XaYbZcOd.pC (A)possibly shaped without a binder, or by sulfidation of mixed oxides having formula (A), in shaped form with a binder,wherein X is selected from Ni, Co and mixtures thereof,Y is selected from Mo, W and mixtures thereof,Z is selected from Si, Al and mixtures thereof,O is oxygen,C is selected from: a nitrogenated compound N,an organic residue deriving from the partial calcination of the nitrogenated compound N,said nitrogenated compound N, when present, being selected from:a) an alkyl ammonium hydroxide having formula (I)RIRIIRIIIRIVNOH (I)wherein the groups RIRIV, the same or different, are aliphatic groups containing from 1 to 7 carbon atoms,b) an amine having formula (II)R1R2R3N (II)wherein R1 is a linear, branched or cyclic alkyl, containing from 4 to 12 carbon atoms, andR2 and R3, the same or different, are selected from H and a linear, branched or cyclic alkyl, containing from 4 to 12 carbon atoms, said alkyl being equal to or different from R1,a, b, c, d are the number of moles of the elements X, Y, Z, O, respectively,p is the weight percentage of C with respect to the total weight of the precursor having formula (A),a, b, c, d are higher than 0a/b is higher than or equal to 0.3 and lower than or equal to 2,(a+b)/c is higher than or equal to 0.3 and lower than or equal to 10, preferably varying from 0.8 to 10d=(2a+6b+Hc)/2 wherein H=4 when Z=Si H=3 when Z=Aland p is higher than or equal to 0 and lower than or equal to 40%.;Said catalysts can be used as hydrotreating catalysts."/>
Mixed oxides of transition metals, hydrotreatment catalysts obtained therefrom, and preparation process comprising sol-gel processes
New sulfided metal catalysts are described, containing a metal X selected from Ni, Co and mixtures thereof, a metal Y selected from Mo, W and mixtures thereof, an element Z selected from Si, Al and mixtures thereof, and possibly an organic residue, obtained by the sulfidation of mixed oxide precursors, also new, having general formula (A)XaYbZcOd.pC (A)possibly shaped without a binder, or by sulfidation of mixed oxides having formula (A), in shaped form with a binder,wherein X is selected from Ni, Co and mixtures thereof,Y is selected from Mo, W and mixtures thereof,Z is selected from Si, Al and mixtures thereof,O is oxygen,C is selected from: a nitrogenated compound N,an organic residue deriving from the partial calcination of the nitrogenated compound N,said nitrogenated compound N, when present, being selected from:a) an alkyl ammonium hydroxide having formula (I)RIRIIRIIIRIVNOH (I)wherein the groups RIRIV, the same or different, are aliphatic groups containing from 1 to 7 carbon atoms,b) an amine having formula (II)R1R2R3N (II)wherein R1 is a linear, branched or cyclic alkyl, containing from 4 to 12 carbon atoms, andR2 and R3, the same or different, are selected from H and a linear, branched or cyclic alkyl, containing from 4 to 12 carbon atoms, said alkyl being equal to or different from R1,a, b, c, d are the number of moles of the elements X, Y, Z, O, respectively,p is the weight percentage of C with respect to the total weight of the precursor having formula (A),a, b, c, d are higher than 0a/b is higher than or equal to 0.3 and lower than or equal to 2,(a+b)/c is higher than or equal to 0.3 and lower than or equal to 10, preferably varying from 0.8 to 10d=(2a+6b+Hc)/2 wherein H=4 when Z=Si H=3 when Z=Aland p is higher than or equal to 0 and lower than or equal to 40%.;Said catalysts can be used as hydrotreating catalysts.
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机译：描述了新的硫化金属催化剂，其包含选自Ni，Co及其混合物的金属X，选自Mo，W及其混合物的金属Y，选自Si，Al及其混合物的元素Z以及可能的有机残基，通过硫化混合氧化物前体（也是新的）而制得，具有通式（A）<？in-line-formulae description =“ In-line Formulae” end =“ lead”？> X a Y b Z c O d .p C（A）<？in-line-formulae description =“ In-line Formulae” end =“ tail”？> 可能在没有粘合剂的情况下成型，或通过硫化具有式（A）的混合氧化物而成型，并带有粘合剂 ，其中X是选自Ni，Co及其混合物， Y是选自Mo，W及其混合物， Z选自Si，Al及其混合物， O是氧， C选自： 含氮化合物N， 源自氮化化合物N的部分煅烧的有机残基， 表示该氮化化合物N（如果存在） ，选自： a）具有式（I）的氢氧化烷基铵<？in-line-formulae description =“在线公式” end =“ lead”？> R I R II R III R IV NOH（I）<？in-line-formulae description =“在线表达式” end =“ tail”？> 其中基团R I R IV 相同或不同，是含有1至7个碳原子的脂肪族基团， b）具有式（II）的胺<？in-line-formulae description =“在线公式” end =“ lead”？> R 1 R 2 R 3 N （II）<？in-line-formulae description =“ In-line Formulae” end =“ tail”？> 其中R 1 是直链，支链或环状烷基，含有4至12个碳原子，并且 相同或不同的R 2 和R 3 选自H和含4至12个碳原子的直链，支链或环状烷基等于或不同于R 1 ， a，b，c，d为元素X，Y，Z，O的摩尔数。 p是C相对于C的总重量的重量百分比具有公式（A）的前体 a，b，c，d高er> 0 a / b大于或等于0.3且小于或等于2， （a + b）/ c大于或等于0.3且小于或等于10，最好在0.8到10之间变化 d =（2a + 6b + Hc）/ 2，其中Z = Si时H = 4 H = 3，当Z = Al ，并且p大于或等于0且小于或等于40％。 ;所述催化剂可用作加氢处理催化剂。
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