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    • 2. 发明申请
    • LOW ENERGY DISTILLATION SYSTEM AND METHOD
    • 低能量蒸馏系统和方法
    • WO2012047953A1
    • 2012-04-12
    • PCT/US2011/054854
    • 2011-10-05
    • EXXONMOBIL RESEARCH AND ENGINEERING CONPANYGUPTA, RameshWEISSMAN, WalterSTOBER, Berne, K.CODY, Ian, A.
    • GUPTA, RameshWEISSMAN, WalterSTOBER, Berne, K.CODY, Ian, A.
    • B01D1/28B01D3/00B01D3/14
    • B01D1/28B01D3/007B01D3/143
    • A distillation system for separating at least two components of a multi-component fluid feed that includes a stripper section including (i) an inlet to receive a feed of fluid containing at least two components, (ii) a compressor in fluid communication with a more volatile portion of the fluid within the stripper section to provide an output feed, and (iii) a reboiler to receive a heating fluid and in fluid communication with a less volatile portion of fluid within the stripper section. The distillation system also includes a rectifier section aligned vertically with and disposed below the stripper section, the rectifier section to receive the output feed from the compressor and further including (i) a condenser to receive a cooling fluid and in fluid communication with a more volatile portion of the output feed from the compressor, the condenser including an exit to remove at least one component from the more volatile portion of the output feed, and (ii) an outlet to recycle a less volatile portion of the output feed from the compressor for recycle back to the stripper section. Heat pipes are provided between the lower rectifier section and the upper stripper section so as to transfer thermal energy from the rectifier to the stripper section and thereby improve the exergy efficiency of such distillation.
    • 一种用于分离多组分流体进料的至少两个组分的蒸馏系统,其包括汽提段,所述组分流体进料包括(i)用于接收含有至少两种组分的流体进料的入口,(ii)与更多的流体相通的压缩机 汽提器部分中的流体的易挥发部分以提供输出进料,和(iii)再沸器,其接收加热流体并与汽提器部分内的较不易挥发的流体部分流体连通。 蒸馏系统还包括与汽提器部分垂直排列并设置在汽提器部分下方的整流器部分,整流部分用于接收来自压缩机的输出进料,并且还包括(i)冷凝器以接收冷却流体并与更易挥发的流体连通 来自压缩机的输出进料的一部分,冷凝器包括出口,以从输出进料的较易挥发的部分去除至少一个组分,和(ii)出口,用于再循环来自压缩机的输出进料的较不易挥发的部分 回收到汽提器部分。 在下部整流器部分和上部剥离器部分之间设置热管,以将热能从整流器传递到汽提部分,从而提高这种蒸馏的能量效率。
    • 6. 发明申请
    • PROCESS FOR REMOVING POLAR COMPONENTS FROM A PROCESS STREAM TO PREVENT HEAT LOSS
    • 从流程流中移除极性组件以防止热损失的过程
    • WO2010019454A1
    • 2010-02-18
    • PCT/US2009/053067
    • 2009-08-07
    • EXXONMOBIL RESEARCH AND ENGINEERING COMPANYMINHAS, Bhupender, S.LO, Frederick, Y.CODY, Ian, A.STRATTON, Donald, E.
    • MINHAS, Bhupender, S.LO, Frederick, Y.CODY, Ian, A.STRATTON, Donald, E.
    • C10G25/03C10G25/05C10G25/12B01D53/02B01J20/00C07C7/12
    • C10G25/05B01D53/02B01D53/52B01D2253/108B01D2253/112B01D2256/24B01D2257/406B01D2259/40083B01J20/0214B01J20/0218B01J20/0222B01J20/0225B01J20/0229B01J20/0237B01J20/0244B01J20/06B01J20/18B01J20/3408B01J20/3433B01J20/3458C10G25/03C10G25/12C10G53/08C10G2300/201C10G2300/207
    • A process and system for removing polar components from a process stream in a refinery process without cooling the process stream are disclosed. The process stream is fed to a first adsorber unit to remove contaminants containing sulfur from the process stream. The process stream is processed within the first adsorber unit to remove sulfur containing contaminants. The process stream is processed with the first adsorber unit at substantially the same elevated temperature. The process stream is processed within the first adsorber unit by exposing the process stream to at least one of a metal oxide and a mixed metal oxide to remove the sulfur containing contaminants from the process stream and produce a metal sulfide and a desulfurized process stream. The metal sulfide may be exposed to a stream of oxygen to regenerate the at least one of a metal oxide and a mixed metal oxide. The desulfurized process stream may be exposed to at least one of the regenerated metal oxide and regenerated mixed metal oxide to remove moisture from the desulfurized process stream. The desulfurized process stream is then fed through a second adsorber unit to remove contaminants containing nitrogen from the process stream. The process stream is processed within the second adsorber unit to remove nitrogen containing contaminants, where the process stream being processed at substantially the same elevated temperature. The process stream is processed within the second adsorber unit by exposing the process stream to at least one of a molecular sieve and zeolites to remove nitrogen containing contaminants from the process stream.
    • 公开了一种用于在炼油工艺中从工艺流中除去极性组分而不冷却工艺流的方法和系统。 将工艺流送入第一吸附器单元以从工艺流中除去含有硫的污染物。 在第一吸附器单元内处理工艺流以除去含硫污染物。 在基本上相同的高温下用第一吸附器单元处理工艺流。 通过将工艺流暴露于金属氧化物和混合金属氧化物中的至少一种以从工艺流中除去含硫污染物并生产金属硫化物和脱硫工艺流,在第一吸附器单元内处理工艺流。 金属硫化物可以暴露于氧气流中以再生金属氧化物和混合金属氧化物中的至少一种。 脱硫工艺物流可以暴露于再生金属氧化物和再生混合金属氧化物中的至少一种,以从脱硫工艺物流中除去水分。 然后将脱硫的工艺物流通过第二吸附器单元,以从工艺流中除去含有氮的污染物。 在第二吸附器单元内处理工艺流以除去含氮污染物,其中工艺流在基本相同的高温下进行处理。 通过将工艺流暴露于分子筛和沸石中的至少一种以从工艺流中除去含氮污染物,在第二吸附器单元内处理工艺流。