Emergency treatment apparatus applicable to catalytic oxidation of high-risk wastewater

A technology for emergency treatment and catalytic oxidation, which is used in oxidized water/sewage treatment, water/sewage treatment, special compound water treatment, etc. The effect of high reaction efficiency and high wastewater treatment efficiency

Pending Publication Date: 2017-03-22
SOUTHEAST UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Some environmental pollutants have complex structures, high toxicity, and difficult biodegradable substances, such as nitrosodimethylamine, unsymmetrical dimethylhydrazine, hydrazine hydrate, ciprofloxacin, azithromycin, formaldehyde, acetonitrile, etc. These highly toxic and difficult biodegradable substances Degraded substances cannot be detoxified and detoxified by traditional biochemical pools. Once the waste liquid leaks, it will cause serious harm
At present, most of the rapid treatment methods adopt Fenton-like method, ozone oxidation method, physical precipitation method, etc., which have many disadvantages, such as incomplete degradation, serious secondary pollution, high energy consumption, and harsh degradation conditions, etc.
[0003] The high-risk wastewater treatment devices currently on the market are generally large-scale treatment pools, which are equipped with a complete

Method used

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  • Emergency treatment apparatus applicable to catalytic oxidation of high-risk wastewater
  • Emergency treatment apparatus applicable to catalytic oxidation of high-risk wastewater
  • Emergency treatment apparatus applicable to catalytic oxidation of high-risk wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: as figure 1 , 2 , 3, 4 and 5 show a kind of emergency treatment device suitable for catalytic oxidation of high-risk wastewater, said emergency treatment device includes a chassis 1, an oxidant storage area 2, a mixer 3, a catalytic reactor 4, a pressure water pump 5 and The three-way valve, the oxidant storage area 2, the mixer 3, the catalytic reactor 4 and the pressure water pump 5 are all fixedly installed on the chassis 1, and the waste water inlet pipe of the device is connected to the water inlet of the three-way valve through the pressure water pump 5 , the other water inlet of the three-way valve is connected to the oxidant storage area 2, the water outlet of the three-way valve is connected to the mixer 3, and the mixer 3 is connected to the water inlet 14 of the catalytic reactor 4 through a pipeline, and the catalytic reaction Device 4 is provided with drain port 15 to connect waste water drainpipe.

[0028] The catalytic reactor 4 is a close...

Embodiment 2

[0029] Embodiment 2: as image 3 , 4Shown in and 5, there is and only one catalytic reaction tank 16 in different reaction zones 13 on the same lifting rope 18, and there are and only one reaction lamp tubes 19 in different reaction zones 13 on the same lifting rope 18 One; when some components of the device break down, by directly extracting a group of lifting ropes 18, a lamp tube 19 or a catalytic reaction tank 16 is taken away in 13 in each reaction zone, and the lamp tube 19 and catalytic reaction tank 16 in each area The number is still the same, which is convenient for the stable progress of the catalytic oxidation reaction in each area, and does not affect the normal operation of the device while the maintenance work is in progress.

Embodiment 3

[0030] Embodiment 3: as image 3 , 4 Shown in and 5, the top of catalytic reaction tank 16 is connected on the pull rope 18 by top cover 17, and the tank body of catalytic reaction tank 16 is made up of cylindrical through hole screen cloth 20, and catalyzer is installed inside the tank body; The reaction tank is filled with a catalyst. In order to facilitate the full contact of the catalyst with the waste water and light in the tank body 4, the reaction tank body composed of a through-hole screen 20 is placed with a catalyst, and the catalyst reaction efficiency is high.

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PUM

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Abstract

The invention discloses an emergency treatment apparatus applicable to catalytic oxidation of high-risk wastewater. The emergency treatment apparatus comprises a base plate, an oxidizing agent storage zone, a mixer, a catalytic converter, a pressure water pump and a three-way valve, wherein the oxidizing agent storage zone, the mixer, the catalytic converter and the pressure water pump are all fixedly mounted on the base plate; the wastewater inlet pipe of the apparatus is connected with the water inlet of the three-way valve via the pressure water pump; the other water inlet of the three-way valve is connected with the oxidizing agent storage zone; the water outlet of the three-way valve is connected with the mixer; the mixer is connected with the water inlet of the catalytic converter; and the catalytic converter is provided with a water outlet which is connected with a wastewater outlet pipe. The apparatus provided by the invention treats wastewater by using the principles of cooperation between photocatalysis and chemical catalysis and can realize diversified treatment of a plurality of components in sewage; process conditions of oxidation and degradation are mild; heating is not needed; the range of the acid-base value of sewage is wide; no secondary pollution is produced; and a catalyst is shaped and can be repeatedly and stably used.

Description

technical field [0001] The invention relates to the technical field of high-risk wastewater treatment, in particular to an emergency treatment device suitable for catalytic oxidation of high-risk wastewater. Background technique [0002] Some environmental pollutants have complex structures, high toxicity, and difficult biodegradable substances, such as nitrosodimethylamine, unsymmetrical dimethylhydrazine, hydrazine hydrate, ciprofloxacin, azithromycin, formaldehyde, acetonitrile, etc. These highly toxic and difficult biodegradable substances Degraded substances cannot be detoxified and detoxified by traditional biochemical pools. Once the waste liquid leaks, it will cause serious harm. At present, most of the rapid treatment methods adopt Fenton-like method, ozone oxidation method, physical precipitation method, etc., which have many disadvantages, such as incomplete degradation, serious secondary pollution, high energy consumption, and harsh degradation conditions. [00...

Claims

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Application Information

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IPC IPC(8): C02F1/72C02F1/32
CPCC02F1/32C02F1/725C02F2305/023C02F2305/10
Inventor 吴敏李伟杰张仲琨孙岳明秦艳涛齐齐
Owner SOUTHEAST UNIV
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