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    • 5. 发明授权
    • Hydrocracking process
    • 加氢裂化过程
    • US06361683B1
    • 2002-03-26
    • US09507660
    • 2000-02-22
    • Tom N. Kalnes
    • Tom N. Kalnes
    • C10G6512
    • C10G65/12
    • A catalytic hydrocracking process wherein a hydrocarbonaceous feedstock and a liquid recycle stream having a temperature greater than about 500° F. and saturated with hydrogen is contacted with hydrogen in a hydrocracking reaction zone at elevated temperature and pressure to obtain conversion to lower boiling hydrocarbons. The resulting hot, uncooled effluent from the hydrocracking reaction zone is hot hydrogen stripped in a stripping zone maintained at essentially the same pressure as the hydrocracking zone to produce a first gaseous hydrocarbonaceous stream and a first liquid hydrocarbonaceous stream. The first gaseous hydrocarbonaceous stream is passed through a post-treat hydrogenation zone to saturate aromatic compounds and at least partially condensed to produce a second liquid hydrocarbonaceous stream and a second hydrogen-rich gaseous stream.
    • 催化加氢裂化方法,其中在高温和高压下,在加氢裂化反应区中将烃原料和温度大于约500°F并用氢饱和的液体再循环料与氢气接触,以获得转化为低沸点烃。 所得到的来自加氢裂化反应区的热的未冷却流出物是在与加氢裂化区保持基本相同的压力的汽提区中汽提的氢气,以产生第一气态烃流和第一液体烃流。 第一气态烃物流通过后处理氢化区以使芳族化合物饱和并至少部分冷凝以产生第二液态烃流和第二富氢气流。
    • 7. 发明授权
    • Hydrocracking process
    • 加氢裂化过程
    • US06190535B1
    • 2001-02-20
    • US09377410
    • 1999-08-20
    • Tom N. KalnesRichard K. Hoehn
    • Tom N. KalnesRichard K. Hoehn
    • C10G6512
    • C10G65/12
    • A catalytic hydrocracking process wherein a denitrification and desulfurization reaction zone effluent is heat-exchanged with a hydrogen-rich gaseous stream and introduced into a hydrocracking zone. The resulting effluent from the hydrocracking zone is passed directly without cooling into a hot, high-pressure stripper utilizing a hot, hydrogen-rich gaseous stream at least a portion of which is heated during the heat exchange with the denitrification and desulfurization reaction zone effluent. The stripper overhead is partially condensed to produce a hydrogen-rich gaseous stream and a liquid stream containing hydrocracked hydrocarbon compounds. At least a portion of the stripper bottoms is recycled to the denitrification and desulfurization reaction zone.
    • 催化加氢裂化方法,其中脱氮和脱硫反应区流出物与富氢气流进行热交换并引入加氢裂化区。 来自加氢裂化区的所得流出物直接通过,而不用冷却至热的高压汽提器,利用热的富氢气流,其中至少一部分气流在与脱氮和脱硫反应区流出物进行热交换期间被加热。 汽提器顶部部分冷凝以产生富氢气流和含有加氢裂化烃化合物的液体流。 至少部分汽提塔底部物料再循环到脱氮和脱硫反应区。
    • 9. 发明授权
    • Hydrocracking and hydrotreating separate refinery streams
    • 加氢裂化和加氢处理分离炼油厂流
    • US06630066B2
    • 2003-10-07
    • US09808671
    • 2001-03-14
    • Dennis R. CashArthur J. Dahlberg
    • Dennis R. CashArthur J. Dahlberg
    • C10G6512
    • C10G65/12
    • This invention is directed to middle distillate production (e.g., diesel and kerosene products) by means of a reactor hydroprocessing system using two or more reactors (or a single reactor vessel having two or more stages, each stage containing one or more reaction zones). Hydrocracking is preferably performed in the initial reactor, and hydrotreating (and/or further hydrocracking) is preferably performed in the subsequent reactor vessel or stages within a single vessel. Reaction stages are effectively segregated to avoid recracking of products, to dramatically reduce hydrogen consumption in saturating the bottoms product and to carry out aromatic saturation of middle distillates in a clean low-temperature environment.
    • 本发明涉及通过使用两个或多个反应器的反应器加氢处理系统(或具有两个或多个阶段的单个反应器容器,每个阶段包含一个或多个反应区域)的中间馏分生产(例如柴油和煤油产品)。 加氢裂化优选在初始反应器中进行,并且加氢处理(和/或进一步加氢裂化)优选在随后的反应器容器或单个容器内的阶段中进行。 反应阶段被有效地分离以避免产物重新产生,从而显着降低饱和塔底产物中的氢消耗,并在干净的低温环境中进行中间馏分的芳族饱和。
    • 10. 发明授权
    • Simultaneous hydroprocessing of two feedstocks
    • 同时加氢处理两种原料
    • US06623623B2
    • 2003-09-23
    • US09894500
    • 2001-06-28
    • Tom N. Kalnes
    • Tom N. Kalnes
    • C10G6512
    • C10G65/12C10G65/00
    • A catalytic hydrocracking process which simultaneously hydroprocesses two feedstocks to provide higher liquid product yields and increase the quality of the liquid products. A first feedstock is passed to a denitrification and desulfurization reaction zone to produce a stream which is in turn passed to a hot, high pressure stripper utilizing a hot, hydrogen-rich stripping gas to produce a first vapor stream and a first liquid stream. At least a portion of the first liquid stream is passed to a hydrocracking zone. A second feedstock having an average boiling point lower than the first feedstock in one embodiment is passed into an upper end of the hot, high pressure stripper to serve as reflux and in another embodiment is passed to an intermediate location in the denitrification and desulfurization reaction zone to serve as quench.
    • 同时加氢处理两种原料以提供更高液体产物的催化加氢裂化方法产生并提高液体产品的质量。 将第一原料通入脱氮和脱硫反应区,以产生一种物流,该物流又通过热的富含氢气的汽提气体传递到热的高压汽提器,以产生第一蒸气流和第一液体流。 至少一部分第一液体流被传送到加氢裂化区。 在一个实施方案中,平均沸点低于第一原料的第二原料进入热高压汽提塔的上端,作为回流,在另一个实施方案中,通入脱氮和脱硫反应区的中间位置 作为淬火。