Zhongyuan Petrochemical Accelerated the pace of the construction of industrial trials for the isomerization of butenes. At present, the main equipment intensive tower of the project has reached the installation site.
The fortified tower is 40 meters long and weighs 22 tons. The company attaches great importance to this project. Since the construction of the project started, the planning office, engineering company and other units have been constantly working and working overtime, striving to complete and put into production as soon as possible.
Zhongyuan Petrochemical develops butene-2 ​​heterogeneity as butene-1 technology with Sinopec's proprietary intellectual property rights, increasing the use of by-products and stretching the industrial chain. For a long time, butene-2, a by-product of Zhongyuan Petrochemical's butene-1 unit, has not been used in the region as a downstream device. As the sales performance of LPG is low, the selling price is low, and waste is caused. The company decided to integrate it. use. The butene isomerization unit mixes the carbon tetra-isomerization feedstock with the by-product of the butene-1 plant. Under the action of the catalyst, the isomerization reaction is carried out. The crude product obtained after the reaction is recovered by heat and is sent to the distiller after concentration. Ethanol --- 1 device separation and purification to obtain high purity butene --- 1 products. The scale of the device is designed to have a reactor throughput of 30,000 tons/year. Divided into three systems including isomerization reaction, butene-1 enrichment and regeneration, including isomerization reactors, electric heaters, cold heat exchange equipment, butene-1 enrichment tower and other major equipment . The features of the device are: short process flow, less unit equipment; higher reaction airspeed, less catalyst loading, and smaller reactor size; unreacted butene-2 ​​recycling increases the yield of butene-1 Heavy components and low impurity content do not affect the product purity of the butene-1 unit. The project is scheduled to be completed and put into production in September this year. It will increase the yield of butene-1, expand the comprehensive value of the carbon-4 resource, reduce the cost of the enterprise, increase the economic and social benefits of the enterprise, and have a better market prospect. Broad application prospects.
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