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Method for catalytically treating organic matters in high-salinity wastewater by using waste warmer paste

A high-salt wastewater and catalytic treatment technology, which is applied in the field of environmental engineering, can solve the problems of increasing catalyst cost investment and investing a lot, and achieve the effect of excellent cycle catalytic performance and good pH tolerance

Pending Publication Date: 2022-03-04
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, most heterogeneous photo-Fenton catalysts such as ferroferric oxide and cobalt tetraoxide often need to invest a lot of metal salts and consume energy in the preparation process, which increases the cost of the catalyst.

Method used

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  • Method for catalytically treating organic matters in high-salinity wastewater by using waste warmer paste
  • Method for catalytically treating organic matters in high-salinity wastewater by using waste warmer paste
  • Method for catalytically treating organic matters in high-salinity wastewater by using waste warmer paste

Examples

Experimental program
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Effect test

Embodiment 1

[0033] A method for catalytically treating organic matter in high-salt wastewater by using waste warm baby stickers:

[0034] (1) Disassemble the used warm baby paste, take out the internal powder substance, wash it with water and dry it at 60°C to prepare a heterogeneous photo-Fenton catalyst;

[0035] (2) The total volume is 100mL, the sodium sulfate solution that concentration is respectively 0.4mol / L and the tetracycline solution of 30mg / L are mixed;

[0036] (3) Add 0.3g / L dried warm baby paste powder to the above mixed liquid and stir for 30 minutes;

[0037] (4) Using a 300W xenon lamp as a light source, add 0.2mL of 30% hydrogen peroxide solution to the above suspension to start the degradation reaction, take a small amount of reaction liquid within a specified time interval and measure the remaining concentration of tetracycline in it to evaluate the waste The performance of the heterogeneous photo-Fenton catalyst prepared by Nuanbaotie in the degradation of refracto...

Embodiment 2

[0044] A method for treating refractory organic matter in high-salt wastewater with waste warm baby paste heterogeneous photo-Fenton catalyst, characterized in that it includes the following steps:

[0045] (1) Disassemble the used baby warmer stickers, take out the internal heating powder, wash with water and dry at 60°C;

[0046] (2) The total volume is 100mL, the concentration is respectively the sodium chloride solution of 0.4mol / L and the tetracycline solution of 30mg / L;

[0047] (3) Add 0.1g / L dried warm baby paste powder to the above mixed liquid and stir for 30 minutes;

[0048] (4) Using a 300W xenon lamp as a light source, add 0.2mL of 30% hydrogen peroxide solution to the above suspension to start the degradation reaction, take a small amount of reaction liquid within a specified time interval and measure the remaining concentration of tetracycline in it to evaluate the waste The performance of the heterogeneous photo-Fenton catalyst prepared by warm baby stickers ...

Embodiment 3

[0052] A method for treating refractory organic matter in high-salt wastewater with waste warm baby paste heterogeneous photo-Fenton catalyst, characterized in that it includes the following steps:

[0053] (1) Disassemble the used baby warmer stickers, take out the internal heating powder, wash with water and dry at 60°C;

[0054] (2) The total volume is 100mL, the sodium sulfate solution that concentration is respectively 0.4mol / L and the tetracycline solution of 30mg / L are mixed;

[0055] (3) Add 0.5g / L dried warm baby paste powder to the above mixed liquid and stir for 30 minutes;

[0056] (4) Using a 300W xenon lamp as a light source, add 0.2mL of 30% hydrogen peroxide solution to the above suspension to start the degradation reaction, take a small amount of reaction liquid within a specified time interval and measure the remaining concentration of tetracycline in it to evaluate the waste The performance of the heterogeneous photo-Fenton catalyst prepared by warm baby st...

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Abstract

The invention discloses a method for catalytically treating organic matters in high-salinity wastewater by using waste warmer pastes, which comprises the following steps: taking out powder substances in the waste warmer pastes, washing with water, and drying at 50-70 DEG C to obtain a heterogeneous photo-Fenton catalyst; adding the catalyst obtained in the step 1 into to-be-treated organic matter-containing high-salinity wastewater, and uniformly stirring and dispersing to obtain dispersion liquid; adding an oxidizing agent into the obtained dispersion liquid, and starting a degradation reaction by taking a 20-300W xenon lamp as a light source; according to the invention, the waste warmer paste is prepared into the heterogeneous photo-Fenton catalyst and is applied to environmental pollutant treatment, so that the effect of treating waste with waste is achieved; and meanwhile, refractory organic matters in the high-salinity wastewater can be efficiently treated, good pH tolerance and excellent cyclic catalysis performance are achieved, and a new thought is provided for actual treatment of organic pollutants in the high-salinity wastewater.

Description

technical field [0001] The invention belongs to the technical field of environmental engineering, and in particular relates to a method for catalytically treating organic matter in high-salt wastewater by using waste warm baby stickers. Background technique [0002] With the development of industry and economy, the problem of water pollution has become more and more prominent. The development of new water treatment technologies can effectively control the content of pollutants in industrial wastewater, so as to curb water pollution at the source. In recent years, more and more researchers have paid more and more attention to advanced oxidation technology to generate strong oxidizing free radicals. Among many oxidants, hydrogen peroxide has gradually become a hotspot in the research of advanced oxidation technology because of its strong oxidizing ability and the relatively clean decomposition products of hydrogen peroxide. The homogeneous Fenton advanced oxidation technolog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/72B01J23/745C02F1/30C02F101/30
CPCC02F1/725C02F1/30B01J23/745C02F2101/30C02F2305/10B01J35/39
Inventor 吴晓勇李育彪汪金鹏汪佳强佘思佳
Owner WUHAN UNIV OF TECH
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