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Oil-water separation foam and preparation method thereof

A technology of oil-water separation and foam, which is applied in the field of foam materials, can solve the problems that oil-water separation materials cannot meet the high requirements of seawater treatment, and achieve the effects of easy cleaning and reuse, good separation effect, and improved acid and alkali resistance

Inactive Publication Date: 2020-06-23
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an oil-water separation foam and its preparation method to solve the problem that existing oil-water separation materials cannot meet the high requirements of seawater treatment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The preparation method of the oil-water separation foam of the present embodiment comprises the following steps:

[0028] (1) Submerge the iron foam in acetone, ethanol, and dilute hydrochloric acid solution successively for ultrasonic cleaning for 10 minutes, and finally clean it with water and dry it in vacuum;

[0029] (2) Dissolve the hydrophobic monomer in an organic solvent, and add a cross-linking agent of divinylbenzene: and an initiator of azobisisobutyronitrile, stir and react for 8 hours to prepare a mixed solution; wherein, the hydrophobic monomer accounts for the hydrophobic 60% of the total mass of the monomer and the crosslinking agent; 0.1% of the total mass of the initiator accounting for the hydrophobic monomer and the crosslinking agent; 1% of the total mass of the hydrophobic monomer and the crosslinking agent being accounted for by the crosslinking agent. The hydrophobic monomer is styrene; the organic solvent is N,N-dimethylformamide; the crosslink...

Embodiment 2

[0033] The preparation method of the oil-water separation foam of the present embodiment comprises the following steps:

[0034] (1) Submerge the foamed iron in acetone, ethanol, and dilute hydrochloric acid solution successively and perform ultrasonic cleaning for 20 minutes, and finally clean it with water and dry it in vacuum;

[0035] (2) Dissolve the hydrophobic monomer of styrene in the organic solvent of N,N-dimethylformamide, and add the crosslinking agent of divinylbenzene: and the initiator of azobisisobutyronitrile, and stir the reaction A mixed solution is obtained; wherein, the hydrophobic monomer accounts for 70% of the total mass of the hydrophobic monomer and the crosslinking agent; the initiator accounts for 1% of the total mass of the hydrophobic monomer and the crosslinking agent; the crosslinking agent accounts for 1% of the total mass of the hydrophobic monomer and the crosslinking agent; 10% of the total weight of the agent. The hydrophobic monomer is st...

Embodiment 3

[0039] The preparation method of the oil-water separation foam of the present embodiment comprises the following steps:

[0040] (1) soak iron foam in acetone, ethanol, dilute hydrochloric acid solution successively and carry out ultrasonic cleaning, and carry out vacuum drying after cleaning with water at last;

[0041] (2) After dissolving the hydrophobic monomer of styrene in the organic solvent of N,N-dimethylformamide, and adding the cross-linking agent of divinylbenzene: and azobisisobutyronitrile initiator, the reaction system is prepared by stirring A mixed solution is obtained; wherein, the hydrophobic monomer accounts for 80% of the total mass of the hydrophobic monomer and the crosslinking agent; the initiator accounts for 2% of the total mass of the hydrophobic monomer and the crosslinking agent; the crosslinking agent accounts for the total mass of the hydrophobic monomer and the crosslinking agent 20% of the total weight of the agent. The hydrophobic monomer is ...

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Abstract

The invention discloses oil-water separation foam and a preparation method thereof, which belong to the technical field of foam materials. The preparation method comprises the following steps: cleaning an original foam material and then carrying out vacuum drying; dissolving a hydrophobic monomer in an organic solvent, adding a cross-linking agent and an initiator, and carrying out a stirring reaction to prepare a mixed solution; and dipping the dried original foam material into the mixed solution, carrying out thermal solvent treatment, cleaning and drying to obtain the oil-water separation foam. The oil-water separation foam prepared by the invention can be used for carrying out oil-water separation by completely depending on gravity and capillary action force, and is good in separationeffect and high in speed. Compared with other oil and water, the used raw materials are not added with fluorine and silicon-containing compounds, are non-toxic, free of side effects, and free of secondary pollution to the environment, the product is easy to recycle for multiple times, low in production cost, relatively low in energy consumption and capable of being used for large-scale preparation.

Description

technical field [0001] The invention relates to the technical field of foam materials, in particular to an oil-water separation foam and a preparation method thereof. Background technique [0002] With the rapid development of the petroleum industry, marine crude oil spills occur frequently, and the discharge of industrial oily sewage increases year by year. The treatment method of oily wastewater has attracted widespread attention from all walks of life, and oil-water separation technology is one of the emerging technologies to solve the above two environmental pollution problems. [0003] An existing oil-water separation membrane has super-hydrophobic and super-oleophilic properties. Although it can achieve the effect of oil-water separation, this membrane cannot adapt to the high-salt environment in seawater, and cannot adapt to the strong alkali environment. Unfriendly fluorinated compounds. Due to the complex composition of seawater and the strong acid and alkali prop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D17/022C02F1/40
CPCB01D17/0202C02F1/40
Inventor 武元鹏张芮杨茜郭美玲郭丰昱
Owner SOUTHWEST PETROLEUM UNIV
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