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Method and process device for treating wastewater

A technology for treating wastewater and process equipment, applied in filtration treatment, chemical instruments and methods, multi-stage water/sewage treatment, etc., can solve the problems of time-consuming and labor-intensive wastewater treatment, inability to efficiently and cheaply treat livestock breeding wastewater, etc., to achieve treatment Cost reduction, good practical application prospect, low price effect

Pending Publication Date: 2021-06-15
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the present application provides a method and device for treating wastewater, which can effectively solve the problems of time-consuming and labor-intensive existing wastewater treatment processes, and the inability to efficiently and cheaply treat livestock breeding wastewater

Method used

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  • Method and process device for treating wastewater
  • Method and process device for treating wastewater
  • Method and process device for treating wastewater

Examples

Experimental program
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Embodiment 1

[0068] The embodiment of the present application discloses a method for treating wastewater, including:

[0069] use figure 1 The device is used for waste water treatment.

[0070] Step 1, contacting the waste water after the tertiary treatment of sewage with the first heterogeneous ozone catalyst plate 3-2, the second heterogeneous ozone catalyst plate 3-3 and the third heterogeneous ozone catalyst plate 3-4 respectively, Pass into ozone and carry out ozone treatment, obtain the first wastewater; The first heterogeneous ozone catalyst plate 3-2, the second heterogeneous ozone catalyst plate 3-3 and the third heterogeneous ozone catalyst plate 3-4 are provided with Homogeneous ozone catalyst;

[0071] Step 2, deodorizing the first wastewater to obtain the second wastewater;

[0072] Step 3, performing contact oxidation treatment on the second waste water to obtain discharge water;

[0073] Step 4. After mixing the discharged water with the wastewater that has undergone the...

Embodiment 2

[0080] The embodiment of the present application discloses a method for treating wastewater, including:

[0081] With reference to the method of Example 1, the difference is that the discharge water and the raw water (wastewater treated by the third stage of sewage) are uniformly mixed according to the volume ratio of 1:1, and the remaining steps are consistent with Example 1 to obtain the COD of the reused water. Cr , and get the COD of recycled water under the condition of 1:1 volume ratio of discharge water and raw water Cr Comprehensive removal rate. The results are shown in Table 1.

Embodiment 3

[0083] The embodiment of the present application discloses a method for treating wastewater, including:

[0084] With reference to the method of Example 1, the difference is that the discharge water and the raw water (wastewater treated by the third stage of sewage) are uniformly mixed according to the volume ratio of 2:1, and the remaining steps are consistent with Example 1 to obtain the COD of the reused water. Cr , and get the COD of the recycled water under the condition that the discharge water and the raw water are mixed in a volume ratio of 2:1 Cr Comprehensive removal rate. The results are shown in Table 1.

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Abstract

The invention belongs to the technical field of wastewater treatment, and particularly relates to a method and and process device for treating wastewater. The provided wastewater treatment method comprises the following steps: respectively making wastewater subjected to sewage three-stage treatment contact with a first heterogeneous ozone catalyst plate, a second heterogeneous ozone catalyst plate and a third heterogeneous ozone catalyst plate, and introducing ozone for ozone treatment to obtain first wastewater, wherein the first heterogeneous ozone catalyst plate, the second heterogeneous ozone catalyst plate and the third heterogeneous ozone catalyst plate are provided with heterogeneous ozone catalysts; performing deodorization treatment on the first wastewater to obtain second wastewater; and carrying out contact oxidation treatment on the second wastewater to obtain discharge water. The invention provides the method and process device for treating wastewater, and the method and device can effectively solve the problems that an existing wastewater treatment process wastes time and labor and cannot efficiently treat livestock breeding wastewater at low cost.

Description

technical field [0001] The application belongs to the technical field of wastewater treatment, and in particular relates to a method for treating wastewater and a process device thereof. Background technique [0002] The livestock breeding wastewater in South China contains high concentrations of organic matter, ammonia nitrogen, suspended solids and a considerable number of pathogens and toxic substances with specific structures, and the biodegradability of livestock breeding wastewater is poor, and the water quality characteristics have strong regional characteristics. After the "anaerobic + aerobic" process treats wastewater, its COD Cr Therefore, it is necessary to use advanced oxidation technology to carry out advanced treatment of livestock breeding wastewater, but in practical applications, there are also problems such as high energy consumption, low utilization rate, and high treatment cost. It can be seen that the existing wastewater treatment process is time-consu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F9/00C02F1/78C02F1/20C02F1/001C02F3/103
Inventor 宋卫锋毛星晨杨佐毅陈舒棋仇一帆马双念
Owner GUANGDONG UNIV OF TECH
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