A kind of tungsten-based catalyst, preparation method and use thereof in isobutane-butene alkylation reaction
A catalyst and isobutane technology, applied in the direction of catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as difficult to achieve industrialization, rapid deactivation selectivity, etc.
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Embodiment 1
[0026] Embodiment 1 Preparation of tungsten-based catalyst
[0027] Step 1, preparation of monodisperse polystyrene-methacrylic acid composite microspheres: in parts by weight, mix 5 parts of styrene, 1 part of divinylbenzene and 0.3 part of methacrylic acid, then add initiator diperoxide After 0.3 parts of benzoyl, stir evenly, then add it to 8 parts of aqueous solution with a concentration of 2wt% polyvinyl alcohol, after high-speed dispersion, react at 75°C for 1 hour, then add sodium dodecylbenzenesulfonate to the reaction solution to make The concentration of sodium dodecylbenzenesulfonate in the reaction liquid is 0.3wt%, react at 90°C for 0.5h, centrifuge the polymer product, wash it with deionized water, and dry it in vacuum to obtain monodisperse polystyrene- Methacrylic acid composite microspheres;
[0028] Step 2, charge treatment on the surface of microspheres: in parts by weight, disperse 2 parts of monodisperse polystyrene-methacrylic acid composite microspheres...
Embodiment 2
[0033] Example 2 Preparation of tungsten-based catalyst
[0034]Step 1, preparation of monodisperse polystyrene-methacrylic acid composite microspheres: in parts by weight, mix 8 parts of styrene, 1.5 parts of divinylbenzene and 0.6 part of methacrylic acid, then add initiator diperoxide After 0.5 parts of benzoyl, stir evenly, then add it to 12 parts of aqueous solution with a concentration of 4wt% polyvinyl alcohol, after high-speed dispersion, react at 80°C for 1.5 hours, then add sodium dodecylbenzenesulfonate to the reaction solution, Make the concentration of sodium dodecylbenzenesulfonate in the reaction solution 0.5wt%, react at 95°C for 1h, centrifuge the polymer product, wash it with deionized water, and dry it in vacuum to obtain monodisperse polystyrene- Methacrylic acid composite microspheres;
[0035] Step 2, charge treatment on the surface of microspheres: in parts by weight, disperse 5 parts of monodisperse polystyrene-methacrylic acid composite microspheres i...
Embodiment 3
[0040] Example 3 Preparation of tungsten-based catalyst
[0041] Step 1, preparation of monodisperse polystyrene-methacrylic acid composite microspheres: in parts by weight, mix 6 parts of styrene, 1.2 parts of divinylbenzene and 0.5 part of methacrylic acid, then add initiator diperoxide After 0.4 parts of benzoyl, stir evenly, then add it to 10 parts of aqueous solution with a concentration of 3wt% polyvinyl alcohol, after high-speed dispersion, react at 77°C for 1.2h, then add sodium dodecylbenzenesulfonate to the reaction solution, Make the concentration of sodium dodecylbenzenesulfonate in the reaction solution 0.4wt%, react at 92°C for 0.6h, centrifuge the polymer product, wash it with deionized water, and dry it in vacuum to obtain monodisperse polystyrene - Methacrylic acid composite microspheres;
[0042] Step 2, charge treatment on the surface of the microspheres: in parts by weight, disperse 4 parts of monodisperse polystyrene-methacrylic acid composite microsphere...
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