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Novel visible color-changing air purification material and preparation method thereof

An air purification material and a new type of technology, applied in chemical instruments and methods, separation methods, gas treatment, etc., to achieve the effects of low manufacturing cost, simple preparation process, and large processing capacity

Inactive Publication Date: 2018-11-30
郑州三希新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the research on the performance of L zeolite molecular sieves in other catalytic reactions has been relatively blank.

Method used

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  • Novel visible color-changing air purification material and preparation method thereof

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Effect test

Embodiment 1

[0031] A novel visually variable air purification material, comprising L zeolite molecular sieve and copper element accounting for 1%-5% of the L zeolite molecular sieve mass fraction, the copper element is represented by Cu 2+form dispersed on the active sites of the L zeolite molecular sieve.

[0032] The preparation method of the above-mentioned novel visible discoloration air purification material comprises the following steps:

[0033] (1) According to the molar ratio K 2 O: Na 2 O: Al 2 o 3 : SiO 2 :H 2 The ratio of O=(3-10): (0.5-10):1: (15-50): (300-800) Stir the reaction raw materials vigorously to form a uniform emulsion;

[0034] (2) After the emulsion obtained in the step (1) was left to stand at room temperature for 6-48 hours, it was transferred to a stainless steel reaction kettle lined with polytetrafluoroethylene, and placed in an oven at 150-220°C Crystallization for 12-48 hours;

[0035] (3) After the reaction, the product is separated, washed and dr...

Embodiment 2

[0042] A novel visually variable air purification material, comprising L zeolite molecular sieve and copper element accounting for 2%-4% of the L zeolite molecular sieve mass fraction, the copper element is represented by Cu 2+ form dispersed on the active sites of the L zeolite molecular sieve.

[0043] The preparation method of the above-mentioned novel visible discoloration air purification material comprises the following steps:

[0044] (1) According to the molar ratio K 2 O: Na 2 O: Al 2 o 3 : SiO 2 :H 2 The ratio of O=(5-8): (4-6):1: (25-40): (400-700) Stir the reaction raw materials vigorously to form a uniform emulsion;

[0045] (2) After the emulsion obtained in the step (1) was left to stand at room temperature for 20-34 hours, it was transferred to a stainless steel reaction kettle lined with polytetrafluoroethylene, and placed in an oven at 170-200°C Crystallization for 20-40 hours;

[0046] (3) After the reaction, the product is separated, washed and drie...

Embodiment 3

[0053] A novel visible color-changing air purification material, which comprises L zeolite molecular sieve and copper element accounting for 3% of the mass fraction of said L zeolite molecular sieve, said copper element is represented by Cu 2+ form dispersed on the active sites of the L zeolite molecular sieve.

[0054] The preparation method of the above-mentioned novel visible discoloration air purification material comprises the following steps:

[0055] (1) According to the molar ratio K 2 O: Na 2 O: Al 2 o 3 : SiO 2 :H 2 O=6.5: 5.5:1: 32.5: 550 The ratio of the reaction raw materials is vigorously stirred to form a uniform emulsion;

[0056] (2) After the emulsion obtained in the step (1) was left to stand at room temperature for 27 hours, it was transferred to a stainless steel reaction kettle with a polytetrafluoroethylene liner, and crystallized in an oven at 185°C for 30 hours ;

[0057] (3) After the reaction, the product is separated, washed and dried, then ...

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Abstract

The invention provides a novel visible color-changing air purification material, which is prepared from L zeolite molecular sieve and copper element, wherein the adding amount of the copper element accounts for 1-5% of the mass of the L zeolite molecular sieve; the copper element is dispersed on active sites of the L zeolite molecular sieve in a form of Cu<2+>. The air purification material provided by the invention can effectively degrade harmful gases in the air by means of catalytic oxidation, has high treatment efficiency and large treatment capacity, is free from secondary pollution, doesnot have the problems of absorption saturation and the like, can be used for removing pollutants in the air in closed systems such as the interior of a vehicle or a room, and is low in manufacturingcost and simple in preparation process, thus being suitable for industrial scale-up production; the novel visible color-changing air purification material also has an obvious visual color-changing function; the color of the material can be changed obviously when the purification function of the material fails, so that a user is prompted to replace a new material in time.

Description

technical field [0001] The invention relates to the technical field of a catalyst for removing indoor air pollutants, in particular to a novel visibly discolored air purification material and a preparation method thereof. Background technique [0002] People spend more than 80% of their time indoors on average every day, so the impact of indoor air quality on human health is particularly important. Although concentrations of indoor air pollutants tend to be low, cumulative exposures are high due to prolonged exposure. Especially the elderly, young, sick, disabled and other frail people have lower body resistance and fewer opportunities for outdoor activities. Therefore, the relationship between indoor air quality and them is particularly important. [0003] Indoor air pollutants are the main cause of indoor air quality problems, and their main sources are building materials and decoration materials, fuel combustion, cooking, smoking, household chemicals, etc. The main poll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J29/63B01D53/86B01D53/72B01D53/44
CPCB01D53/86B01D53/8668B01D53/8678B01D2257/7027B01D2257/704B01D2257/708B01D2258/06B01J29/63B01J2229/183
Inventor 王柯邢培智
Owner 郑州三希新材料科技有限公司
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