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Composite adsorption material for removing manganese ions from natural water and preparation method for adsorption material

A composite adsorption material and manganese ion technology, which is applied in the field of sewage purification and treatment in environmental protection, can solve the problems of low treatment efficiency, high manganese ion investment, and slow treatment process, achieving no secondary pollution, short cycle, and no negative impact Effect

Inactive Publication Date: 2013-01-16
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The object of the present invention is: the present invention provides a kind of composite adsorption material and its preparation method for removing manganese ions in natural water body aiming at the disadvantages of high investment, slow treatment process and low treatment efficiency of traditional oxidation treatment of manganese ions in water

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0023] First take 100g of Huoyouyan filter material, wash it repeatedly with distilled water for 3 times, dry it at 50°C, pass through a 20 mesh sieve, take the particles that can pass through a 20 mesh sieve, pass through a 30 mesh sieve, and obtain the particles that can pass through a 20 mesh sieve but cannot pass through a 20 mesh sieve. Part of the particles passing through a 30-mesh sieve: Add 120 mL of 1 mol / L ferric nitrate solution, stir for 30 minutes, mix the two evenly, stir rapidly for 3 minutes, then add 100 mL of 3 mol / L potassium hydroxide solution, and let it stand for 1 hour to oxidize the hydrogen Iron is evenly coated on the surface of Huoyouyan filter material: put the above filter in a muffle furnace and bake it at 400°C for 1 hour. Rinse it twice with deionized water to elute the loosely adhered substances. Drying at 90°C completes the modification of the igneous rock filter material:

[0024] Take 5g of humic acid, add it to 50mL of acetic acid solution...

example 2

[0026] First take Huoyouyan filter material 125g. Repeatedly rinse 4 times with distilled water, dry at 55°C, pass through a 20-mesh sieve, take particles that can pass through a 20-mesh sieve, pass through a 30-mesh sieve, and obtain Partial particles passing through a 30-mesh sieve: Add 120mL of 1mol / L ferric nitrate solution, stir for 35min, mix the two evenly, stir rapidly for 4min, then add 100mL of 3mol / L potassium hydroxide solution, let stand for 1h, let the hydrogen Iron oxide is evenly coated on the surface of Huoyouyan filter material: put the above filter material in a muffle furnace, bake at 400°C for 1.5h, and rinse with deionized water for 3 times to elute the loosely adhered substances , drying at 95°C, that is, the modification of the fire rock filter material is completed;

[0027] Take 10g of humic acid, add it to 50mL of acetic acid solution with a mass fraction of 25, stir for 30min and mix well; add 25g of modified fire rock filter material to the above m...

example 3

[0029] First take 150g of Huoyouyan filter material, wash it repeatedly 5 times with distilled water, dry it at 60°C, pass through a 20-mesh sieve, take the particles that can pass through the 20-mesh sieve, pass through the 30-mesh sieve, and obtain the particles that can pass through the 20-mesh sieve but cannot Part of the particles passed through a 30-mesh sieve; add 120 mL of 1 mol / L ferric nitrate solution, stir for 40 min, mix the two evenly, stir rapidly for 4 min, then add 100 L of 3 mol / L potassium hydroxide solution, and let stand for 1 h to oxidize the hydrogen Iron is evenly coated on the surface of Huoyouyan filter material: put the above filter material in a muffle furnace, bake it at 400°C for 2 hours, rinse it repeatedly with deionized water for 3 times, and elute the weakly adhered substances. Drying at 100°C completes the modification of the igneous rock filter material;

[0030] Take 15g of humic acid, add it to 50mL of acetic acid solution with a mass frac...

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PUM

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Abstract

The invention discloses a composite adsorption material for removing manganese ions from natural water and a preparation method for the adsorption material. By using complexation reaction of humic acid and manganese and the principle that a modified volcanic rock filter material can well adsorb the manganese, the modified volcanic rock filter material and the humic acid are combined to form a composite material for efficiently treating the manganese ions in the water. The invention also relates to a specific application method of the prepared material. The material is simple, the requirement on equipment is low, and the operation period is short, so that the method is obviously superior to the traditional oxidation method in the aspects of operation and investment; and in addition, the material can completely adsorb the manganese ions, which is the highlight of the material.

Description

technical field [0001] The invention relates to a composite adsorption material for removing manganese ions in natural water and a preparation method thereof, specifically relates to the treatment of sewage containing manganese ions, and belongs to the field of sewage purification and treatment in environmental protection. Background technique [0002] Manganese is an essential trace element for the human body and a component of various enzymes in the human body. However, excessive manganese will also bring a lot of inconvenience and harm to people's life and production. First of all, from a sensory point of view, when the manganese content in water is above 0.5mg / L, the water will produce unpleasant colors and unique odors, and it will be colored on clothes and utensils, which is very unsightly. Secondly, from a physiological point of view, excessive intake of manganese by humans will cause lesions in related organs and cause chronic poisoning to the human body. For indus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/24B01J20/30C02F1/28C02F1/64
Inventor 雷春生高玉梅雷思宇
Owner CHANGZHOU UNIV
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