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Efficient adsorbent

An adsorbent, high-efficiency technology, applied in the fields of adsorption water/sewage treatment, inorganic chemistry, water/sludge/sewage treatment, etc. Wide range of effects

Inactive Publication Date: 2018-06-08
彭万喜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Adsorbents are widely used in sewage treatment, but the current adsorbents often have disadvantages such as strong selectivity and narrow application range.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A high-efficiency adsorbent, which includes the following components by mass:

[0022]

[0023] The adsorbent has a core-shell structure. Alumina, silica, titanium dioxide, ferroferric oxide, manganese tetroxide and calcium oxide are all nanometers. The bulk density of diatomaceous earth is 0.29g / mL. The particle size is 18 microns, and its specific surface area is 53m 2 / g.

[0024] Mix and dissolve aluminum ammonium sulfate, titanium sulfate, ferrous sulfate and manganese sulfate to obtain a mixed solution, then add ammonium carbonate and ammonia water under stirring to control the pH of the solution to 9.9 and the reaction temperature to 39°C. The ammonium carbonate and the aluminum, The ratio of the total moles of titanium, ferrous iron and manganese is 2.5:1. After the reaction is completed, it is dried after washing, and then passed through a 90-mesh sieve. Then the dried material is added to the sodium silicate solution for slurrying. After finishing, add calcium chl...

Embodiment 2

[0029] A high-efficiency adsorbent, which includes the following components by mass:

[0030]

[0031]

[0032] The adsorbent has a core-shell structure. Alumina, silica, titanium dioxide, ferroferric oxide, manganese tetroxide and calcium oxide are all nanometers. The bulk density of diatomaceous earth is 0.29g / mL. The particle size is 18 microns, and its specific surface area is 54m 2 / g.

[0033] Mix and dissolve aluminum ammonium sulfate, titanium sulfate, ferrous sulfate, and manganese sulfate to obtain a mixed solution, then add ammonium carbonate and ammonia water under stirring to control the pH of the solution to 10.2 and the reaction temperature to 42°C. The ammonium carbonate and the aluminum, The ratio of the total moles of titanium, ferrous iron and manganese is 2.8:1. After the reaction is completed, it is dried after washing, and then passed through a 100-mesh sieve, and then the dried material is added to the sodium silicate solution for slurrying. After finishing,...

Embodiment 3

[0038] A high-efficiency adsorbent, which includes the following components by mass:

[0039]

[0040] The adsorbent has a core-shell structure. Alumina, silica, titanium dioxide, ferroferric oxide, manganese tetroxide and calcium oxide are all nanometers. The bulk density of diatomaceous earth is 0.31g / mL. The particle size is 18 microns, and its specific surface area is 57m 2 / g.

[0041] Mix and dissolve aluminum ammonium sulfate, titanium sulfate, ferrous sulfate and manganese sulfate to obtain a mixed solution, then add ammonium carbonate and ammonia water under stirring to control the pH of the solution to 10.25 and the reaction temperature to 38°C. The ammonium carbonate and the aluminum, The ratio of the total moles of titanium, ferrous iron and manganese is 2.8:1. After the reaction is complete, it is dried after washing, and then passed through a 90-mesh sieve, and then the dried materials are added to the sodium silicate solution for slurrying. After finishing, add calc...

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Abstract

The invention discloses an efficient adsorbent which is prepared from the following components in percentage by weight: 5-20% of activated carbon, 10-25% of aluminum oxide, 15-20% of silicon dioxide,1-5% of titanium dioxide, 5-10% of ferroferric oxide, 1-3% of manganous-manganic oxide, 10-20% of calcium oxide and 15-30% of diatomite. The efficient adsorbent is wide in application range, and has avery good adsorption treatment effect on heavy metals, ammonia and nitrogen and phosphorus.

Description

Technical field [0001] The invention relates to a high-efficiency adsorbent, which belongs to the technical field of environmental protection. Background technique [0002] Adsorbent is a solid substance that can effectively adsorb certain components from gas or liquid. Adsorbents generally have the following characteristics: large specific surface, suitable pore structure and surface structure; strong adsorption capacity for adsorbates; generally do not chemically react with adsorbates and media; easy to manufacture and easy to regenerate; good machinery Strength etc. Adsorbents can be classified according to pore size, particle shape, chemical composition, surface polarity, etc., such as coarse and fine pore adsorbents, powder, granular, strip adsorbents, carbonaceous and oxide adsorbents, polar and non-polar Polar adsorbent, etc. [0003] Adsorbents are widely used in sewage treatment, but the current adsorbents are often selective and narrow in application range. Summary of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/08B01J20/10B01J20/06B01J20/14B01J20/04B01J20/30C02F1/28C02F101/10C02F101/16C02F101/20C02F101/22
CPCB01J20/041B01J20/06B01J20/08B01J20/103B01J20/14B01J20/20C02F1/281C02F1/283C02F2101/105C02F2101/16C02F2101/20C02F2101/22
Inventor 彭万喜葛省波邓和平
Owner 彭万喜
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