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Magnetic field inductive type photocatalytic reactor and degradation use method therefor

A technology of photocatalytic reactor and magnetic field induction, which is applied in the field of photocatalytic reaction, can solve the problems of weak light, uneven light, high price, etc., and achieve the effects of uniform light distribution, long service life and improved utilization rate

Active Publication Date: 2015-09-23
江苏乐圣环保装备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still deficiencies in the fiber optic reactor, such as high price, uneven illumination, strong illumination close to the optical fiber, and weak illumination far away from the optical fiber
The effect of external alternating magnetic field on photocatalytic reaction and the photocatalytic reactor based on the principle of electromagnetic induction have not been reported in the literature

Method used

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  • Magnetic field inductive type photocatalytic reactor and degradation use method therefor
  • Magnetic field inductive type photocatalytic reactor and degradation use method therefor
  • Magnetic field inductive type photocatalytic reactor and degradation use method therefor

Examples

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Effect test

example 1

[0064] The magnetic field induction photocatalytic reactor of the present invention is used to degrade phenol wastewater.

[0065] Using phenol solution as simulated wastewater, the initial concentration of phenol, the initial pH value of the solution, the amount of catalyst added, the H 2 o 2 The influence of factors such as the amount of dosage, air flow, frequency of alternating magnetic field, current through the coil and time on the catalytic effect. According to the experimental design, take 125mL phenol solution, add a certain amount of TiO 2 and H 2 o2 , use constant temperature circulating water to control the temperature of the reaction system to 30°C, turn on the air compressor to adjust the air flow, turn on the circulating water pump to circulate the reaction solution, use a regulated power supply to control the intensity of the light source, adjust the coil current intensity and the frequency of the alternating magnetic field, and turn on the stirrer , after r...

example 2

[0072] Example 2 Magnetic Field Induction Photocatalytic Reactor Degradation of Methylene Blue Wastewater

[0073] Using methylene blue solution as simulated wastewater, the initial concentration of methylene blue, initial pH value, catalyst dosage, H 2 o 2 The influence of factors such as dosage, air flow, frequency of alternating magnetic field, high-frequency alternating current through the coil and time on the catalytic effect. According to the experimental design, take 125mL methylene blue solution, add a certain amount of TiO 2 and H 2 o 2 , use constant temperature circulating water to control the temperature of the reaction system to 30°C, turn on the air compressor to adjust the air flow, turn on the circulating pump to circulate the reaction solution, use a regulated power supply to control the intensity of the light source, adjust the coil current intensity and the frequency of the alternating magnetic field, and turn on the stirrer After reacting for a certain ...

Embodiment 3

[0081] Example 3 Magnetic Field Induction Photocatalytic Reactor Degradation of Printing and Dyeing Wastewater

[0082] The actual printing and dyeing wastewater from a printing and dyeing factory in Xuzhou was selected as the degradation object, and it was photocatalytically degraded with a self-made new inductive photocatalytic reactor. Amount, H 2 o 2 The influence of factors such as the amount of dosage, the frequency of the alternating magnetic field, the magnitude of the high-frequency alternating current passing through the coil, and time on the catalytic effect. According to the experimental design, the water sample was taken from the mixed wastewater pool, which was a dark blue suspension. Due to its high turbidity, it would affect the transmission of ultraviolet light and reduce the photocatalytic reaction rate, so it was filtered before treatment. Take 125mL of actual wastewater, add a certain amount of TiO 2 and H 2 o 2 , use constant temperature circulating w...

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Abstract

The present invention discloses a magnetic field inductive type photocatalytic reactor and a degradation use method therefor. The magnetic field inductive type photocatalytic reactor comprises a micro inductive light source, a reaction tank and alternating magnetic fields, wherein the micro inductive light source is arranged inside the reaction tank and the reaction tank is arranged inside the alternating magnetic fields; and the alternating magnetic fields, by means of electromagnetic induction, enable the micro inductive light source to emit light to form the inductive photocatalytic reactor of the alternating magnetic fields and optical coupling effect. The light source of a catalytic reactor can generate illumination in a reaction liquid without the need of an external power line; meanwhile, the light source has high mass-transfer efficiency in the reaction liquid and has low energy consumption and high energy efficiency.

Description

technical field [0001] The invention relates to a magnetic field induction photocatalytic reactor, which belongs to the technical field of photocatalytic reaction. Background technique [0002] Photocatalytic reaction technology is an efficient and clean wastewater treatment technology, but it has not been applied in practice, mainly because the reaction efficiency is low, which is reflected in the high recombination rate of photogenerated electrons and holes; the uneven illumination, the energy utilization rate of the light source inferior. In order to improve the quantum efficiency and energy utilization of the photocatalytic process, in addition to modifying the composition and structure of the photocatalyst (such as metal ion doping, noble metal deposition, acid modulation, surface loading and semiconductor recombination, etc.), it is also possible to To improve the photocatalytic reactor, add an external field to the photocatalytic system, including microwave field, el...

Claims

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Application Information

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IPC IPC(8): C02F1/32C02F1/72
CPCY02W10/37
Inventor 孟庆华袁兴程孙纪远闫艳李亮李广超
Owner 江苏乐圣环保装备制造有限公司
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