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Loaded composite modified nano tio 2 waste water waste gas pollutant treatment ball

A pollutant treatment and compound modification technology, which is applied in the fields of flocculation/sedimentation water/sewage treatment, water pollutants, radioactive pollutants, etc. problems, to avoid phase separation and crystallization tendency, strong electron supply ability, and ensure the effect of optical stability

Active Publication Date: 2021-06-04
BEIJING FAIRVIEW NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The technical problem to be solved by the present invention is to provide a loaded composite modified nano-TiO 2 Wastewater and gas pollutant treatment balls solve the defects of existing treatment equipment such as high investment, high maintenance and replacement costs, greater influence by environmental pharmaceutical preparations, or complex treatment processes

Method used

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  • Loaded composite modified nano tio <sub>2</sub> waste water waste gas pollutant treatment ball
  • Loaded composite modified nano tio <sub>2</sub> waste water waste gas pollutant treatment ball
  • Loaded composite modified nano tio <sub>2</sub> waste water waste gas pollutant treatment ball

Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

The invention relates to a wastewater and waste gas pollutant treatment ball loaded with composite modified nano TiO2, comprising active microporous balls, composite modified nano TiO 2 and plant-extracted photosensitizers or strong oxidants, the composite modified nano-TiO 2 and plant extract photosensitizers or strong oxidants are sequentially loaded on the active microporous spheres. The present invention is due to composite modified nano-TiO 2 and plant extract photosensitizers or strong oxidants are sequentially loaded on the active microporous spheres to obtain active groups with high ability to treat the spheres. The diameter of the treated spheres and the thickness of the stacked layers can be determined according to the concentration and type of pollutants. Exhaust gas, it can be placed in the exhaust gas discharge channel, using the labyrinth principle, the pollutants in the exhaust gas react with these active groups with higher energy, and finally converted into CO 2 and H 2 O and other substances.

Description

technical field [0001] The invention relates to a loaded composite modified nano-TiO 2 The utility model relates to a waste water and gas pollutant treatment ball, belonging to the field of polluted waste water or flue gas purification treatment facilities. Background technique [0002] my country is becoming the largest country in the manufacturing industry, which has driven the development of the national economy, but at the same time it has also brought serious waste gas pollution problems. Different industries emit different types of waste gas. At present, due to the increasingly complex composition of industrial waste gas, Although the VOCs waste gas treatment methods commonly used in my country can reduce air pollution to a certain extent, they still cannot be effectively treated and completely eradicated. At the same time, due to the rapid development of the industrial industry, the amount of waste gas emissions in the atmosphere has increased significantly. It is di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J21/06B01J21/18B01J23/10B01J35/08B01J35/10B01J20/20B01J20/08B01J20/30B01J20/28C02F1/72C02F1/30C02F1/28C02F1/52B01D53/86B01D53/50B01D53/52B01D53/56B01D53/72B01D53/68B01D53/02
CPCB01D53/02B01D53/8609B01D53/8612B01D53/8628B01D53/8659B01D53/8668B01D2255/802B01D2258/0283B01J20/08B01J20/20B01J20/28021B01J21/063B01J21/18B01J23/002B01J23/10B01J35/0013B01J35/002B01J35/0026B01J35/004B01J35/08B01J35/1019B01J35/1042C02F1/281C02F1/30C02F1/5236C02F1/725C02F2101/006C02F2101/103C02F2101/18C02F2101/22C02F2101/34C02F2101/345C02F2101/36C02F2101/38C02F2303/02C02F2303/04C02F2305/10
Inventor 苏斌苏文雯苏文锦
Owner BEIJING FAIRVIEW NEW TECH CO LTD
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