On August 28, 2009, waves of cheers grew louder and louder within the vast 260,000-square-meter facility of Hebei Jinyuan Chemical Co., Ltd. A food-grade carbon dioxide production unit, built to international quality standards—invested in by Hebei Jinyuan Chemical Co., Ltd. and constructed by Hangzhou Kuai Kai High-Efficiency Energy-Saving New Technology Co., Ltd.—officially commenced operations. Thanks to the joint efforts and close cooperation between Hebei Jinyuan Chemical’s technical staff and our company’s technical service personnel, the unit was successfully commissioned on the first attempt and produced qualified products, with the entire process proceeding very smoothly.

  Hebei Jinyuan Chemical Co., Ltd. is a diversified, comprehensive fertilizer enterprise with an annual production capacity of 260,000 tons of synthetic ammonia, 260,000 tons of ammonium bicarbonate, 120,000 tons of methanol, 20,000 tons of formaldehyde, 50,000 tons of sulfur-based compound fertilizer, and 20,000 tons of dimethyl ether. Amid a challenging economic climate, the company decided to develop a circular economy in accordance with the national requirements of the Scientific Outlook on Development, in order to better adapt to the market and enhance its competitiveness. Utilizing the CO₂ industrial exhaust gas emitted from the PSA decarbonization unit of the company’s synthetic ammonia system to produce market-demanded liquid CO₂ products not only meets environmental requirements for emissions reduction but also generates profits for the company and enhances its risk-resilience. To ensure thoroughness, we conducted a careful comparison of several well-known domestic liquid CO₂ design firms and their reliability, ultimately deciding to adopt the new technology for producing food-grade liquid CO₂ developed by our company in accordance with international quality standards. Based on the composition of the CO₂ feed gas from Hebei Jinyuan Chemical Co., Ltd., our company finalized the design plan and carried out the engineering design, commissioning, and debugging.

  On August 30, 2009, the plant began producing liquid carbon dioxide, with product quality meeting national standards. According to on-site production testing, the product purity exceeds 99.99% and total hydrocarbons are ≤20 ppm, both of which meet the quality requirements for international food-grade carbon dioxide and represent an advanced level in the industry.

  The application of our patented technology for producing food-grade CO₂ to international quality standards at Hebei Jinyuan Chemical Co., Ltd. has proven highly successful. The complete plant offers advantages such as low investment costs, high product quality, stable production, and low energy consumption. It represents the optimal choice for fertilizer enterprises seeking to develop a circular economy, conserve energy and reduce emissions, lower production costs, fulfill social responsibilities, and enhance overall corporate competitiveness.