Coplanar interdigitated band electrodes for electrosynthesis—Part 3: Epoxidation of propylene

Belmont, C.; Giault, H.H.

doi:10.1016/0013-4686(95)00133-y

Cited by 26 publications

(27 citation statements)

References 8 publications

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“…Several model reactions have been dealt with in the literature to emphasise the benefits of ECMRs versus conventional cells with and without supporting electrolyte [10,[14][15][16]. Two reactions, in particular, have been chosen for modelling of new microreactors as compared to model reactions for industrial production.…”

Section: Model Reactions For the Testing Of Ecmrmentioning

confidence: 99%

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Electrochemical microstructured reactors: design and application in organic synthesis

et al. 2009

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The use of micro structured reactors is an accepted technology in fundamental chemical research as well as in industrial applications. The application of electrochemical microreactors (ECMR) has not attracted as much attention as continuously performed reactions in a confined space. Nevertheless ECMRs are in use to perform electro-organic reactions. In this review, different aspects of ECMRs with structured electrodes and interelectrode distances of mainly B100 lm are investigated and discussed, together with various manufacturing techniques and prototypes described therein. Based on representative examples described in various publications for electrolysis (for direct and indirect electrolysis) advantages and disadvantages of electrochemical microreactors are presented and compared with those of conventional electrochemical reactors. List of symbolsA e Electrode surface A e = Lw (m 2 ) a e Volume specific electrode area (m -1 ) a inv Specific investment costs (€/m 2 h) A, B, C, D Reagent or product of the electrochemical reaction b A Kinetic constant of the reaction involving reagent A (V -1 ) b inv Current costs (€/kW h) C A Concentration of reagent A (mol m -3 or mol L -1 ) D Inter-electrode gap (m) d e Electrode thickness (m) d eq Equivalent or hydraulic diameter D Diffusion coefficient (m 2 s -1 ) E c , E a Cathodic, anodic potential (V) E c e ; E a e Cathodic, anodic equilibrium potential (V) E cell Cell voltage (V) E tn Thermoneutral cell voltage F Faraday constant (96,486 A s mol -1 ) i Current density (A m -2 )

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Section: Model Reactions For the Testing Of Ecmrmentioning

confidence: 99%

“…Based on these characteristics and on the generally improved performance of microreactors [7], different ECMRs have been manufactured and evaluated in the last decade for electroorganic synthesis [8][9][10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Electrochemical microstructured reactors: design and application in organic synthesis

et al. 2009

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“…Interdigitated coplanar band electrodes were made from platinum ink printed on alumina and their application to the epoxidation of propylene investigated in both a tank cell and flow cell [44], using a convergent paired process. Bromide solutions were saturated in propylene, then the bromide oxidised to bromine at the anode, which then reacts with water to form hypobromous acid.…”

Section: Formation Of Propylene Oxidementioning

confidence: 99%

Towards paired and coupled electrode reactions for clean organic microreactor electrosyntheses

et al. 2006

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“…Interdigitated band array electrodes have been employed successfully to study conducting polymers and redox active films [6] as well as systems in electro-analytical sensing [7,8]. Experiments in microfluidic devices [9] and applications in electro-synthesis [10] have been reported. Recently, we have demonstrated that junction electrodes [11] and interdigitated band array electrodes [12] are also useful in the study of paired ion transfer processes at coupled triple phase boundary reaction zones.…”

Section: Introductionmentioning

confidence: 99%

Ion Transport Across Liquid|Liquid Interfacial Boundaries Monitored at Generator‐Collector Electrodes

et al. 2010

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Anion transfer processes at a liquid j liquid interface were studied with an interdigitated gold band array electrode. The organic phase, 4-(3-phenylpropyl)-pyridine containing Co(II)phthalocyanine, was immobilised as random droplets at the electrode surface and then immersed into aqueous electrolyte. Oxidation of Co(II)phthalocyanine at the generator electrode was shown to be associated with anion transfer from the aqueous into the organic phase. The corresponding back reduction at the collector electrode with anion expulsion was delayed by the anion/cation diffusion time across the interelectrode gap. A working curve based on a finite difference numerical simulation model was employed to estimate the apparent diffusion coefficients for anions in the organic phase (PF 6 À < ClO 4 À < NO 3 À ). Potential applications in ion analysis are discussed.

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Coplanar interdigitated band electrodes for electrosynthesis—Part 3: Epoxidation of propylene

Cited by 26 publications

References 8 publications

Electrochemical microstructured reactors: design and application in organic synthesis

Electrochemical microstructured reactors: design and application in organic synthesis

Towards paired and coupled electrode reactions for clean organic microreactor electrosyntheses

Ion Transport Across Liquid|Liquid Interfacial Boundaries Monitored at Generator‐Collector Electrodes

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