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    AROMATICS EXTRACTION THROUGH INTEGRATION OF COMPLEMENTARY CO-SOLVENTS
    74.
    发明公开
    AROMATICS EXTRACTION THROUGH INTEGRATION OF COMPLEMENTARY CO-SOLVENTS 审中-公开

    公开(公告)号：US20240218267A1

    公开(公告)日：2024-07-04

    申请号：US18528858

    申请日：2023-12-05

    申请人： UOP LLC

    发明人： Raymond Shih ,  Souryadeep Bhattacharyya ,  Lijun Xu ,  Dinesh Attarde ,  Ankit Vishnoi

    IPC分类号： C10G21/22 ,  B01D3/40 ,  C10G21/16 ,  C10G21/20

    CPC分类号： C10G21/22 ,  B01D3/40 ,  C10G21/16 ,  C10G21/20 ,  C10G2400/30

    摘要： Solvent mixtures for extractive distillation are described. One solvent mixture consists essentially of: a first solvent having a higher octane-to-benzene relative volatility than sulfolane in a 90% benzene 10% octane feed mixture at 150° C. and 24:1 solvent-to-feed weight ratio; a second solvent having a higher octane-to-benzene relative volatility than sulfolane in a 50% benzene 50% octane feed mixture at 150° C. and 3:1 solvent-to-feed weight ratio; and optionally an additive; wherein the solvent mixture has a higher octane-to-benzene relative volatility than Sulfolane in a combined benzene and octane feed at 125° C. and 3:1 solvent-to-feed weight ratio wherein a benzene weight ratio is higher than 30%. Another solvent mixture consists essentially of: a base solvent selected from the group consisting of sulfolane, N-methyl-pyrrolidone (NMP), N-formylmorpholine (NFM), dimethylformamide (DMF), glycol derivatives, or combinations there along with first and second co-solvents. Methods of extractive distillation are also described.

    Method of Desulfurizing an Oil Composition
    76.
    发明公开
    Method of Desulfurizing an Oil Composition 审中-公开

    公开(公告)号：US20230287277A1

    公开(公告)日：2023-09-14

    申请号：US18018250

    申请日：2021-07-28

    申请人： CURVE ENERGY PTE. LTD.

    发明人： Mathew Selwyn WYATT

    IPC分类号： C10G21/20 ,  C10G21/16 ,  C10G21/18 ,  C10G53/14

    CPC分类号： C10G21/20 ,  C10G21/16 ,  C10G21/18 ,  C10G53/14 ,  C10G2300/202

    摘要： The invention provides a method of desulfurizing an oil composition, the method comprising: flowing an oil composition comprising sulfur through a conduit comprising a constricted region, wherein oil-phase bubbles form in the constricted region and collapse in a turbulent zone downstream of the constricted region; contacting the oil composition with an immiscible deep eutectic solvent in the turbulent zone, thereby extracting at least a portion of the sulfur from the oil composition into association with the deep eutectic solvent; and separating the deep eutectic solvent and the extracted sulfur from the desulfurized oil composition.

    Composition Process And Apparatus To Remove Sulfur From Refined Crude Oil Fraction
    80.
    发明申请
    Composition Process And Apparatus To Remove Sulfur From Refined Crude Oil Fraction 有权

    公开(公告)号：US20220259506A1

    公开(公告)日：2022-08-18

    申请号：US17631315

    申请日：2020-07-29

    申请人： EME International Lux S.A.

    发明人： Enrico Fumagalli

    IPC分类号： C10G21/20 ,  C10G33/04

    摘要： A ionic liquid composition to remove sulfur from refined crude oil fraction, comprising or consisting of two or more compounds having: —an imidazolium cation substituted by one or more straight or branched C1-C6 alkyl group and —an anion selected from the group consisting of R5COO, CI., Br, [BF4], [PF6]—, [SbF6]—, [R6SO4], [OTs], [OMs], wherein R5 is C1-C8 alkyl, Cs—Cs cycloalkyl, benzyl, C2-C6 alkenyl, and R6 is C1-C6 alkyl.