transfer agent between high and low solute affinity forms. The liquid phase in the high-affinity form contacts a feed gas phase for the extraction and contacts the receiving gas phase in the low-affinity form. The chemical system used to demonstrate the general process was a Cu(II)Cu(I) redox couple in an acidic chloride electrolyte to both concentrate carbon monoxide against a pressure gradient and selectively separate it from a mixture with nitrogen. Experimental results and modeling of this process are reported. The kinetics of the electrolysis reactions in the flow cells are discussed within the context of relating ring disk voltammetry experiments.
引用
收藏
页码:2556 / 2564
页数:9
相关论文
共 13 条
[1]  
BARD AJ, 1980, ELECTROCHEMICAL METH, pCH8
[2]  
CHALTYKYAN OA, 1966, COPPER CATALYTIC REA
[3]   EXPERIMENTAL AND MODELING STUDIES OF A PARASITIC BINDING MECHANISM IN FACILITATED MEMBRANE-TRANSPORT [J].
DINDI, A ;
NOBLE, RD ;
YU, JH ;
KOVAL, CA .
JOURNAL OF MEMBRANE SCIENCE, 1992, 66 (01) :55-68
[4]   CONTINUOUS ELECTROCHEMICALLY MODULATED COMPLEXATION SEPARATIONS PROCESS [J].
JEMAA, N ;
WALLS, HJ ;
NOBLE, RD ;
WEDMAN, DE ;
KOVAL, CA .
AICHE JOURNAL, 1993, 39 (05) :867-875
[5]   COMBINED MASS AND ENERGY-BALANCE ANALYSIS OF AN ELECTROCHEMICALLY MODULATED EQUILIBRIUM STAGE PROCESS [J].
JEMAA, N ;
NOBLE, RD ;
KOVAL, CA .
CHEMICAL ENGINEERING SCIENCE, 1992, 47 (06) :1469-1479
[6]   SPECTROPHOTOMETRIC INVESTIGATION OF THE COPPER(II)-CHLORO COMPLEXES IN AQUEOUS SOLUTIONS OF UNIT IONIC STRENGTH [J].
MCCONNELL, H ;
DAVIDSON, N .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1950, 72 (07) :3164-3167
[7]   HYDRODYNAMIC POTENTIOMETRY AND AMPEROMETRY AT RING-DISK ELECTRODES [J].
MILLER, B ;
BRUCKENS.S .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1970, 117 (08) :1032-&
[8]   SIMULTANEOUS AND INDEPENDENT POTENTIOSTATIC CONTROL OF 2 INDICATOR ELECTRODES - APPLICATION TO COPPER(2)-COPPER(1)/COPPER SYSTEM IN 0.5M KCI AT ROTATING RING-DISC ELECTRODE [J].
NAPP, DT ;
JOHNSON, DC ;
BRUCKENS.S .
ANALYTICAL CHEMISTRY, 1967, 39 (04) :481-&
[9]   SOLVENT-EXTRACTION WITH MICROPOROUS HYDROPHILIC AND COMPOSITE MEMBRANES [J].
PRASAD, R ;
SIRKAR, KK .
AICHE JOURNAL, 1987, 33 (07) :1057-1066
[10]   FACILITATED TRANSPORT OF CARBON-MONOXIDE THROUGH CUPROUS CHLORIDE SOLUTIONS [J].
SMITH, DR ;
QUINN, JA .
AICHE JOURNAL, 1980, 26 (01) :112-120