Complete Technology and Catalyst for Oxidative Dehydrogenation Of Butadiene To Butadiene

The technology of oxidative dehydrogenation of butadiene is to produce butadiene by catalytic oxidative dehydrogenation reaction with butadiene and air as raw materials under steam atmosphere. Butadiene is mainly used in the production of butadiene rubber (BR), styrene-butadiene rubber (SBR) and other rubber products. Since 2010, the Shanghai Institute has studied the technology of oxidative dehydrogenation of butene to butadiene developed the iron series oxidative dehydrogenation catalyst based on the compound spinel structure, and based on the catalyst, cooperated with SEI to develop the corresponding energy-saving butene oxidative dehydrogenation complete set of technology. The ODE-1000TM butadiene oxidative dehydrogenation catalyst and a complete set of technologies developed by Shanghai Institute can provide a dedicated, reliable and independent source of high-quality butadiene without relying on steam cracking units or catalytic cracking units.

The butadiene oxidative dehydrogenation technology developed by Shanghai Institute is used to prepare butadiene by gas phase oxidation, and the domestic achievements achieved on large scale reactor technology and complete technology development over the past decades are fully applied.

The technical characteristics are as follows: Advanced large-scale fixed bed dehydrogenation process, the plant can operate under lower water ratio conditions, uniform temperature distribution, low energy consumption, less wastewater, making the capital cost lower.

The whole process heat coupling technology is adopted to make full use of heat energy and further reduce energy consumption.

◆ Excellent product quality: Highly selective catalyst inhibits a large number of side reactions, the purity of the product butadiene reaches 99.5%, the content of impurities butadiene dimer is less than 10ppm, and the impurities such as acetonitrile, vinylacetylene, and water are also very small.

◆ Flexible raw materials: The catalyst has good anti-impurity properties, and can use the downstream carbon quaternary raw materials of traditional refineries, and can also use the by-product carbon quaternary raw materials of coal chemical MTO.

At present, the main brand of butadiene catalyst is ODE series catalyst and the main product features are as follows:

The complete set of butene oxidative dehydrogenation technology was successfully installed in 100,000 tons/year in Jiangsu in 2017, with advanced technical indicators. ODE series butadiene catalysts have been applied in many fields.

◆ High activity: ODE series catalyst has a low temperature, wide application range of space speed and pressure, and the high conversion rate of raw material butene.

◆ High selectivity: ODE series catalyst, deep oxidation products are reduced, the COD index of wastewater is significantly reduced, and material consumption and energy consumption is significantly reduced.

◆ High stability: ODE series catalyst, life of more than 18 months, one-way cycle of more than 6 months; Maintain a long period of stable operation, and maintain the reaction performance during operation.

◆ Environmentally friendly: the catalyst has no harmful and corrosive components does not pollute the environment, and is easy to handle.

The complete set of butene oxidative dehydrogenation technology was successfully installed in 100,000 tons/year in Jiangsu in 2017, with advanced technical indicators. ODE series butadiene catalysts have been applied in many installations in Jiangsu and Shandong.

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