en.Wedoany.com Reported - Recently, the world's first fixed-bed novel copper-based hydrogen chloride-to-chlorine industrial plant, in which China National Chemical Engineering's affiliated Engineering Technology Company participated in process package development and engineering design, successfully passed a 72-hour continuous operation on-site assessment. This marks a significant technological innovation and breakthrough in industrial application for China in the field of catalytic oxidation of hydrogen chloride to chlorine. 
This plant possesses completely independent intellectual property rights. It converts by-product hydrogen chloride into chlorine through a catalytic oxidation process, forming a comprehensive chlorine recycling system. It represents a new energy-saving chlorine production technology for achieving sustainable development. This project is also a key link in the chlorine recycling industrial chain of the Shanghai Chemical Industry Park, providing raw material liquid chlorine for downstream enterprises in the park while receiving and treating their by-product hydrogen chloride gas, realizing the recycling of chlorine resources.
Since 2014, China National Chemical Engineering has been involved in the development of this plant's process package, forming a complete set of process technology. In 2020, the design chlorine production capacity was officially set at 30,000 tons per year. Since then, the company has deeply collaborated with Shanghai Chlor-Alkali Chemical Co., Ltd., progressing through stages such as process package refinement, basic design, and detailed design. It provided substantial professional support in areas like equipment selection and material choice, control scheme optimization, and safety design, ultimately achieving the leap from laboratory-scale to production-scale equipment.
In the next step, the Engineering Technology Company will continue to deepen strategic coordination, promote technological innovation and large-scale application, assist the chemical industry in resource recycling and transformation/upgrading, and contribute engineering technology strength to realizing the group company's "135" development strategy.
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