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C4X

C4X

C4X is a Suzhou and Toronto-based carbon capture and storage company converting waste CO2 into chemicals and plastics.

C4X is a team that dedicates to the research & development of carbon dioxide utilization technology, including capture, conversion, and utilization of industrial flue gas from thermal power plants, mining, cement, steel making, winery, etc. The team focuses on the production of high-value basic chemical materials and new energy sources including ethylene carbonate (EC), ethylene glycol (EG), methanol, etc. through chemical reactions with their novelty nanocatalysts, and the production of supercritical CO2 foamed plastic products.

Being part of NRG COSIA Carbon Xprize

C4X Technologies Inc. from Toronto, Canada, and Green Carbon Technology (Suzhou) Co., Ltd. from Suzhou, China were set up by Team C4X (China Canada CO2 Conversion X) to transform CO2 from flue gas into something valuable. Based in China, Canada, and the USA, the company embraces the world’s low-carbon economy worth trillion dollars. This object complies with the trend of green, recycling development with low carbon emission. C4X is one of the ten finalists of NRG COSIA Carbon Xprize for the final competition at the ITC of Wyoming, USA with four other finalists from the USA, Canada, UK, and India.

Core technologies

C4X has three core technologies in CO2 utilization. These are:

  • Utilizing chemical absorption method to recover low concentration carbon dioxide (12% in the flue gas of coal power plant) first by utilizing composite alkali solution as the absorbent; After the recovery of carbon dioxide to more than 95% concentration gas state, it is then compressed, purified, liquefied and distilled with reducing temperature. Liquid carbon dioxide is obtained.
  • Designing a new process for carbon dioxide conversion with carbon dioxide as raw material, direct synthesis of ethylene carbonate; Compared with the industrial mature Shell Omega process, the company's process has a high catalytic activity, good selectivity, and has a 100% atomic economy.
  • Developing one of the most advanced supercritical CO2 foamings of polymers with nano cellulose fiber to make super strong and light foamed products with a density of 25kg/m3.

Products

C4X has created many products such as ethylene carbonate, ethylene glycol, methanol, and ScCO2 foamed XPP (XPP sheets).

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