CN114702086B

CN114702086B - Water body purification material for drinking water

Info

Publication number: CN114702086B
Application number: CN202210364585.XA
Authority: CN
Inventors: 罗奇
Original assignee: Gongyi Fuyuan Water Purification Material Co ltd
Current assignee: Gongyi Fuyuan Water Purification Material Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2023-04-14
Anticipated expiration: 2042-04-07
Also published as: CN114702086A

Abstract

The application relates to a water body purification material for drinking water, which is characterized in that the preparation method comprises the following steps: mixing CTAB, n-amyl alcohol and cyclohexane uniformly; then sequentially adding soluble ferric salt, soluble nickel salt and sodium citrate, carrying out water bath reaction, filtering a product, and washing; (2) Calcining the product obtained in the step (1) in an air atmosphere to obtain FeNi ₂ O ₄ (ii) a Adding Ag salt, zn salt and thiourea into ethylene glycol, carrying out ultrasonic mixing, then adding a surfactant P123 and the product obtained in the step (2), carrying out continuous ultrasonic mixing until the mixture is uniformly mixed, carrying out solvothermal reaction on the mixed solution in a high-pressure reaction kettle, filtering the product, and washing the product with deionized water to obtain FeNi ₂ O ₄ -Ag doped ZnS composite; the composite material is unique in pompon shape, uniform in particle size, high in dispersity, high in specific surface area and high in reaction activity, and can be applied to a filter element purification material of a water purifier to effectively remove organic pollutants and heavy metal pollutants in water.

Description

Water body purification material for drinking water

Technical Field

The invention belongs to the technical field of drinking water purification, and particularly relates to a water body purification material for a water purifier and a preparation method thereof.

Background

With the high development of economy, the problem of water pollution is getting more and more serious, main pollution sources comprise heavy metal ions such as copper, cadmium, mercury and arsenic and organic poisons such as benzene, phenol, dichloroethane and ethylene glycol, which seriously threaten human health, the problems are well solved due to the appearance of the water purifier, the core of the purification function of the water purifier lies in the water purification material, and the research and development of the high-efficiency water purification material have important practical significance. CN109423642A discloses a Cu-Zn-ZnO composite material, a preparation method and an application thereof, wherein a zinc oxide one-dimensional nano material is directly grown on the surface of a copper-zinc alloy, and the zinc oxide one-dimensional nano material comprises the following elements in percentage by weight: 49-89% of Cu, 9-42% of Zn and 9-9% of O2; the copper-zinc alloy is subjected to hydrothermal synthesis in a high-pressure digestion tank to obtain the copper-zinc alloy; the novel composite material with the zinc oxide one-dimensional nano material directly grown on the surface of the copper-zinc alloy is synthesized by taking the copper-zinc alloy as a raw material and utilizing a hydrothermal method in one step; the composite material not only has the function of removing residual chlorine, heavy metal ions and hydrogen sulfide, but also can effectively kill microorganisms such as bacteria, viruses and the like; CN112892466A discloses an iron-titanium-manganese composite oxide and a preparation method and application thereof. The preparation method of the iron-titanium-manganese composite oxide comprises the following steps: adding ferric trichloride hexahydrate, ferrous sulfate heptahydrate, a titanium trichloride solution and a potassium permanganate solution into water, stirring, adding absolute ethyl alcohol, stirring, adjusting the pH to 8-9, aging, carrying out suction filtration, washing and drying to obtain the iron-titanium-manganese composite oxide. The iron-titanium-manganese composite oxide consists of amorphous composite oxide, and the agglomeration phenomenon is relieved compared with the iron-titanium-manganese composite oxide prepared by a coprecipitation method.

Disclosure of Invention

The invention aims to provide a water body purification composite material FeNi for a water purifier ₂ O ₄ The preparation method and the application of the-Ag doped ZnS composite material have the advantages of simple preparation process and low cost, and can effectively remove organic pollutants and heavy metal pollution sources in water.

A water body purification material for a water purifier is characterized by comprising the following preparation methods:

(1) The material proportion is (5-8) g: (10-20) ml: (20-50) ml of CTAB, n-amyl alcohol and cyclohexane are mixed uniformly; then sequentially adding (0.05-0.1) mol of soluble ferric salt, (0.05-0.1) mol of soluble nickel salt and (0.02-0.08) mmol of sodium citrate, carrying out water bath reaction at 80-90 ℃ for 4-5h, filtering and washing the product;

(2) Calcining the product obtained in the step (1) in an air atmosphere at the temperature of 300-500 ℃ for 1-3h to obtain FeNi ₂ O ₄ ；

(3) Adding Ag salt with the molar ratio of (0.002-0.005) mol, (0.02-0.05) mol, (0.002-0.005) mol of Zn salt and (0.002-0.005) mol of thiourea into ethylene glycol, carrying out ultrasonic mixing, then adding (3-5) mg of surfactant P123 and the product obtained in the step (2), continuing ultrasonic mixing until the mixture is uniformly mixed, carrying out solvent thermal reaction on the mixed solution in a high-pressure reaction kettle, filtering the product, and washing the product with deionized water to obtain FeNi ₂ O ₄ -Ag doped ZnS composite;

in particular, the FeNi ₂ O ₄ the-Ag doped ZnS composite material is in a dandelion velvet ball shape;

specifically, the reaction temperature of solvothermal reaction is 180-200 ℃, and the reaction time is 10-20h;

specifically, the volume of the ethylene glycol is 50-80ml;

the technical effects are as follows: the FeNi is prepared by adopting an emulsion system ₂ O ₄ And then Ag-doped ZnS is formed on the surface of the composite material, the composite material is unique in pompon shape, uniform in particle size, high in dispersity, and high in specific surface area and reaction activity, and is applied to a filter element purification material of a water purifier, so that the composite material has an effective removal effect on organic pollutants and heavy metal pollutants in water, can efficiently remove bacteria, and has an important application value.

Drawings

FIG. 1 is an SEM image of a composite material of the present application.

Detailed Description

Example 1

(1) The material proportion is 6g:10ml:30ml of CTAB, n-amyl alcohol and cyclohexane are mixed evenly; then sequentially adding 0.1mol of ferric nitrate, 0.1mol of nickel nitrate and 0.05mmol of sodium citrate, carrying out water bath reaction at 80 ℃ for 4h, filtering and washing the product;

(2) Calcining the product obtained in the step (1) in an air atmosphere at the temperature of 300 ℃ for 1h to obtain FeNi ₂ O ₄ ；

(3) Adding Ag salt with the molar ratio of 0.002mmol, zn salt with the molar ratio of 0.05mol and thiourea with the molar ratio of 0.05mol into ethylene glycol, ultrasonically mixing, then adding 3mg of surfactant P123 and the product obtained in the step (2), continuously ultrasonically mixing until the mixture is uniformly mixed, carrying out solvothermal reaction on the mixed solution in a high-pressure reaction kettle at 180 ℃ for 10 hours, filtering the product, and washing the product with deionized water to obtain FeNi ₂ O ₄ -Ag doped ZnS composite material.

Comparative example 1

(1) The material proportion is 6g:10ml:30ml of CTAB, n-amyl alcohol and cyclohexane are uniformly mixed; then sequentially adding 0.1mol of ferric nitrate, 0.1mol of nickel nitrate and 0.05mmol of sodium citrate, reacting in a water bath at 80 ℃ for 4 hours, filtering and washing the product;

(2) Calcining the product obtained in the step (1) in an air atmosphere at the temperature of 300 ℃ for 1h to obtain FeNi ₂ O ₄ 。

Comparative example 2

(3) Adding 0.002mol of Ag salt, 0.05mol of Zn salt and 0.05mol of thiourea into ethylene glycol, carrying out ultrasonic mixing, then adding 3mg of surfactant P123, continuing ultrasonic mixing until the mixture is uniformly mixed, carrying out solvothermal reaction on the mixed solution in a high-pressure reaction kettle at 180 ℃ for 10 hours, filtering a product, and washing with deionized water to obtain the Ag-doped ZnS composite material.

Preparing a rhodamine B solution A with a certain concentration and a solution B containing Cr heavy metal elements, adding the same-mass materials of the embodiment 1 and the comparative examples 1-2 into the solution A, performing a light irradiation reaction, and testing the degradation rate of rhodamine and the degradation rate of heavy metal ions at the same time.

	Degradation rate of rhodamine B	Degradation rate of Cr ion
			Example 1	98.6％	97.8％
Comparative example 1	87.2％	83.1％
			Comparative example 2	86.9％	79.6％

The above embodiments are merely to illustrate the technical solutions of the present invention, and thus the embodiments of the present invention are not limited to the above embodiments, and it should be understood by those of ordinary skill in the art that various changes in the details or forms thereof may be made without departing from the spirit and scope of the present invention as defined by the claims.

Claims

1. A water body purification material for drinking water is characterized in that the preparation method comprises the following steps:

(3) Adding Ag salt, zn salt and thiourea with the molar ratio of (0.002-0.005) mol to (0.02-0.05) mol to ethylene glycol, carrying out ultrasonic mixing, then adding (3-5) mg of surfactant P123 and the product obtained in the step (2), continuing ultrasonic mixing until the mixture is uniformly mixed, carrying out solvothermal reaction on the mixed solution in a high-pressure reaction kettle, filtering the product, and washing the product with deionized water to obtain FeNi ₂ O ₄ -Ag doped ZnS composite; the FeNi ₂ O ₄ the-Ag doped ZnS composite material is in a dandelion velvet ball shape; the reaction temperature of the solvothermal reaction is 180-200 ℃, and the reaction time is 10-20h; the volume of the ethylene glycol is 50-80ml.