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公开(公告)号:US11993559B2
公开(公告)日:2024-05-28
申请号:US17415910
申请日:2019-11-27
摘要: The invention relates to a process for treating an alcoholic feedstock, comprising: a) a stage of preheating of said alcoholic feedstock to a temperature of between 70° C. and 200° C.; b) a stage of pretreatment on an acidic solid, operating at a temperature of between 70° C. and 200° C., to produce a pretreated alcoholic feedstock; c) a stage of partial vaporization to produce a vaporized stream and a liquid stream; and d) a stage of purification of the liquid stream resulting from stage c), to give a stream rich in water, a stream rich in monoalcohol and a stream rich in impurities.
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公开(公告)号:US11618721B2
公开(公告)日:2023-04-04
申请号:US17050155
申请日:2019-04-04
发明人: Sylvie Maury , Vincent Coupard , Delphine Bazer-Bachi , Joseph Lopez , Nikolai Nesterenko , Guillaume Duplan , Colin Dupont
IPC分类号: B01J29/06 , C07C1/24 , B01J21/08 , B01J29/65 , B01J35/02 , B01J35/10 , B01J37/00 , B01J37/04 , B01J37/08 , B01J37/10 , C07C5/27
摘要: A method for isomerising dehydration in the presence of a specific catalyst, to produce at least one alkene, carried out on a feedstock containing a non-linear primary monoalcohol, where the catalyst includes a zeolite having a series of 8MR channels and a binder having certain pore volume, which catalyst is multilobe-shaped and has characteristics including certain average mesopore volume Vm, and mesopores having a certain diameter, an average certain macropore volume VM, the macropores having a certain diameter, and certain average micropore volume Vμ, the micropores having a certain diameter, and the catalyst has a certain exposed geometric area.
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43.
公开(公告)号:US11453853B2
公开(公告)日:2022-09-27
申请号:US17280257
申请日:2019-09-26
发明人: Helena Gonzalez Penas , Marcel Ropars , Eszter Toth , Belinda Perez Bibbins , Nicolas Lopes Ferreira , Vincent Coupard , Angelique Bisson , Jean-Christophe Gabelle
摘要: The present invention relates to a process for cleaning a solid support of a fermentation reactor for the production of alcohols by fermentation using a sugary fluid, the solid support comprising a polyurethane foam inoculated with a biomass produced by a solvent-producing strain belonging to the genus Clostridium, the process comprising placing the solid support in contact with a fluid originating from the fermentation must enriched in alcohol and/or acetone and/or an aqueous solution at basic pH.
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44.
公开(公告)号:US20210101850A1
公开(公告)日:2021-04-08
申请号:US17124631
申请日:2020-12-17
IPC分类号: C07C1/24 , B01J29/65 , C01B39/02 , B01J21/08 , B01J35/02 , B01J37/00 , B01J29/40 , B01J35/00 , B01J37/12 , B01J29/70 , B01J37/14 , B01J37/30 , C07C5/27
摘要: Process for preparing a catalyst composition containing a modified crystalline aluminosilicate and a binder, wherein the catalyst composition comprises from 5 to 95% by weight of crystalline aluminosilicate as based on the total weight of the catalyst composition, the process being remarkable in that it comprises a step of steaming said crystalline aluminosilicate: at a temperature ranging from 100° C. to 380° C.; under a gas phase atmosphere containing from 5 wt % to 100 wt % of steam; at a pressure ranging from 2 to 200 bars; at a partial pressure of H2O ranging from 2 to 200 bars; and said steaming being performed during at least 30 min and up to 144 h; and in that the process also comprises a step of shaping, or of extruding, the crystalline aluminosilicate with a binder, wherein the binder is selected to comprise at least 85 wt % of silica as based on the total weight of the binder, and less than 1000 ppm by weight as based on the total weight of the binder of aluminium, gallium, boron, iron and/or chromium.
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公开(公告)号:US10851028B2
公开(公告)日:2020-12-01
申请号:US16330784
申请日:2017-09-06
IPC分类号: C07C1/24 , B01J37/10 , B01J29/65 , C01B39/02 , B01J21/08 , B01J35/02 , B01J37/00 , C07C5/27 , B01J29/70 , B01J29/08 , C07C11/09
摘要: The invention relates to a process for dehydration of a mono-alcohol, or of a mixture of at least two mono-alcohols, having at least 2 carbon atoms and at most 7 carbon atoms into olefins having the same number of carbons, wherein the process uses a catalyst composition that comprises a modified crystalline aluminosilicate has an acidity between 350 and 500 μmol/g that comprises, and further wherein the catalyst composition is obtained by a process comprising the steps of providing a crystalline aluminosilicate having a Si/Al framework molar ratio greater than 10; and steaming said crystalline aluminosilicate, or said shaped and/or calcined crystalline aluminosilicate at a temperature ranging from 100° C. to 380° C.; and under a gas phase atmosphere, without liquid, containing from 5 wt % to 100 wt % of steam; at a pressure ranging from 2 to 200 bars; at a partial pressure of H2O from 2 bars to 200 bars; and said steaming being performed during at least 30 min and up to 144 h.
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公开(公告)号:US10544067B2
公开(公告)日:2020-01-28
申请号:US15540318
申请日:2015-12-18
发明人: Delphine Minoux , Nikolai Nesterenko , Cindy Adam , Walter Vermeiren , Philip De Smedt , Jean-Pierre Dath , Vincent Coupard , Sylvie Maury , Nicolas Aribert
摘要: The present invention is a process for dehydrating an alcohol to prepare corresponding olefin(s), comprising: (a) providing a feed (A) comprising at least an alcohol having at least 2 carbon atoms, and preferably at most 5 carbon atoms, or a mixture thereof optionally water, optionally an inert component, in a dehydration unit, (b) placing the feed (A) into contact with an acidic catalyst in a reaction zone of said dehydration unit at conditions effective to dehydrate at least a portion of the alcohol to make an olefin or a mixture of olefins having the same number of carbon atoms as the alcohol, (c) recovering from said dehydration unit an effluent (B) comprising: an olefin or a mixture of olefins, water, undesired by-products including aldehydes and lighter products resulting from degradation of said aldehydes under the conditions of step (b), optionally unconverted alcohol(s) if any, optionally the inert component, wherein, said feed (A)-providing step (a) comprises adding an effective amount of one or more organic compound capable to reduce the undesired by-products by comparison with a non introduction of such compound, said organic compound being chosen among organic acids.
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公开(公告)号:US20190194090A1
公开(公告)日:2019-06-27
申请号:US16330785
申请日:2017-09-06
CPC分类号: C07C5/2775 , B01J21/08 , B01J29/65 , B01J29/70 , B01J35/023 , B01J37/0009 , B01J37/0063 , B01J2029/081 , B01J2229/16 , B01J2229/36 , B01J2229/40 , B01J2229/42 , C01B39/026 , C07C1/24 , C07C2529/65 , C07C2529/70 , C07C11/08 , C07C11/09
摘要: Process for preparing a catalyst composition containing a modified crystalline aluminosilicate and a binder, wherein the catalyst composition comprises from 5 to 95% by weight of crystalline aluminosilicate as based on the total weight of the catalyst composition, the process being remarkable in that it comprises a step of steaming said crystalline aluminosilicate: at a temperature ranging from 100° C. to 380° C.; under a gas phase atmosphere containing from 5 wt % to 100 wt % of steam; at a pressure ranging from 2 to 200 bars; at a partial pressure of H2O ranging from 2 to 200 bars; and said steaming being performed during at least 30 min and up to 144 h; and in that the process also comprises a step of shaping, or of extruding, the crystalline aluminosilicate with a binder, wherein the binder is selected to comprise at least 85 wt % of silica as based on the total weight of the binder, and less than 1000 ppm by weight as based on the total weight of the binder of aluminium, gallium, boron, iron and/or chromium.
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48.
公开(公告)号:US20190092706A1
公开(公告)日:2019-03-28
申请号:US15540318
申请日:2015-12-18
发明人: Delphine Minoux , Nikolai Nesterenko , Cindy Adam , Walter Vermeiren , Philip De Smedt , Jean-Pierre Dath , Vincent Coupard , Sylvie Maury , Nicolas Aribert
摘要: The present invention is a process for dehydrating an alcohol to prepare corresponding olefin(s), comprising: (a) providing a feed (A) comprising at least an alcohol having at least 2 carbon atoms, and preferably at most 5 carbon atoms, or a mixture thereof optionally water, optionally an inert component, in a dehydration unit, (b) placing the feed (A) into contact with an acidic catalyst in a reaction zone of said dehydration unit at conditions effective to dehydrate at least a portion of the alcohol to make an olefin or a mixture of olefins having the same number of carbon atoms as the alcohol, (c) recovering from said dehydration unit an effluent (B) comprising : an olefin or a mixture of olefins, water, undesired by-products including aldehydes and lighter products resulting from degradation of said aldehydes under the conditions of step (b), optionally unconverted alcohol(s) if any, optionally the inert component, wherein, said feed (A)-providing step (a) comprises adding an effective amount of one or more organic compound capable to reduce the undesired by-products by comparison with a non introduction of such compound, said organic compound being chosen among organic acids.
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公开(公告)号:US20170304809A1
公开(公告)日:2017-10-26
申请号:US15514263
申请日:2015-09-24
发明人: Nikolai Nesterenko , Delphine Minoux , Nadiya Danilina , Jean-Pierre Dath , Vincent Coupard , Sylvie Maury
摘要: The present invention relates to a catalyst composition comprising a modified crystalline aluminosilicate of the Framework Type FER having Si/Al framework molar ratio greater than 20 characterized in that in said modified crystalline aluminosilicate the ratio between the strong acid sites and the weak acid sites, S/W, is lower than 1.0 and having the extra framework aluminum (EFAL) content lowered to less than 10 wt % preferably 5 wt % even more preferably less than 2 wt % measured by 27Al MAS NMR. The present invention further relates to a process for producing olefins from alcohols in presence of said catalyst composition.
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公开(公告)号:US09670112B2
公开(公告)日:2017-06-06
申请号:US14427363
申请日:2013-09-06
发明人: Tom Vivien , Vincent Coupard , Francois Hugues , Raphael Huyghe
CPC分类号: C07C1/24 , C07C2/10 , C07C2521/12 , C10G45/00 , C10G50/00 , C10G69/126 , C10G2300/1011 , C10G2400/02 , C10G2400/04 , C10G2400/08 , C10L1/04 , C10L2200/0469 , C10L2290/08 , C10L2290/10 , C10L2290/543 , Y02P30/20
摘要: A process for the production of middle-distillate hydrocarbon-containing bases from a butanol feedstock, comprising: a) isomerizing dehydration of butanol feedstock; b) separating the water from butylenic effluent; c) purifying the organic liquid effluent from stage b); d) oligomerizing a feedstock that comprises at least a portion of the purified organic effluent from stage c), the entire effluent from stage g), and at least a portion of the light product from stage f); e) oligomerizing the first oligomerization effluent to produce a second oligomerization effluent; f) fractionating the second oligomerization effluent into at least three products: a light product mostly comprising C2 to C4 compounds, an intermediate product mostly comprising C5 to C9 compounds, and a middle distillate product mostly comprising compounds having at least 10 carbon atoms; g) oligomerizing at least a portion of the intermediate product, and h) hydrogenating at least a portion of the middle distillate product.
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