【Ten Years of Great Progress in Chemical Technology】The \"100,000 tons/year succinic anhydride hydrogenation and hydrolysis process package for producing succinic acid\" from 2012 to 2021 passed the review

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The chemical industry has seen significant development over the past decade; let’s praise the prosperity and strength of modern China. By contributing our ideas, we can foster more active participation from everyone. HaiChuan becomes even better with your involvement – we welcome everyone to take part more actively in discussions on this forum. Be careful with fire risks as the heat increases in July. On May 19, 2021, the “100,000 tons per year process package for the hydrogenation and hydrolysis of maleic anhydride to produce succinic acid,” developed by the Dalian Petrochemical Research Institute of Sinopec and prepared by Shanghai Engineering Company, passed the evaluation conducted by the Ministry of Science and Technology. This technology can provide key support for the large-scale development of polyester-based biodegradable materials in China. The Dalian Research Institute of Petrochemical Technology, belonging to Sinopec, holds the independent intellectual property rights for this set of technologies. Based on these rights, it developed China’s first process package for a 100,000-ton/year succinic acid production facility. The quality of the succinic acid produced meets standards superior to those specified in GB/T 34686-2017 for top-grade products, and it fully satisfies the requirements of the polymerization processes in the downstream stages of the industrial chain. The review committee stated that the process package design and equipment selection are reasonable, the production plan is flexible, and the emissions of waste materials meet the requirements of environmental protection regulations. It is understood that since 2009, the Dalian Institute has been working on research and development for a project aimed at producing succinic acid through the hydrogenation and hydrolysis of maleic anhydride. This project passed the evaluation by the Ministry of Science and Technology in 2015; it solved the key problems associated with the high heat generation during the hydrogenation reaction of maleic anhydride and the tendency for heat accumulation. Long-term operation tests were conducted to verify the reliability of this technology, and 5 Chinese invention patents have been granted for it. Efforts are currently being accelerated to industrialize succinic acid technology and to promote the production and use of biodegradable materials. Furthermore, in May 2021, the Sinopec Beijing Research Institute’s \"Process Package for a 60,000-ton/year PBST (biodegradable polyester material) production facility\" and the \"Maleic Anhydride Hydrogenation Catalyst and Process Package for a 20,000-ton/year production line for producing succinic acid via maleic anhydride hydrogenation\" were successively approved by the Group’s Science and Technology Department. Based on these approvals, engineering designs for industrial production facilities will be carried out, providing key technical support for the large-scale development of biodegradable polyester materials in China.