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Preparation of magnetic biomass charcoal and adsorption of magnetic biomass charcoal to dye

A biomass and magnetic technology, applied in the direction of adsorption of water/sewage treatment, water pollutants, alkali metal compounds, etc., can solve the problems of easy agglomeration of magnetic nanoparticles, and achieve strong surface adsorption, good superparamagnetism, good The effect of stability

Inactive Publication Date: 2016-06-22
LUDONG UNIVERSITY
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Problems solved by technology

But in practical application, Fe 3 o 4 Magnetic nanoparticles are prone to agglomeration

Method used

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  • Preparation of magnetic biomass charcoal and adsorption of magnetic biomass charcoal to dye
  • Preparation of magnetic biomass charcoal and adsorption of magnetic biomass charcoal to dye
  • Preparation of magnetic biomass charcoal and adsorption of magnetic biomass charcoal to dye

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[0018] The preparation method of magnetic biomass charcoal composite material can be divided into two steps in detail: First, the preparation of biomass charcoal. The fallen leaves of Fallon were washed with distilled water and dried at 50°C. The fallen leaves are ground and screened with 60 mesh molecular sieves. Place the leaf powder in an alumina porcelain boat and put it in a tube furnace. Under argon, the temperature is increased to 800°C at a rate of 5°C per minute and kept at this temperature for 5 hours. Finally, it is naturally cooled to room temperature to obtain activated carbon powder. .

[0019] 2. Preparation of magnetic biomass charcoal. Take activated carbon (0.9g), anhydrous FeCl 3 (0.972g) and anhydrous CH 3 COONa (1.5g) in 60mL diethylene glycol, and the mixture was heated under magnetic stirring until completely mixed. Then, the solution was transferred to a polytetrafluoroethylene autoclave and kept at 200°C for 24 hours. After cooling to room temperature...

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Abstract

The invention belongs to the field of chemical analysis testing instruments and equipment, and relates to a novel magnetic biomass activated carbon composite material, which has both the magnetic separation ability of magnetic nanomaterials and the high adsorption performance of activated carbon, and can quickly and efficiently remove dye pollutants in water bodies , and has good stability. In addition, the magnetic nanocomposite adsorbent prepared by the invention has a simple preparation method, low raw material cost and environmental friendliness.

Description

Technical field [0001] The invention belongs to the field of chemical analysis and testing instruments and equipment, and relates to a novel magnetic biomass carbon nanocomposite material, which is used as an adsorbent for removing dyes to remove dyes in environmental wastewater. Background technique [0002] The background and development status of this technical field are roughly as follows: Dye wastewater, as one of the more difficult industrial wastewaters to treat, has the characteristics of high organic matter content, high concentration, deep color, high toxicity, and difficult biodegradation. It can cause great harm to human health, such as cancer, anemia and respiratory disorders. At present, domestic and foreign research methods for dye removal mainly include adsorption, catalytic and electrochemical methods. Therefore, the development of efficient, cheap and stable adsorbents is of great significance for dye wastewater treatment. Fe with superparamagnetism 3 O 4 Magne...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/28B01J20/30C02F1/28
CPCB01J20/20B01J20/28004B01J20/28009C02F1/288C02F2101/308
Inventor 张升晓罗浩李晓燕
Owner LUDONG UNIVERSITY
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