Electrochemical reduction of CCl2F2 on nafion solid polymer electrolyte composite electrodes

被引:16
作者
Delli, E [1 ]
Kouloumtzoglou, S [1 ]
Kyriacou, G [1 ]
Lambrou, C [1 ]
机构
[1] Aristotelian Univ Salonika, Dept Chem Engn, GR-54006 Thessloniki, Greece
关键词
D O I
10.1039/a804210a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The electrochemical reduction of CCl2F2 (CFC-12) was carried out at Pd, An, Cu and Ag cathodes, which were chemically deposited on Nafion 117 (H+ form) membrane; the main electrolysis product at -1.0 V vs. Ag/AgCl at Au, Pd and Cu was CH4, with current efficiencies (CE) of 14, 15 and 47% respectively, while at Ag cathode, in addition to CH4, a considerable quantity of CH2F2 (CE 60%) was also detected, which might be used as a new technology refrigerant.
引用
收藏
页码:1693 / 1694
页数:2
相关论文
共 9 条
[1]   Palladium-assisted electrodehalogenation of 1,1,2-trichloro-1,2,2-trifluoroethane on lead cathodes combined with hydrogen diffusion anodes [J].
Cabot, PL ;
Centelles, M ;
Segarra, L ;
Casado, J .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1997, 144 (11) :3749-3757
[2]   Electrosynthesis of trifluoroethene and difluoroethene from 1,1,2-trichloro-1,2,2-trifluoroethane [J].
Cabot, PL ;
Centelles, M ;
Segarra, L ;
Casado, J .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1997, 435 (1-2) :255-258
[3]   CONVERSION UNDER HYDROGEN OF DICHLORODIFLUOROMETHANE OVER SUPPORTED PALLADIUM CATALYSTS [J].
COQ, B ;
COGNION, JM ;
FIGUERAS, F ;
TOURNIGANT, D .
JOURNAL OF CATALYSIS, 1993, 141 (01) :21-33
[4]  
KIRK I, 1991, ENCY CHEM TECHNOLOGY, V11, P508
[5]   PREPARATION OF CU-SOLID POLYMER ELECTROLYTE COMPOSITE ELECTRODES AND APPLICATION TO GAS-PHASE ELECTROCHEMICAL REDUCTION OF CO2 [J].
KOMATSU, S ;
TANAKA, M ;
OKUMURA, A ;
KUNGI, A .
ELECTROCHIMICA ACTA, 1995, 40 (06) :745-753
[6]  
KYRIACOU D, 1981, BASICS ELECTROORGANI, P114
[7]   STRATOSPHERIC SINK FOR CHLOROFLUOROMETHANES - CHLORINE ATOMIC-CATALYSED DESTRUCTION OF OZONE [J].
MOLINA, MJ ;
ROWLAND, FS .
NATURE, 1974, 249 (5460) :810-812
[8]   CRITERIA FOR SELECTIVE PATH PROMOTION IN ELECTROCHEMICAL REACTION SEQUENCES [J].
SAKELLAROPOULOS, GP .
AICHE JOURNAL, 1979, 25 (05) :781-793
[9]  
WOJDON W, 1994, HYDROCARB PROCESS, V73, P107