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Modified activated carbon for removing sulfate radicals in water and preparation method thereof

A technology of activated carbon and sulfate radicals, applied in chemical instruments and methods, water pollutants, other chemical processes, etc., can solve the problems of limited adsorption effect of ionic pollutants, achieve high applicability and promotion, strong adsorption capacity, The effect of improving the adsorption effect

Active Publication Date: 2016-10-26
HUAQIAO UNIVERSITY
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Problems solved by technology

[0003] Activated carbon (GAC), as an extremely widely used adsorbent, is suitable for the adsorption of organic pollutants due to its large specific surface area, porous structure, simple preparation, low cost, safety and reliability. However, it is suitable for the adsorption of ionic pollutants such as The adsorption effect of sulfate is limited

Method used

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  • Modified activated carbon for removing sulfate radicals in water and preparation method thereof
  • Modified activated carbon for removing sulfate radicals in water and preparation method thereof
  • Modified activated carbon for removing sulfate radicals in water and preparation method thereof

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Embodiment Construction

[0024] Below by embodiment the content of the present invention is specified:

[0025] 1) Take a weighed 5.00g of granular activated carbon, pour it into a 250mL beaker or Erlenmeyer flask filled with 100mL of 1.0M acidic zirconium oxychloride solution, impregnate and stir for 3 hours at room temperature;

[0026] 2) Use a burette to add 1:1 ammonia water (that is, a solution prepared by mixing commercially available concentrated ammonia water containing 28% to 29% ammonia and water at a volume ratio of 1:1) into the solution after step 1) dipping and stirring. ) to adjust the pH value to 5, and continue to stir and react at room temperature for 4h;

[0027] 3) use the Buchner funnel to filter the solution obtained in step 2), and wash the filter residue with deionized water until the filtrate is neutral to obtain activated carbon filter residue;

[0028] 4) The activated carbon filter residue obtained in step 3) was collected in a petri dish, transferred to a constant temper...

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Abstract

The invention discloses a modified activated carbon for removing sulfate radicals in water and a preparation method thereof. Characteristics of porous structure, large specific surface area and the like of activated carbon are utilized, and zirconia is loaded on inner surfaces and outer surfaces of activated carbon pores, so that adsorption effect of activated carbon to the sulfate is greatly improved, problems of high price, fine particles and serious zirconium loss of pure zirconia are also avoided. The prepared activated carbon has excellent stability and durability in water, high adsorption capacity for sulfate ions in water and high adsorption rate, can effectively remove SO42 ions in water, reduces harm to the environment and a human body, can be used for actual production and application, and has higher application and promotion in relevant fields of water treatment.

Description

technical field [0001] The invention belongs to the technical field of material preparation, and in particular relates to a modified activated carbon for removing sulfate radicals in water and a preparation method thereof. Background technique [0002] In modern industrial production, especially in mining, metallurgy, chemical industry and other industries, sulfuric acid is an indispensable raw material and plays an important role in the national economy. The consumption of sulfuric acid is regarded as one of the indicators of the degree of industrialization of a country. Sulfuric acid is widely used as a raw material, and a large amount of wastewater containing sulfate radicals is produced in the production process. This part of wastewater is recycled in the production process. Its treatment status plays an important role in improving the utilization rate of industrial water. In addition, under natural conditions, the weathering and oxidation of metal sulfide minerals expo...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/30C02F1/28C02F101/10
CPCB01J20/06B01J20/20C02F1/281C02F2101/10
Inventor 曹威王镇乾李欣杨立康晨阳
Owner HUAQIAO UNIVERSITY
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