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    • 46. 发明申请
    • PRESSURE CASCADED TWO-STAGE HYDROCRACKING UNIT
    • 压力式两级加压装置
    • WO2011043904A1
    • 2011-04-14
    • PCT/US2010/049031
    • 2010-09-16
    • SAUDI ARABIAN OIL COMPANYKOSEOGLU, Omer, Refa
    • KOSEOGLU, Omer, Refa
    • C10G55/00
    • C10G65/10B01J23/8885B01J29/076B01J2219/00006B01J2219/0004C10G45/08C10G47/16C10G65/12C10G2300/202C10G2300/207C10G2300/301C10G2400/02C10G2400/04
    • A method and apparatus for hydrocracking an oil feedstock to produce a light oil stream without build-up of heavy polynuclear aromatic (HPNA) hydrocarbons in the recycle stream is provided. The method includes the steps of (1) hydrocracking the oil feedstock with a hydrotreating catalyst in a first reactor to produce an effluent stream; (2) fractionating the effluent stream into first, second and third product streams, wherein the first product stream includes C 1 -C 4 , naphtha and diesel boiling in the range of 36-370 °C, the second product stream includes hydrocarbon components with an initial nominal boiling point of 370 °C and a final boiling point ranging from 420-480 °C, and the third product stream that includes HPNA hydrocarbons and other hydrocarbons boiling above about 4200C to about 4800C, depending upon the final boiling point of the second product stream; (3) cracking the second product stream in a second reactor; and (4) cracking the third product stream in a third reactor at a higher operational pressure than the second reactor.
    • 提供了一种用于加氢裂化油原料以生产轻油流而不在再循环流中堆积重多环芳烃(HPNA)烃的方法和装置。 该方法包括以下步骤:(1)在第一反应器中用加氢处理催化剂加氢裂化油原料以产生流出物流; (2)将流出物流分馏成第一,第二和第三产物流,其中第一产物流包括在36-370℃范围内沸腾的C1-C4,石脑油和柴油,第二产物流包括具有初始 标称沸点为370℃,最终沸点为420-480℃,第三产物流包括HPNA烃和沸点高于约4200℃至约4800℃的其它烃,这取决于第二产物的最终沸点 流; (3)在第二反应器中裂化第二产物流; 和(4)在第三反应器中以比第二反应器更高的操作压力裂化第三产物流。
    • 47. 发明申请
    • ENHANCED SOLVENT DEASPHALTING PROCESS FOR HEAVY HYDROCARBON FEEDSTOCKS UTILIZING SOLID ADSORBENT
    • 使用固体吸附剂的重油加氢催化剂的增溶溶剂去除方法
    • WO2008051498A2
    • 2008-05-02
    • PCT/US2007/022381
    • 2007-10-19
    • SAUDI ARABIAN OIL COMPANYKOSEOGLU, Omer, Refa
    • KOSEOGLU, Omer, Refa
    • C10G67/04
    • C10G21/003C10G25/00C10G25/003C10G25/05
    • A solvent deasphalting of crude oil or petroleum heavy fractions and residues is carried out in the presence of a solid adsorbent, such as clay, silica, alumina and activated carbon, which adsorbs the contaminants and permits the solvent and oil fraction to be removed as a separate stream from which the solvent is recovered for recycling; the adsorbent with contaminants and the asphalt bottoms is mixed with aromatic and/or polar solvents to desorb the contaminants and washed as necessary, e.g.. with benzene, toluene, xylenes and terahydrofuran. to clean adsorbent which is recovered and recycled; the solvent-asphalt mixture is sent to a fractionator for recovery and recycling of the aromatic or polar solvent. The bottoms from the fractionator include the concentrated PNA and contaminants and are further processed as appropriate.
    • 原油或石油重馏分和残余物的溶剂脱沥青在固体吸附剂如粘土,二氧化硅,氧化铝和活性炭的存在下进行,其吸附污染物并允许将溶剂和油馏分作为 回收溶剂的回收分离物流; 具有污染物的吸附剂和沥青底部物质与芳族和/或极性溶剂混合以解吸污染物并根据需要例如用苯,甲苯,二甲苯和四氢呋喃洗涤。 清洁回收和再循环的吸附剂; 将溶剂 - 沥青混合物送至分馏器以回收和再循环芳族或极性溶剂。 来自分馏器的底部物质包括浓缩的PNA和污染物,并且根据需要进一步加工。