Wastewater and waste gas pollutant treatment ball loaded with composite modified nanometer TiO2
A pollutant treatment and compound modification technology, which is applied in the direction of flocculation/sedimentation water/sewage treatment, water pollutants, water/sewage treatment, etc., can solve the problems of complex treatment process, high investment in treatment equipment, and high maintenance and replacement costs
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Embodiment 1
[0094] Microporous sphere surface modification:
[0095] carrier active AL 2 0 3 Surface modification of microporous hollow spheres Wash the alumina microporous spheres with a diameter of 0.5-19mm in water, dry them, place the dried activated alumina in a reaction kettle, introduce 1000L of dilute sulfuric acid solution with a volume concentration of 20%, and immerse them for 5 minutes; The final activated alumina was washed with water and dried to obtain acid-treated microporous spheres; the acid-treated microporous spheres were soaked in 50 kg of aluminum sulfate solution (the mass volume concentration of aluminum sulfate solution was 10-30% aqueous solution) for 30 hours, discarded Wash the solution with water for 3-5 times; add 20L of silane coupling agent KH570 to 1000L of absolute ethanol solution, add dropwise oxalic acid to pH3, hydrolyze at 45°C for 50min to obtain a hydrolysis coupling agent alcohol solution, and dissolve 50kg AL 2 0 3 The microporous hollow spher...
Embodiment 2
[0097] Active AL 2 0 3 Microporous sphere-supported semiconducting coupling TiO 2 Composite materials with photocatalytic properties
[0098] (1) 20kg nanometer TiO 2 Ultrasonic dispersion in 1000L absolute ethanol, the prepared 200moL cadmium sulfate solution was dropped into it to make it uniformly dispersed, and then K 2 200 mol of S solution was slowly dropped into the mixed solution, stirred and reacted for 12 hours, introduced into a homogenizer for homogenization for 10 minutes, and a mixed liquid was obtained;
[0099] (2) The surface modification activity AL of Example 1 2 0 3 The microporous hollow spheres were soaked in the above (1) mixed liquid for 6 hours, then taken out, and the carrier loaded with the mixed liquid was ventilated and dried for 2 hours, then dried at 80°C for 2.5 hours, and finally dried at a speed of 20°C / min in an air atmosphere. Raise the temperature to 300°C-600°C and keep the temperature for 4h to obtain the loaded composite modified n...
Embodiment 3
[0101] Active AL 2 0 3Microporous sphere-supported semiconducting coupling TiO 2 Composite materials with photocatalytic properties
[0102] (1) 150kg nanometer TiO 2 Ultrasonic dispersion in 1000L absolute ethanol, the prepared 200moL cadmium sulfate solution was dropped into it to make it uniformly dispersed, and then K 2 200 mol of S solution was slowly dropped into the mixed solution, stirred and reacted for 12 hours, introduced into a homogenizer for homogenization for 10 minutes, and a mixed liquid was obtained;
[0103] (2) The surface modification activity AL of Example 1 2 0 3 The microporous hollow spheres were soaked in the above (1) mixed liquid for 6 hours, then taken out, and the carrier loaded with the mixed liquid was ventilated and dried for 2 hours, then dried at 80°C for 2.5 hours, and finally dried at a speed of 20°C / min in an air atmosphere. Raise the temperature to 300°C-600°C and keep the temperature for 4h to obtain the loaded composite modified n...
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