Method for preparing nano carbon composite nickel ferrite
A technology of nickel ferrite and nano-carbon, applied in chemical instruments and methods, catalyst activation/preparation, water/sludge/sewage treatment, etc., can solve the problem of no catalytic degradation of organic pollutants, achieve improved catalytic effect, and produce The effect of simple process
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Embodiment 1
[0010] Add 10g of ferric chloride to 200mL of water to form a solution, then add 30mg of tetramethylammonium bromide and 2L of acetone, stir to form an emulsion, then add 22g of sodium hydroxide, stir vigorously, and then add the mass of commercially available chlorine 35mL of sodium hypochlorite with a fraction of 10%, continued to stir vigorously for 3h, finally added 3g of nickel chloride, continued to stir for 4h, separated the solid from the liquid, removed the supernatant, washed the solid with distilled water 4 times, dried at 105°C, and placed in a muffle furnace Under the protection of nitrogen, it was calcined at 650°C for 5 hours, and nitrogen was continuously fed until it cooled to room temperature, and a nano-carbon composite nickel ferrite was obtained.
[0011] 0.5g of nano-carbon composite nickel ferrite was added to 100mL of phenol wastewater with a concentration of 18mg / L, and reacted for 120min under the irradiation of a 120W LED lamp, and the degradation rat...
Embodiment 2
[0014] Add 5g of ferric chloride to 100mL of water to form a solution, then add 20mg of tetramethylammonium bromide and 1L of acetone, stir to form an emulsion, then add 10g of sodium hydroxide, stir vigorously, and then add the mass of commercially available chlorine Sodium hypochlorite with a fraction of 10% was 15mL, continuously stirred vigorously for 2h, finally added 1g of nickel chloride, continued to stir for 2h, separated the solid from the liquid, removed the supernatant, washed the solid with distilled water for 3 times, dried at 105°C, and placed in a muffle furnace Under the protection of nitrogen, it was calcined at 450°C for 4 hours, and nitrogen was continuously fed until it cooled to room temperature, and a nano-carbon composite nickel ferrite was obtained.
[0015] 0.5g of nano-carbon composite nickel ferrite was added to 150mL of methylene blue wastewater with a concentration of 20mg / L, and reacted for 90min under the irradiation of a 120W LED lamp, and the d...
Embodiment 3
[0017] Add 8g of ferric chloride to 150mL of water to form a solution, then add 25mg of tetramethylammonium bromide and 2L of acetone, stir to make an emulsion, then add 18g of sodium hydroxide, stir vigorously, and then add the mass of commercially available chlorine Sodium hypochlorite with a fraction of 10% was 20mL, continuously stirred vigorously for 3h, finally added 3g of nickel chloride, continued to stir for 4h, separated solid from liquid, removed the supernatant, washed the solid with distilled water 4 times, dried at 105°C, and placed in a muffle furnace Under the protection of nitrogen, it was calcined at 550°C for 5h, and nitrogen was continuously fed until it cooled to room temperature, and a nano-carbon composite nickel ferrite was obtained.
[0018] 0.5g of nano-carbon composite nickel ferrite was added to 100mL of rhodamine B wastewater with a concentration of 20mg / L, and reacted for 90min under the irradiation of a 120W LED lamp, and the decolorization rate w...
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