2 results about "Alkoxy radical" patented technology

The invention relates to a novel composite bipolar membrane for preparing low-carbon alcohol alkali metal salt and an electrodialysis process of the novel composite bipolar membrane, and belongs to the technical field of membrane separation and electrochemical synthesis. The composite bipolar membrane comprises a cation exchange layer, a middle catalyst layer and an anion exchange layer which are sequentially laminated and compounded, the process comprises the following steps: introducing a salt solution containing alkali metal ions into an anode chamber of a bipolar membrane electrodialysis system, and introducing a low-carbon alcohol solution into a cathode chamber; applying a direct-current electric field to the two sides of the composite bipolar membrane, so that the low-carbon alcohol is dissociated at the membrane interface to generate alkoxy ions and hydrogen ions; the alkoxy ions migrate to an anode chamber to be combined with the alkali metal ions to generate low-carbon alcohol alkali metal salt; the membrane material is high in adaptability, the membrane structure is good in stability, technological parameters are mature, and the system integration degree is high.

The application relates to a composite bipolar membrane for preparing low-carbon alcohol alkali metal salt and an electrodialysis process thereof, and belongs to the technical field of membrane separation and electrochemical synthesis. The composite bipolar membrane comprises a cation exchange layer, an intermediate catalytic layer and an anion exchange layer which are sequentially laminated in composite. The process comprises the following steps: feeding a salt solution containing alkali metal ions into an anode chamber of a bipolar membrane electrodialysis system, feeding a low-carbon alcohol solution into a cathode chamber; applying a direct current electric field on both sides of the composite bipolar membrane, so that the low-carbon alcohol is dissociated to generate alkoxide ions and hydrogen ions at the membrane interface; the alkoxide ions migrate to the anode chamber and combine with the alkali metal ions to generate low-carbon alcohol alkali metal salt; the membrane material has high adaptability, the membrane structure has good stability, the process parameters are mature, and the system has high integration degree.