COPLANAR INTERDIGITATED BAND ELECTRODES FOR ELECTROSYNTHESIS .2. METHOXYLATION OF FURAN

被引:38
作者
BELMONT, C [1 ]
GIRAULT, HH [1 ]
机构
[1] ECOLE POLYTECH FED LAUSANNE, INST CHIM PHYS 3, CH-1015 LAUSANNE, SWITZERLAND
关键词
D O I
10.1007/BF00578085
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Four different platinum coplanar interdigitated band electrodes were screen printed on alumina and their roughness factors were determined by both electrochemical means and by scanning electron microscopy. The influence of the flow rate on the mass transport was investigated and compared with a classic parallel plate cell. The interdigitated printed electrodes were then used for the methoxylation of furan. It was shown that an excellent mass transport could be obtained in a tank reactor. Comparison with a pump cell or packed bed bipolar cell was made. When a 3 V potential difference was applied between an anode and a cathode separated by 250 mum, the current efficiency was 87% and the energy consumption was only 1.4 kW h kg-1. Furthermore, the synthesis was found to be very selective, with only one major byproduct.
引用
收藏
页码:719 / 724
页数:6
相关论文
共 25 条
[1]   MICROARRAY ELECTROCHEMICAL FLOW DETECTORS AT HIGH APPLIED POTENTIALS AND LIQUID-CHROMATOGRAPHY WITH ELECTROCHEMICAL DETECTION OF CARBAMATE PESTICIDES IN RIVER WATER [J].
ANDERSON, JL ;
WHITEN, KK ;
BREWSTER, JD ;
OU, TY ;
NONIDEZ, WK .
ANALYTICAL CHEMISTRY, 1985, 57 (07) :1366-1373
[2]   HYDRODYNAMIC VOLTAMMETRY AT CHANNEL ELECTRODES .9. EDGE EFFECTS AT RECTANGULAR CHANNEL FLOW MICROELECTRODES [J].
AOKI, K ;
TOKUDA, K ;
MATSUDA, H .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1987, 217 (01) :33-47
[3]   DIGITAL-SIMULATION OF THE MEASURED ELECTROCHEMICAL RESPONSE OF REVERSIBLE REDOX COUPLES AT MICROELECTRODE ARRAYS - CONSEQUENCES ARISING FROM CLOSELY SPACED ULTRAMICROELECTRODES [J].
BARD, AJ ;
CRAYSTON, JA ;
KITTLESEN, GP ;
SHEA, TV ;
WRIGHTON, MS .
ANALYTICAL CHEMISTRY, 1986, 58 (11) :2321-2331
[4]  
BELLAMY AJ, 1982, CHEM IND-LONDON, P863
[5]  
BELMONT C, IN PRESS J APPL ELEC
[6]  
Coeuret F., 1993, ELEMENTS GENIE ELECT, V2nd
[7]   PASSIVATION OF CADMIUM IN ALKALINE-SOLUTION - MECHANISTIC STUDY USING CYCLIC VOLTAMMETRY [J].
DUHIREL, Y ;
BEDEN, B ;
LEGER, JM ;
LAMY, C .
ELECTROCHIMICA ACTA, 1992, 37 (04) :665-671
[8]  
FLEISCHMAN M, 1987, ULTRAMICROELECTRODES
[9]  
JANSSON REW, 1978, CHEM IND-LONDON, P96
[10]  
JANSSON REW, 1979, AICHE S SERIES, V185, P2