-
公开(公告)号：US06458742B1
公开(公告)日：2002-10-01
申请号：US09641380
申请日：2000-08-17
IPC分类号： B01J2310
CPC分类号： C07C253/26 , B01J23/8876 , Y02P20/52 , C07C255/08
摘要： A catalyst composition comprising a complex of catalytic oxides of iron, bismuth, molybdenum, cobalt, cerium, antimony, at least one of nickel or magnesium, and at least one of lithium, sodium, potassium, rubidium, or thallium, and characterized by the following empirical formula: AaBbCcFedBieCofCegSbhMomOx wherein A is at least one of Cr, P, Sn, Te, B, Ge, Zn, In, Mn, Ca, W, or mixtures thereof B is at least one of Li, Na, K, Rb, Cs, Tl, or mixtures thereof C is least one of Ni, Mg or mixtures thereof a is 0 to 4.0 b is 0.01 to 1.5 c is 1.0 to 10.0 d is 0.1 to 5.0 e is 0.1 to 2.0 f is 0.1 to 10.0 g is 0.1 to 2.0 h is 0.1 to 2.0 m is 12.0 to 18.0 and x is a number determined by the valence requirements of the other elements present. The catalyst is useful in processes for the ammoxidation of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively.
摘要翻译： 一种催化剂组合物，其包含铁，铋，钼，钴，铈，锑，镍或镁中的至少一种和锂，钠，钾，铷或铊中的至少一种的催化氧化物的络合物，其特征在于 以下经验式：其中A为Cr，P，Sn，Te，B，Ge，Zn，In，Mn，Ca，W或其混合物中的至少一种B为Li，Na，K，Rb，Cs， T1或其混合物C是Ni，Mg或其混合物中的至少一种，a为0〜4.0b为0.01〜1.5c为1.0〜10.0d，0.1〜5.0e为0.1〜2.0f，0.1〜10.0g为0.1〜2.0h 0.1至2.0μm为12.0至18.0，x为由其它元素的化合价要求确定的数。催化剂可用于将选自丙烯，异丁烯或其混合物的烯烃的氨氧化反应， 丙烯腈，甲基丙烯腈及其混合物。
-
公开(公告)号：US5258543A
公开(公告)日：1993-11-02
申请号：US904611
申请日：1992-06-26
IPC分类号： B01J23/18 , B01J23/22 , B01J23/26 , B01J23/847 , B01J23/889 , C01C3/02 , C07B61/00 , C07C253/26 , C07C255/08
CPC分类号： B01J23/22 , B01J23/18 , B01J23/8892 , C01C3/0216 , C07C253/26 , Y02P20/52
摘要： Disclosed is a method for ammoxidizing C.sub.3 to C.sub.5 mono-olefins to .alpha.,.beta.-mono-unsaturated acyclic nitriles having 3 to 5 carbon atoms and HCN by introducing such mono-olefins molecular oxygen and ammonia into a reaction zone into vapor phase contact with a solid ammoxidation catalyst, wherein the mol ratio of introduced molecular oxygen and ammonia to said introduced mono-olefin is at least 1.5 and 1.0, respectively, wherein said catalyst contains the elements and proportions indicated by the empirical formula:V1Sb.sub.a M.sub.m N.sub.n O.sub.xwherea=0.5 to 2M=one or more of: Sn, Ti, Fe, and Gam=0.05 to 3, usually at least 0.1 and at most 1N=one or more of: W, Bi, Mo, Li, Mg, P, Zn, Mn, Te, Ge, Nb, Zr, Cr, Al, Cu, Ce, Bn=0.0 to 0.5,and wherein the preparation of the catalyst includes contacting in an aqueous dispersion a vanadium compound and an antimony compound while said vanadium is in solution.
摘要翻译： 公开了一种通过将这种单烯烃分子氧和氨引入反应区中与C3- C5单烯烃氧化成具有3至5个碳原子的α，β-单不饱和非环状腈和HCN的气相接触方法 固体氨氧化催化剂，其中引入的分子氧和氨与所述引入的单烯烃的摩尔比分别为至少1.5和1.0，其中所述催化剂含有以下经验式所示的元素和比例：V1SbaMmNnOx其中a = 0.5至2 M = Sn，Ti，Fe和Ga中的一种或多种：m = 0.05〜3，通常为0.1以上且1N以下= W，Bi，Mo，Li，Mg，P，Zn， Mn，Te，Ge，Nb，Zr，Cr，Al，Cu，Ce，B n = 0.0〜0.5，其中催化剂的制备包括在水分散体中使钒化合物与锑化合物接触， 解。
-
公开(公告)号：US06965046B2
公开(公告)日：2005-11-15
申请号：US10213755
申请日：2002-08-06
IPC分类号： B01J23/88 , B01J23/78 , B01J23/83 , B01J23/84 , B01J23/887 , C07B61/00 , C07C253/24 , C07C253/26 , C07C255/08
CPC分类号： C07C253/26 , B01J23/8876 , Y02P20/52 , C07C255/08
摘要： A catalyst composition comprising a complex of catalytic oxides of iron, bismuth, molybdenum, cobalt, cerium, antimony, at least one of nickel or magnesium, and at least one of lithium, sodium, potassium, rubidium, or thallium, and characterized by the following empirical formula: AaBbCcFedBieCofCegSbhMomOx wherein A is at least one of Cr, P, Sn, Te, B, Ge, Zn, In, Mn, Ca, W, or mixtures thereof B is at least one of Li, Na, K, Rb, Cs, Tl, or mixtures thereof C is least one of Ni, Mg or mixtures thereof a is 0 to 4.0 b is 0.01 to 1.5 c is 1.0 to 10.0 d is 0.1 to 5.0 e is 0.1 to 2.0 f is 0.1 to 10.0 g is 0.1 to 2.0 h is 0.1 to 2.0 m is 12.0 to 18.0 and x is a number determined by the valence requirements of the other elements present. The catalyst is useful in processes for the ammoxidation of an olefin selected from the group consisting of propylene, isobutylene or mixtures thereof, to acrylonitrile, methacrylonitrile and mixtures thereof, respectively.
摘要翻译： 一种催化剂组合物，其包含铁，铋，钼，钴，铈，锑，镍或镁中的至少一种和锂，钠，钾，铷或铊中的至少一种的催化氧化物的络合物，其特征在于 以下经验公式：<？in-line-formula description =“In-line Formulas”end =“lead”？> A B C < >>>>>>>>>>>>>>>>>>>>>>>>> <<<<<<<<<<<<<<<<<<<<<<<<< 其中A是Cr，P，Sn中的至少一种，其中A是至少一个Cr，P，Sn ，Te，B，Ge，Zn，In，Mn，Ca，W或其混合物B是Li，Na，K，Rb，Cs，Tl或其混合物中的至少一种，或其混合物。C是Ni，Mg或 其混合物a为0〜4.0b为0.01〜1.5c为1.0〜10.0d为0.1〜5.0e为0.1〜2.0f为0.1〜10.0g为0.1〜2.0h为0.1〜2.0μm为12.0〜18.0，x为 一个数字由其他元素的价格要求确定。 该催化剂可用于分别选自丙烯，异丁烯或其混合物的烯烃与丙烯腈，甲基丙烯腈及其混合物的氨氧化反应的方法。
-
公开(公告)号：US5175334A
公开(公告)日：1992-12-29
申请号：US806959
申请日：1991-12-12
IPC分类号： B01J23/88 , B01J23/887 , B01J27/192 , C07C253/26
CPC分类号： B01J23/8872 , B01J23/8876 , B01J23/8878 , B01J27/192 , C07C253/26 , Y02P20/52
摘要： Olefins such as propylene and isobutylene are converted to the corresponding unsaturated nitriles, acrylonitrile, and methacrylonitrile, respectively, by reacting a mixture of the olefin, ammonia, and molecular oxygen-containing gas in the presence of a catalyst containing the oxides of bismuth, molybdenum, iron, nickel and magnesium, at least one element selected from the group comprising potassium and cesium, and optionally one element selected from the group comprising cobalt, phosphorus, manganese, tellurium, sodium, cerium, chromium, antimony and tungsten wherein the sum of cesium and potassium is at least 0.1 to 0.4
摘要翻译： 烯烃如丙烯和异丁烯分别通过在含有铋，钼的氧化物的催化剂存在下使烯烃，氨和含分子氧的气体的混合物反应转化为相应的不饱和腈，丙烯腈和甲基丙烯腈 ，铁，镍和镁，选自钾和铯的至少一种元素，以及任选的一种选自钴，磷，锰，碲，钠，铈，铬，锑和钨的元素，其中， 铯和钾为至少0.1至0。
-
公开(公告)号：US4978764A
公开(公告)日：1990-12-18
申请号：US411989
申请日：1989-09-25
IPC分类号： B01J23/88 , C07B61/00 , C07C253/24 , C07C255/07 , C07C255/08
CPC分类号： C07C253/24 , B01J23/002 , B01J23/8878 , B01J23/8885 , B01J23/8898 , B01J35/0006 , B01J37/0045 , B01J37/0236 , B01J37/08 , B01J2523/00 , Y02P20/52
摘要： Disclosed is a process f9or making an .alpha., .beta.-unsaturated mononitrile by the catalytic reaction of a paraffin containing 3-5 carbon atoms with molecular oxygen and ammonia by catalytic contact of the foregoing reactants in a reaction zone with a metal oxide catalyst composition that has 10-90 weight percent of a diluent/support and 90-10 weight percent of a catalyst containing the elements indicated by the empirical formula,A.sub.a D.sub.d Bi.sub.c Fe.sub.f Mo.sub.12 O.sub.xin the proportions indicated by the said formula, said diluent/support containing 10 to 100 weight percent Al.sub.2 O.sub.3 and zero to 90 weight percent SiO.sub.2 whereinA is one or more of Li, Na, K, Rb, Cs, Tl B, W, Sn and La;D is one or more of Cr, Sb, Pb, P, Cu, Ni, Co, Mn and Mg;a is zero to 10;c is 0.1 to 10;d is zero to 10; andf is 0.2 to 10; andwherein the reactants fed to the reaction zone contain a mole ratio of said paraffin:NH.sub.3 in the range from 2 to 16 and a mole ratio of said paraffin to O.sub.2 in the range from 1 to 10.
-
6.发明授权Method of preparation of high active phase (AMM)oxidation catalysts with improved performance and attrition resistance 失效具有改进性能和耐磨性的高活性相（AMM）氧化催化剂的制备方法
公开(公告)号：US4659689A
公开(公告)日：1987-04-21
申请号：US836269
申请日：1986-03-05
CPC分类号： C07C253/26 , B01J23/28 , Y02P20/52
摘要： A process for the preparation of bismuth molybdate catalyst comprising (1) adding a dried mixture of metal salts of the active phase of the catalyst to an aqueous sol containing a support material for the active phase, (2) adding an acid to this slurry, (3) heating the slurry to dryness and (4) calcining the dried precursor to form the catalyst.
摘要翻译： 一种制备钼酸铋催化剂的方法，包括（1）将催化剂活性相的金属盐的干燥混合物加入含有活性相载体材料的水性溶胶中，（2）向该浆料中加入酸， （3）将浆料加热至干，（4）煅烧干燥的前体以形成催化剂。
-
公开(公告)号：US5212137A
公开(公告)日：1993-05-18
申请号：US736864
申请日：1991-07-29
IPC分类号： B01J23/88 , B01J23/887 , B01J27/192 , C07C253/26
CPC分类号： B01J23/8872 , B01J23/8876 , B01J23/8878 , B01J27/192 , C07C253/26 , Y02P20/52
摘要： Olefins such as propylene and isobutylene are converted to the corresponding unsaturated nitriles, acrylonitrile, and methacrylonitrile, respectively, by reacting a mixture of the olefin, ammonia, and molecular oxygen-containing gas in the presence of a catalyst containing the oxides of bismuth, molybdenum, iron, nickel and magnesium, at least one element selected from the group comprising potassium and cesium, and optionally one element selected from the group comprising cobalt, phosphorus, manganese, tellurium, sodium, cerium, chromium, antimony and tungsten wherein the sum of cesium and potassium is at least 0.1 to 0.4.
摘要翻译： 烯烃如丙烯和异丁烯分别通过在含有铋，钼的氧化物的催化剂存在下使烯烃，氨和含分子氧的气体的混合物反应转化为相应的不饱和腈，丙烯腈和甲基丙烯腈 ，铁，镍和镁，选自钾和铯的至少一种元素，以及任选的一种选自钴，磷，锰，碲，钠，铈，铬，锑和钨的元素，其中， 铯和钾为至少0.1至0.4。
-
8.发明授权
公开(公告)号：US5288473A
公开(公告)日：1994-02-22
申请号：US959237
申请日：1992-10-09
申请人： Wilfrid G. Shaw , Kenneth L. Bigler , Louis R. Trott , Steve J. Miko , Vincent G. Reiling , Michael J. Seely , Dev D. Suresh , Maria S. Friedrich , Paul E. Bott , Edward J. Sockell , Albert R. Shuki, Jr. , Kenneth P. Keckler , Frank J. Kojancic
发明人： Wilfrid G. Shaw , Kenneth L. Bigler , Louis R. Trott , Steve J. Miko , Vincent G. Reiling , Michael J. Seely , Dev D. Suresh , Maria S. Friedrich , Paul E. Bott , Edward J. Sockell , Albert R. Shuki, Jr. , Kenneth P. Keckler , Frank J. Kojancic
IPC分类号： B01D53/58 , C07C253/24 , C07C253/26 , C07C255/00 , C01C3/00
CPC分类号： B01D53/58 , C07C253/26
摘要： A process for the substantial or complete elimination of ammonium sulfate generated during the production of acrylonitrile by the direct ammoxidation of propylene/propane, ammonia and an oxygen containing gas (e.g. air) over a fluid bed catalyst wherein the improvement comprises introducing an organic compound(s) into said reactor at a location where the compound(s) reacts with substantially all of the excess ammonia without affecting the acrylonitrile yield. Preferably, the organic compound is methanol which is introduced into the reactor at below its coking temperature.
摘要翻译： 通过丙烯/丙烷，氨和含氧气体（例如空气）在流化床催化剂上的直接氨氧化生产丙烯腈期间产生的硫酸铵的实质或完全消除的方法，其中改进包括引入有机化合物 s）在化合物与基本上所有过量的氨反应而不影响丙烯腈产率的位置处于所述反应器中。 优选地，有机化合物是在低于其焦化温度下被引入反应器中的甲醇。
-
公开(公告)号：US5204079A
公开(公告)日：1993-04-20
申请号：US656543
申请日：1991-02-15
申请人： Dev D. Suresh , Mark C. Cesa , Tai C. Yang , Robert K. Grasselli , Mark R. Bruce , Michael J. Seely , Maria S. Friedrich , Robert A. Dubbert
发明人： Dev D. Suresh , Mark C. Cesa , Tai C. Yang , Robert K. Grasselli , Mark R. Bruce , Michael J. Seely , Maria S. Friedrich , Robert A. Dubbert
IPC分类号： C01C3/02
CPC分类号： C01C3/0245
摘要： A process of producing hydrogen cyanide from crude acetonitrile comprising contacting the crude acetonitrile with an ammoxidation catalyst at an elevated temperature in the presence of an oxygen containing gas and ammonia. Preferably, the process is performed in the absence of propylene.
摘要翻译： 包括从粗乙腈生产氰化氢的方法，包括在含氧气体和氨的存在下，在高温下使粗乙腈与氨氧化催化剂接触。 优选地，该方法在不存在丙烯的情况下进行。
-
10.发明授权Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile 失效丙烯腈和甲基丙烯酸的制备方法催化剂
公开(公告)号：US5093299A
公开(公告)日：1992-03-03
申请号：US462202
申请日：1990-01-09
IPC分类号： B01J23/88 , B01J23/887 , B01J27/186 , B01J27/19 , B01J27/192 , C07B61/00 , C07C253/24 , C07C253/26 , C07C255/08
CPC分类号： B01J23/8872 , B01J23/8871 , B01J23/8876 , B01J23/8878 , B01J27/192 , C07C253/26 , Y02P20/52
摘要： Olefins such as propylene and isobutylene are converted to the corresponding unsaturated nitriles, acrylonitrile, and methacrylonitrile, respectively, by reacting a mixture of the olefin, ammonia, and molecular oxygen-containing gas in the presence of a catalyst containing the oxides of bismuth, molybdenum, iron, nickel and magnesium, at least one element selected from the group comprising potassium and cesium, and optionally one element selected from the group comprising cobalt, phosphorus, manganese, tellurium, sodium, cerium, chromium, antimony and tungsten wherein the sum of cesium and potassium is at least 0.1 to 0.4.
-
-
-
-
-
-
-
-
-
搜索结果
42 条记录 (耗时 0.022 秒)