Basic data on the source of raw materials and the destination of products for the 2 million-ton catalytic cracking unit

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Raw materials: light wax oil from the atmospheric and vacuum distillation units (70%), and light wax oil from the delayed coking unit (30%). Products: Dry gas: Used as feed gas; Light fractionated gas: Fed to the PSA unit; Liquid gas: Used as a raw material for ethylene production; Light naphtha: Used as a raw material for ethylene production; Heavy naphtha: Used as a raw material for reforming; Light diesel: Sent to the diesel tank area; Heavy diesel: Sent to the diesel tank area; Tail oil: Used as a raw material for ethylene production. Energy consumption for plant operation: 1103.44 MJ/t; 26.36 kg of standard oil per ton of raw material. After energy recovery using hydraulic turbines, the plant’s energy consumption is 1071.12 MJ/t; 25.58 kg of standard oil per ton of raw material. Energy recovered through hydraulic turbines: 650 Kw