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Novel nanoscale graphene efficient oil absorption material and preparation method thereof

A technology of oil-absorbing materials and graphene, which is applied in separation methods, chemical instruments and methods, and other chemical processes, can solve the problems of low adsorption capacity of activated carbon, slow adsorption rate of carbon nanotubes, and inability to realize large-scale production. Satisfy the effect of repeated use

Inactive Publication Date: 2020-04-28
南京化学工业园环保产业协同创新有限公司
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  • Description
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AI Technical Summary

Problems solved by technology

[0003] At present, activated carbon and carbon nanotubes are the most conventional materials used at present. Although these materials are stable in nature, large in specific surface area, and have a wide range of pore structure distribution, they are used for wastewater treatment. High, and the adsorption rate of carbon nanotubes is slow, and large-scale production cannot be realized. Therefore, it is necessary to urgently develop a new material such as nano-scale graphene that can be used in large-scale production and has better adsorption properties.

Method used

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Effect test

Embodiment 1

[0015] The invention provides a novel nanoscale graphene high-efficiency oil-absorbing material with the following components and contents: C: 10-13.5wt%, Ag: 1.3-0.5wt%, CuO: 0.1-0.3wt%, SiC: 20-30 wt%, Si: 20-34 wt%, Mn: 1.03-0.14 wt%, Ge: 0.03-0.04 wt%, Pb: 0.003-0.004 wt%, Ge: 100-150ppm, the balance is made of quartz sand and unavoidable Adsorptive miscellaneous material composition.

[0016] The preparation method of described novel nano-scale graphene high-efficiency oil-absorbing material comprises the following steps:

[0017] The first step: first heat the activated carbon in the heating device, then grind it to fine powder, add distilled water to it, and vibrate under the sound wave frequency at a fixed frequency of 50KHz to obtain a carbon turbid liquid. After rapid centrifugation for 15 minutes, the clear liquid was taken, and finally a homogeneous and stable activated carbonene solution was prepared.

[0018] Step 2: Then put the carbon powder in another crucib...

Embodiment 2

[0023] The invention provides a novel nanoscale graphene high-efficiency oil-absorbing material with the following components and contents: C: 10-13.5wt%, Ag: 1.3-0.5wt%, CuO: 0.1-0.3wt%, SiC: 20-30 wt%, Si: 20-34 wt%, Mn: 1.03-0.14 wt%, Ge: 0.03-0.04 wt%, Pb: 0.003-0.004 wt%, Ge: 100-150ppm, the balance is made of quartz sand and unavoidable Adsorptive miscellaneous material composition.

[0024] The preparation method of described novel nano-scale graphene high-efficiency oil-absorbing material comprises the following steps:

[0025] The first step: first heat the activated carbon in the heating device, then grind it to fine powder, add distilled water to it, and oscillate under the sound wave frequency at a fixed frequency of 30KHz to obtain a carbon turbid liquid, and the carbon turbid liquid with After rapid centrifugation for 20 minutes, the clear solution was taken, and finally a homogeneous and stable activated carbonene solution was prepared.

[0026] Step 2: Then p...

Embodiment 3

[0031] The invention provides a novel nanoscale graphene high-efficiency oil-absorbing material with the following components and contents: C: 10-13.5wt%, Ag: 1.3-0.5wt%, CuO: 0.1-0.3wt%, SiC: 20-30 wt%, Si: 20-34 wt%, Mn: 1.03-0.14 wt%, Ge: 0.03-0.04 wt%, Pb: 0.003-0.004 wt%, Ge: 100-150ppm, the balance is made of quartz sand and unavoidable Adsorptive miscellaneous material composition.

[0032] The preparation method of described novel nano-scale graphene high-efficiency oil-absorbing material comprises the following steps:

[0033] The first step: first heat the activated carbon in the heating device, then grind it to fine powder, add distilled water to it, and oscillate under the sound wave frequency at a fixed frequency of 60KHz to obtain a carbon turbid liquid, and the carbon turbid liquid with After rapid centrifugation for 30 minutes, the clear solution was taken, and finally a homogeneous and stable activated carbonene solution was prepared.

[0034] Step 2: Then p...

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Abstract

The invention discloses a novel nanoscale graphene efficient oil absorption material and a preparation method thereof. The developed novel nanoscale graphene efficient oil absorption material comprises the following components: 10-13.5 wt% of C, 1.3-0.5 wt% of Ag, 0.1-0.3 wt% of CuO, 20-30 wt% of SiC, 20-34 wt% of Si, and the balance of quartz sand and unavoidable adsorbable impurities, wherein the sound wave oscillation frequency is 30 to 60 KHz, and the heat preservation time is 3-6 h. According to the invention, the novel nanoscale graphene efficient oil absorption material is prepared by mainly adjusting the ratio of the C element to the SiC element and matching with a plurality of rare elements, can well meet the requirements of the environments of a certain area polluted by crude oil, heavy oil and the like, is not high in process requirement, does not generate by-products in a processing process, and can well meet the environment protection and the adsorption treatment processing process.

Description

technical field [0001] The invention relates to a novel nano-scale graphene high-efficiency oil-absorbing material, in particular to a novel nano-scale graphene high-efficiency oil-absorbing material and a preparation method thereof. Background technique [0002] Due to the leakage of world crude oil and the pollution of industrial organic solvents, the global water pollution problem is becoming more and more serious. According to statistics, nearly 10 million tons of oil enters the water body through various channels every day in the world and pollutes the water body environment. The discharge of this oil pollution has caused fatal damage to rivers, oceans and the ecological environment. Therefore, the research and development of effective oil recovery technology and oily wastewater purification materials have attracted much attention. [0003] At present, activated carbon and carbon nanotubes are the most conventional materials used at present. Although these materials a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/30C02F1/28C02F1/40
CPCB01J20/20B01J20/30C02F1/281C02F1/283C02F1/40
Inventor 王雷
Owner 南京化学工业园环保产业协同创新有限公司
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