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    • 3. 发明申请
    • SYSTEMS AND METHODS FOR PRODUCING A CRUDE PRODUCT
    • 用于生产原料产品的系统和方法
    • WO2010033480A2
    • 2010-03-25
    • PCT/US2009/056915
    • 2009-09-15
    • CHEVRON U.S.A. INC.CHABOT, JulieKOU, BoBRENNAN, Vivion AndrewMARIS, ErinYANG, ShuwuREYNOLDS, BruceBISWAS, GoutamFARSHID, DarushCHEN, Kaidong
    • CHABOT, JulieKOU, BoBRENNAN, Vivion AndrewMARIS, ErinYANG, ShuwuREYNOLDS, BruceBISWAS, GoutamFARSHID, DarushCHEN, Kaidong
    • C10G69/04C10G69/06
    • C10G65/12C10G47/26C10G2300/1044C10G2300/1074C10G2300/202C10G2300/203C10G2300/206C10G2300/208C10G2300/302C10G2300/308C10G2300/4081C10G2300/44C10G2300/805C10G2400/02C10G2400/04C10G2400/08C10G2400/28
    • Systems and methods for hydroprocessing a heavy oil feedstock with reduced heavy oil deposits, the system employs a plurality of contacting zones and separation zones zone under hydrocracking conditions to convert at least a portion of the heavy oil feedstock to lower boiling hydrocarbons, forming upgraded products, wherein water and / or steam being optionally injected into first contacting zone in an amount of 1 to 25 weight % on the weight of the heavy oil feedstock. In one embodiment, the first contacting zone is operated at a temperature of at least 10°F. lower than a next contacting zone. The contacting zones operate under hydrocracking conditions, employing a slurry catalyst for upgrading the heavy oil feedstock, forming upgraded products of lower boiling hydrocarbons. In the separation zones, upgraded products are removed overhead and optionally, further treated in an in-line hydrotreater. At least a portion of the non-volatile fractions recovered from at least one of the separation zones is recycled back to the first contacting zone in the system, in an amount ranging between 3 to 50 wt. % of the heavy oil feedstock. In one embodiment, at least some of the heavy oil feedstock is supplied to at least a contacting zone other than the first contacting zone and / or at least some of the fresh slurry catalyst is supplied to at least a contacting zone other than the first contacting zone. In one embodiment, at least a portion of the non-volatile fractions recovered from at least one of the separation zones is sent to the interstage solvent deasphalting unit, for separating unconverted heavy oil feedstock into deasphalted oil and asphaltenes. The deasphalted oil stream is sent to one of the contacting zones for further upgrade.
    • 用于加氢处理具有减少的重油沉积物的重油原料的系统和方法,所述系统在加氢裂化条件下采用多个接触区和分离区,以将至少一部分重油原料转化为 较低沸点的烃,形成升级产物,其中水和/或蒸汽任选以重油原料重量的1至25重量%的量注入第一接触区。 在一个实施例中,第一接触区在至少10°F的温度下运行。 低于下一个接触区域。 接触区在加氢裂化条件下操作,使用浆料催化剂来升级重油原料,形成低沸点烃的升级产物。 在分离区中,升级产物从顶部除去,并且任选地在联机加氢处理器中进一步处理。 从至少一个分离区回收的至少一部分非挥发性馏分以3至50wt。%的量循环回到系统中的第一接触区。 重油原料的%。 在一个实施方案中,至少一部分重油给料被供应到除第一接触区以外的至少一个接触区和/或至少一些新鲜浆料催化剂被供应到除第一接触以外的至少一个接触区 区。 在一个实施方案中,从至少一个分离区回收的至少一部分非挥发性馏分被送至级间溶剂脱沥青装置,用于将未转化的重油原料分离成脱沥青油和沥青质。 脱沥青油流被送到其中一个接触区进行进一步升级。