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    • 2. 发明申请
    • PROCESS FOR CONVERTING ALKANES AND/OR ALKENES TO ALKENES AND CARBOXYLIC ACIDS
    • 将烯烃和/或烯烃转化成烯烃和羧酸的方法
    • WO2017114831A1
    • 2017-07-06
    • PCT/EP2016/082713
    • 2016-12-27
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.SHELL OIL COMPANY
    • FISCHER, Kai, JürgenLANGE, Jean Paul, Andre, Marie, Joseph, GhislainVAN ROSSUM, GuusSCHOONEBEEK, Ronald, JanPEREZ GOLF, Carmelo
    • C07C51/215C07C51/25C07C51/42C07C51/48C07C53/08C07C53/122C07C53/124C07C53/126C07C53/128C07C57/04C07C57/08C07C57/03
    • C07C51/48C07C51/215C07C51/25C07C51/252C07C51/44C07C53/122C07C53/124C07C53/126C07C53/128C07C57/04C07C57/08C07C57/03C07C53/08
    • The present invention provides a process for oxidatively converting alkanes and/or alkenes containing 2 to 6 carbon atoms ("C 2 -C 6 ") to C 2 -C 6 alkenes and C 2 -C 6 carboxylic acids, comprising a reaction step which comprises contacting a stream comprising oxygen and said C 2 -C 6 alkane and/or alkene with a mixed metal oxide catalyst, to produce a stream comprising C 2 -C 6 alkene, water and one or more C 2 -C 6 carboxylic acids, a carboxylic acid separation step which comprises contacting said stream comprising alkene, water and one or more C 2 -C 6 carboxylic acids with a selective solvent, resulting in absorption or extraction of the C 2 -C 6 carboxylic acids by the solvent, a solvent recovery step which comprises separating said absorbed or extracted C 2 -C 6 carboxylic acids from the solvent, resulting in a product stream comprising said one or more C 2 -C 6 carboxylic acids and a stream comprising recovered solvent, and optionally a recycling step which comprises recycling at least a portion of the stream comprising recovered solvent to the carboxylic acid separation step, wherein the selective solvent is an oxygen-containing organic compound having (i) a Hansen solubility parameter distance R a with respect to the C 2 -C 6 carboxylic acid as determined at 25 °C of 15 MPa 1/2 or less, preferably 12 MPa 1/2 or less, more preferably 10 MPa 1/2 or less; (ii) a 1-octanol/water partition coefficient logP ow as determined at 25 °C and pH 7 of at least 0, preferably at least 0.5, more preferably at least 1.0, even more preferably at least 1.5, yet even more preferably at least 2.0, most preferably at least 3.0; and (iii) a boiling point at atmospheric pressure that is at least 5 °C higher, preferably at least 10 °C higher, more preferably at least 20 °C higher than the boiling point of the one or more C 2 -C 6 carboxylic acids.
    • 本发明提供了用于氧化转化含有2至6个碳原子(“C 2 -C 6”)的烷烃和/或烯烃的方法, “)与C 2 -C 6烯烃和C 2 -C 6羧酸的反应,包括反应 该方法包括使包含氧和所述C 2 -C 6烷烃和/或烯烃的物流与混合金属氧化物催化剂接触以产生包含C 2 / 2 -C 6链烯烃,水和一种或多种C 2 -C 6羧酸的羧酸分离步骤,其中羧酸分离步骤 包括使包含烯烃,水和一种或多种C 2 -C 6羧酸的所述物流与选择性溶剂接触,导致C 2吸收或提取C 2 通过溶剂回收步骤,所述溶剂回收步骤包括将所述被吸收或提取的C 2 -C 6低聚物分离, 来自s的羧酸 得到包含所述一种或多种C 2 -C 6羧酸的产物流和包含回收溶剂的物流,以及任选的再循环步骤,所述再循环步骤包括至少再循环 所述流的一部分包含回收的溶剂至所述羧酸分离步骤,其中所述选择性溶剂为含氧有机化合物,所述含氧有机化合物具有(i)相对于所述羧酸分离步骤的Hansen溶解度参数距离R a, 如在25℃下测定为15MPa 1/2或更低,优选12MPa 1/2或更低,优选12MPa 1/2或更低, 2或更小,更优选10MPa 1/2或更小; (ii)在25℃和pH 7下测定的1-辛醇/水分配系数logP low为至少0,优选至少0.5,更优选至少1.0,甚至更优选在 至少1.5,甚至更优选至少2.0,最优选至少3.0; 和(iii)大气压下的沸点比所述一种或多种C
    • 5. 发明申请
    • CARBOXYLIC ACID EXTRACTION FROM AQUEOUS STREAMS
    • 从水流中萃取羧酸
    • WO2017114817A1
    • 2017-07-06
    • PCT/EP2016/082689
    • 2016-12-27
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.SHELL OIL COMPANY
    • LANGE, Jean Paul, Andre, Marie, Joseph, GhislainFISCHER, Kai, JürgenPEREZ GOLF, Carmelo
    • C07C57/07C07C53/124C07C51/12
    • C07C51/48C07C57/04C07C53/124C07C53/122C07C53/126
    • The invention provides a process for the recovery of C 3 -C 6 carboxylic acid from an aqueous stream, comprising providing an aqueous stream comprising C 3 -C 6 carboxylic acid, contacting said aqueous stream comprising C 3 -C 6 carboxylic acid with an extractive solvent in a liquid-liquid extraction unit, to produce a first stream comprising extractive solvent and C 3 -C 6 carboxylic acid and a second stream comprising water, feeding said first stream comprising extractive solvent and C 3 -C 6 carboxylic acid to a solvent recovery unit, to produce a third stream comprising carboxylic acid and a fourth stream comprising extractive solvent, and optionally recycling at least a portion of the fourth stream comprising extractive solvent to the liquid- liquid extraction unit, wherein the extractive solvent is an oxygen-containing organic compound having (i) a Hansen solubility parameter distance R a with respect to the carboxylic acid as determined at 25 °C of MPa 1/2 or less, preferably 12 MPa 1/2 or less, more preferably 10 MPa 1/2 or less; (ii) a 1-octanol/water partition coefficient logP OW as determined at 25 °C and pH 7 of at least 0, preferably at least 0.5, more preferably at least 1.0, even more preferably at least 1.5, yet even more preferably at least 2.0, most preferably at least 3.0; and (iii) a boiling point at atmospheric pressure that is at least 5 °C higher, preferably at least 10 °C higher, more preferably at least 20 °C higher than the boiling point of the C 3 -C 6 carboxylic acid.
    • 本发明提供了从含水物流中回收C 3 -C 6羧酸的方法,包括提供包含C 使所述包含C 3 -C 6羧酸的含水物流与萃取物 溶剂在液 - 液萃取单元中反应以产生包含萃取溶剂和C 3 -C 6羧酸的第一物流和包含水的第二物流,将所述第一物流 包括萃取溶剂和C 3 -C 6羧酸至溶剂回收单元,以产生包含羧酸的第三物流和包含萃取溶剂的第四物流,并且任选地再循环 所述第四物流的至少一部分包含萃取溶剂到所述液 - 液萃取单元,其中所述萃取溶剂是含氧有机化合物,所述含氧有机化合物具有(i)汉森溶解度参数 在25℃下测定的相对于羧酸的三元距离R a为1/2或更小,优选12MPa 1/2或更小, 或更低,更优选10MPa 1/2或更低; (ii)如在25℃和pH7下测定的至少0,优选至少0.5,更优选至少1.0,甚至更优选在25℃下测定的1-辛醇/水分配系数logP_00WO 至少1.5,甚至更优选至少2.0,最优选至少3.0; 和(iii)大气压力下的沸点比C 3的沸点高至少5℃,优选至少10℃,更优选至少20℃, C 6 -C 6羧酸。
    • 10. 发明申请
    • ACETIC ACID EXTRACTION FROM LIQUID AND VAPOROUS AQUEOUS STREAMS
    • 从液体和蒸汽水流中提取乙酸
    • WO2017114820A1
    • 2017-07-06
    • PCT/EP2016/082692
    • 2016-12-27
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.SHELL OIL COMPANY
    • FISCHER, Kai, JürgenLANGE, Jean Paul, Andre, Marie, Joseph, GhislainPEREZ GOLF, Carmelo
    • C07C51/43C07C51/44C07C51/48C07C53/08
    • C07C51/48C07C51/43C07C51/44C07C53/08
    • The invention provides a process for the recovery of acetic acid from a liquid or vaporous aqueous stream, comprising providing a liquid or vaporous aqueous stream comprising acetic acid, contacting said aqueous stream comprising acetic acid with an extractive solvent in an extractive distillation unit, to produce a first stream comprising extractive solvent and acetic acid and a second stream comprising water, feeding said first stream comprising extractive solvent and acetic acid to a solvent recovery unit, to produce a third stream comprising acetic acid and a fourth stream comprising extractive solvent, optionally subjecting the second stream comprising water to a condensation step to allow liquid-liquid separation of entrained extractive solvent and water and optionally recycling at least part of said entrained extractive solvent to the extractive distillation unit, and optionally recycling at least a portion of the fourth stream comprising extractive solvent to the extractive distillation unit, wherein the extractive solvent is an oxygen-containing organic compound having (i) a Hansen solubility parameter distance Ra with respect to acetic acid as determined at 25 °C of 15 MPa 1/2 or less, preferably 12 MPa 1/2 or less, more preferably 10 MPa 1/2 or less; (ii) a 1-octanol/water partition coefficient logP0w as determined at 25 °C and pH 7 of at least 0, preferably at least 0.5, more preferably at least 1.0, even more preferably at least 1.5, yet even more preferably at least 2.0, most preferably at least 3.0; and (iii) a boiling point at atmospheric pressure that is least 5 °C higher, preferably at least 10 °C higher, more preferably at least 20 °C higher than the boiling point of acetic acid.
    • 本发明提供了从液体或蒸气水流中回收乙酸的方法,包括提供包含乙酸的液体或蒸气水流,使所述包含乙酸的水流与萃取溶剂 在萃取蒸馏单元中,产生包含萃取溶剂和乙酸的第一物流和包含水的第二物流,将包含萃取溶剂和乙酸的所述第一物流供给至溶剂回收单元,以产生包含乙酸和 第四物流包含萃取溶剂,任选地使包含水的第二物流经历冷凝步骤以允许夹带的萃取溶剂和水的液 - 液分离并且任选地将至少部分所述夹带的萃取溶剂再循环至萃取蒸馏单元, 将第四物流的至少一部分包含萃取溶剂到达 萃取蒸馏单元,其中萃取溶剂为含氧有机化合物,其具有(i)在25℃下测定的相对于乙酸的汉森溶解度参数距离Ra为15MPa 1/2 / 或更小,优选12MPa 1/2或更小,更优选10MPa 1/2或更小; (ii)如在25℃和pH 7下测定的至少0,优选至少0.5,更优选至少1.0,甚至更优选至少1.5,还甚至更优选在20℃下测定的1-辛醇/水分配系数logP 0 w 至少2.0,最优选至少3.0; 和(iii)大气压下的沸点比乙酸的沸点高至少5℃,优选高至少10℃,更优选高至少20℃。