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A method for directional production of singlet oxygen by activating persulfate with carbonylated carbon materials

A technology for activating persulfate and carbonylated carbon, which is applied in chemical instruments and methods, oxygen/ozone/oxide/hydroxide, inorganic chemistry, etc., can solve the problems of toxic and harmful substances and unfavorable separation of photosensitizers, and achieve Easy to transport, highly economical, directionally generated effects

Active Publication Date: 2020-12-01
NANCHANG HANGKONG UNIVERSITY
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to solve the technical problem that the photosensitizer used in the current method for generating singlet oxygen is a toxic and harmful substance, which is not conducive to subsequent separation and is accompanied by the generation of other active oxygen species, and provides a carbonylated carbon material activated persulfuric acid A method for directed production of singlet oxygen from salt

Method used

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  • A method for directional production of singlet oxygen by activating persulfate with carbonylated carbon materials
  • A method for directional production of singlet oxygen by activating persulfate with carbonylated carbon materials
  • A method for directional production of singlet oxygen by activating persulfate with carbonylated carbon materials

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specific Embodiment approach 1

[0026] Embodiment 1: This embodiment is a method for directional generation of singlet oxygen by activating persulfate with carbonylated carbon materials, specifically according to the following steps:

[0027] Add the carbonylated carbon material to the sewage to be treated and stir for 5 minutes to 10 minutes, then add the aqueous solution of persulfate to obtain a mixed solution, and continue to stir the mixed solution to generate singlet oxygen to treat the sewage;

[0028] The carbon material in the carbonylated carbon material is an amorphous carbon material, sp 2 Hybrid carbon materials and sp 3 A carbon material composed of one or two hybridization methods in the hybrid carbon material;

[0029] The concentration of the carbonylated carbon material in the mixed solution is 0.01g / L-5g / L;

[0030] The concentration of persulfate in the mixed solution is 0.1mmol / L˜10mmol / L.

specific Embodiment approach 2

[0031] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the amorphous carbon material is activated carbon or mesoporous carbon. Others are the same as the first embodiment.

specific Embodiment approach 3

[0032] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: the sp 2 Hybrid carbon materials are carbon nanotubes, graphene or fullerene. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a method for directional generation of singlet oxygen by activating persulfate with carbonylated carbon materials, which relates to a method for directional generation of singlet oxygen. The invention aims to solve the technical problem that the photosensitizer used in the current method for generating singlet oxygen is a toxic and harmful substance, which is not conducive to subsequent separation and is accompanied by the generation of other active oxygen species. The present invention: add the carbonylated carbon material to the sewage to be treated and stir, then add the aqueous solution of persulfate to obtain a mixed solution, and continue to stir the mixed solution to generate singlet oxygen to treat the sewage; the patent of the present invention is high-efficiency , The directional generation of singlet oxygen provides a new method, and at the same time, the method is safe, economical and environmentally friendly, and can be applied in the fields of biomedicine and water treatment, and its market prospect is broad. The invention is applied in the field of water treatment.

Description

technical field [0001] The invention relates to a method for directional generation of singlet oxygen. Background technique [0002] Singlet oxygen is an important active oxygen molecule. Its molecular orbital has a different electronic arrangement from that of ground-state oxygen molecules, and it is an excited state molecule of oxygen. Due to its high activity, it plays an important role in the fields of physics, chemistry, environment and biomedicine, and has attracted extensive attention from researchers. [0003] At present, the most common method for generating singlet oxygen is photosensitization, that is, the photosensitizer transitions to an excited state under light conditions, and then transfers energy to ground-state oxygen molecules to form singlet oxygen. However, there are still the following problems in this method: 1. The photosensitizers usually used are toxic and harmful substances (such as highly toxic porphyrin photosensitizers), so the application of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/72C01B13/02C01B32/28
CPCC01B13/0211C02F1/72C02F2305/02C02F2305/08
Inventor 邵鹏辉田家宇杨峰余水平徐若祎
Owner NANCHANG HANGKONG UNIVERSITY
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