One-time through hydrocracking process
A hydrocracking and process technology, applied in hydrocarbon oil cracking, petroleum industry, etc., can solve problems affecting the smooth operation of product equipment, lack of flexibility in operation, optimization of reaction temperature, etc.
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[0028] This process plan deals with a heavy distillate oil: 90% heavy vacuum distillate oil VGO mixed with 10% coker wax oil CGO, the main properties of the petroleum hydrocarbon material are: specific gravity 0.9045cm 3 / g, distillation range 350°C-565°C, carbon residue 0.40wt%, sulfur 2.06wt%, nitrogen 2226μg / g.
[0029] The operating conditions of this process plan: the reaction pressure is 15MPa, the hydrogen-to-oil ratio is 1200, the one-pass operation mode is adopted, and the single-pass conversion rate is controlled to be 70wt%. Mid-oil selectivity is calculated as middle distillate (jet fuel and / or diesel fraction) yield divided by converted liquids yield (100 minus tails).
[0030] The hydrorefining catalyst adopts the 3936 hydrorefining catalyst produced by Fushun Petrochemical Company Catalyst Factory.
[0031] Catalyst A1: an amorphous hydrocracking catalyst involved in the present invention.
[0032] Take by weighing a kind of macroporous acidic amorphous silico...
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