A long-term air purification material for removing organic pollutants
A technology for organic pollutants and air purification, applied in organic compound/hydride/coordination complex catalysts, physical/chemical process catalysts, gas treatment, etc. Effect
Inactive Publication Date: 2019-07-26
广西海新环保科技有限公司
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Problems solved by technology
[0007] In order to solve the current technical defects of activated carbon and photocatalyst in removing organic pollutants, the present invention provides a long-term air purification material for removing organic pollutants
Method used
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Embodiment 1
[0022] 1) Add 20 grams of acidified or alkalized activated carbon to 150 ml of liquid containing 2g / L dopamine and react for 20 hours to obtain polydopamine-modified activated carbon;
[0023] 2) Put 1 gram of nano-manganese dioxide into 150 milliliters of ethanol / water dispersant (volume ratio 1:9), stir for 30 minutes, then add 500 microliters of orthosilicate (ethyl orthosilicate and two The mass ratio of manganese oxide is 1:10);
[0024] 3) Add 5 milliliters of 10 wt% ammonia water dropwise, adjust the pH to 8.5, filter, and add dropwise 50 milliliters of sodium hydroxide solution with a concentration of 0.1 mol / L under stirring conditions, adjust the pH value to 12, and continue the reaction for 2 hours to obtain A composite particle solution of silica-coated nano-manganese dioxide;
[0025] 4) Add the above-mentioned polydopamine-modified activated carbon to the solution of 3), stir at room temperature for 5 hours, filter, and vacuum-dry at 120 degrees Celsius for 12 h...
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Abstract
The invention relates to an air purification material for long-term removal of organic pollutants. The preparation method includes: adding acidification or alkalization activated carbon into a dopamine solution for reaction to obtain polydopamine modified activated carbon; then adding the polydopamine modified activated carbon into a composite particle solution of silica coated nano-manganese dioxide, conducting room temperature stirring for 5h, then performing filtering and vacuum drying so as to obtain the air purification material for long-term removal of organic pollutants. According to the invention, the activated carbon can be used as an adsorbent and also can be used as a curing carrier of temperature catalyst nano-catalyst, the nano temperature catalyst is firmly loaded on activated carbon through dopamine, and migration and loss of nanoparticles are avoided. The air purification material can achieve the effect under a dark condition, and has the advantages of simple process, long-acting performance, and safe and environment-friendly long-term organic pollutant removal performance.
Description
[0001] Technical field: [0002] The invention belongs to the field of new environmental protection materials, and in particular relates to a long-acting pollutant-removing material for air purification, and its preparation method is based on a biomimetic polymerization chemical reaction method. [0003] technical background: [0004] Organic pollutants are recognized as highly toxic substances, which are highly toxic to the human body. In recent years, the study of indoor air organic pollution caused by room decoration and its harm to human body has become a hot spot of social concern. Organic pollutants are extremely harmful to human health. If the formaldehyde content of the indoor air is greater than 0.1mg / m3, it will cause harm to the respiratory system. High concentrations of organic pollutants are harmful to the nervous system, immune system, and liver. [0005] At present, the treatment methods for indoor organic compound pollution mainly use air purifiers, fresh air s...
Claims
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IPC IPC(8): B01J20/20B01J20/30B01D53/86B01D53/72B01J31/32
CPCB01D53/8668B01D2258/06B01J20/20B01J31/32
Inventor 裴克梅应翌黛
Owner 广西海新环保科技有限公司