• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a process for producing alcohols comprising hydrogenating compounds selected from the group consisting of acids, esters and aldehydes under sufficient hydrogen pressure and temperature in the presence of a catalyst comprising a copper chromite first component and a second component consisting essentially of copper deposited on a support.
    公开号:SU1517761A3
    申请号:SU864028488
    申请日:1986-11-13
    公开日:1989-10-23
    发明作者:Хиннекенс Эрве
    申请人:Олеофина С.А. (Фирма)；
    IPC主号:
    专利说明:

    This invention relates to an improved process for the preparation of furfuryl alcohol, which is used in the manufacture of furan resins.
    The purpose of the invention is to reduce the consumption of a catalyst by using a catalyst consisting of a resin of two components, a mixture of copper and chromium containing wt.% Of copper per oxide, and obtained in a reducing formaldehyde environment at 300 ° C, and copper sprayed on silicate. sodium in the amount of 35-40 wt.% when the mass ratio of the two components of the Catalyst is 1: 0.2-0.4, respectively, and the process is carried out at a pressure of 25-50 bar and a temperature of 150-230 ° C.
    Example 1 96.09 g (1 mol) of furfuryl aldehyde and 20.16 g of ppm are used. Hydrogen. The termination is carried out in the presence of a catalyst, which is formed by a mixture of copper and chromium obtained in a reducing medium (formaldehyde), the amount of copper in the mixture is 40% based on oxide, and also copper deposited on a carrier (Na silicate) by means of PCR method. .


    sg

    s
    Also, the amount of copper on this carrier is 40%.
    The two components of the catalyst are mixed until uniform, in order to obtain a weight ratio of Cu - Cr / Cu - carrier 1: 0.2.
    The hydrogenation is carried out at a hydrogen pressure of 25 bar and 180 ° C for 45 minutes. The amount of catalyst is 0.25 wt.% Of the amount of furfuryl aldehyde. A liquid is obtained in the amount of 97.6 g.
    Example 3. Furfuryl alcohol is prepared by hydrogenation of furfural on a catalyst identical to that described in Example 2.
    The hydrogenation is carried out at 230 ° C, a pressure of 50 bar and with a volumetric flow rate of 1.
    Under initial conditions, 96.09 g (.1 mol) of furfural and 26, 1 6 g (10 mol) of hydrogen were taken.
    The yield of the hydrogenation reaction is. 99.5%.
    Get the liquid, the weight of which sos
    The yield of furfuryl alcohol is 99.5% .i5 is pressure of 97.8 g. The composition of the liquid at 99.8
    Traces
    0.01
    0.1
    The purity of the alcohol obtained is such that it is not necessary to carry out further distillation to purify it. The composition of the obtained product. Dan the following,%:
    Furfuryl alcohol
    Furfuryl aldehyde
    Slag
    Water
    The properties of the obtained product: Lovibond color 5 1/4 - maximum 0.1 red, 0.7 yellow, boiling point 170 ° C, flashes - 75 ° C, refractive index 1.4558.
    Example 2. Use 96,09 g (1 mol) of furfuryl alcohol and 20,16 g (10 mol) of hydrogen. The hydrogenation is carried out in the presence of a catalyst containing a mixture of copper and chromium obtained in a reducing medium (formaldehyde), the amount of copper in the mixture is 35%, calculated on the oxide, and also copper deposited on the catalyst support in the form of Na silicate by spraying. the amount of copper on this carrier is 35%. The two components of the catalyst are uniformly mixed to obtain a weight ratio Cu-Cr / Cu-carrier of the order of 1: 0.4.
    The hydrogenation is carried out at a pressure of 35 bar and 150 ° C, with a volumetric fluid hourly rate equal to 1.
    The yield of the hydrogenation reaction is 99.5%. A liquid is obtained, the weight of which is 98 g. The composition of the liquid is shown in Table 1.
    The product is sufficiently pure and should not be separated by distillation, and has the properties: boiling point 170 ° C, flashes 75 ° C, refractive index 1.4558.
    0
    five
    0
    five
    0
    0
    five
    listed in table 2.
    The product is sufficiently pure, should not be separated by distillation, and has the properties: boiling point 170 ° C, flash points 75 ° C, refractive index at 23 ° C 1.4581.
    Example 4. The preparation of the catalyst used in example 2.
    An ammonia solution (NF4) containing 2.7 mol of NH is prepared per I mol of Cr and introduced when heated into a solution of copper nitrate to obtain a molar ratio of Cu / Cr equal to 0.68.
    The resulting suspension was adjusted to 10-10-11 with NaOH. Formaldehyde (in the form of an aqueous solution) in a molar ratio of (Cu + Cr) of 2.5 is introduced and heated under reflux for 2 hours. The precipitate is filtered, washed with water and calcined at 300 ° C.
    The resulting catalytic component contains 40% copper on an oxide basis.
    The process for preparing the catalyst used in Examples 2 and 3.
    Work in the same way as in example 1, except that the molar ratio of Cu / Cr is 0.62.
    The resulting catalytic component contains 35% copper based on oxide.
    The proposed method allows reducing the catalyst consumption by 2.4-3 times with the same selectivity.
    权利要求:
    Claims (1)
    [1]
    Invention Formula
    The method of obtaining furfuryl alcohol by hydrogenation of furfural in the presence of a catalyst containing
    51
    copper chromite, at elevated temperature and pressure, characterized by the fact that, in order to reduce catalyst consumption, hydrogenation is carried out in the presence of a catalyst formed by a mixture of two components containing, as the first component, a mixture of copper and chromium containing 35-40 wt.% copper, calculated on oxide, and formaldehyde obtained in a reducing medium, as the second component
    Components
    Weight Mole
    Components
    Furfuryl alcohol
    Furfural
    Ash
    Water
    177616
    nent is copper sprayed on sodium silicate in an amount of 35-40% by weight. when the mass ratio of the two components of the catalyst is 1: 0.2-0.4, respectively, at a pressure of 25-50 bar and at a temperature of 150-230 ° C, and the hydrogenation is carried out either periodically in the presence of 0.25% of catalyst by weight of the charge, or continuously at volumetric feed rate foo {) fU
    ten
     Rola I h
    I
    one
    Table 1
    Composition, wt.%
    Moth
    Table 2 Mole (Composition, May, 0.99599.85
    0,009-0,01
    0.09 0.0050.01
    类似技术:
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    同族专利:
    公开号 | 公开日
    IT1175574B|1987-07-01|
    AU566386B2|1987-10-15|
    PL143373B1|1988-02-29|
    AT392065B|1991-01-25|
    DE3425758A1|1985-01-24|
    NL8402172A|1985-02-01|
    LU84912A1|1985-04-17|
    IE841786L|1985-01-14|
    CA1253512A|1989-05-02|
    TR21940A|1985-11-28|
    BE900118A|1985-01-09|
    KR910006901B1|1991-09-10|
    PT78904A|1984-08-01|
    GB2143524A|1985-02-13|
    KR850001145A|1985-03-16|
    NO157860C|1988-06-01|
    DK344284D0|1984-07-13|
    CZ541384A3|1994-01-19|
    SU1405698A3|1988-06-23|
    AU3001784A|1985-01-17|
    FR2549056A1|1985-01-18|
    SE8403636D0|1984-07-09|
    ATA224084A|1990-07-15|
    GB2143524B|1986-10-22|
    DK344284A|1985-01-15|
    MY102507A|1992-07-31|
    JPH0472810B2|1992-11-19|
    NZ208904A|1987-02-20|
    SE8403636L|1985-01-15|
    CZ278546B6|1994-03-16|
    US4728671A|1988-03-01|
    IN162883B|1988-07-16|
    NO157860B|1988-02-22|
    NO842868L|1985-01-15|
    RO89344A|1986-05-30|
    PH19887A|1986-08-13|
    PT78904B|1986-06-02|
    ES534302A0|1985-07-01|
    ES8505913A1|1985-07-01|
    OA07747A|1985-08-30|
    IE57806B1|1993-04-21|
    JPS6038333A|1985-02-27|
    FR2549056B1|1985-11-15|
    DE3425758C2|1994-06-23|
    SE457080B|1988-11-28|
    GB8416573D0|1984-08-01|
    IT8421885D0|1984-07-13|
    PL248689A1|1985-03-26|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE639527C|1930-01-27|1936-12-07|Boehme Fettchemie Ges M B H|Process for the production of higher aliphatic alcohols|
    GB358869A|1930-07-18|1931-10-15|Bohme H Th Ag|Process for the production of higher aliphatic alcohols|
    FR942332A|1946-02-26|1949-02-04|Ici Ltd|Manufacture of furfuryl alcohol|
    CH279628A|1949-02-21|1951-12-15|Ici Ltd|Process for the production of furfuryl alcohol.|
    US3180898A|1961-04-17|1965-04-27|Metallgesellschaft Ag|Process for the production of fatty alcohols by catalytic hydrogenation of fatty acids and their derivatives|
    US3886219A|1969-01-14|1975-05-27|Huels Chemische Werke Ag|Process for preparing saturated alcohols|
    JPS5343918B2|1973-02-02|1978-11-24|
    PL92724B1|1974-06-19|1977-04-30|
    US4112245A|1976-08-18|1978-09-05|Atlantic Richfield Company|Process for the preparation of ethylene glycol|
    US4302397A|1979-02-26|1981-11-24|Ashland Oil, Inc.|Preparation of furfuryl alcohol from furfural|DE3706658A1|1987-03-02|1988-09-15|Henkel Kgaa|ACID-RESISTANT CATALYST FOR FATTY ACID DIRECT REHYDRATION TO FATTY ALCOHOLS|
    DE3724254A1|1987-07-22|1989-02-02|Henkel Kgaa|METHOD FOR HYDROGENATING FATTY ACID METHYL ESTERS IN THE PRESSURE RANGE FROM 20 TO 100 BAR|
    AU4957193A|1992-09-14|1994-04-12|Unichema Chemie Bv|Process for the production of alcohols|
    US5475160A|1994-11-07|1995-12-12|Shell Oil Company|Process for the direct hydrogenation of triglycerides|
    US5463143A|1994-11-07|1995-10-31|Shell Oil Company|Process for the direct hydrogenation of wax esters|
    US5475159A|1994-11-07|1995-12-12|Shell Oil Company|Process for the direct hydrogenation of methyl esters|
    CN1051030C|1995-01-16|2000-04-05|中国科学院山西煤炭化学研究所|Method for preparing copper-chromium catalyst by phase transferring for producing methoxide|
    WO1997000841A1|1995-06-20|1997-01-09|Kao Corporation|Method for producing alcohol|
    US5536889A|1995-09-29|1996-07-16|Shell Oil Company|Process for the two-stage hydrogenation of methyl esters|
    CN100438976C|2005-12-07|2008-12-03|南化集团研究院|Catalyst for alduronic gas-phase hydrogenation to prepare alditol and preparing method|
    US7994347B2|2006-06-09|2011-08-09|Battelle Memorial Institute|Hydroxymethylfurfural reduction methods and methods of producing furandimethanol|
    DE102008008872B4|2008-02-13|2010-04-29|Lurgi Gmbh|Process for the preparation of fatty alcohols|
    DE102011012177A1|2011-02-23|2012-08-23|Lurgi Gmbh|Process for recovering fatty alcohols from waste fats or waste oils|
    CN109328108A|2016-05-31|2019-02-12|Ptt全球化学股份有限公司|For preparing the preparation of the copper aluminum oxide catalyst and the catalyst of furfuryl alcohol by furfural|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    LU84912A|LU84912A1|1983-07-14|1983-07-14|PROCESS FOR THE PRODUCTION OF ALCOHOLS|
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