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Simple synthetic method for renewable magnetic carbon micro-sphere with effective adsorption property and application thereof

A technology of adsorption performance and synthesis method, which is applied in the field of simple synthesis of regenerable magnetic carbon microspheres with high adsorption performance, can solve the problems of long time and general adsorption effect, and achieve high regeneration efficiency, strong reproducibility, and high adsorption capacity Effect

Inactive Publication Date: 2015-09-02
ANHUI NORMAL UNIV
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Problems solved by technology

This method takes a long time to synthesize, and the adsorption effect is general

Method used

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  • Simple synthetic method for renewable magnetic carbon micro-sphere with effective adsorption property and application thereof
  • Simple synthetic method for renewable magnetic carbon micro-sphere with effective adsorption property and application thereof
  • Simple synthetic method for renewable magnetic carbon micro-sphere with effective adsorption property and application thereof

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Embodiment 1

[0035] Weigh 0.6750g of FeCl 3 ·6H 2 O mixed with ethylene glycol, FeCl 3 ·6H 2 The mass volume ratio of O to ethylene glycol is 1:20g / ml, stir well to form a transparent orange-yellow liquid, then add 0.10g of sodium dodecylsulfonate and 1.80g of anhydrous sodium acetate in turn, and stir vigorously for 20min. Make it a brick-red paste, transfer it to a microwave tank, and microwave it at 400W for 25 minutes. After the product is centrifuged, pour off the gray-green oily liquid in the upper layer to obtain a black magnetic fluid. Wash it repeatedly until pH = 7, that is, get nano Ferric oxide (nano-Fe 3 o 4 ). Nano-Fe 3 o 4 Added to the glucose solution with a concentration of 0.50mol / L (nano-Fe 3 o 4 The mass volume ratio to the glucose solution is 1:20g / ml), microwaved at 400W for 45min, centrifuged at 3500rpm for 10min, ultrasonic and washed repeatedly until the supernatant was colorless and clear (if no nano-Fe 3 o 4 Obtain bare carbon sphere product). Impurit...

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Abstract

The invention discloses a simple synthetic method for a renewable magnetic carbon micro-sphere with effective adsorption property and an application thereof. The simple synthetic method includes steps of wave synthesis of magnetic ferroferric oxide and secondary microwave synthesis of magnetic carbon micro-sphere. The magnetic carbon micro-sphere is used for adsorbing to remove methylene blue and the like; the magnetic carbon micro-sphere is renewable, and the re-adsorption property is repeated effectively. Compared with a general hydrothermal method, the synthesis time is greatly shortened, the regeneration efficiency is high, the repeated regeneration property is strong, the regeneration can repeat 16 times, and the regeneration rate is 90%.

Description

technical field [0001] The invention belongs to the technical field of synthesis and application of adsorption products, and in particular relates to a simple synthesis method of regenerated magnetic carbon microspheres with high-efficiency adsorption performance and its application. Background technique [0002] In view of the severe situation of water environment pollution at present, it is necessary to actively adopt various water treatment methods to remove pollutants. Among them, the adsorption removal method has a long history, and with the replacement of adsorption materials, it is advancing with the times, and adsorption removal has become a simple and applicable method. Wide range of sewage treatment methods. The use of appropriate adsorbent is the key to obtain good adsorption effect. As a large class of adsorbents, carbon materials have very remarkable adsorption and removal capacity, which is due to their large specific surface area and large number of mesopores...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/28B01J20/30B01J20/34C02F1/28
Inventor 李文文赵广超
Owner ANHUI NORMAL UNIV
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