Wet oxidation catalyst
A wet oxidation and catalyst technology, used in physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, oxidized water/sewage treatment, etc., can solve the problems of poor stability and low initial activity, and achieve stable The effect of improving sexual performance and good technical effect
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Embodiment 1
[0052] Catalyst preparation:
[0053] step 1)
[0054] Prepare 0.3mol / l TiOSO 4 Add 12g of activated carbon powder to 2000ml of aqueous solution, drop 0.6mol / l ammonia water into the turbid solution to co-precipitate to form a gel substance, filter, wash, dry, and roast at 300°C for 2 hours in a nitrogen atmosphere to obtain a composite carrier core pink;
[0055] Step 2)
[0056] 45g composite carrier nucleus powder, 0.1g n-butylamine and 0.1g oxalic acid are mixed, after kneading, extrusion, pelletizing, drying process, the nucleus of composite carrier is obtained; 50g titanium dioxide weight content is the sol spraying of 10% on On the core of the composite carrier, dry and bake at 850°C for 4 hours to make a composite carrier;
[0057] step 3)
[0058] 50g of the composite support was impregnated in a salt solution containing 0.50g of Ru. Immerse at room temperature for 6 hours, dry, and roast at 480°C for 2.5 hours to obtain a catalyst precursor; reduce the catalyst...
Embodiment 2
[0062] Catalyst preparation:
[0063] step 1)
[0064] Prepare 0.3mol / l TiOSO 4 2000ml aqueous solution, drop 0.6mol / l ammonia water into the turbid solution to co-precipitate to form a gel substance, filter, wash, dry, and roast at 300°C for 2 hours under a nitrogen atmosphere to obtain titanium dioxide powder;
[0065] Step 2)
[0066] Mix 41g of titanium dioxide powder, 9g of activated carbon powder, 0.1g of n-butylamine and 0.1g of oxalic acid, knead, extrude, pelletize, and dry, then bake at 850°C for 4 hours to make a composite carrier;
[0067] step 3)
[0068] 50g of the composite support was impregnated in a salt solution containing 0.50g of Ru. Immerse at room temperature for 6 hours, dry, and roast at 480°C for 2.5 hours to obtain a catalyst precursor; reduce the catalyst precursor with hydrogen at 400°C for 3 hours to obtain a finished catalyst;
[0069] Catalyst Evaluation:
[0070] The catalyst prepared above is loaded into a wet oxidation reactor, and the ...
Embodiment 3
[0072] step 1)
[0073] Mix 9g of the composite carrier core powder described in step 1) of Example 1, 0.02g of n-butylamine and 0.02g of oxalic acid, and after kneading, extruding, pelletizing and drying, roast at 300°C for 2 hours in a nitrogen atmosphere , making the core of the composite carrier;
[0074] Step 2)
[0075] 410g of titanium dioxide with a weight content of 10% was sprayed on the core of 9g of the composite carrier several times, and after drying, it was baked at 850°C for 4 hours to make the composite carrier;
[0076] step 3)
[0077] 50g of the composite support was impregnated in a salt solution containing 0.50g of Ru. Immerse at room temperature for 6 hours, dry, and roast at 480°C for 2.5 hours to obtain a catalyst precursor; reduce the catalyst precursor with hydrogen at 400°C for 3 hours to obtain a finished catalyst;
[0078] Catalyst Evaluation:
[0079] The catalyst prepared above is loaded into a wet oxidation reactor, and the waste water is ...
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