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The Dalian Xitai Project for the Repurposing of the Dalian Petrochemical Polypropylene Plant and Related Renovations is located at No. 500 Gangxing Street, Dalian Economic and Technological Development Zone, within the premises of Dalian Xipac Petroleum Chemical Co., Ltd. The project is of the renovation and expansion type, with an investment amount of 761.6767 million yuan. Project construction content: Relocate and repurpose some of the equipment and facilities from Dalian Petrochemical Company’s original 200,000 tons per year polypropylene plant and 400,000 tons per year gas fractionation plant. Without increasing Dalian Xitai’s refining capacity by 10 million tons, the capacity of the existing gas fractionation unit will be expanded to 600,000 tons per year, while the capacity of the existing polypropylene plant will be increased to 200,000 tons per year. This approach aims to reduce oil production and increase chemical product production, thereby optimizing the company’s refining and chemical product portfolio. It is also equipped with corresponding environmental protection equipment for dust removal and treatment of organic waste gases. The public, auxiliary, and storage and transportation facilities make use of the existing infrastructure in the factory area, with the capacity of some electrical facilities being increased.
[Common Issues in Haichuan Pipeline Design] – A compilation post; images and text are being updated. Feel free to join the discussion: https://bbs.hcbbs.com/thread-5705828-1-1.html (Source: Haichuan Chemical Forum (Hua Haichuan Liu hcbbs))
In other words, Dalian Petrochemical was demolished, and the used polypropylene plant taken down was purchased by Dalian Xitai, which then built a new polypropylene plant with an annual production capacity of 200,000 tons. It’s better to install a new set of PP equipment, as it provides greater peace of mind when in use.
【Ten Years of Rapid Development in Chemical Processing Equipment】The world’s first industrial unit for high-pressure dry reforming with a capacity of 100 million cubic meters passed on-site evaluation from 2966 to 2026. https://bbs.hcbbs.com/thread-5710893-1-1.html (Source: Haichuan Chemical Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Processing Equipment】The world’s first industrial unit for high-pressure dry reforming with a capacity of 100 million cubic meters passed on-site evaluation from 2966 to 2026. https://bbs.hcbbs.com/thread-5710893-1-1.html (Source: Haichuan Chemical Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Processing Equipment】The world’s first industrial unit for high-pressure dry reforming with a capacity of 100 million cubic meters passed on-site evaluation from 2966 to 2026. https://bbs.hcbbs.com/thread-5710893-1-1.html (Source: Haichuan Chemical Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Processing Equipment】The Tianjin Bohua Safety Organic Liquid Hydrogen Storage and Release Demonstration Project, 2970–2025, has been successfully put into operation. https://bbs.hcbbs.com/thread-5711046-1-1.html (Source: Haichuan Chemical Industry Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Processing Equipment】The first pressure relief device for flow meters in sulfur-containing gas fields in China was put into use between 2027 and 2026. https://bbs.hcbbs.com/thread-5711107-1-1.html (Source: Haichuan Chemical Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Processing Equipment】The first 1,500-meter-class vertical pipeline underwater connector with metal sealing has been certified: 2972-2026 https://bbs.hcbbs.com/thread-5711122-1-1.html (Source: Haichuan Chemical Industry Forum (HCBBS))
【Ten Years of Rapid Development in Chemical Equipment】The first domestically produced helium ionization chromatograph, model 2973-2025, has been officially delivered to the high-end polyolefin project at Blue Sea New Materials. https://bbs.hcbbs.com/thread-5711129-1-1.html (Source: HaiChuan Chemical Forum (HuaHaiChuanLiu hcbbs))
【Ten Years of Rapid Development in Chemical Equipment】Sinopec’s POE plants will use 100% domestically produced DCS systems by 2026; such systems have already been put into use at the Tianjin Nangang ethylene project. https://bbs.hcbbs.com/thread-5711441-1-1.html (Source: Haichuan Chemical Forum (HCBBS))