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This project entails capturing, purifying, and compressing CO2 emissions from exhaust gases. Then, using a catalyst, the CO2 is transformed along with ethylene oxide into a new energy battery electrolyte solvent, ethylene carbonate (also known as EC). This not only addresses carbon emissions but also generates significant economic benefits. It opens up a new avenue for reducing carbon emissions.

Our system utilizes waste carbon dioxide (CO₂) and ethylene oxide as raw materials to produce battery-grade ethylene carbonate. Designed for continuous operation, the unit is engineered to run for up to 8000 hours annually.

In this project, ethylene carbonate is primarily produced by synthesizing ethylene oxide and carbon dioxide under supercritical conditions with the help of a halogen metal catalyst. The product is then purified using extractive distillation to produce battery-grade ethylene carbonate. Depending on the type of reactor used, the industrial-grade ethylene carbonate can be synthesized either in a tubular continuous reactor or a batch reactor. Compared to batch reactors, tubular continuous reactors offer higher reaction efficiency, better selectivity, mature technology, and lower raw material consumption. Therefore, the proposed project will utilize the tubular continuous reactor production process.

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