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Method for treating 4-nitrophenol by activating persulfate using sulfur-doped ordered mesoporous carbon materials

A technology for activating persulfate and nitrophenol, applied in chemical instruments and methods, oxidized water/sewage treatment, special compound water treatment, etc., to achieve the effects of convenient operation, good application prospects, and high practical value

Active Publication Date: 2020-07-17
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For heteroatom-doped ordered mesoporous carbon materials, it is often used to prepare fuel cells, but there are few reports on the use of heteroatom-doped ordered mesoporous carbon materials to activate persulfate to treat organic pollutants

Method used

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  • Method for treating 4-nitrophenol by activating persulfate using sulfur-doped ordered mesoporous carbon materials
  • Method for treating 4-nitrophenol by activating persulfate using sulfur-doped ordered mesoporous carbon materials
  • Method for treating 4-nitrophenol by activating persulfate using sulfur-doped ordered mesoporous carbon materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A method utilizing sulfur-doped ordered mesoporous carbon material to activate potassium persulfate to process 4-nitrophenol, comprising the following steps:

[0041] At room temperature (25°C) and without adjusting the pH of the pollutant solution (the original pH value of the pollutant solution is 6), 50 mg of sulfur-doped ordered mesoporous carbon material and 100 mg of potassium persulfate were added to 100 mL, concentration In the 4-nitrophenol solution of 150 mg / L, stir for 3 hours, that is, carry out the activation reaction for 3 hours, and complete the treatment of 4-nitrophenol.

[0042] In this example, the sulfur-doped ordered mesoporous carbon material used mainly uses SBA-15 as the mesoporous molecular sieve template, sucrose as the carbon source, dibenzyl disulfide as the carbon source and sulfur source, and sulfuric acid as the catalyst for polymerization to form Sulfur-doped ordered mesoporous carbon polymers are prepared by removing mesoporous molecular...

Embodiment 2

[0055] A method for treating 4-nitrophenol by using sulfur-doped ordered mesoporous carbon materials, which is basically the same as in Example 1, the only difference being: the sulfur doping in the sulfur-doped ordered mesoporous carbon materials used in Example 2 The amount is different.

[0056] In Example 2, the preparation method of the sulfur-doped ordered mesoporous carbon material used is basically the same as the preparation method in Example 1, the only difference being that in Step S2 of Example 2, the mesoporous carbon material obtained in Step S1 The polymer of molecular sieve SBA-15 and sucrose, sucrose, and dibenzyl disulfide are mixed in dilute sulfuric acid solution, and then the polymerization process is carried out. The dosages of sucrose and dibenzyl disulfide are 0.476g and 0.164g respectively.

[0057] The sulfur-doped ordered mesoporous carbon material prepared in Example 2 is numbered S-OMC-1.

[0058] A control group is set in Example 2, no persulfate...

Embodiment 3

[0061] A method for treating 4-nitrophenol by using sulfur-doped ordered mesoporous carbon materials, which is basically the same as in Example 1, the only difference being: the sulfur doping in the sulfur-doped ordered mesoporous carbon materials used in Example 3 The amount is different.

[0062] In Example 3, the preparation method of the sulfur-doped ordered mesoporous carbon material used is basically the same as the preparation method in Example 1, the only difference being that in Step S2 of Example 3, the mesoporous carbon material obtained in Step S1 is The polymer of molecular sieve SBA-15 and sucrose, sucrose, and dibenzyl disulfide are mixed in dilute sulfuric acid solution, and then polymerized, the dosages of sucrose and dibenzyl disulfide are 0.066g and 0.574g respectively.

[0063] The sulfur-doped ordered mesoporous carbon material prepared in Example 3 is numbered S-OMC-2.

[0064] A control group is set in Example 3, no persulfate is added, and other condit...

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Abstract

The invention discloses a method for treating 4-nitrophenol by activating persulfate with a sulfur-doped ordered mesoporous carbon material. The method comprises the following steps: mixing a sulfur-doped ordered mesoporous carbon material, persulfate and a 4-nitrophenol containing water body to carry out activation reaction, and completing 4-nitrophenol treatment. The method for treating the 4-nitrophenol by activating the persulfate with the sulfur-doped ordered mesoporous carbon material can effectively degrade 4-nitrophenol in the water body, has the advantages of simple process, convenient operation, low cost, high treatment efficiency, good degradation effect, environmental friendliness and the like, and has a high practical value and good application prospects.

Description

technical field [0001] The invention belongs to the field of advanced oxidation treatment of organic pollutants, and relates to a method for treating 4-nitrophenol, in particular to a method for treating 4-nitrophenol by using sulfur-doped ordered mesoporous carbon material to activate persulfate . Background technique [0002] 4-Nitrophenol is a common organic pollutant that is highly toxic and difficult to degrade in water. It mainly enters water bodies through wastewater discharge from industries such as pesticides, medicines and dyes, and then has adverse effects on organisms through water pollution. In addition, 4-nitrophenol has been shown to have mutagenic and carcinogenic potential and is now listed as a priority pollutant by the US Environmental Protection Agency. Therefore, it is of great significance to human health and environmental protection to remove 4-nitrophenol in water by efficient and low-cost methods. [0003] In recent years, advanced oxidation techno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/72B01J27/02C02F101/38C02F101/34
CPCB01J27/02C02F1/725C02F2101/345C02F2101/38C02F2305/023
Inventor 柳诗语赖萃曾光明张辰李必胜黄丹莲张明明秦蕾刘希贵易欢黄芳龙周雪融
Owner HUNAN UNIV
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