Preparation method of calcium phosphate loaded indium phosphate catalyst
An indium phosphate catalyst, calcium phosphate technology, applied in chemical instruments and methods, physical/chemical process catalysts, chemical/physical processes, etc., can solve problems such as easy falling off, catalyst loss, etc., and achieve firm bonding, increased specific surface area, Not easy to fall off effect
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Embodiment 1
[0016] A preparation method of calcium phosphate supported indium phosphate catalyst, comprising the following steps:
[0017] Take 25mL from the newly prepared sodium tripolyphosphate solution with a concentration of 0.5mol / L and 100mL, and then add 15mL of calcium chloride with a concentration of 0.1mol / L dropwise to the sodium tripolyphosphate solution while stirring at 250r / s solution; after the first drop is completed, 5 mL of indium chloride solution with a concentration of 0.1 mol / L and 5 mL of calcium chloride solution with a concentration of 0.1 mol / L are added dropwise at the same time, and after the second drop is completed, stir for another 50 min ; Finally, centrifuge, wash the solid with distilled water three times, and dry it at 103°C to obtain a calcium phosphate-supported indium phosphate catalyst.
[0018] Application test 1
[0019] Add 0.8g of the prepared calcium phosphate-supported indium phosphate photocatalyst into 300mL of acidic red wastewater with a...
Embodiment 2
[0021] A preparation method of calcium phosphate supported indium phosphate catalyst, comprising the following steps:
[0022] Take 40mL of the newly prepared sodium tripolyphosphate solution with a concentration of 1mol / L and 100mL, and then add 20mL of calcium chloride solution with a concentration of 0.4mol / L dropwise to the sodium tripolyphosphate solution while stirring at a speed of 450r / s. After the first drop is completed, add 15 mL of indium chloride solution and 15 mL of 0.4 mol / L calcium chloride solution at the same time, after the second drop, stir for another 70 min; Finally, centrifuge, wash the solid with distilled water for 4 times, and dry it at 105° C. to obtain the calcium phosphate-supported indium phosphate catalyst.
[0023] Application test 2
[0024] Add 0.8 g of the prepared calcium phosphate-supported indium phosphate into 300 mL of Jincheng 7 wastewater with a concentration of 40 mg / L, react for 30 minutes under the irradiation of a 120W LED lamp, ...
Embodiment 3
[0026] A preparation method of calcium phosphate supported indium phosphate catalyst, comprising the following steps:
[0027] Take 35mL from the newly configured sodium tripolyphosphate solution with a concentration of 0.8mol / L and 100mL, and then add 18mL of calcium chloride with a concentration of 0.3mol / L dropwise to the sodium tripolyphosphate solution while stirring at a speed of 380r / s solution; after the first drop is completed, 10 mL of indium chloride solution with a concentration of 0.3 mol / L and 10 mL of calcium chloride solution with a concentration of 0.3 mol / L are added dropwise at the same time, and after the second drop is completed, stir for another 60 min ; Finally, centrifuge, wash the solid with distilled water three times, and dry it at 104°C to obtain the calcium phosphate-supported indium phosphate catalyst.
[0028] Application test 3
[0029] Add the obtained 0.8g of calcium phosphate-loaded indium phosphate into 300mL of rose bengal B wastewater wit...
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