{"id":623,"date":"2026-04-14T02:10:33","date_gmt":"2026-04-14T02:10:33","guid":{"rendered":"https:\/\/chinapetrochemequip.com\/?post_type=product&p=623"},"modified":"2026-04-14T02:10:33","modified_gmt":"2026-04-14T02:10:33","slug":"fluid-catalytic-cracking-unit-fccu","status":"publish","type":"product","link":"https:\/\/chinapetrochemequip.com\/ru\/product\/fluid-catalytic-cracking-unit-fccu\/","title":{"rendered":"\u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043a\u0430\u0442\u0430\u043b\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043a\u0440\u0435\u043a\u0438\u043d\u0433\u0430 \u0432 \u043f\u0441\u0435\u0432\u0434\u043e\u043e\u0436\u0438\u0436\u0435\u043d\u043d\u043e\u043c \u0441\u043b\u043e\u0435 (\u0423\u0424-\u041a\u041a\u0421)"},"content":{"rendered":"
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Fluid Catalytic Cracking Unit (FCCU) is a crucial secondary processing unit in modern oil refineries, playing a key role in converting low-value heavy oil fractions into high-value light products. Its main feedstock is vacuum gas oil (VGO), a heavy distillate from the atmospheric and vacuum distillation unit. The core principle relies on a fine zeolite catalyst, which promotes the cracking of long-chain hydrocarbon molecules into shorter, more valuable ones under high-temperature and fluidized bed conditions.<\/div>\n
The unit mainly consists of a riser reactor, disengager, stripper, and regenerator. Preheated VGO is injected into the riser, where it contacts hot regenerated catalyst and undergoes instant cracking. Vapors of light products are separated from the catalyst and sent to fractionation, while spent catalyst (deactivated by coke deposition) is stripped and then regenerated by burning off coke with air, restoring its activity and providing heat for the reaction.<\/div>\n
Key products include high-octane gasoline, olefin-rich LPG, light cycle oil (diesel component), and heavy cycle oil. FCCU significantly improves refinery economic efficiency by maximizing light product yield and serves as a vital source of feedstock for downstream petrochemical processes, making it the “heart” of fuel-oriented refineries.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

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