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Composite adsorbing material for removing germanium ions from natural water body and preparation method of same

A composite adsorbent material and technology for adsorbing materials, which are applied in the field of wastewater treatment in environmental protection, can solve the problems of complex germanium ion removal method and high preparation cost, and achieve the effects of low cost, low regeneration, and increased contact area.

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

[0005] Aiming at the problem of high preparation cost of the current adsorption materials, the present invention provides an agarose gel composite adsorption material, which can efficiently remove germanium ions in water
[0006] Another object of the present invention is to solve the complex problem of the existing germanium ion removal method in drinking water

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Take 20ml of 5×TBE buffer solution and add water to 200ml to prepare 0.5×TBE dilution buffer solution for use, then weigh 0.4g agarose powder, put it in a 200ml Erlenmeyer flask, add 50mL of 0.5×TBE dilution buffer solution, put Put it into a microwave oven and heat until the agarose is completely melted, take it out and shake well, this is 0.8% agarose gel liquid, after cooling and solidifying, you can get the agarose gel; first add 12mL thioglycolic acid into the conical flask with stopper Mix well with 10mL tetrahydrofuran, then add a drop of concentrated sulfuric acid, add 10g dextran gel, stir and reflux at 70°C for 20h, take it out, cool to room temperature and suction filter, wash with deionized water until neutral, wash with a small amount of ethanol, and put The adsorption material of the present invention is obtained after drying in an oven at 35°C.

[0020] The adsorption material was put into 500 mL of waste water containing germanium ions at a concentration...

Embodiment 2

[0022] Take 20ml of 5×TBE buffer solution and add water to 200ml to prepare 0.5×TBE dilution buffer solution for use, then weigh 0.4g agarose powder, put it in a 200ml Erlenmeyer flask, add 50mL of 0.5×TBE dilution buffer solution, Put it in a microwave oven and heat until the agarose is completely melted, take it out and shake well, this is 0.8% agarose gel liquid, after cooling and solidifying, you can get the agarose gel; first add 12mL thioethanol to the conical flask with stopper Mix acid and 10mL tetrahydrofuran, then add a drop of concentrated sulfuric acid and mix well, then add 10g dextran gel, stir and reflux at 70°C for 22h, take it out and cool to room temperature for suction filtration, wash with deionized water until neutral, and wash with a small amount of ethanol Put it into an oven at 35°C and dry it to get the adsorption material of the present invention.

[0023] The adsorption material was put into 500 mL of waste water containing germanium ions at a concen...

Embodiment 3

[0025] Take 20ml of 5×TBE buffer solution and add water to 200ml to prepare 0.5×TBE dilution buffer solution for use, then weigh 0.4g agarose powder, put it in a 200ml Erlenmeyer flask, add 50mL of 0.5×TBE dilution buffer solution, Put it in a microwave oven and heat until the agarose is completely melted, take it out and shake it well, this is 0.8% agarose gel liquid, after cooling and solidifying, you can get the agarose gel; first add 12mL of thiosulfate to the conical flask with a stopper Mix glycolic acid and 10mL tetrahydrofuran, then add a drop of concentrated sulfuric acid and mix well, then add 10g dextran gel, stir and reflux at 70°C for 24h, take it out, cool to room temperature and suction filter, wash with deionized water until neutral, and wash with a small amount of ethanol Then put it into an oven at 35°C and dry to obtain the adsorption material of the present invention.

[0026] The adsorption material was put into 500 mL of waste water containing germanium i...

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Abstract

The invention discloses a composite absorbing material for removing germanium ions from a natural water body, and a preparation method of the composite absorbing material, and belongs to the field of material preparation. The preparation method comprises the steps of heating agarose powder in a buffer solution to prepare an agarose gel solution, cooling and solidifying to obtain agarose gel, adding thioglycollic acid and tetrahydrofuran for mixing, adding a drop of concentrated sulfuric acid and then agarose gel for stirring and backflow, cooling to a room temperature, conducting suction filtration, washing with deionized water to be neutral, washing with a little alcohol, drying and then obtaining the adsorbing material with a sulfydryl load surface and good selective adsorption performance on the germanium ions. The preparation method has the characteristics of innovation, novelty and uniqueness, and the prepared material has a good absorbing effect on the germanium ions in the water.

Description

technical field [0001] The invention relates to a composite adsorption material for removing germanium ions in natural water bodies and a preparation method thereof, in particular to advanced treatment of water bodies containing germanium ions, and belongs to the field of waste water treatment in environmental protection. Background technique [0002] Germanium is widely used in electronics, atomic energy industry and other fields, and has important economic value. Except for a small part of germanium existing in independent minerals, most of germanium is usually associated with lead-zinc ore, which is a typical scattered element. Germanium can also be used in optical fibers, catalysts and infrared materials. The Gulf War demonstrated the power of germanium infrared materials, and countries competed to arm themselves with high technology, and the amount of germanium used in infrared materials increased year by year. As the amount of PET increases, the use of germanium as a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/26B01J20/30C02F1/28C02F1/62
Inventor 涂保华雷春生梅宇韬
Owner CHANGZHOU UNIV
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