Preparation method of chemical adsorption material for removing ammonium ions in wastewater
A chemical adsorption, ammonium ion technology, applied in chemical instruments and methods, separation methods, inorganic chemistry and other directions, can solve problems such as high water content, secondary pollution, large sludge volume, etc., to improve utilization, reduce side effects, etc. The effect of reacting and avoiding secondary pollution
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
example 1
[0021] First crush the magnesite and decompose it with nitric acid to generate a magnesium nitrate solution; then add sodium hydroxide to the above solution and continuously feed CO 2 gas, generate a yellow-white precipitate, filter to obtain a filter residue; then the resulting filter residue is repeatedly washed three times with horny ethanol and methyl ketone under the action of ultrasonic waves; 3% polyacrylonitrile, 15% polycaprolactam and 3% azoaminobenzene solution, mixed evenly, and set aside overnight; then the above-mentioned prepared mixture was cooked at a pressure of 2.0 MPa and a temperature of 90 ° C for 3 hours; Finally, after cooking, release under reduced pressure at a vacuum degree of 0.02 MPa and normal temperature to obtain a fluffy, porous white substance, which is the ammonium chemical adsorption material.
[0022] First treat the adsorption material with phosphoric acid, then put the adsorption material as filler into the adsorption tower; then let the ...
example 2
[0024] First crush the magnesite and decompose it with nitric acid to generate a magnesium nitrate solution; then add sodium hydroxide to the above solution and continuously feed CO 2 gas, generate a yellow-white precipitate, filter to obtain a filter residue; then the resulting filter residue is repeatedly washed three times with horny ethanol and methyl ketone under the action of ultrasonic waves; 4% polyacrylonitrile, 20% polycaprolactam and 4% azoaminobenzene solution, mixed evenly, and set aside overnight; then the above-mentioned prepared mixture was cooked at a pressure of 3.0 MPa and a temperature of 100 ° C for 4 hours; Finally, after cooking, release under reduced pressure at a vacuum degree of 0.04 MPa and normal temperature to obtain a fluffy, porous white substance, which is the ammonium chemical adsorption material.
[0025] First treat the adsorption material with phosphoric acid, then put the adsorption material as a filler into the adsorption tower; then let t...
example 3
[0027] First crush the magnesite and decompose it with nitric acid to generate a magnesium nitrate solution; then add sodium hydroxide to the above solution and continuously feed CO 2 gas, generate a yellow-white precipitate, filter to obtain a filter residue; then the resulting filter residue is repeatedly washed three times with horny ethanol and methyl ketone under the action of ultrasonic waves; 3% polyacrylonitrile, 18% polycaprolactam and 4% azoaminobenzene solution, mix well, and set aside overnight; then cook the above-mentioned prepared mixture at a pressure of 2.0MPa and a temperature of 95°C for 3.5 hours; Finally, after cooking, release under reduced pressure at a vacuum degree of 0.03MPa and normal temperature to obtain a fluffy, porous white substance, which is the ammonium chemical adsorption material.
[0028] First treat the adsorption material with phosphoric acid, then put the adsorption material into the adsorption tower as a filler; then let the wastewater...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More