CN108686633A - A kind of attapulgite modified water purification agent of graphene oxide compound - Google Patents
A kind of attapulgite modified water purification agent of graphene oxide compound Download PDFInfo
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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Abstract
The present invention relates to a kind of attapulgite modified water purification agents of graphene oxide compound, are made of graphene oxide, attapulgite, cetyl trimethylammonium bromide, dodecyl benzene sulfonic acid, calcium aluminate powder, polyvinyl alcohol, polyaniline, dilute hydrochloric acid, deionized water.Attapulgite is first modified with cetyl trimethylammonium bromide, keep its surface positively charged, then keep it compound with graphene oxide, polyvinyl alcohol, polyaniline by electrostatic interaction, calcium aluminate powder and dodecyl benzene sulfonic acid is added, the reunion of graphene is reduced, the water purification agent of preparation has the specific surface area of super large, can adsorb more organic pollutions and heavy metal ion, purifying water effect is good, and not will produce secondary pollution.
Description
Technical field
The invention belongs to water purification agent fields, and in particular to a kind of attapulgite modified water purification agent of graphene oxide compound.
Background technology
Attapulgite is also known as palygorskite, is a kind of clay mineral of zeopan containing Shuifu County of tool chain layer structure, has
The surface of exchangeable cations is commonly used as adsorbent adsorbing metal ions and organic pollution, but adsorption energy force difference.Graphite
Alkene has a large amount of pi-conjugated structure, can be adsorbed a variety of organic between the compound with pi bond with pi-pi accumulation effect
Object;And its special two-dimensional structure determines that it has the specific surface area of super large, thus there is larger adsorption capacity, have
Efficient adsorption capacity has strong adsorption capacity particularly with multiring aromatic hydrocarbon substance.Graphene oxide is due to super large
Specific surface area, numerous oxygen-containing functional groups, good thermal conductivity etc., show fabulous absorption property.
The conventional method of Water warfare can be generally removed effectively most of by flocculation, precipitation, filtering and chemical treatment
Dirt and kill most of microbe, however cannot very effectively remove such as hormone, pesticide, virus, toxin and heavy metal from
The substances such as son.These harmful substances remain in water source, cause damages to people.And modified attapulgite can use contact or mistake
Technical finesse water is filtered, these harmful substances can be eliminated.
Invention content
The purpose of the present invention is to provide a kind of large specific surface area, adsorbable processing various heavy, organic pollution, only
It is good to change water body effect, not will produce the attapulgite modified water purification agent of graphene oxide compound of secondary pollution.
The technical solution adopted by the present invention to solve the technical problems is:A kind of graphene oxide compound modified attapulgite
Native water purification agent is made of the raw material of following weight parts:
10-15 parts of graphene oxide,
20-35 parts of attapulgite,
2-5 parts of cetyl trimethylammonium bromide,
1-3 parts of dodecyl benzene sulfonic acid,
5-12 parts of calcium aluminate powder,
5-10 parts of polyvinyl alcohol,
3-8 parts of polyaniline,
Appropriate dilute hydrochloric acid,
Appropriate deionized water.
The preparation process of the above-mentioned attapulgite modified water purification agent of graphene oxide compound is as follows:
1)Stirring 30-60min in deionized water, which is added, in attapulgite makes it be uniformly dispersed, then a concentration of 5-10wt% is added
Cetyl trimethylammonium bromide stirs 8-10h, filters, dries to obtain modified attapulgite;
2)Modified attapulgite is added in deionized water, stirring, ultrasonic disperse 30-60min obtains a concentration of 15-20wt%'s
Attapulgite modified dispersion liquid;
3)It adds graphene oxide into deionized water, is ultrasonically treated 30-60min, form finely dispersed graphene oxide point
Dispersion liquid;
4)Ultrasound 30min in graphene oxide dispersion is added in polyvinyl alcohol, polyaniline and obtains mixed liquor A;
5)By attapulgite modified dispersion liquid and step 4)In mixed liquor A ultrasound and under conditions of mechanical agitation it is fully mixed
It closes, calcium aluminate powder, dodecyl benzene sulfonic acid is then added, continue ultrasound, mechanical agitation 2-3h, pH=2 are adjusted with dilute hydrochloric acid, it is quiet
It sets, deionization is washed three times, and sediment is centrifuged to obtain, and is dried in vacuo, is pulverized, as water purification agent.
Specifically, the step 3)A concentration of 5-10wt% of middle graphene oxide dispersion.
Specifically, the step 5)A concentration of 1-3mol/L of middle dilute hydrochloric acid.
The invention has the advantages that:Attapulgite is first modified with cetyl trimethylammonium bromide, is made
Its surface is positively charged, then keeps it compound with graphene oxide, polyvinyl alcohol, polyaniline by electrostatic interaction, and aluminic acid is added
Calcium powder and dodecyl benzene sulfonic acid, reduce the reunion of graphene, and the water purification agent of preparation has the specific surface area of super large, can adsorb
More organic pollutions and heavy metal ion, purifying water effect is good, and not will produce secondary pollution.
Specific implementation mode
The following is specific embodiments of the present invention, is described further to technical scheme of the present invention, but the present invention
Protection domain is not limited to these examples.It is every to be included in the present invention without departing substantially from the change of present inventive concept or equivalent substitute
Protection domain within.
Embodiment 1
A kind of attapulgite modified water purification agent of graphene oxide compound, preparation process are as follows:
1)Stirring 50min in deionized water, which is added, in 30g attapulgites makes it be uniformly dispersed, then 2g is added in a concentration of 8wt%
Cetyl trimethylammonium bromide stirs 8h, filters, dries to obtain modified attapulgite;
2)Modified attapulgite is added in deionized water, stirring, the modification that ultrasonic disperse 30min obtains a concentration of 20wt% is recessed
Convex stick soil dispersion liquid;
3)12g graphene oxides are added in deionized water, 30min is ultrasonically treated, forms the finely dispersed of a concentration of 5wt%
Graphene oxide dispersion;
4)Ultrasound 30min in graphene oxide dispersion is added in 7g polyvinyl alcohol, 8g polyanilines and obtains mixed liquor A;
5)By attapulgite modified dispersion liquid and step 4)In mixed liquor A ultrasound and under conditions of mechanical agitation it is fully mixed
It closes, 7g calcium aluminate powders, 1g dodecyl benzene sulfonic acid is then added, continue ultrasound, mechanical agitation 3h, with the dilute hydrochloric acid of 1.5mol/L
PH=2 are adjusted, are stood, deionization is washed three times, and sediment is centrifuged to obtain, and is dried in vacuo, is pulverized, as water purification agent.
Embodiment 2
A kind of attapulgite modified water purification agent of graphene oxide compound, preparation process are as follows:
1)Stirring 30min in deionized water, which is added, in 25g attapulgites makes it be uniformly dispersed, then 4g is added in a concentration of 5wt%
Cetyl trimethylammonium bromide stirs 10h, filters, dries to obtain modified attapulgite;
2)Modified attapulgite is added in deionized water, stirring, the modification that ultrasonic disperse 50min obtains a concentration of 15wt% is recessed
Convex stick soil dispersion liquid;
3)15g graphene oxides are added in deionized water, 60min is ultrasonically treated, forms the finely dispersed of a concentration of 9wt%
Graphene oxide dispersion;
4)Ultrasound 30min in graphene oxide dispersion is added in 5g polyvinyl alcohol, 6g polyanilines and obtains mixed liquor A;
5)By attapulgite modified dispersion liquid and step 4)In mixed liquor A ultrasound and under conditions of mechanical agitation it is fully mixed
It closes, 5g calcium aluminate powders, 2g dodecyl benzene sulfonic acid is then added, continue ultrasound, mechanical agitation 2h, with the dilute hydrochloric acid tune of 2mol/L
PH=2 are saved, are stood, deionization is washed three times, and sediment is centrifuged to obtain, and is dried in vacuo, is pulverized, as water purification agent.
Embodiment 3
A kind of attapulgite modified water purification agent of graphene oxide compound, preparation process are as follows:
1)Stirring 40min in deionized water, which is added, in 20g attapulgites makes it be uniformly dispersed, then 5g is added in a concentration of 7wt%
Cetyl trimethylammonium bromide stirs 9h, filters, dries to obtain modified attapulgite;
2)Modified attapulgite is added in deionized water, stirring, the modification that ultrasonic disperse 60min obtains a concentration of 17wt% is recessed
Convex stick soil dispersion liquid;
3)10g graphene oxides are added in deionized water, 40min is ultrasonically treated, forms the finely dispersed of a concentration of 7wt%
Graphene oxide dispersion;
4)Ultrasound 30min in graphene oxide dispersion is added in 10g polyvinyl alcohol, 4g polyanilines and obtains mixed liquor A;
5)By attapulgite modified dispersion liquid and step 4)In mixed liquor A ultrasound and under conditions of mechanical agitation it is fully mixed
It closes, 8g calcium aluminate powders, 3g dodecyl benzene sulfonic acid is then added, continue ultrasound, mechanical agitation 3h, with the dilute hydrochloric acid tune of 3mol/L
PH=2 are saved, are stood, deionization is washed three times, and sediment is centrifuged to obtain, and is dried in vacuo, is pulverized, as water purification agent.
Embodiment 4
A kind of attapulgite modified water purification agent of graphene oxide compound, preparation process are as follows:
1)Stirring 60min in deionized water, which is added, in 35g attapulgites makes it be uniformly dispersed, then 3g is added in a concentration of 10wt%
Cetyl trimethylammonium bromide stirs 8h, filters, dries to obtain modified attapulgite;
2)Modified attapulgite is added in deionized water, stirring, the modification that ultrasonic disperse 40min obtains a concentration of 18wt% is recessed
Convex stick soil dispersion liquid;
3)14g graphene oxides are added in deionized water, 50min is ultrasonically treated, forms the finely dispersed of a concentration of 10wt%
Graphene oxide dispersion;
4)Ultrasound 30min in graphene oxide dispersion is added in 8g polyvinyl alcohol, 3g polyanilines and obtains mixed liquor A;
5)By attapulgite modified dispersion liquid and step 4)In mixed liquor A ultrasound and under conditions of mechanical agitation it is fully mixed
It closes, 12g calcium aluminate powders, 3g dodecyl benzene sulfonic acid is then added, continue ultrasound, mechanical agitation 2h, with the dilute hydrochloric acid of 1mol/L
PH=2 are adjusted, are stood, deionization is washed three times, and sediment is centrifuged to obtain, and is dried in vacuo, is pulverized, as water purification agent.
Claims (4)
1. a kind of attapulgite modified water purification agent of graphene oxide compound, which is characterized in that by the raw material system of following weight parts
At:
10-15 parts of graphene oxide,
20-35 parts of attapulgite,
2-5 parts of cetyl trimethylammonium bromide,
1-3 parts of dodecyl benzene sulfonic acid,
5-12 parts of calcium aluminate powder,
5-10 parts of polyvinyl alcohol,
3-8 parts of polyaniline,
Appropriate dilute hydrochloric acid,
Appropriate deionized water.
2. the attapulgite modified water purification agent of graphene oxide compound as described in claim 1, which is characterized in that preparation process
It is as follows:
1) stirring 30-60min in deionized water is added in attapulgite makes it be uniformly dispersed, then a concentration of 5-10wt% adds
Enter cetyl trimethylammonium bromide stirring 8-10h, filters, dries to obtain modified attapulgite;
2) modified attapulgite is added in deionized water, stirring, ultrasonic disperse 30-60min obtains a concentration of 15-20wt%'s
Attapulgite modified dispersion liquid;
3) it adds graphene oxide into deionized water, is ultrasonically treated 30-60min, form finely dispersed graphene oxide point
Dispersion liquid;
4) ultrasound 30min in graphene oxide dispersion is added in polyvinyl alcohol, polyaniline and obtains mixed liquor A;
5) mixed liquor A in attapulgite modified dispersion liquid and step 4) is fully mixed under conditions of ultrasound and mechanical agitation
It closes, calcium aluminate powder, dodecyl benzene sulfonic acid is then added, continue ultrasound, mechanical agitation 2-3h, pH=2 is adjusted with dilute hydrochloric acid, it is quiet
It sets, deionization is washed three times, and sediment is centrifuged to obtain, and is dried in vacuo, is pulverized, as water purification agent.
3. the attapulgite modified water purification agent of graphene oxide compound as claimed in claim 2, which is characterized in that the step
3) a concentration of 5-10wt% of graphene oxide dispersion in.
4. the attapulgite modified water purification agent of graphene oxide compound as claimed in claim 2, which is characterized in that the step
5) a concentration of 1-3mol/L of dilute hydrochloric acid in.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116282496A (en) * | 2023-05-22 | 2023-06-23 | 广州市豫泉净水材料有限公司 | Composite carbon source production process |
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Application publication date: 20181023 |
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| RJ01 | Rejection of invention patent application after publication |