Double-phase hydrogenating method
An additive and hydrogen technology, applied in the field of hydrocarbon oil hydrogenation, can solve the problems of reducing the mass transfer and reaction speed of fresh feed oil and hydrogen, and achieve the effect of low operating cost, small hydrogen loss, and large operating flexibility.
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[0074] Such as figure 1 As shown, the reactor shown in the figure is a four-stage catalyst bed. Fresh raw oil 1 is mixed with hydrogen 2 and cycle oil 17 in the first mixer 3 in the presence of part of the solvent or diluent 13, and the mixture flows into the separation tank 4, and the waste gas 14 of the separation tank is separated to become the reactor feed 7, The reactor feed 7 enters the catalyst bed in the first section of the reactor from the top of the reactor 5 to contact and react with the catalyst, and another part of the solvent or diluent 13 is mixed with the hydrogen 2 in the third mixer 10 and discharged from the third mixer exhaust gas 18 , the hydrogen-dissolving solvent or diluent 12 enters the reaction between the first section and the second section catalyst bed, the second section and the third section catalyst bed and the third section and the fourth section catalyst bed of the reactor 5 5, the reaction effluent from the bottom of the reactor 5 enters th...
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