摘要:
The gas oil fraction hydrotreatment process of the invention is characterized by using a hydrorefined petroleum-based hydrocarbon oil with a sulfur content of 5-15 ppm by mass, a total aromatic content of 10-25% by volume and a boiling point range of 150-380° C. as the feed oil and subjecting the feed oil to hydrotreatment in the presence of a hydrogenation catalyst to obtain an ultralow sulfur and low aromatic gas oil fraction having a sulfur content of not greater than 1 ppm by mass and a total aromatic content of not greater than 1% by volume. This hydrotreatment process allows production of a “zero sulfur” and “zero aromatic” gas oil fraction in an efficient and reliable manner without provision of special operating conditions or equipment investment.
摘要:
A process of the present invention for producing a hydrotreated gas oil has a step for obtaining a product oil having a total aromatic content of 3% by volume or less by hydrogenating a hydrotreated oil including 95% by volume or more of fraction having a boiling point range of 150-380° C., a sulfur content of 2-15 ppm by mass, a total aromatic content of 10-25% by volume, and a naphthene of 20-60% by volume in the presence of a hydrogenation catalyst; and a step for obtaining, by hydrogenating the above-described product oil in the presence of a hydrogenation catalyst containing a crystalline molecular sieve component, a product oil satisfying the conditions that the content of petroleum fraction having a boiling point range of lower than 150° C. is 16% by volume or less, and the sum of the total aromatic content and the total naphthene content is 80% or less relative to the sum of these in the hydrotreated oil.
摘要:
The gas oil fraction hydrotreatment process of the invention is characterized by using a gas oil fraction with a sulfur content of 0.8-2% by mass and a total aromatic content of 20-35% by volume as the feed oil and subjecting the feed oil to hydrotreatment in the presence of a hydrogenation catalyst comprising at least one metal from among Group 6A metals and at least one metal from among Group 8 metals as active metals, and under reaction conditions with a reaction temperature of 330-390° C., a hydrogen partial pressure of 12-20 MPa and a liquid hourly space velocity of 0.1-1 h−1, to obtain an ultralow sulfur and low- aromatic gas oil fraction having a sulfur content of not greater than 1 ppm by mass and a total aromatic content of not greater than 1% by volume. This hydrotreatment process allows production of a “zero sulfur” and “zero aromatic” gas oil fraction in an efficient and reliable manner without provision of special operating conditions or equipment investment.
摘要:
The present invention provides a hydrodesulfurization that can attain an extremely high depth of desulfurization to a sulfur content of 10 ppm by mass and maintain such a high desulfurization activity for a long period of time. The catalyst comprises an inorganic porous support containing alumina and phosphorus, at least one active metal selected from the metals of Group 8 of the periodic table, and at least one metal selected from the metals of Group 6A of the periodic table, the Group 8 metal and the Group 6A metal being contained in a molar ratio defined by (oxide of the Group 8 metal)/(oxide of the Group 6A metal) ranging from 0.055 to 0.150, and the content of the Group 6A metal in terms of oxide being in the range of 30 to 40 percent by mass based on the mass of the catalyst.
摘要:
Diesel gas oil feedstock with 1-3 wt % sulfur can be hydrodesulfurized to a diesel gas oil with 0.05 wt % or less sulfur and a Saybolt color of +20 or higher, by defining a hydrogenation region in a fixed bed reactor with a first hydrogenation zone for dibenzothiophene, 1-, 2- and 3-methyldibenzothiophenes, a second hydrogenation zone for 4-methyldibenzothiophene and 4,6-dimethyldibenzothiophene and a third hydrogenation zone for thiols, sulfides and other sulfur-containing substances.
摘要:
The present invention provides an environment friendly aviation fuel base oil having combustibility, oxidation stability and excellent life cycle characteristics and contributing to diversification of primary energy, which is produced by hydrotreating a feedstock comprising a mixed oil of an oxygen-containing hydrocarbon compound originating from an animal or vegetable fat and a sulfur-containing hydrocarbon compound or a feedstock comprising said mixed oil and a petroleum base oil produced by refining crude oil and an aviation fuel composition comprising the aviation fuel base oil, and an aviation fuel composition containing such an aviation fuel base oil.
摘要:
A method for producing an aviation fuel oil base, including: a first step of obtaining a first generated oil by hydrotreating a feedstock by bringing a feedstock which includes an oxygen-containing hydrocarbon compound derived from an animal or vegetable oils and fat into contact with a first dual functional catalyst which has dehydrogenation and hydrogenation functions and which includes a metal of group 6B of the periodic table, a metal of group 8, and an amorphous solid acidic substance, in the presence of hydrogen; and a second step of obtaining a second generated oil including an aviation fuel oil base by hydroisomerizing the first generated oil by bringing the first generated oil into contact with a second dual functional catalyst which has dehydrogenation and hydrogenation functions and which includes a metal of the group 8 of the periodic table and a crystalline solid acidic substance, in the presence of hydrogen.
摘要:
The present invention provides a fuel composition capable of suppressing reduction of fuel consumption, maintaining the excellent exhaust gas properties of a Fischer-Tropsch synthetic oil. The fuel composition comprises a Fischer-Tropsch synthetic oil and a petroleum-based hydrocarbon mixture A having the following properties (1) to (5) in an amount of 10 to 30 percent by volume on the basis of the total mass of the composition: (1) 15° C. density: 800 Kg/cm3 or greater and 900 Kg/m3 or less; (2) 10 volume % distillation temperature (T10): 150° C. or higher and 200° C. or lower; (3) 97 volume % distillation temperature (T97): 270° C. or lower; (4) aromatic content: 40 percent by volume or more and 70 percent by volume or less; and (5) sulfur content: 30 ppm by mass or less.
摘要翻译:本发明提供能够抑制燃料消耗的降低,维持费 - 托合成油优异的废气性能的燃料组合物。 燃料组合物包含基于组合物的总质量的10至30体积%的具有以下性质(1)至(5)的费 - 托合成油和石油基烃混合物A: (1)15℃密度:800Kg / cm 3以上900kg / m 3以下; (2)10体积%蒸馏温度(T10):150℃以上且200℃以下; (3)97体积%蒸馏温度(T97):270℃以下; (4)芳香族含量:40体积%以上且70体积%以下; 和(5)硫含量:30质量ppm以下。
摘要:
The production process of the invention comprises a first step of hydrodesulfurizing of catalytically-cracked gasoline so as to result in an olefin hydrogenation rate of no greater than 25 mol % in the catalytically-cracked gasoline, a total sulfur content of no greater than 20 ppm by weight based on the product oil weight, a sulfur content derived from thiophenes and benzothiophenes of no greater than 5 ppm by weight and a sulfur content derived from thiacyclopentanes of no greater than 0.1 ppm by weight, and a second step of further hydrodesulfurizing of the product oil obtained by the first step so as to result in a total of no greater than 30 mol % for the olefin hydrogenation rate in the first step and the olefin hydrogenation rate in the second step, a total sulfur content of no greater than 10 ppm by weight based on the product oil weight, and a sulfur content derived from thiols of no greater than 5 ppm by weight.
摘要:
A method for producing a lubricant base oil includes contacting feedstock containing normal paraffins having not less than 20 carbon atoms with a first catalyst in the presence of molecular hydrogen to obtain a first produced oil, and contacting the first produced oil with a second catalyst in the presence of molecular hydrogen to obtain a second produced oil. The first catalyst includes a first carrier in which a fraction of an amount of NH3 to be desorbed at 300 to 800° C. based on a total amount of NH3 to be desorbed is 80 to 90% in temperature-programmed desorption of NH3, a first metal selected from metals of Group VI in the periodic table carried on the first carrier, and a second metal selected from metals of Group VIII to Group X in the periodic table carried on the first carrier.