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Foamed glass material for purifying water, and preparation method thereof

A technology for foaming glass and purifying water, which is applied in glass manufacturing equipment, chemical instruments and methods, and glass molding, etc. It can solve the problems of economic constraints and high cost of activated carbon, and achieve high performance and good chemical stability.

Inactive Publication Date: 2019-04-19
深圳市优力凯环保生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] For river and lake water, farm water, landscape water, etc., which cannot be transported to sewage treatment plants, the common treatment method for this type of water is physical adsorption, which absorbs and degrades pollutants in the water body by adding filter materials, thereby purifying the water quality. Commonly used filtration The material has activated carbon, but the cost of activated carbon is relatively high, and the economy of activated carbon regeneration method has become the main bottleneck restricting the wide application of activated carbon in wastewater treatment.

Method used

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  • Foamed glass material for purifying water, and preparation method thereof
  • Foamed glass material for purifying water, and preparation method thereof
  • Foamed glass material for purifying water, and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0045] S1, 8.4 kg of glass powder with a particle size of 500 μm, 0.042 kg of activated carbon with a particle size of 400 μm, 0.033 kg of shell powder with a particle size of 2 to 4 mm, and 0.05 kg of shell powder with a particle size of less than 1 mm were mixed and stirred to prepare a foaming mixture.

[0046] S2, spread the foam mixture prepared above in a heating furnace with a height of 20 mm, and the foam mixture goes through three stages of preheating, foaming and sintering in the heating furnace, and then naturally cools to normal temperature after taking it out from the heating furnace to obtain Foamed microporous sillicite for water purification; the preheating temperature is 830°C, the preheating time is 15 minutes; the foaming temperature is 920°C, the foaming time is 10 minutes, the sintering temperature is 850°C, and the sintering time is 10 minutes minute.

[0047]S3, taking the sintered and foamed heating material out of the heating furnace and then cooling i...

Embodiment 2

[0049] S1, mixing and stirring 9.5 kg of glass powder with a particle size of 900 μm, 0.047 kg of activated carbon with a particle size of 300 μm, 0.038 kg of shell powder with a particle size of 2 to 4 mm, and 0.057 kg of shell powder with a particle size of less than 1 mm to prepare a foaming mixture;

[0050] S2, spread the foam mixture prepared above in a heating furnace with a height of 20 mm, and the foam mixture goes through three stages of preheating, foaming and sintering in the heating furnace, and then it is taken out from the heating furnace and naturally cooled to normal temperature to obtain Foamed microporous silica pumice for water purification; the preheating temperature is 880°C and the preheating time is 30 minutes; the foaming temperature is 950°C and the foaming time is 20 minutes; the sintering temperature is 900°C and the sintering time is 15 minutes .

[0051] S3, take the sintered and foamed heating material out of the heating furnace and cool it down ...

Embodiment 3

[0053] This embodiment combines the attached figure 1 , 2 The preparation method and the principle of water purification of the present invention are described.

[0054] Such as figure 1 Shown, preparation method of the present invention comprises:

[0055] Select a discarded glass bottle, rinse it clean and do:

[0056] Step 1: crushing to obtain crushed glass;

[0057] Step 2: crushing, further crushing the crushed glass to obtain glass powder, the particle size of the glass powder should be below 1mm.

[0058] Step 3: Mix glass powder, shell powder with a particle size of 2-4 mm, shell powder with a particle size of less than 1 mm, and activated carbon with a particle size of less than 500 μm according to the formula ratio.

[0059] Process 4: After three stages of preheating, foaming and sintering, it is taken out from the heating furnace and then cooled naturally to room temperature to obtain a water-purified foamed glass material: foamed microporous silica pumice. ...

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Abstract

The invention discloses a foamed glass material for purifying water, and a preparation method thereof. Waste glass bottles undergo a series of treatments through special techniques to form the foamedglass material for purifying water, that is foamed micro-porous silicon pumice with an aperture of 1-4 mm, a water absorption rate of 5-10%, a stress of 1200-3000 N and a specific gravity of 0.5-0.8 g / ml. A foaming mixture is calcined at a high temperature to prepare the foamed glass material, and the foaming mixture includes 90-93 wt% of glass powder, 0.4 wt% of seashell powder having a particlesize of 2-4 mm, 0.6 wt% of seashell powder having a particle size of 1 mm or less and 0.2-1.0 wt% of activated carbon. The foamed microporous silicon pumice has the advantages of durability, high performances, non-toxicity, harmlessness, non-radioactivity, good chemical stability, good corrosion resistance, good weather resistance, insolubility and non-degradability, and the ammonia nitrogen, biochemical oxygen demand, chemical oxygen demand and other indicators of sewage treated with the foamed glass material are significantly reduced.

Description

technical field [0001] The invention relates to the technical field of foamed glass materials, in particular to a water-purifying foamed glass material and a preparation method thereof. Background technique [0002] my country is a country with severe drought and water shortage. Although my country has a large amount of water resources, due to the large population, the per capita water consumption is low, and the water resources that can be used as drinking water are limited; while industrial wastewater, domestic sewage and other wastes enter rivers, lakes, seas and other water bodies, exceeding the self-purification of water bodies Pollution caused by water pollution will lead to changes in the physical, chemical, and biological characteristics of water bodies, thereby affecting the use value of water, endangering human health or destroying the ecological environment, and causing deterioration of water quality. Due to various reasons, the water of rivers, lakes and farms in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C11/00C03C14/00C03B19/08C02F3/00
CPCC02F3/00C02F2003/001C03B19/08C03C11/007C03C14/004
Inventor 李少锋末吉俊治竹内義章马场贵志佐藤重臣
Owner 深圳市优力凯环保生物技术有限公司
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