Renewable porous carbon adsorbent for toluene adsorption and preparation method thereof

A porous carbon and adsorbent technology, applied in the field of renewable porous carbon adsorbent and its preparation, can solve the problems of insufficient combustion, environmental pollution, affecting product quality, etc., and achieve environmental protection, high adsorption efficiency, and resource utilization. The effect of using

Pending Publication Date: 2022-03-25
CHONGQING BEYOND OCEAN CARBON MFR +1
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Problems solved by technology

If these carbon blacks are directly burned, they will cause incomplete combustion because of their rich moisture (water content is more than 95%); if they are used in rubber, p

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  • Renewable porous carbon adsorbent for toluene adsorption and preparation method thereof
  • Renewable porous carbon adsorbent for toluene adsorption and preparation method thereof
  • Renewable porous carbon adsorbent for toluene adsorption and preparation method thereof

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[0024] Example

[0025] A renewable porous carbon adsorbent for toluene adsorbent, the feedstock is made of carbon black, binder, and is carried out under the action of the aperture agent.

[0026] The carbon black, the binder is 95: 5, and the binder is a flour paste.

[0027] The pore agent is (NH) 4 ) 2 CO 3 Aqueous solution, said (NH 4 ) 2 CO 3 The amount of addition is 20% of carbon black and the total mass of the binder.

[0028] At the same time, the present invention also discloses a method for preparing a renewable porous carbon adsorbent for toluene adsorbent, including the following steps:

[0029] S1: Preparation of the precursor: Black carbon black grinding and dried in an oven at 70 ° C, and 0.05 g of the flour is placed in a crucible containing 0.1 ml of deionized water, and 0.95 g of carbon black powder, stirred after stirring Add (NH) 4 ) 2 CO 3 Aqueous solution (NH 4 ) 2 CO 3 The mass is 0.2g, thoroughly mixed, and the precursor is obtained;

[0030] S2: Dry: Pla...

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Abstract

The invention discloses a renewable porous carbon adsorbent for toluene adsorption and a preparation method thereof. The renewable porous carbon adsorbent is prepared by roasting the following raw materials: carbon black and a binder under the action of a pore-forming agent. The porous carbon adsorbent PCBA with excellent toluene adsorption performance is successfully prepared by adhering the carbon-rich raw material carbon black through a binder and taking (NH4) 2CO3 as a pore-forming agent under high-temperature roasting, and the PCBA prepared by the method has a developed micro/mesoporous structure, so that more adsorption sites can be provided for toluene molecules, the adsorption efficiency is higher, and the prepared PCBA has a good application prospect. Resource utilization of the waste carbon black is achieved, application possibility is provided for VOCs adsorption of the waste carbon black, and resource utilization of carbon black resources and environmental protection are achieved.

Description

technical field [0001] The invention belongs to the technical field of adsorbents, and in particular relates to a renewable porous carbon adsorbent used for toluene adsorption and a preparation method thereof. Background technique [0002] Volatile organic compounds (VOCs) are common air pollutants emitted in the petrochemical and chemical industries. Common VOCs mainly include: benzene series, aromatic hydrocarbons, aldehydes, ketones, and alkane compounds. These VOCs not only endanger the environment, such as water pollution, ozone depletion, and smog formation, but also pose a threat to human and animal health, causing acute or chronic poisoning of the nervous system, blood system, and immune system. High cancer risk. At present, the treatment technologies for VOCs mainly include adsorption, absorption, condensation, catalytic oxidation and photocatalysis, etc. Among them, the adsorption method is widely used because of its advantages of low treatment cost, simple proces...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/30B01D53/02
CPCB01J20/20B01D53/02B01J2220/4806B01D2257/7027B01D2253/102Y02A50/20
Inventor 刘必衍陈轶贤周桂林谢红梅王卓然淦作祥
Owner CHONGQING BEYOND OCEAN CARBON MFR
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