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A highly absorbent and environmentally friendly hollow glass desiccant

A high-adsorption and desiccant technology, which is applied in other chemical processes, separation methods, and dispersed particle separation, can solve the problems of weakened drying function, high preparation cost, and poor adsorption, and achieve long-term adsorption performance, excellent adsorption performance, strong adsorption effect

Active Publication Date: 2018-09-14
SUZHOU SHENGPULA NEW MATERIAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing hollow glass desiccants often only have the function of absorbing moisture, do not adsorb organic matter, and have poor adsorption, which is prone to adsorption saturation and weakens the drying function; in addition, the glass desiccant in the prior art is poor in environmental protection, and the preparation high cost

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  • A highly absorbent and environmentally friendly hollow glass desiccant

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Effect test

Embodiment 1

[0019] Embodiment 1: A kind of highly adsorptive environment-friendly hollow glass desiccant, it comprises the raw material of following percentage by weight: attapulgite powder 85%, magnesium perchlorate 5%, quaternary alkyl ammonium-based surfactant 0.2%, sodium aluminate 3.8%, cationic polyacrylamide 6%.

[0020] The preparation method of the described a kind of highly adsorptive environment-friendly hollow glass desiccant comprises the following steps:

[0021] 1) Prepare the raw materials according to the weight percentage;

[0022] 2) Put attapulgite powder, sodium aluminate and magnesium perchlorate in water, fully stir and disperse for 40 minutes;

[0023] 3) passing the mixed solution obtained in step 2 through a 300 mesh sieve, drying the obtained homogeneous mixed slurry and pulverizing the dried solid to 275 mesh;

[0024] 4) Place the powder obtained in step 3 in a mixed solution of sulfuric acid / citric acid, carry out inorganic modification, fully stir the modi...

Embodiment 2

[0028] Embodiment 2: A kind of highly adsorptive environment-friendly hollow glass desiccant, it comprises the raw material of following percentage by weight: attapulgite powder 90%, magnesium perchlorate 2%, quaternary alkyl ammonium-based surfactant 0.2%, sodium aluminate 2%, cationic polyacrylamide 5.8%.

[0029] The preparation method of the described a kind of highly adsorptive environment-friendly hollow glass desiccant comprises the following steps:

[0030] 1) Prepare the raw materials according to the weight percentage;

[0031] 2) Put attapulgite powder, sodium aluminate and magnesium perchlorate in water, fully stir and disperse for 30 minutes;

[0032] 3) passing the mixed solution obtained in step 2 through a 250 mesh sieve, drying the obtained homogeneous mixed slurry and pulverizing the dried solid to 300 mesh;

[0033] 4) Place the powder obtained in step 3 in a sulfuric acid / citric acid mixed solution for inorganic modification, fully stir the modification f...

Embodiment 3

[0037] Embodiment 3: A kind of high adsorption environmental protection hollow glass desiccant, it comprises the raw material of following percentage by weight: attapulgite powder 80%, magnesium perchlorate 5.7%, quaternary alkyl ammonium-based surfactant 0.3%, sodium aluminate 6%, cationic polyacrylamide 8%.

[0038] The preparation method of the described a kind of highly adsorptive environment-friendly hollow glass desiccant comprises the following steps:

[0039] 1) Prepare the raw materials according to the weight percentage;

[0040] 2) Put the attapulgite powder, sodium aluminate and magnesium perchlorate in water, fully stir and disperse for 50 minutes;

[0041] 3) passing the mixed solution obtained in step 2 through a 250-400 mesh sieve, drying the obtained homogeneous mixed slurry and pulverizing the dried solid to 250 mesh;

[0042] 4) Place the powder obtained in step 3 in a sulfuric acid / citric acid mixed solution for inorganic modification, fully stir the modi...

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Abstract

The invention discloses a high-adsorbability environment-friendly hollow glass drying agent. The high-adsorbability environment-friendly hollow glass drying agent is prepared from 80% to 90% of attapulgite powder, 2% to 6% of magnesium perchlorate, 0.2% to 0.3% of quaternary alkyl-ammonium-based surface active agent, 2% to 6% of sodium aluminate and 4% to 8% of cationic polyacrylamide. The invention discloses a preparation method of the high-adsorbability environment-friendly hollow glass drying agent at the same time. The drying agent is a hollow glass drying agent with high adsorbability and an environmental protection property, the adsorption performance is efficient and long, and the environmental protection property is good.

Description

technical field [0001] The invention relates to the field of desiccant materials, in particular to a hollow glass desiccant with high adsorption and environmental protection. Background technique [0002] A desiccant is a material with a high affinity with moisture, which can absorb moisture from other surrounding materials through adsorption to achieve the purpose of drying. The adsorption phenomenon is a phenomenon in which water phase molecules or gas phase molecules gather on the surface of a solid and are combined through intermolecular interactions. Because adsorption is a molecular surface phenomenon, in order to achieve the purpose of adsorption, the solid adsorbent must have a large of the inner surface area. The solid desiccant used in hollow glass is a kind of solid adsorbent, which removes the moisture in the air layer through the physical method of adsorption. [0003] The purpose of using desiccant in the air layer of insulating glass is mainly to absorb the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/28B01D53/02B01J20/12B01J20/32
CPCB01D53/02B01D53/261B01D53/28B01D2253/11B01D2257/7027B01D2257/704B01D2257/80B01J20/12B01J20/3204B01J20/3236
Inventor 费金华
Owner SUZHOU SHENGPULA NEW MATERIAL SCI & TECH
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