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C/gamma-Fe2O3 composite material recycling method

A composite material, -fe2o3 technology, applied in the field of recycling of C/γ-Fe2O3 composite materials, can solve problems such as difficult regeneration, achieve easy operation, convenient regeneration and use, and realize the effect of resource recycling and reuse

Inactive Publication Date: 2016-05-04
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method is simple in process, easy to operate, realizes magnetic oil-water separation by using material characteristics, and has strong continuity. It solves the problem that traditional carbon materials are not easy to regenerate, and realizes resource recovery and reuse.

Method used

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  • C/gamma-Fe2O3 composite material recycling method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: A kind of C / γ-Fe 2 o 3 The method for recycling composite materials, the treatment and regeneration of water body oil slick pollution, includes the following steps:

[0034] 1) Apply electricity to the 2T electromagnet, and the C / γ-Fe 2 o 3 The material is adsorbed on the electromagnet,

[0035] 2) The electromagnet is powered off, and the C / γ-Fe 2 o 3 Sprinkled on the surface of oil slick in water body, C / γ-Fe 2 o 3 The addition amount of the composite material is oil pollution and C / γ-Fe 2 o 3 The mass ratio of powder is 20:1,

[0036] 3) For (2) step, C / γ-Fe has been sprinkled 2 o 3 The water body of the material is stirred by bubbling, so that the C / γ-Fe 2 o 3 Fully absorb oil slick,

[0037] 4) After the electromagnet is energized, the C / γ-Fe that absorbs the oil 2 o 3 Composite materials for magnetic recycling,

[0038] 5) The electromagnet is powered off, and the recovered (4) sample is dispersed in an acetone solvent, and stirred b...

Embodiment 2

[0040] Embodiment 2: A kind of C / γ-Fe 2 o 3 The method for recycling composite materials, the treatment and regeneration of water body oil slick pollution, includes the following steps:

[0041] 1) Apply electricity to the 2T electromagnet, and the C / γ-Fe 2 o 3 The material is adsorbed on the electromagnet,

[0042] 2) The electromagnet is powered off, and the C / γ-Fe 2 o 3 Sprinkled on the surface of the water dye pollution zone, C / γ-Fe 2 o 3 The addition amount of the composite material is oil pollution and C / γ-Fe 2 o 3 The mass ratio of powder is 38:1.

[0043] 3) For (2) step, C / γ-Fe has been sprinkled 2 o 3 The water body of the material is stirred by bubbling, so that the C / γ-Fe 2 o 3 Fully adsorb the dye,

[0044] 4) After the electromagnet is energized, the C / γ-Fe that adsorbs the dye 2 o 3 Composite materials for magnetic recycling,

[0045] 5) The electromagnet is powered off, and the recovered (4) sample is dispersed in chloroform solvent, and stirre...

Embodiment 3

[0047] Embodiment 3: A kind of C / γ-Fe 2 o 3 The method for recycling composite materials, the treatment and regeneration of water body oil slick pollution, includes the following steps:

[0048] 1) Apply electricity to the 2T electromagnet, and the C / γ-Fe 2 o 3 The material is adsorbed on the electromagnet,

[0049] 2) The electromagnet is powered off, and the C / γ-Fe 2 o 3 Sprinkled on the surface of the water dye pollution zone, C / γ-Fe 2 o 3 The addition amount of the composite material is oil pollution and C / γ-Fe 2 o 3 The mass ratio of powder is 35:1.

[0050] 3) For (2) step, C / γ-Fe has been sprinkled 2 o 3 The water body of the material is stirred by bubbling, so that the C / γ-Fe 2 o 3 Fully adsorb the dye,

[0051] 4) After the electromagnet is energized, the C / γ-Fe that adsorbs the dye 2 o 3 Composite materials for magnetic recycling,

[0052] 5) The electromagnet is powered off, and the recovered (4) sample is dispersed in an ethanol solvent, and stirre...

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Abstract

The present invention provides a C / gamma-Fe2O3 composite material recycling method, which comprises: (1) sprinkling a C / gamma-Fe2O3 composite material onto the surface of oil water or dye sewage, and carrying out bubbling stirring to completely adsorb the dye or oil; (2) electrifying an electric magnet, and carrying out magnetic recovery on the C / gamma-Fe2O3; (3) carrying out power-down on the electric magnet, dispersing the recovered C / gamma-Fe2O3 composite material of the absorbed oil or dye in an organic solvent, and carrying out bubbling stirring; and (4) electrifying the electric magnet again, carrying out magnetic adsorption on the desorbed C / gamma-Fe2O3 composite material, sprinkling in an organic solvent again, carrying out desorption, repeatedly performing the steps 3-5 times, recovering the C / gamma-Fe2O3 composite material, and drying so as to be recycled. According to the present invention, the method has characteristics of simple process and easy operation; the characteristics of the material are used to achieve the magnetic oil water separation; and the continuity is strong, the problem that the traditional material is not easily regenerated is well solved, and the resource recycling and re-use is achieved.

Description

technical field [0001] The invention belongs to the field of wastewater purification, and relates to a magnetic amorphous carbon C composite material recycling method, in particular to a C / γ-Fe 2 o 3 Methods for recycling composite materials. Background technique [0002] Carbon materials are hydrophobic adsorbents that can function in the presence of water or water vapor. Carbon materials are not only suitable for absorbing land spills, but also for absorbing water spills; and when used for degreasing on water, they will not sink after adsorption. Although carbon has many advantages, it has limitations in terms of adsorption capacity, ease of separation, and recyclability. [0003] At present, in the cold rolling process, due to the characteristics of fast pickling speed, good quality, and easy acid regeneration, hydrochloric acid pickling has become the mainstream technology in strip pickling. Generally, the pickling lines of large steel plants are equipped with picklin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/34B01J20/20C02F1/28
Inventor 宋俊姜龙兴杨建林
Owner BAOSHAN IRON & STEEL CO LTD
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