Carbon dioxide utilization device and method based on renewable energy sources

• Main Authors: WEI ZHIQIANG, JIANG RONGXING, HUANG MENGQI, DAI WENSONG, ZHANG XU
• Format: Patent
• Language: Chinese; English
• Published: 27.10.2023
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; APPARATUS THEREFOR; CHEMISTRY; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS; METALLURGY; ORGANIC CHEMISTRY

The invention discloses a renewable energy source-based carbon dioxide utilization device and method. The device comprises a flue gas pretreatment system, a carbon dioxide separation system, a carbon dioxide boosting system, a water electrolysis system, a hydrogen boosting system, a reaction system and a methanol storage and conveying system, the flue gas pretreatment system is provided with a flue gas inlet and a purified flue gas outlet, and the purified flue gas outlet is sequentially connected with the carbon dioxide separation system, the carbon dioxide boosting system and the reaction system through pipelines; the water electrolysis system is provided with a waste power supply input port, an oxygen outlet and two hydrogen outlets, and any hydrogen outlet is sequentially connected with the hydrogen boosting system and the reaction system through a pipeline. According to the method, renewable energy sources are utilized to generate power and produce hydrogen, hydrogen produced by electrolyzed water reacts