Open type multichannel visual photocatalytic oxidation teaching experimental device

A photocatalytic oxidation and experimental device technology, which is applied in the field of open multi-channel visible photocatalytic oxidation teaching experimental device, can solve the problems that the teaching experiment device is not presented, and achieve the effect of strengthening understanding and deepening understanding

Inactive Publication Date: 2012-06-13
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing devices are closed operation under high-power and strong ultraviolet light.
Restricted by light

Method used

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  • Open type multichannel visual photocatalytic oxidation teaching experimental device
  • Open type multichannel visual photocatalytic oxidation teaching experimental device
  • Open type multichannel visual photocatalytic oxidation teaching experimental device

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0014] Such as figure 1 As shown, the present invention is an open multi-channel visible photocatalytic oxidation teaching experiment device, comprising a reactor 1, the reactor 1 is a measuring cylinder of 500 milliliters, and the volume of the solution can be read by the liquid level scale 12 on the reactor 1 The reactor 1 is vertically fixed on the plate surface 5 with an inverted T-shaped longitudinal section with a pipe clip 11. The reactor 1 is provided with a vertical light source 2 and a gas path pin 3. The light source 2 is a low-power low-energy light source, such as a UV-A light tube with a power between 5 and 10W, which is inserted into a glass or quartz material. The sleeve 14 isolates the light source 2 from the liquid in the reactor 1 . The gas path pin 3 is connected with the diaphragm air pump 10 or the ozone generator 15, a...

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Abstract

The invention relates to an open type multichannel visual photocatalytic oxidation teaching experimental device, which comprises a reactor, wherein a vertical light source and a gas circuit thrusting needle are arranged in the reactor; the light source is a light source with small power and low energy consumption, namely an ultraviolet-A (UV-A) light tube with the power of between 5 and 10 W; theUV-A light tube is sleeved in an annular tube, so that the light source is insolated from liquid in the reactor; the gas circuit thrusting needle is connected with a diaphragm air pump or an ozone generator; a rotor flowmeter is arranged on a connecting pipeline; the diaphragm air pump or the ozone generator is connected to a controller, and the light source is also connected to the controller; asuction tube is also arranged in the reactor and is connected to an external magnetic force liquid discharging pump to realize the experiment conversion of adding and extracting the liquid quickly; and the controller sets reaction time to complete the selection control of intermittent or period programs and methods. According to the open type multichannel visual photocatalytic oxidation teaching experimental device, the photocatalytic advanced oxidation method and principle can be mastered and analyzed by the design of a multiparameter open type and multichannel parallel visual device.

Description

technical field [0001] The invention belongs to the teaching and scientific research technical field of environmental chemistry and material science, and specifically relates to an open multi-channel visible photocatalytic oxidation teaching experiment device. Background technique [0002] Advanced water treatment by photocatalytic semiconductor oxidation is one of the most green and environmentally friendly new technologies. The principle of its realization is that the catalyst generates photogenerated electrons (e) and holes (h) on the surface of the catalyst after selective light irradiation. Furthermore, it further reacts with the surrounding water molecules and dissolved oxygen, etc., and induces the generated superoxygen (O 2- ·) Hydroxyl (OH·) and other oxidative free radicals. These free radicals are very unstable, have the highest potential, and have a strong oxidation ability. They can oxidize and decompose organic molecules in water into carbon dioxide and water,...

Claims

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Application Information

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IPC IPC(8): C02F1/78C02F1/74C02F1/32C02F1/30
Inventor 葛碧洲韩芸张军金鹏康罗声
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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