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Recycled water treatment adsorption material and preparation method thereof

An adsorption material and recycling technology, applied in water/sewage treatment, adsorption water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of decreased adsorption capacity, poor industrial practicability, and reduced adsorption performance. Excellent recyclability and strong industrial applicability

Active Publication Date: 2021-06-18
武汉绿知行环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to repeated desorption in acid-base solutions, its adsorption capacity will decrease due to the increase in the number of uses until the adsorption material fails and becomes unusable.
At present, the magnetic nano-adsorption materials prepared on the market will reduce their adsorption capacity by 30-60% after being used for 6-10 times. The low recyclability of the material limits its industrial application
[0004] Chinese patent CN104475040 A discloses a modified magnetic nano-adsorption material, the modified magnetic nano-adsorption material is Fe 3 o 4 Nanoparticles as carriers, Fe 3 o 4 Nanoparticles coated with SiO 2 to obtain silanized Fe 3 o 4 nanoparticles, and then attached reduced glutathione to the silanized Fe 3 o 4 On the surface of nanoparticles, the prepared modified magnetic nano-adsorption material has the advantages of high adsorption efficiency, good selectivity, simple treatment process, and low cost. It can be applied to remove lead metal in wastewater, but the adsorption material repeats the adsorption-desorption process5 Second, the adsorption effect on Pb is reduced, the removal rate drops from 97.6% to 93.0%, its adsorption performance is greatly reduced, and its industrial applicability is poor

Method used

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  • Recycled water treatment adsorption material and preparation method thereof
  • Recycled water treatment adsorption material and preparation method thereof
  • Recycled water treatment adsorption material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A kind of circulating regeneration water treatment adsorption material of embodiment 1, comprises the following components by weight: 0.2 parts of activated carbon, 1 part of methyl methacrylate monomer, 0.05 parts of benzoyl peroxide, 0.4 parts of rosin-based dienes, toluene 2 parts, 10 parts of acetophenone, 0.1 part of ferric chloride hexahydrate, 0.1 part of sodium acetate, 0.05 part of poly(4-styrenesulfonic acid-copolymerization-maleic acid) sodium salt, 20 parts of ethylenediamine 10 parts of methanol and 10 parts of solvent, the solvent is a mixture of polyvinyl alcohol and deionized water, the mass ratio of polyvinyl alcohol to deionized water is 1:0.8-1.5.

[0040] A kind of preparation method of recycled water treatment adsorption material of embodiment 1, comprises the following steps:

[0041] S1. Preparation of activated carbon composite polymethyl methacrylate microspheres: add methyl methacrylate monomer, benzoyl peroxide and rosin-based diene, stir evenly...

Embodiment 2

[0046] A kind of recycled water treatment adsorption material of embodiment 2, comprises the following components by weight: 2 parts of activated carbon, 10 parts of methyl methacrylate monomer, 0.5 part of cyclohexyl peroxydicarbonate, 2 parts of divinylbenzene , 10 parts of xylene, 50 parts of acetophenone, 2 parts of ferric chloride hexahydrate, 1 part of sodium acetate, 2 parts of polystyrene sulfonic acid, 50 parts of ethylenediamine, 50 parts of ethanol and 40 parts of solvent. The solvent is a mixture of polyvinyl alcohol and deionized water, and the mass ratio of polyvinyl alcohol to deionized water is 1:1.5.

[0047] A kind of preparation method of recycled water treatment adsorption material of embodiment 2, comprises the following steps:

[0048] S1. Preparation of activated carbon composite polymethyl methacrylate microspheres: add methyl methacrylate monomer, cyclohexyl peroxydicarbonate and divinylbenzene, stir evenly, add activated carbon, stir, add xylene, ultr...

Embodiment 3

[0053] A recycled water treatment adsorption material in Example 3, including the following components by weight: 0.5 parts of activated carbon, 2 parts of methyl methacrylate monomer, 0.15 parts of azobisisobutyronitrile, triene instead of divinylbenzene 0.2 parts, 3 parts of kerosene, 20 parts of acetophenone, 0.3 parts of ferric chloride hexahydrate, 0.3 parts of sodium acetate, 0.3 parts of polyacrylic acid, 25 parts of ethylenediamine, 20 parts of ethylene glycol and 20 parts of solvent, the The solvent is a mixture of polyvinyl alcohol and deionized water, and the mass ratio of polyvinyl alcohol to deionized water is 1:1.

[0054] The preparation method of the recycled water treatment adsorption material of embodiment 3 comprises the following steps:

[0055] S1. Preparation of activated carbon composite polymethyl methacrylate microspheres: add methyl methacrylate monomer, azobisisobutyronitrile and triene instead of divinylbenzene, stir evenly, add activated carbon, st...

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Abstract

The invention relates to the technical field of wastewater purification, in particular to a recycled water treatment adsorption material and a preparation method thereof. The adsorption material is prepared by: compounding activated carbon, a methyl methacrylate monomer, an initiator, a cross-linking agent and the like to form activated carbon composite polymethyl methacrylate microspheres, then carrying out silicon dioxide sputtering on the activated carbon composite polymethyl methacrylate microspheres, then carrying out surface amination treatment, and finally, carrying out magnetization modification on the surface aminated microspheres. The cyclic regeneration water treatment adsorption material prepared by the invention can still keep stable adsorption capacity after multiple times of adsorption-desorption, and has excellent cyclic regeneration performance and strong industrial practicability.

Description

technical field [0001] The invention relates to the technical field of wastewater purification, in particular to a recycled water treatment adsorption material and a preparation method thereof. Background technique [0002] Synthetic dyes are divided into nitro, azo, anthraquinone, indigo, aromatic methane, etc. according to their chemical structure. According to the application method, it is divided into acidic, alkaline, direct, mordant, vulcanization, reduction, ice dyeing, dispersion, active and so on. Due to the increasing popularity of synthetic dyes in recent years, all kinds of synthetic dyes have been widely used in printing and dyeing, papermaking, leather, cosmetics and food industries, and the discharge of dye wastewater is also becoming more and more popular. A large amount of dye wastewater will not only affect the self of aquatic organisms purify. Among synthetic dyes, azo dyes are the most harmful. When azo dyes decompose, they will produce a large amount o...

Claims

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Application Information

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IPC IPC(8): B01J20/26B01J20/28B01J20/30C02F1/28C02F101/30
CPCB01J20/20B01J20/261B01J20/103B01J20/28021B01J20/28009B01J20/22C02F1/285C02F1/281B01J2220/4812B01J2220/4806B01J2220/46C02F2101/308
Inventor 丁俊杰
Owner 武汉绿知行环保科技有限公司
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