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A powder material with hydrophilic and oleophobic properties

A powder material, hydrophilic and oleophobic technology, which is applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of high manufacturing cost and large organic waste gas treatment capacity, and achieve low production cost and large processing capacity , the effect of a wide range of raw material sources

Active Publication Date: 2020-08-14
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problem of high manufacturing cost caused by artificial synthesis in existing filter materials for treating organic waste gas, the purpose of the present invention is to provide a powder material with hydrophilic and oleophobic properties, which has a wide range of raw material sources, low manufacturing cost, and good Hydrophilic and oleophobic properties, can intercept organic waste gas to prevent harm to the human body, high strength, corrosion resistance and aging, small particle size, uniform particle size distribution, large processing capacity for organic waste gas

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A powder material with hydrophilic and oleophobic properties is prepared by using shell powder as a carrier and loading hydrophilic seaweed active substances.

[0019] Among them, the shell powder is preferably prepared through the following process: the shells are washed with water, soaked in acid solution for 4 hours, soaked in alkali solution for 4 hours, washed and dried after being taken out, crushed in a pulverizer, and passed through a 200-mesh sieve. The shell powder is obtained by sieving, the shell is preferably mussel shell, the acid solution used can be phosphoric acid solution, nitric acid solution, sulfuric acid solution or hydrochloric acid solution, and the lye solution used can be sodium hydroxide solution or potassium hydroxide solution.

[0020] The hydrophilic seaweed active substance is preferably sodium alginate, and its preparation method is as follows:

[0021] (1) Soak and clean the seaweed to remove surface impurities, fucoidan, inorganic salts...

Embodiment 2

[0024] A powder material with hydrophilic and oleophobic properties is prepared by using shell powder as a carrier and loading hydrophilic seaweed active substances.

[0025] Among them, the shell powder is preferably prepared through the following process: the shells are washed with water, soaked in acid solution for 7 hours, soaked in lye for 7 hours, taken out, washed and dried, crushed in a crusher, and then sieved through a 400-mesh sieve. Shell powder is obtained, and the shell is preferably mussel shell, the acid solution used may be phosphoric acid solution, nitric acid solution, sulfuric acid solution or hydrochloric acid solution, and the lye solution used may be sodium hydroxide solution or potassium hydroxide solution.

[0026] The hydrophilic seaweed active substance is preferably sodium alginate, and its preparation method is as follows:

[0027] (1) Soak and clean the seaweed to remove surface impurities, fucoidan, inorganic salts and other water-soluble compone...

Embodiment 3

[0030] A powder material with hydrophilic and oleophobic properties is prepared by using shell powder as a carrier and loading hydrophilic seaweed active substances.

[0031]Among them, the shell powder is preferably prepared through the following process: the shells are washed with water, soaked in acid solution for 10 hours, soaked in lye for 10 hours, taken out, washed and dried, and then sieved through a 600-mesh sieve after being aggregated and broken by the crusher. Shell powder is obtained, and the shell is preferably mussel shell, the acid solution used may be phosphoric acid solution, nitric acid solution, sulfuric acid solution or hydrochloric acid solution, and the lye solution used may be sodium hydroxide solution or potassium hydroxide solution.

[0032] The hydrophilic seaweed active substance is preferably sodium alginate, and its preparation method is as follows:

[0033] (1) Soak and clean the seaweed to remove surface impurities, fucoidan, inorganic salts and...

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Abstract

The invention belongs to the technical field of an oil-water separation medium, and concretely discloses a powder material with hydrophilic and oleophobic properties. The powder material is prepared from shell powder as a carrier to be loaded with hydrophilic alga active substances; the alga active substances are sodium alginate or sodium alginate hydrolysate. The sodium alginate hydrolysate is hydrolyzed by sulfuric acid and is subjected to suction filtration after the pH value is regulated to the neutral state. The preparation method of the powder material comprises the following steps of adding the shell powder into a water solution of the alga active substances; performing uniform stirring and still standing; performing centrifugal separation; then, performing suction filtration; drying precipitates for 24h at 60 to 70 DEG C to prepare the powder material with hydrophilic and oleophobic properties. The powder material has the advantages that the raw material resources are wide; the manufacturing cost is low; the process is simple; the particle diameter of the powder material is small; the granularity is uniform; the intensity is high; the corrosion aging resistance is realized; good hydrophilic and oleophobic properties are realized; the powder material is suitable for being added into protection masks or protection garments; the harm of organic waste gas on a human body can be avoided.

Description

technical field [0001] The invention belongs to the technical field of oil-water separation media, and in particular relates to a powder material with hydrophilic and oleophobic properties. Background technique [0002] In recent years, with the prosperity and development of modern industry, the discharge of organic waste gas produced by petroleum, printing and dyeing, chemical industry and human daily life has increased rapidly, and substances harmful to human body such as oil gas and p-xylene have entered people's life without reasonable treatment. Causes irreversible damage to human health through skin contact or inhalation through the respiratory system, especially for oil field workers or those working at gas stations. At present, there are a variety of hydrophilic and oleophobic materials on the market, but most of the filter materials are obtained through artificial synthesis, resulting in high manufacturing costs, such as organic filter materials based on organic pol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/00C08B37/04
CPCB01D53/00C08B37/0003C08B37/0084
Inventor 宋文东魏丹艺应知伟蔡璐郭健纪丽丽王亚宁
Owner ZHEJIANG OCEAN UNIV