Catalyst for removing carbon oxides in gas
A technology for carbon oxides and gas removal, which is used in the production of hydrocarbons from carbon oxides, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., and can solve the problems of poor stability and high operating temperature.
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Embodiment 1
[0026] Weigh 120 grams of the commercially available BYAC-206 alumina carrier after roasting at 600°C for 4 hours, mix 8 grams of stannous chloride (SnCl 2 2H 2 O) Dissolved in 120 ml of ethanol to prepare an ethanol solution, impregnated the solution on the above carrier, and dried at 110°C for 4 hours to obtain A.
[0027] 450 grams of nickel nitrate [Ni(NO 3 ) 2 ·6H 2 O] and 52 grams of manganese nitrate were dissolved in 60 milliliters of water to make a solution, and this solution was impregnated on A. Dry at 110°C for 5 hours to obtain B.
[0028] Place B in a stainless steel tube with air and decompose it at 300° C. for 5 hours to obtain C, thus preparing Catalyst 1 of this example. The catalyst 1 contains 40% nickel, 5% manganese, 2% tin, and the balance is alumina carrier.
Embodiment 2
[0030] Take by weighing 240 grams of alumina carrier after roasting at 500 DEG C for 4 hours, the carrier is the same as the carrier in Example 1, except that 6.5 grams of tin protochloride (SnCl 2 2H 2 0) be dissolved in the ethanol of 260 milliliters, 345 grams of nickel nitrate and 160 grams of manganese nitrate are dissolved in the water of 310 milliliters and make solution respectively, the method of impregnating stannous chloride, nickel nitrate and manganese nitrate is identical with embodiment 1, Catalyst 2 of this example was obtained. After the same decomposition and reduction as in Example 1, the catalyst 2 contains 20% nickel, 1% tin, 10% manganese, and the balance is alumina carrier.
Embodiment 3
[0032] Take by weighing 160 grams of alumina carrier after roasting at 580 DEG C for 4 hours, the carrier is the same as the carrier in Example 1, and 32 grams of lanthanum nitrate [La(NO 3 ) 3 ·6H 2 O] was dissolved in 160 ml of water to make a solution, then impregnated onto the carrier, and dried at 110°C for 4 hours to obtain D.
[0033] 12 grams of stannous chloride (SnCl 2 2H 2 O) was dissolved in 160 ml of ethanol to make a solution, then dipped on D, and dried at 110°C for 4 hours to obtain E.
[0034] 450 grams of nickel nitrate [Ni(NO 3 ) 2 ·6H 2 O] and 140 g of manganese nitrate were dissolved in 100 ml of water to make a solution, which was then impregnated onto E. Dry at 110°C for 5 hours to obtain F.
[0035] Put F in a stainless steel tube with air and decompose it at 350°C for 5 hours. After reduction, the catalyst 3 contains 30% nickel, 10% manganese, 3% tin, 5% lanthanum, and the balance is alumina carrier.
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