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Co-Fe alloy loaded carbon material and preparation method and application thereof

A carbon material and alloy technology, which is applied in the field of carbon materials supporting Co-Fe alloy and its preparation, can solve the problems of low maximum saturated adsorption capacity, poor adsorbent performance, and poor separation of waste water, etc., and achieves strong magnetic, Easy operation and high yield effect

Active Publication Date: 2017-06-20
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are still many problems in the treatment of wastewater. The performance of the adsorbent is not good, the maximum saturated adsorption capacity of the adsorption is not high, the adsorption speed is not fast, and the separation of the adsorbent and the treated wastewater is not easy.

Method used

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  • Co-Fe alloy loaded carbon material and preparation method and application thereof
  • Co-Fe alloy loaded carbon material and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Dissolve 1g of yellow-brown 1,1'-ferrocenecarboxylic acid powder and 1g of pink cobalt acetate tetrahydrate powder in 360mL of deionized water at room temperature, and stir until all solids are dissolved to obtain brown-red solution;

[0024] (2) Put the brown-red solution obtained in step (1) into a constant temperature magnetic stirring water bath, control the constant temperature of the water bath at 70°C, turn on the magnetic stirring, add dropwise sodium hydroxide solution (0.1M) during the stirring process, and adjust the concentration of the solution The pH is 6, after adding 1g of 1,10'-phenanthroline, stirring for 1h, a reddish-brown viscous liquid is obtained;

[0025] (3) Transfer the reddish-brown viscous liquid obtained in step (2) to a hydrothermal kettle, control the temperature at 45°C, heat the water for 50 hours, and after cooling to room temperature, pour out the suspension in the reaction kettle, and control the speed to 6000r / min, centrifuge to...

Embodiment 2

[0030] (1) Dissolve 1g of yellow-brown 1,1'-ferrocenecarboxylic acid powder and 5g of pink cobalt acetate tetrahydrate powder in 300mL of deionized water at room temperature, and stir until all the solids are dissolved to obtain brown-red solution;

[0031] (2) Put the brown-red solution obtained in step (1) into a constant temperature magnetic stirring water bath, control the constant temperature of the water bath at 30°C, turn on the magnetic stirring, add dropwise sodium hydroxide solution (0.3M) during the stirring process, and adjust the concentration of the solution pH is 4, stirring for 2h, a reddish-brown viscous liquid is obtained;

[0032] (3) Transfer the reddish-brown viscous liquid obtained in step (2) to a hydrothermal kettle, control the temperature at 100°C, heat the water for 48 hours, and after cooling to room temperature, pour out the suspension in the reaction kettle, and control the speed to 7000r / min, centrifuge to obtain a dark red solid, put it in an o...

Embodiment 3

[0035] (1) Dissolve 1g of yellow-brown 1,1'-ferrocenecarboxylic acid powder and 9g of pink cobalt acetate tetrahydrate powder in 400mL of deionized water at room temperature, and stir until all the solids are dissolved to obtain brown-red solution;

[0036] (2) Put the brown-red solution obtained in step (1) into a constant temperature magnetic stirring water bath, control the constant temperature of the water bath at 50°C, turn on the magnetic stirring, add dropwise sodium hydroxide solution (0.5M) during the stirring process, and adjust the concentration of the solution The pH is 12, after adding 1g of 1,10'-phenanthroline, stirring for 3 hours, a reddish-brown viscous liquid is obtained;

[0037] (3) Transfer the reddish-brown viscous liquid obtained in step (2) to a hydrothermal kettle, control the temperature at 200°C, heat the water for 72 hours, and after cooling to room temperature, pour out the suspension in the reaction kettle, and control the speed to 8000r / min, ce...

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Abstract

The invention belongs to the technical field of waste water treatment, and discloses a Co-Fe alloy loaded carbon material and a preparation method and application thereof. The Co-Fe alloy loaded carbon material is structurally characterized in that a carbon layer coats the outer surface of Co-Fe alloy; the inside of the Co-Fe alloy is hollow. Under the condition of room temperature, 1,1'-ferrocenecarboxylic acid and cobalt acetate tetrahydrate are stirred and dissolved into water; the temperature is controlled to be 20 to 80 DEG C; alkali is added into the obtained solution during stirring; the pH of the solution is regulated to 4 to 12; then, 1,10'-phenanthroline is added; the stirring is performed for 1 to 3h; the materials are transferred into a hydrothermal reaction kettle; the hydrothermal reaction is performed for 48 to 72h at 40 to 200 DEG C; separation is carried out to obtain solids; drying is performed on the solids; grinding is performed; the ground powder is roasted for 2 to 8 hours at 200 to 800 DEG C in the nitrogen gas atmosphere; the Co-Fe alloy loaded carbon material can be obtained. The Co-Fe alloy loaded carbon material obtained through preparation has very good adsorption performance; meanwhile, the reaction conditions are simple; the operation is easy; the yield is high; the industrial production is easy; the whole process is clean; no pollution is caused; no harm is caused on the environment; the separation from water can be easily realized.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment, and in particular relates to a carbon material loaded with a Co-Fe alloy, a preparation method and application thereof. Background technique [0002] Today, with the rapid development of modern science and technology, we are still facing many severe challenges such as environmental pollution. To really reduce pollution, especially some of the organic pollutants that plague us, we need better-performing sorbents. At present, there are still many problems in the treatment of wastewater, such as the poor performance of the adsorbent, the maximum saturated adsorption capacity of the adsorption is not high, the adsorption speed is not fast, and the separation of the adsorbent and the treated wastewater is not easy. Contents of the invention [0003] In order to overcome the shortcomings of existing adsorbents in wastewater treatment, the object of the present invention is a carbon mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/30C02F1/28
Inventor 刘玉山李昱东陈宁丁洁吴晗苏玉伟刘源李保军刘仲毅卢思宇
Owner ZHENGZHOU UNIV
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