19/10/2017
Press release: Gazprom neftekhim Salavat tests pressure swings adsorbtion unit
Test run of pressure swing adsorption (PSA) unit took place at Gazprom neftekhim Salavat.
Basic figures have been achieved at a new unit of pressure swing adsorption. The test run resulted in the expected high purity of hydrogen, which is 99.9%.
The PSA unit is designed to treat hydrogen-bearing gas that is produced by several units of the Refinery and the Monomer Plant. 10 adsorbers form the core of the PSA unit. Hydrogen-bearing gas flows are sent through them and treated from impurities. The output provides 99.9% hydrogen.
The PSA unit makes it possible to raise production of fuels, complying with the highest Euro-5 ecological class. High purity hydrogen simplifies hydrogenation processes in such secondary oil processing units as a hydrotreatment one. Initially, when the feed was refined by low purity hydrogen at GO-2, GO-3, GO-4, L-16 hydrotreatment units, the process temperature was required to be increased. This forced the rate of side reactions and boosted the quantity of byproducts.
— Once the PSA unit will be put into operation, the situation will change: diesel fuel and gasoline flowrates will increase, the plant will save energy resources by excluding or reducing the refining of byproducts, the cycle length and activity of catalysts will enhance, — Rustem Galiev, Director for Investments and Capital Construction, notes.
Environmental advantages will be significant. Whereas the exhaust gas used to be vented and discharged to flare, now the spent hydrogen-bearing gas will be collected in the PSA unit and sent back to process at the Refinery. The remaining dry gas will be forwarded to the fuel network of the plant that will allow reducing natural gas consumption.
For reference
Gazprom neftekhim Salavat is an affiliate of Gazprom Pererabotka and one of the largest oil refining and petrochemical complexes in Russia with a complete cycle of crude hydrocarbons processing. The range of products includes gasolines, diesel fuel, kerosene, other oil products, liquefied gases, butyl alcohols, plasticizers, polyethylene, polystyrene, ammonia, urea and other products. Being the major exporter in Russia, the Company constantly revamps the existing production facilities and constructs new plants, implements up-to-date automated process control systems and improves the governance structure for optimization of the Company operations.Другие новости этого раздела:
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