Method for electrocatalytically and selectively reducing alkyne impurities in olefin
A selective and electrocatalytic technology, applied in the direction of electrodes, electrolysis process, electrolysis components, etc., can solve the problems of poor alkyne conversion rate and selectivity, no commercial feasibility, low solubility of olefins, etc., to achieve low cost, Excellent product selectivity, the effect of improving the conversion rate
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Embodiment 1
[0057] (1) The gas diffusion electrode made of Fe nanoparticles is used as the cathode of the electrolytic cell; the gas diffusion electrode made of iridium oxide catalyst is used as the anode of the electrolytic cell; both the catholyte and the anolyte are 1M KOH solution, and an anion is used between exchange membrane isolation, and as figure 1 The schematic diagram of the apparatus shown assembles the various components.
[0058] (2) Use a gas mass flowmeter to control the flow rate of the acetylene-ethylene mixed reaction gas to 50 sccm.
[0059] (3) A peristaltic pump is used to control the flow rate of catholyte and anolyte to 50 sccm.
[0060] (4) The catalytic activity of Fe nanoparticles was characterized by potentiostatic method.
[0061] The catalyst composition and specific evaluation results are shown in Table 1.
Embodiment 2
[0063] (1) The gas diffusion electrode made of Au nanoparticles is used as the cathode of the electrolytic cell; the gas diffusion electrode made of iridium oxide catalyst is used as the anode of the electrolytic cell; both the catholyte and the anolyte are 0.5M H 2 SO 4 solution, separated by a proton exchange membrane, and as figure 1 The schematic diagram of the apparatus shown assembles the various components.
[0064] (2) Use a gas mass flowmeter to control the flow rate of the acetylene-ethylene mixed reaction gas to 50 sccm.
[0065] (3) A peristaltic pump is used to control the flow rate of catholyte and anolyte to 50 sccm.
[0066] (4) The catalytic activity of Au nanoparticles was characterized by potentiostatic method.
[0067] The catalyst composition and specific evaluation results are shown in Table 1.
Embodiment 3
[0069] (1) The gas diffusion electrode made of Ag nanoparticles is used as the cathode of the electrolytic cell; the gas diffusion electrode made of iridium oxide catalyst is used as the anode of the electrolytic cell; both the catholyte and the anolyte are 1M KOH solution, and an anion is used between exchange membrane isolation, and as figure 1 The schematic diagram of the apparatus shown assembles the various components.
[0070] (2) Use a gas mass flowmeter to control the flow rate of the acetylene-ethylene mixed reaction gas to 50 sccm.
[0071] (3) A peristaltic pump is used to control the flow rate of catholyte and anolyte to 50 sccm.
[0072] (4) The catalytic activity of Ag nanoparticles was characterized by potentiostatic method.
[0073] The catalyst composition and specific evaluation results are shown in Table 1.
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