Catalyst for calcium carbide furnace gas deoxidation and preparation method thereof
A calcium carbide furnace gas and catalyst technology, applied in the directions of carbon monoxide, chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problem of low activity of non-precious metal active components, serious side reactions, and anti-toxicity. low problems, to achieve the effects of strong anti-toxic ability, good stability and simple preparation method
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Embodiment 1
[0044] The calcium carbide furnace gas deoxidation catalyst of the present embodiment is made up of (by weight) 30% active component, 10% coagent and 60% carrier, and active component is the cuprous oxide that is equivalent to cupric oxide and is 27% and It is equivalent to platinum sulfide with 3% of platinum, the coagent is iron chloride and zinc nitrate equivalent to 10% iron oxide and zinc oxide content in the catalyst, and the carrier is silicon dioxide. The preparation method is as follows:
[0045] (1) Get cuprous oxide 24.3g, silicon dioxide 60g and mix uniformly;
[0046] (2) kneading the mixture obtained in step (1), extrusion molding, drying at 100°C for 4 hours, and roasting at 400°C for 4 hours to obtain a catalyst precursor;
[0047] (3) Get 3.49g of platinum sulfide, 14.6g of ferric chloride (equivalent to 6.5g of iron oxide), 8.17g of zinc nitrate (equivalent to 3.5g of zinc oxide), and add deionized water for dissolving to prepare an impregnating solution;
...
Embodiment 2
[0050] The calcium carbide furnace gas deoxidation catalyst of the present embodiment is made up of (by weight) 40.1% active components, 20% coagents, and 39.9% carrier, and the active components are copper acetate equivalent to 40% copper oxide and platinum nitrate equivalent to 0.1% of platinum, the active auxiliary agent is composed of aluminum chloride and zinc chloride equivalent to 20% of aluminum oxide and zinc oxide in the catalyst, and the carrier is zirconia.
[0051] (1) Dissolve 45.5g of copper acetate, 26.2g of aluminum chloride (equivalent to 10g of aluminum oxide) and 16.8g of zinc chloride (equivalent to 10g of zinc oxide) in deionized water to form a solution;
[0052] (2) Take 39.9 g of zirconia, add the prepared solution in step (1) for kneading, extrude, dry at 120° C. for 3 hours, and roast at 300° C. for 5 hours to obtain a catalyst precursor;
[0053] (3) get 0.16g platinum nitrate and be mixed with solution;
[0054] (4) Immerse the prepared catalyst p...
Embodiment 3
[0056] The calcium carbide furnace gas deoxidation catalyst of the present embodiment is made up of (by weight) 52.1% active components, 30% coagents, and 17.9% carrier, and the active components are copper acetate equivalent to 50% copper oxide and platinum sulfide equivalent to 2.1% of platinum, the active auxiliary agent is composed of aluminum acetate, iron acetate and zinc acetate equivalent to 30% of aluminum oxide, iron oxide and zinc oxide in the catalyst, and the carrier is silicon dioxide.
[0057] (1) Dissolve 113.8g of copper acetate, 40.0g of aluminum acetate (equivalent to 10g of aluminum oxide), 45.7g of iron acetate (equivalent to 10g of iron oxide) and 35.9g of zinc acetate (equivalent to 10g of zinc oxide) in deionized water, dubbed into a solution;
[0058] (2) Take 17.9 g of silicon dioxide, add the prepared solution in step (1) for kneading, extrude, dry at 120°C for 3 hours, and roast at 400°C for 4 hours to obtain a catalyst precursor;
[0059] (3) get ...
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