Preparation method for blast furnace slag particle supported catalyst
A technology for supporting catalysts and blast furnace slag, applied in chemical instruments and methods, physical/chemical process catalysts, separation methods, etc., can solve the problems of high cost, waste of resources, large manpower, etc., and achieves simple operation and high adsorption. , Environmentally friendly effect
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[0015] First, take 200-400g of blast furnace slag, put it into an ultrafine pulverizer for crushing, then put it into a container, add 80-150mL of hydrochloric acid solution with a mass fraction of 35%, stir for 20-35min, filter and rinse with deionized water ; Then put the filtered particles into a drying furnace to dry, take out the dried particles and put them in a melting furnace, adjust the temperature to 1500-1700°C until the particles are completely melted; then use a temperature of 3-10°C and store in The hydrogen gas in the container with a pressure of 8MPa quickly cools the molten blast furnace slag particles, puts them into a pulverizer, and crushes them into particles with a particle size of 5-10mm; then pour the crushed particles into the container, and pour them into the Add 20-30ml of nickel sulfate solution with a mass concentration of 0.5mol / L, 20-30g of sodium dodecylbenzenesulfonate and 50-60mL of absolute ethanol and mix well; then take 3-4g of potassium alu...
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