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Hydrophilic and hydrophobic modified fiber ball filter material for sewage treatment, and preparation method of filter material

A modified fiber, hydrophilic and oleophobic technology, applied in separation methods, chemical instruments and methods, filtration separation, etc., can solve the problems of economic loss, difficult to wash, limit the recycling and use of fiber ball filter materials, etc., and achieve excellent lubricity , easy production, good compatibility effect

Inactive Publication Date: 2019-01-18
CHENDU NEW KELI CHEM SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Although the surface of ordinary fiber filter material is easy to absorb oil and has good oil removal ability, due to the strong lipophilicity of the surface of fiber ball filter material, the oil and filter material will bond after adsorption treatment, making it difficult to wash, which limits the use of fiber ball filter material. The recycling of materials has caused huge economic losses

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A kind of preparation method of hydrophilic and oleophobic modified fiber ball filter material for sewage treatment

[0043] Proceed as follows:

[0044] a. Take the fiber ball, immerse the fiber ball in the acetic acid solution with a mass concentration of 25%, and heat the fiber ball and the acetic acid solution with a mass concentration of 25% for 1 hour. During the heat treatment, cover the reaction vessel. layer film; wherein, the temperature of heat treatment used in this step is 70 ℃;

[0045] b. Preparation of modifier solution: mix polyvinyl alcohol, methacrylic acid, sodium perfluorocarboxylate, polydimethyldiallyl ammonium chloride, polyhydroxy fatty acid amide, polyethylene glycol, and deionized water by mass Mix well at a ratio of 1:1:0.5:3:1:1:5 and configure it into a modifier solution.

[0046] c. After washing the treated fiber ball with water, put it into the modifier solution for heating and dipping for 2 hours; the heating temperature is 50°C.

[...

Embodiment 2

[0049] A kind of preparation method of hydrophilic and oleophobic modified fiber ball filter material for sewage treatment

[0050] Proceed as follows:

[0051] a. Take the fiber ball, immerse the fiber ball in the acetic acid solution with a mass concentration of 25%, and heat the fiber ball and the acetic acid solution with a mass concentration of 25% for 1 hour. During the heat treatment, cover the reaction vessel. layer film; wherein, the temperature of heat treatment used in this step is 70 ℃;

[0052] b. Preparation of modifier solution: mix polyvinyl alcohol, methacrylic acid, sodium perfluorocarboxylate, polydimethyldiallyl ammonium chloride, polyhydroxy fatty acid amide, polyethylene glycol, and deionized water by mass Mix well at a ratio of 1:2:0.5:3:1:1:5 and configure it into a modifier solution.

[0053] c. After washing the treated fiber ball with water, put it into the modifier solution for heating and dipping for 2 hours; the heating temperature is 50°C.

[...

Embodiment 3

[0056] A kind of preparation method of hydrophilic and oleophobic modified fiber ball filter material for sewage treatment

[0057] Proceed as follows:

[0058] a. Take the fiber ball, immerse the fiber ball in the acetic acid solution with a mass concentration of 25%, and heat the fiber ball and the acetic acid solution with a mass concentration of 25% for 1 hour. During the heat treatment, cover the reaction vessel. layer film; wherein, the temperature of heat treatment used in this step is 70 ℃;

[0059] b. Preparation of modifier solution: mix polyvinyl alcohol, methacrylic acid, sodium perfluorocarboxylate, polydimethyldiallyl ammonium chloride, polyhydroxy fatty acid amide, polyethylene glycol, and deionized water by mass Mix well at a ratio of 1:1:0.5:8:1:1:5 and configure it into a modifier solution.

[0060] c. After washing the treated fiber ball with water, put it into the modifier solution for heating and dipping for 2 hours; the heating temperature is 50°C.

[...

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Abstract

The invention relates to a hydrophilic and hydrophobic modified fiber ball filter material for sewage treatment, belonging to the field of sewage treatment. A preparation method of the hydrophilic andhydrophobic modified fiber ball filter material for the sewage treatment comprises the following steps: dipping fiber balls in an acetic acid solution with a mass concentration of 25%, and carrying out heat treatment for 1-2 hours; then, washing the treated fiber balls with water, putting into a modifier solution, and dipping for 2-10h under the condition of heating; taking out the modified fiberballs, and carrying out heat treatment on the modified fiber balls for 0.5-1 hour at 100-200 DEG C to obtain the hydrophilic and hydrophobic fiber ball filter material, wherein the modifier solutionis prepared from polyvinyl alcohol, methacrylic acid, sodium perfluorocarboxylate, polydimethyldiallyl ammonium chloride, polyhydroxy fatty acid amide, polyethylene glycol and deionized water. The hydrophilic and hydrophobic modified fiber ball filter material prepared by the method has good oil removing ability and is easy to clean, so that the recycling of the fiber ball filter material is promoted.

Description

technical field [0001] The invention relates to a hydrophilic and oleophobic modified fiber ball filter material for sewage treatment, which belongs to the field of sewage treatment. Background technique [0002] Oily sewage has the characteristics of large water volume, complex water quality and wide range of pollution, making its treatment a very difficult problem. During the production process, the oily wastewater will settle together with the suspended particles and iron scale in the wastewater in the process facilities and pipeline equipment, forming a relatively viscous oil sludge mass, which will block the pipeline and equipment and affect the normal production. As far as the environment is concerned, the pollution of oily sewage will cause large-scale death of aquatic organisms, seriously affect the water resource environment, and even threaten human health. Oily sewage purification technologies include physical, chemical and biological methods. The chemical method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D39/16C02F1/40
CPCB01D39/16B01D39/1623C02F1/40
Inventor 陈庆何方
Owner CHENDU NEW KELI CHEM SCI CO LTD
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