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A kind of filter material for indoor air purifier

An indoor air and purifier technology, applied in the field of air purification, can solve the problems of small adsorption capacity, limited formaldehyde adsorption effect, easy desorption, etc., and achieve the effects of high-efficiency adsorption, green adsorption, and good mechanical strength

Inactive Publication Date: 2015-11-18
SUZHOU JIEBAO MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Activated carbon is the most commonly used adsorbent, which has a certain adsorption effect on various indoor harmful gases, but it has the disadvantages of small adsorption capacity, easy saturation, easy desorption, etc., and has limited adsorption effect on formaldehyde, the main indoor pollutant.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] 10g of graphene oxide, 10g of chitosan with a deacetylation degree of 70% and a molecular weight of 50,000, 5g of wool keratin with a molecular weight of 40,000, 2g of calcium alginate, 3g of glyoxal, and 70g of deionized water were mixed and ultrasonically treated for 10 hours. Under the temperature condition of -50°C, the temperature is raised to room temperature at a rate of 2°C / min, then dried for 10 hours, ground and passed through a 1000-mesh sieve.

Embodiment 2

[0013] Mix 8g of graphene oxide, 7g of chitosan with a deacetylation degree of 70% and a molecular weight of 80,000, 5g of wool keratin with a molecular weight of 45,000, 3g of calcium alginate, 4g of glutaraldehyde, and 73g of deionized water. Under the temperature condition of -40°C, the temperature is raised to room temperature at a speed of 1.5°C / min, then dried for 20 hours, ground and passed through a 1500-mesh sieve.

Embodiment 3

[0015] Mix 9g of graphene oxide, 7g of chitosan with a deacetylation degree of 70% and a molecular weight of 100,000, 4g of wool keratin with a molecular weight of 50,000, 5g of calcium alginate, 1g of ethylene glycol diglycidyl ether, and 74g of deionized water. Treat for 10 hours, heat up to room temperature at a rate of 1.5°C / min at -40°C, then dry for 30h, grind and pass through a 2000-mesh sieve.

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PUM

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Abstract

The invention discloses a filter material for an indoor air purifier. The filter material for the indoor air purifier is prepared through the steps of mixing 5-10 parts of graphene oxide, 5-10 parts of chitosan, 1-5 parts of wool keratin, 1-5 parts of calcium alginate, 1-5 parts of a crosslinking agent and 60-80 parts of deionized water, performing ultrasonic treatment, freeze-drying, grinding, and screening with a 1000-2000-mesh sieve. The filter material for the indoor air purifier uses reproducible, cheap and easily-obtained raw materials; the prepared filter material has a three-dimensional porous structure and is good in mechanical strength, reproducible, easily-degradable, green, environment-friendly, and highly-efficient in adsorption.

Description

technical field [0001] The invention relates to a filter material for an indoor air purifier, belonging to the field of air purification. Background technique [0002] With the rapid development of my country's economy and society, the continuous growth of population, and the acceleration of industrialization and urbanization, air pollution has gradually increased, especially the particulate matter in the air, which has brought serious damage to people's health. In the United States, the number of deaths due to particulate matter pollution is about 22,000-52,000 people per year (data in 2000), and this figure is as high as 200,000 in Europe. Academician Chen Zhu of the Chinese Academy of Sciences and other researchers published an article in the "Lancet" magazine, estimating that the number of early deaths caused by outdoor air pollution in China is between 350,000 and 500,000 people every year. [0003] People spend more than 80% of their life indoors, so the quality of in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/24
Inventor 朱顺华
Owner SUZHOU JIEBAO MACHINERY
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