KR900004398A - Ammoxidation of Paraffin and Catalysts for It - Google Patents

Abstract

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Description

Ammoxidation of Paraffin and Catalysts for It

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Claims (16)

A composite metal oxide catalyst composition comprising 100 to 99% by weight of a diluent / support having an element and a ratio represented by the following Experimental Formula 1. VP _P W _W A _A D _D C _C T _T O _X (Equation 1) [Wherein A is at least one of Sn, Mo, B and Ge, and D is at least one of Re, Co, Ni, Cr, Pb, Mn, Zn, Se, Te, Ga, Zr, In and As; , C is at least one of alkali metals and, T1, and T is at least one of Ca, Sr, Mg, and Ba; a is 0-10; d is 0-10, c is 0-1, t is 0-10, p is 0.1-20, w is 0.2-10; (a + c + d + t + w): the ratio of (1 + p) does not exceed 6; There is less than 2 Mo and atoms per V atom.] Particle form according to claim 1 mixed with a cocatalyst composition in the form of particulates containing from 100 to 1% by weight of a cocatalyst having an element and proportion represented by the following Equation 2 and from 0 to 99% by weight of a diluent / self Composite metal oxide catalyst composition having a. B _IN C _EP D _D E _E M _O12 W _G O _Y (Equation 2) [Wherein, D is at least one of rare earths except Fe, Mn, Pb, Co, Ni, Cu, Sn, P, Cr, Y, Mg, Ca, Sr, Ba, and Ce and Sm, and E is Sb At least one of Ge, As, Se, Te, and V, and F is at least one of Alkyl MA, T1, Ag, and Sm; n is 0.01-24, p is 0.01-24, (n + p) is 0.1-24, d is 0-10, e is 0-10, f is 0-6, g is 0-8, y is different Determined by the oxidation state of the element; The weight ratio of the catalyst composition to the cocatalyst composition is in the range of 0.001 to 2.5. The catalyst composition of claim 1, wherein at least 0.4 W atoms are contained per V atom. The catalyst composition of claim 1, wherein at least 0.5 P atoms are contained per V atom. 4. The catalyst composition of claim 3, wherein at least 0.5 P atoms are contained per V atom. 3. The particulate mixture of claim 2, wherein the catalyst contains at least 0.4 W atoms per V atom. 3. The particulate mixture of claim 2, wherein the catalyst contains at least 0.5 W atoms per V atom. 7. The particulate mixture of claim 6, wherein the catalyst contains at least 0.4 W atoms per V atom. Propane and isobutane by catalytic contacting a reactant at a reaction site with a composite metal oxide catalyst composition comprising a catalyst with an amount of 100 to 1% by weight and a diluent / support of 0 to 99% by weight having an element and a ratio represented by the following Experimental Formula 1 A method for preparing α, β-unsaturated mononitrile by catalytic reaction of paraffin selected from oxygen and ammonia. VP _P W _W A _A D _D C _C T _T O _X (Equation 1) [Wherein A is at least one of Sn, Mo, B and Ge, and D is at least one of Re, Co, Ni, Cr, Pb, Mn, Zn, Se, Te, Ga, Zr, In and As; , C is at least one of alkali metals and, T1, and T is at least one of Ca, Sr, Mg, and Ba; a is 0-10; d is 0-10, c is 0-1, t is 0-10, p is 0.1-20, w is 0.2-10; (a + c + d + t + w): the ratio of (1 + p) does not exceed 6; Less than 2 Mo atoms per V atom; A reactant having a molar ratio of paraffin to NH ₃ in the range of 2 to 16 and a molar ratio of paraffin to O ₂ in the range of 1 to 10 is supplied to the reaction site.] 10. The composite metal oxide catalyst composition mentioned in claim 9 is in particulate form and contains from 100 to 1% by weight of a cocatalyst and 0 to 99% by weight of a diluent / support with the elements and proportions represented by empirical formula 2 below. Characterized in that it is mixed with a cocatalyst mixture, which is also in particulate form. B _IN C _EP D _D E _E M _O12 W _G O _Y (Equation 2) [Wherein, D is at least one of rare earths except Fe, Mn, Pb, Co, Ni, Cu, Sn, P, Cr, Y, Mg, Ca, Sr, Ba, and Ce and Sm, and E is Sb At least one of Ge, As, Se, Te, and V, and F is at least one of Alkyl MA, T1, Ag, and Sm; n is 0.01-24, p is 0.01-24, (n + p) is 0.1-24, d is 0-10, e is 0-10, f is 0-6, g is 0-8, y is different Determined by the oxidation state of the element; The weight ratio of the catalyst composition to the cocatalyst composition is in the range of 0.001 to 2.5.] 10. The process of claim 9, wherein the catalyst mentioned contains at least 0.4 W atoms per V atom. 10. The process of claim 9, wherein the catalyst mentioned contains at least 0.5 P atoms per V atom. 12. The process of claim 11 wherein the catalyst mentioned contains at least 0.5 P atoms per V atom. The process of claim 10 wherein the catalyst mentioned contains at least 0.5 W atoms per V atom. The process of claim 10 wherein the catalyst mentioned contains at least 0.5 P atoms per V atom. 15. The process of claim 14, wherein the catalyst mentioned contains at least 0.5 P atoms per V atom. ※ Note: The disclosure is based on the initial application.