摘要:
Chemical combination (C) between an active solid phase which is covalently bound to the surface of an inert solid phase, characterized in that said solid active phase essentially consists in a solid solution of a mixture of at least a magnesium oxide type phase compound and at least a magnesium silicate type phase compound in which Al, and Rh and/or Ni cations are soluted and characterized in that said inert solid phase is either a compound represented by the general formula (I): AlaNibRhcMgdSieOf (I) wherein a, b, c, d, and e are integers which are greater than or equal to 0, f is an integer greater than 0, the sum a+b+c+d≠0, and wherein (3a+2b+3c+2d+4e)/2=f, or a mixture of compounds represented by the said general formula (I), provided that at least one of the Si, Al, Mg, Rh or Ni elements, which is present in the solid active phase, is also present in the solid inert phase. Use of a catalyst in chemical reactions involving the conversion of hydrocarbonaceous feedstocks.
摘要:
Process for the preparation of a catalytic specie consisting essentially of a metallic support, which is coated with a ceramic active phase layer, mainly compound of the general formula (I): [RhxNiyMglAlm(OH)2]z+(An−z/n)kH2O, (I) wherein An− is mainly a silicate or a polysilicate anion; 0≦x≦0.3; 0≦y≦0.9; 0≦l≦0.9; 0≦m≦0.5; 0≦k≦10; x+y>0; 0.5≦y+l≦0.9; x+y+l+m=1; and z is the total electrical charge of the cationic element or a compound of the general formula (II): [AzA′1-z][B1-x-yNixRhy]O3-δ (II) wherein A and A′ are different and are selected from the Lanthanide or the Actinide families or from the group IIa of the Mendeleev's periodical table of elements; B is selected from the transition metal groups of columns IIIb, IVb, Vb, VIb, VIIb, Ib and IIb and group VIIIb of the Mendeleev's periodical table of elements; 0≦x≦0.7, 0≦y≦0.5, 0≦x+y≦0.8, 0≦z≦1 and is the sub stoechiometric value of oxygen to obtain the electric neutrality of the Perovskite compound; said process essentially consisting in a step (a) of electro-deposition of said ceramic active phase on said metallic support. Use of said catalytic specie as a catalyst oxidation of gaseous hydrocarbons, to produce synthesis gas.
摘要翻译:用于制备基本上由金属载体组成的催化剂的方法,该金属载体涂覆有陶瓷活性相,主要是通式(I)的化合物:[RhxNiyMglAlm(OH)2] z +(An-z / n) kH 2 O,(I)其中An-主要是硅酸盐或聚硅酸盐阴离子; 0≦̸ x≦̸ 0.3; 0≦̸ y≦̸ 0.9; 0≦̸ l≦̸ 0.9; 0≦̸ m≦̸ 0.5; 0≦̸ k≦̸ 10; x + y> 0; 0.5≦̸ y + 1≦̸ 0.9; x + y + l + m = 1; 并且z是阳离子元素或通式(II)的化合物的总电荷:其中A和A'不同的[AzA'1-z] [B1-x-yNixRhy] O3-δ(II) 选自镧系元素或锕系元素族,或选自门德列夫元素周期表IIa族; B选自门多列夫元素周期表第IIIb,IVb,Vb,VIb,VIIb,Ib和IIb族和VIIIb族的过渡金属组; 0≦̸ x≦̸ 0.7,0和nlE; y≦̸ 0.5,0和nlE; x + y≦̸ 0.8,0和nlE; z≦̸ 1并且是氧的亚微观值,以获得钙钛矿化合物的电中性; 所述方法基本上包括将所述陶瓷活性相电沉积在所述金属载体上的步骤(a)。 使用所述催化剂作为气态烃的催化剂氧化,产生合成气。
摘要:
Process for the preparation of a catalytic specie consisting essentially of a metallic support, which is coated with a ceramic active phase layer, mainly compound of the general formula (I): [RhxNiyMglAlm(OH)2]z+(An−z/n) kH2O.
摘要翻译:用于制备基本上由金属载体组成的催化剂的方法,该金属载体涂覆有陶瓷活性相,主要是通式(I)的化合物:[RhxNiyMglAlm(OH)2] z +(An-z / n) kH2O。
摘要:
Chemical combination (C) between an active solid phase which is covalently bound to the surface of an inert solid phase, characterized in that said solid active phase essentially consists in a solid solution of a mixture of at least a magnesium oxide type phase compound and at least a magnesium silicate type phase compound in which Al, and Rh and/or Ni cations are soluted and characterized in that said inert solid phase is either a compound represented by the general formula (I): AlaNibRhcMgdSieOf (I) wherein a, b, c, d, and e are integers which are greater than or equal to 0, f is an integer greater than 0, the sum a+b+c+d≠0, and wherein (3a+2b+3c+2d+4e)/2=f, or a mixture of compounds represented by the said general formula (I), provided that at least one of the Si, Al, Mg, Rh or Ni elements, which is present in the solid active phase, is also present in the solid inert phase.Use of a catalyst in chemical reactions involving the conversion of hydrocarbonaceous feedstocks.
摘要:
Process for the preparation of a catalytic specie consisting essentially of a metallic support, which is coated with a ceramic active phase layer, mainly compound of the general formula (I): [RhxNiyMglAlm(OH)2]z+(An−z/n)kH2O, (I) wherein An− is mainly a silicate or a polysilicate anion; 0≦x≦0.3; 0≦y≦0.9; 0≦l≦0.9; 0≦m≦0.5; 0≦k≦10; x+y>0; 0.5≦y+l≦0.9; x+y+l+m=1; and z is the total electrical charge of the cationic element or a compound of the general formula (II): [AzA′1-z][B1-x-yNixRhy]O3-δ (II) wherein A and A′ are different and are selected from the Lanthanide or the Actinide families or from the group IIa of the Mendeleev's periodical table of elements; B is selected from the transition metal groups of columns IIIb, IVb, Vb, VIb, VIIb, Ib and IIb and group VIIIb of the Mendeleev's periodical table of elements; 0≦x≦0.7, 0≦y≦0.5, 0≦x+y≦0.8, 0≦z≦1 and is the sub stoechiometric value of oxygen to obtain the electric neutrality of the Perovskite compound; said process essentially consisting in a step (a) of electro-deposition of said ceramic active phase on said metallic support. Use of said catalytic specie as a catalyst oxidation of gaseous hydrocarbons, to produce synthesis gas.
摘要翻译:用于制备基本上由金属载体组成的催化剂的方法,该金属载体涂覆有陶瓷活性相,主要是通式(I)的化合物:[RhxNiyMglAlm(OH)2] z +(An-z / n) kH 2 O,(I)其中An-主要是硅酸盐或聚硅酸盐阴离子; 0≦̸ x≦̸ 0.3; 0≦̸ y≦̸ 0.9; 0≦̸ l≦̸ 0.9; 0≦̸ m≦̸ 0.5; 0≦̸ k≦̸ 10; x + y> 0; 0.5≦̸ y + 1≦̸ 0.9; x + y + l + m = 1; 并且z是阳离子元素或通式(II)的化合物的总电荷:其中A和A'不同的[AzA'1-z] [B1-x-yNixRhy] O3-δ(II) 选自镧系元素或锕系元素族,或选自门德列夫元素周期表IIa族; B选自门多列夫元素周期表第IIIb,IVb,Vb,VIb,VIIb,Ib和IIb族和VIIIb族的过渡金属组; 0≦̸ x≦̸ 0.7,0和nlE; y≦̸ 0.5,0和nlE; x + y≦̸ 0.8,0和nlE; z≦̸ 1并且是氧的亚微观值,以获得钙钛矿化合物的电中性; 所述方法基本上包括将所述陶瓷活性相电沉积在所述金属载体上的步骤(a)。 使用所述催化剂作为气态烃的催化剂氧化,产生合成气。