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Copper-based three-dimensional graphene material and method using copper-based three-dimensional graphene material to treat unsymmetrical dimethylhydrazine wastewater

A graphene and three-dimensional technology, which is applied in the field of copper-based three-dimensional graphene materials and its use in the treatment of unsymmetrical dimethylhydrazine wastewater, can solve environmental pollution and other problems, and achieve the effect of eliminating pollution and large adsorption capacity

Inactive Publication Date: 2017-09-01
廖航
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0010] The purpose of the present invention is to provide a copper-based three-dimensional graphene material and a method for treating unsymmetrical dimethylhydrazine wastewater by using it, so as to solve the problem of environmental pollution caused in the treatment of unsymmetrical dimethylhydrazine wastewater

Method used

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  • Copper-based three-dimensional graphene material and method using copper-based three-dimensional graphene material to treat unsymmetrical dimethylhydrazine wastewater
  • Copper-based three-dimensional graphene material and method using copper-based three-dimensional graphene material to treat unsymmetrical dimethylhydrazine wastewater
  • Copper-based three-dimensional graphene material and method using copper-based three-dimensional graphene material to treat unsymmetrical dimethylhydrazine wastewater

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Embodiment Construction

[0040] like Figure 1-6 As shown, the preparation of the copper-based three-dimensional graphene provided by the embodiment of the present invention includes:

[0041] (1) Preparation of graphene oxide

[0042] Take 3 g of graphite powder and 18 g of potassium permanganate, add them to the mixed solution of 360 mL of concentrated sulfuric acid and 40 mL of concentrated phosphoric acid, control the temperature of the system in an ice bath to 20°C, and stir evenly.

[0043] Oil bath reaction for 24h, 50 ℃, after stopping the oil bath reaction, naturally cooled to room temperature;

[0044] Pour the product into ice cubes and an appropriate amount of 30% H in advance 2 O 2 In the beaker of the 2 O 2 12mL, let stand for 12h;

[0045] Pour off the supernatant from the standing reaction solution, add 200 mL of concentrated HCl, and after ultrasonication for 2 hours, centrifuge for 4000r / 15min to remove the supernatant, wash out the lower precipitate with deionized water, ultra...

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Abstract

The invention provides a copper-based three-dimensional graphene material and a method using copper-based three-dimensional graphene material to treat unsymmetrical dimethylhydrazine wastewater, which solves the problem of pollution to environment due to unsymmetrical dimethylhydrazine wastewater. The copper-based three-dimensional graphene material is prepared by the following steps of preparing raw liquid of graphene oxide; adding copper salt into the raw liquid of graphene oxide, and mixing; performing ultrasonic treatment on the mixed liquid; heating the mixed liquid at constant temperature; dewatering, so as to form the copper-based three-dimensional graphene material. The copper-based three-dimensional graphene material has the advantages that when the copper-based three-dimensional graphene material is used for treating the unsymmetrical dimethylhydrazine wastewater, the large adsorbing amount is realized by the internal hydrophobic environment in the three-dimensional graphene and the huge specific surface area; more importantly, the copper-based three-dimensional graphene material is compounded with metal ions, so that the synergistic action is realized; in the adsorbing process, the unsymmetrical dimethylhydrazine is catalyzed and decomposed under the light radiation condition, so as to reach the purpose of thoroughly eliminating pollution.

Description

technical field [0001] The invention relates to the field of waste water treatment, in particular to a copper-based three-dimensional graphene material and a method for using the same to treat unsymmetrical dimethyl hydrazine waste water. Background technique [0002] Unsymmetrical dimethyl hydrazine is a colorless, flammable, volatile, explosive, and toxic liquid, which belongs to the third-level medium toxicity. As a fuel for liquid rocket engines, UDMH is widely used in the launch tests of spacecraft such as satellites and spacecraft. Although the choice of rocket propellants in the future will develop towards a more environmentally friendly trend (such as liquid hydrogen and kerosene), due to immature technology, Unsymmetrical dimethyl hydrazine / nitrous tetroxide will still perform launch missions for quite some time. In the process of spacecraft launch, engine test run, tank car, storage tank cleaning, etc., a large amount of unsymmetrical dimethyl hydrazine wastewater...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/28B01J20/30C02F1/28C02F1/30C02F1/32C02F1/72B01J21/18B01J23/72C02F101/38
CPCB01J20/20C02F1/283C02F1/30C02F1/32C02F1/725B01J20/28014B01J21/18B01J23/72C02F2101/38C02F2305/10B01J35/39Y02W10/37
Inventor 廖航
Owner 廖航
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