On September 2nd, Sinopec approved the Sinopec Hengyi Xiaoshan Annual report on the feasibility study of 200,000 tons of caprolactam project reported by Baling Petrochemical and the Sinopec Xiaoyi Caprolactam joint venture joint venture contract and the joint venture's articles of incorporation and agreed with Baling Petrochemical. Represented Sinopec Corp. and Zhejiang Hengyi Petrochemical Co., Ltd. to form a joint venture company. The two parties held a 50:50 equivalent shareholding, registered capital of 1.2 billion yuan, and Baling Petrochemical contributed 600 million yuan in cash. On September 15th, afterwards, Sinopec approved the feasibility study report of the 300,000-ton caprolactam renovation project reported by Baling Petrochemical. The total investment for the project approval was nearly 300 million yuan.

Sinopec headquarters approved a total investment of 3.5528 billion yuan for the caprolactam project jointly invested by Baling Petrochemical and Hengyi Petrochemical, including the construction of a new set of 30,000 standard cubic meters per hour of hydrogen production equipment, two sets of cyclohexanone plants with an annual output of 100,000 tons, and two sets of Annually producing 100,000 tons of cyclohexanone oxime plant (adopting ammonia hydrazine process independently developed by Sinopec) and 2 sets of caprolactam plant with an annual output of 100,000 tons (multiple rearrangement and magnetic stabilization bed hydrorefining independently developed by Sinopec Process), two sets of annual production of 160,000 tons of ammonium sulfate equipment (using Sinopec independently developed in the crystallization technology), two sets of annual output of 130,000 tons of hydrogen peroxide equipment, and supporting public works and ancillary facilities. The project is located in an industrial zone in the southeast of Linjiang Industrial Park, Xiaoshan, Hangzhou, Zhejiang, with a total land acquisition area of ​​76.1 hectares. Sinopec headquarters requested Baling Petrochemical to sign Sinopharm Sinopec and Hengyi Petrochemical to enter into a joint venture contract and articles of association, and to apply for registration and registration of the joint venture company with Hengyi Petrochemical as soon as possible.

The content of the caprolactam reform project with an annual output of 300,000 tons approved by the headquarters of Sinopec Corp. is to develop a caprolactam refining production line with an annual output of 100,000 tons, using self-developed cyclohexanone oxime rearrangement, caprolactam extraction and other caprolactam refining technologies to produce caprolactam. The capacity is expanded to 300,000 tons; a caprolactam line with an annual output of 50,000 tons of caprolactam is added; the ammonium sulphide neutralizing crystallization technology independently developed by Sinopec is used to build a neutralization crystallization reaction system with an annual output of 160,000 tons of ammonium sulfate. A new centrifuge and an ammonium sulfate stacking machine have been added to fully utilize the potential of the existing drying section and support the conversion of ammonium sulfate delivery system to increase the annual production capacity of ammonium sulfate to 478,800 tons. With state-owned technology, an additional set of sulfur dioxide conversion has been added. Combined with the sulfur trioxide absorption system and the existing hydrogen sulphide acid production, it will become an annual production of 60,000 tons hydrogen sulphide acid production line; properly modify the existing bottleneck of the sulphur-burning sulphuric acid plant, replace the liquid sulphur transfer pump and the sulphur burning furnace Burner, sulfur injection, expand the production capacity of sulfuric acid plant to an annual output of 190,000 tons; the existing annual output of 80,000 tons of hydrogen peroxide equipment implementation of expansion and transformation Its annual production capacity to 11 million tons. The project is located in the boundary area of ​​Caprolactam Business Division of Baling Petrochemical, covering a total area of ​​22.95 acres. After the completion of the project, 100,000 tons of caprolactam products and 160,000 tons of ammonium sulfate products will be added annually.

Caprolactam is a basic organic chemical raw material. Its polymers have the advantages of high breaking strength, light weight, good elasticity, friction resistance, corrosion resistance, and mildew resistance. They are widely used in the production of polyamide fibers, polyamide engineering plastics and films. Among them, polyamide fibers are used in wool, knit, woven, cord fabrics, carpets, fishnets and other industries. Polyamide engineering plastics are used in the electronics and automotive industries, and are closely related to the development of the national economy and people’s lives.

In recent years, China's caprolactam production capacity has grown rapidly at an average annual rate of 12%, but it still cannot meet the requirements of the rapid development of the national economy, and it lags far behind the development speed of downstream nylon spinning and engineering plastics processing industries. According to reports, the apparent consumption of caprolactam in China reached 1.12 million tons in 2010, and the caprolactam production capacity of the country was 580,000 tons, the output was 490,000 tons, and 630,000 tons were imported from abroad. The self-sufficiency rate of domestic products was only 43.8%.

Baling Petrochemical, as the largest caprolactam production supplier in China, has always been committed to taking the path of “production, learning, and research” to jointly carry out research and development of new technologies for caprolactam production, and on the production process route with benzene as the main raw material. We have developed a series of new caprolactam production technologies with independent intellectual property rights.

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