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    • 84. 发明申请
    • PROCESS FOR UPGRADING OXYGEN CONTAINING RENEWABLE OIL
    • WO2019138002A1
    • 2019-07-18
    • PCT/EP2019/050554
    • 2019-01-10
    • STEEPER ENERGY APS
    • IVERSEN, Steen B.JENSEN, Claus UhrenholtRODRIGUEZ GUERRERO, Julie Katerine
    • C10G65/04C01B3/38C10G3/00C10G1/00
    • The invention relates to a process for producing an upgraded renewable oil from renewable carbonaceous material(-s) comprising providing an oxygen containing renewable crude oil having an oxygen content in the range of 3.0 to 20 % by weight, a water content of less than 1.5 wt. %, a total acid number in the range from 5 to 80 mg KOH/g, a fraction of the oil having a boiling point below than 350 °C of less than 70 % by weight, and a residue fraction having a boiling point of more than 450 °C of at least 10 %by weight, pressurisingthe oxygen containing renewable crude oil to an operational pressure in the range 60 to 200 bar; adding and mixing hydrogen to the pressurized oxygen containing renewable crude oil,contacting the pressurized mixture with at least one heterogeneous catalyst contained in a first reaction zone at a temperature of 260 to 350 °C having a weight based hourly space velocity (WHSV) in the range 0.1 to 1 h -1 so as to produce a partially hydrogenated and deoxygenated oil,separating water, gas and optionally a low boiling fraction from the partially hydrogenated and deoxygenatedoil from the first reaction zone, heating the partially hydrogenated and deoxygenated oil from the first reaction zone to a temperature in the range 350 to 400 °C,contacting the partially hydrogenated and deoxygenated oil with at least one heterogeneous catalysts in a second reaction zone at a temperature of 350 to 400 °C at weight based hourly space velocity (WHSV) in the range 0.1 to 1.5 h -1 , separating the product from the second reaction zone into a at least a gas fraction, a water fraction, a low boiling point renewable liquid hydrocarbon fraction and a high boiling point renewable liquid hydrocarbon fraction, contacting the low boiling point fraction from the second reaction zone with hydrogen and one or more heterogeneous catalysts at a temperature in the range 350 to 390 °C in a third reaction zone having a weight based space velocity in the range 0.1 to 1 h -1 , thereby producing a first product stream and contacting the high boiling point oil fraction with hydrogen and one or more heterogeneous catalysts at a temperature in the range 360-420 °C in a fourth reaction zone having a weight based space velocity in the range 0.1 to 1 h -1 , thereby producing a second product stream.