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Magnetic nanoscale oil absorption material as well as preparation method and application thereof

An oil-absorbing material and magnetic nanotechnology, applied in the field of materials, can solve the problems of low oil-water selectivity, harsh synthesis conditions, and unknown ecotoxicity, and achieve the effect of simple and easy preparation method, simple preparation method and good stability

Inactive Publication Date: 2017-01-04
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current synthesis methods of magnetic nanocomposites are mainly hydrothermal method, co-sedimentation and other methods. The synthesis conditions are harsh and the process is complicated. Most of the raw materials used include organic polymer materials. Their ecotoxicity is unknown, and surface modification of materials is often required. In order to obtain hydrophobicity, it may cause secondary pollution to the environment
Moreover, due to the structural properties of traditional oil-absorbing materials, their oil absorption capacity is not large enough, and their oil-water selectivity is not high. They often absorb oil and water at the same time, and their service life is short.

Method used

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  • Magnetic nanoscale oil absorption material as well as preparation method and application thereof
  • Magnetic nanoscale oil absorption material as well as preparation method and application thereof
  • Magnetic nanoscale oil absorption material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] This embodiment discloses a method for preparing a magnetic nano-oil-absorbing material applied in the fields of environmental governance, oil and gas fields, etc., including the following steps:

[0037] Dissolve 6g of sucrose and 5g of ferrous sulfate in 50ml of water, place figure 1 In the middle aerosol sprayer 1, the carrier gas (nitrogen) is introduced to form a spray, which enters the tube furnace 2 to be heated and reacted. The reaction temperature is 1000 degrees Celsius, and the reaction time at each reaction temperature is 4s to 10s. The spray time depends on The amount of the raw material in the aerosol sprayer, and finally the magnetic nano oil-absorbing material is collected on the filter membrane of the filter 3.

[0038] Characterization and functional identification of the magnetic nano-oil-absorbing material prepared in this example:

[0039] The magnetic nano-oil-absorbing material prepared in this example was scanned and magnified by an electron mic...

Embodiment 2

[0043] This embodiment discloses a method for preparing a magnetic nano oil-absorbing material, comprising the following steps:

[0044] 1) Mix the raw materials according to the following weight ratio:

[0045]

[0046] 2) Put the mixed solution in an aerosol sprayer, spray small droplets driven by an inert gas carrier gas, enter a tube furnace for heating and react, the temperature of the tube furnace is 600-900 degrees Celsius, and the reaction time is 4s~10s.

[0047] 3) Filtrating the material obtained from the reaction in step 2) through a membrane filter to obtain the magnetic nano oil-absorbing material.

[0048] The water-soluble sugar is glucose; the water-soluble iron salt is ferric nitrate; and the carrier gas is nitrogen.

[0049] The use of the magnetic nano-oil-absorbing material prepared in this example in oil-water separation, treatment of oily sewage, or water purification.

[0050] Characterization and functional identification of the magnetic nano-oil-a...

Embodiment 3

[0055] This embodiment discloses a method for preparing a magnetic nano oil-absorbing material, comprising the following steps:

[0056] 1) Mix the raw materials according to the following weight ratio:

[0057]

[0058] 2) Put the mixed solution in an aerosol sprayer, spray small droplets driven by an inert gas carrier gas, enter a tube furnace for heating and react, the temperature of the tube furnace is 800-1000 degrees Celsius, and the reaction time is 4s~10s.

[0059] 3) Filtrating the material obtained from the reaction in step 2) through a membrane filter to obtain the magnetic nano oil-absorbing material.

[0060] The water-soluble sugar is fructose; the water-soluble iron salt is ferrous nitrate aqueous complex; the carrier gas is an inert gas.

[0061] Characterization and functional identification of the magnetic nano-oil-absorbing material prepared in this example:

[0062] The surface morphology of the magnetic nano-oil-absorbing material prepared in this ex...

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Abstract

The invention provides a magnetic nanoscale oil absorption material as well as a preparation method and an application thereof. The preparation method of the magnetic nanoscale oil absorption material comprises the following steps: 1) raw materials are mixed in weight proportion as follows: 4-8 parts of water-soluble sugar, 3-7 parts of water-soluble iron salt, 0-0.55 parts of concentrated sulfuric acid and 30-80 parts of water; 2) a solution obtained through mixing is placed in an aerosol sprayer, and sprayed droplets are driven by inert carrier gas to enter a tube furnace to be heated for a reaction; 3) a material obtained through the reaction in the step 2) is filtered, and the magnetic nanoscale oil absorption material is obtained. The preparation method of the magnetic nanoscale oil absorption material is simple and easy to implement, and the raw materials are easily available, non-toxic and widely sourced; the prepared magnetic nanoscale oil absorption material has a good oil absorption effect, absorbed oil and the material can be both recycled, and secondary pollution is avoided.

Description

technical field [0001] The invention relates to material technology, in particular to a magnetic nanometer oil-absorbing material, its preparation method and application. Background technique [0002] Petroleum is the blood of industry. The development of social economy and the progress of human civilization are inseparable from petroleum and petroleum products. However, with the process of oil extraction, transportation, processing, storage, etc., the leakage of oil and oil products will inevitably occur. Crude oil spills not only pollute the ocean and freshwater systems, destroy the ecological environment, but also endanger human beings through the food chain. Especially offshore oil spills (such as the oil spill in the Gulf of Mexico), the damage caused by it has the characteristics of wide spread, high degree of harm, difficult follow-up treatment and high treatment cost. Treatment with oil-absorbing materials is one of the effective methods to deal with oil spills, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20C02F1/28C10G33/00B01J20/30B01J20/28
CPCB01J20/20B01J20/28009C02F1/283C10G33/00
Inventor 占敬敬龙袁
Owner DALIAN UNIV OF TECH
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