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    • 9. 发明申请
    • HYDROCYANATION OF PENTENENITRILES
    • 苯胺的水解
    • WO2009091790A1
    • 2009-07-23
    • PCT/US2009/030943
    • 2009-01-14
    • INVISTA TECHNOLOGIES S.A.R.L.FOO, ThomasGARNER, James, MichaelOZER, RonPEARLMAN, Paul, S.
    • FOO, ThomasGARNER, James, MichaelOZER, RonPEARLMAN, Paul, S.
    • C07C253/10B01J27/16B01J23/75
    • C07C253/10C07C255/04
    • The invention provides a hydrocyanation process to produce adiponitrile and other dinitriles having six carbon atoms, the process comprising: a) forming a reaction mixture in the presence of at least one Lewis acid, said reaction mixture comprising ethylenically unsaturated nitriles having five carbon atoms, hydrogen cyanide, and at least one catalyst composition, by continuously feeding the ethylenically unsaturated nitriles, the hydrogen cyanide, and the catalyst composition; wherein the catalyst composition comprises a zero-valent nickel and at least one bidentate phosphorus-containing ligand; the bidentate phosphorus-containing ligand is selected from the group consisting of a phosphite, a phosphonite, a phosphinite, a phosphine, and a mixed phosphorus-containing ligand or a combination of such members; and the bidentate phosphorus-containing ligand gives acceptable results according to at least one protocol of the 2-Pentenenitrile Hydrocyanation Test Method; b) controlling X and Z, wherein X is the overall feed molar ratio of 2- pentenenitriles to all unsaturated nitriles; and Z is the overall feed molar ratio of hydrogen cyanide to all unsaturated nitriles; by selecting a value for X in the range of about 0.001 to about 0.5; and a value for Z in the range of about 0.5 to about 0.99; such that the value of quotient Q, wherein Formula (I), is in the range from about 0.2 to about 10, wherein 3PN is 3-pentenenitriles and 4PN is 4-pentenenitrile; c) withdrawing a reaction product mixture comprising adiponitrile, 2- methylglutaronitrile, ethylenically unsaturated nitriles, the catalyst composition, and catalyst composition degradation products; and wherein the ratio of the concentration of 2-pentenenitriles to the concentration of 3-pentenenitriles in the reaction mixture is in the range from about 0.2/1 to about 10/1; d) extracting at least a portion of the reaction product mixture with an extraction agent selected from the group consisting of aliphatic hydrocarbons, cycloaliphatic hydrocarbons, and mixtures thereof to obtain an extract phase comprising the extraction agent and the catalyst composition and a raffinate phase comprising adiponitrile, 2-methylglutaronitrile, ethylenically unsaturated nitriles, catalyst composition degradation products, and the extraction agent; and e) distilling the extract phase to obtain a first stream comprising the extraction agent and a second stream comprising the catalyst composition.
    • 本发明提供了一种氢氰化方法,用于生产具有六个碳原子的己二腈和其它二腈,该方法包括:a)在至少一种路易斯酸存在下形成反应混合物,所述反应混合物包含具有五个碳原子的烯属不饱和腈,氢 氰化物和至少一种催化剂组合物,通过连续进料烯属不饱和腈,氰化氢和催化剂组合物; 其中所述催化剂组合物包含零价镍和至少一种二齿含磷配体; 二齿含磷配体选自亚磷酸盐,亚膦酸盐,膦酸盐,膦和混合的含磷配体或这些成员的组合; 并且根据2-戊烯腈氢氰化测试方法的至少一个方案,二齿含磷配体可得到可接受的结果; b)控制X和Z,其中X是2-戊烯腈与所有不饱和腈的总进料摩尔比; Z是氰化氢与所有不饱和腈的总进料摩尔比; 通过选择约0.001至约0.5范围内的X的值; 并且Z的值在约0.5至约0.99的范围内; 使得其中式(I)的范围在约0.2至约10的范围内的商Q的值,其中3PN是3-戊烯腈,4PN是4-戊烯腈; c)取出包含己二腈,2-甲基戊二腈,烯属不饱和腈,催化剂组合物和催化剂组合物降解产物的反应产物混合物; 并且其中所述2-戊烯腈的浓度与所述反应混合物中3-戊烯腈的浓度的比率在约0.2 / 1至约10/1的范围内; d)用选自脂族烃,脂环族烃及其混合物的萃取剂萃取反应产物混合物的至少一部分,以获得包含萃取剂和催化剂组合物的提取相,以及含有己二腈的萃余相 ,2-甲基戊二腈,烯键式不饱和腈,催化剂组合物降解产物和提取剂; 和e)蒸馏提取相以获得包含萃取剂的第一流和包含催化剂组合物的第二料流。
    • 10. 发明申请
    • HYDROCYANATION PROCESS WITH REDUCED YIELD LOSSES
    • 加氢过程,降低产量损失
    • WO2008008926A2
    • 2008-01-17
    • PCT/US2007/073413
    • 2007-07-13
    • INVISTA TECHNOLOGIES, S.A.R.L.FOO, ThomasGARNER, James, MichaelOZER, RonPEARLMAN, Paul, S.
    • FOO, ThomasGARNER, James, MichaelOZER, RonPEARLMAN, Paul, S.
    • C07C253/10C07C255/04
    • The invention provides a hydrocyanation process for the production of adiponitrile and other dinitriles having six carbon atoms, the process comprising: a) forming a reaction mixture in the presence of at least one Lewis acid, said reaction mixture comprising ethylenically unsaturated nitrites having five carbon atoms, hydrogen cyanide, and a catalyst precursor composition, by continuously feeding ethylenically unsaturated nitrites, hydrogen cyanide, and a catalyst precursor composition; b) controlling X and Z, wherein X is the overall feed molar ratio of 2-pentenenitriles to all unsaturated nitrites and Z is the overall feed molar ratio of hydrogen cyanide to all unsaturated nitrites, by selecting a value for X in the range from about 0.001 to about 0.5, and a value for Z in the range from about 0.5/1 to about 0.99/1, such that the value of quotient Q, Formula (I), wherein Q is in the range from about 0.2 to about 10, wherein 3PN is 3- pentenenitriles and 4PN is 4-pentenenitrile; and c) withdrawing a reaction product mixture comprising adiponitrile; wherein the ratio of the concentration of 2-pentenenitriles to the concentration of 3-pentenenitriles in the reaction mixture is from about 0.2/1 to about 10/1; wherein the catalyst precursor composition comprises a zero-valent nickel and at least one multidentate phosphorus-containing ligand; wherein the multidentate phosphorus-containing ligand is selected from the group consisting of a phosphite, a phosphonite, a phosphinite, a phosphine, and a mixed phosphorus-containing ligand or a combination of such members; and wherein the multidentate phosphorus-containing ligand gives acceptable results according to at least one protocol of the 2- Pentenenitrile Hydrocyanation Test Method.
    • 本发明提供了用于生产己二腈和具有六个碳原子的其他二腈的氢氰化方法,该方法包括:a)在至少一种路易斯酸存在下形成反应混合物,所述反应混合物 其包含具有五个碳原子的烯属不饱和亚硝酸盐,氰化氢和催化剂前体组合物,通过连续供给烯属不饱和亚硝酸盐,氰化氢和催化剂前体组合物; b)控制X和Z,其中X是2-戊烯腈与所有不饱和腈的总进料摩尔比,Z是氰化氢与所有不饱和腈的总进料摩尔比,通过选择X的值在约 0.001至约0.5,并且Z的值在约0.5 / 1至约0.99 / 1的范围内,使得商Q,式(I)的值,其中Q在约0.2至约10的范围内, 其中3PN是3-戊烯腈并且4PN是4-戊烯腈; 和c)取出包含己二腈的反应产物混合物; 其中反应混合物中2-戊烯腈浓度与3-戊烯腈浓度的比例为约0.2 / 1至约10/1; 其中所述催化剂前体组合物包含零价镍和至少一种多齿含磷配体; 其中所述多齿含磷配体选自亚磷酸酯,亚膦酸酯,亚膦酸酯,膦和混合的含磷配体或这些成分的组合; 并且其中所述多齿含磷配体根据2-戊烯腈氢氰酸测试方法的至少一个方案给出可接受的结果。