CN106799207A - A kind of adsorbent for heavy metal and its preparation technology - Google Patents
A kind of adsorbent for heavy metal and its preparation technology Download PDFInfo
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- CN106799207A CN106799207A CN201710101196.7A CN201710101196A CN106799207A CN 106799207 A CN106799207 A CN 106799207A CN 201710101196 A CN201710101196 A CN 201710101196A CN 106799207 A CN106799207 A CN 106799207A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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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- 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 invention discloses a kind of adsorbent for heavy metal and its preparation technology, adsorbent component includes 28 parts of ferric nitrate by weight, 10 20 parts of acetic acid solution, 10 20 parts of shitosan, 6 12 parts of hydroxyl nickel powder, 5 15 parts of copper sulphate, 5 15 parts of nano zine oxide, 10 25 parts of graphene oxide, 4 12 parts of nano titanium oxide, 10 25 parts of 5 12 parts of cyclization and polyvinyl butyral resin, preparation process is simple of the present invention, obtained adsorbent can be effectively in absorption effluent heavy metal ion, and reacted residue will not be to water quality, soil produces pollution.
Description
Technical field
The present invention relates to adsorbent preparing technical field, specially a kind of adsorbent for heavy metal and its preparation technology.
Background technology
Heavy metal ion belongs to harmful substance, and it can be enriched with by soil, water, air, especially food chain, right
The health of the mankind constitutes irreversible harm, the heavy metal absorbent of people's exploitation so far exist adsorbent limited source, into
This higher, preparation method is complicated, the low problem of adsorption efficiency.
The content of the invention
It is an object of the invention to provide a kind of adsorbent for heavy metal and its preparation technology, to solve above-mentioned background skill
The problem proposed in art.
To achieve the above object, the present invention provides following technical scheme：A kind of adsorbent for heavy metal, adsorbent component
By weight include ferric nitrate 2-8 parts, acetic acid solution 10-20 parts, shitosan 10-20 parts, 6-12 parts of hydroxyl nickel powder, copper sulphate
5-15 parts, nano zine oxide 5-15 parts, graphene oxide 10-25 parts, nano titanium oxide 4-12 parts, cyclization 5-12
Part and polyvinyl butyral resin 10-25 parts.
Preferably, preferred composition proportion is：5 parts of ferric nitrate, 15 parts of acetic acid solution, 15 parts of shitosan, hydroxyl nickel powder 9
Part, 10 parts of copper sulphate, 10 parts of nano zine oxide, 18 parts of graphene oxide, 8 parts of nano titanium oxide, 9 parts of cyclization with
And 18 parts of polyvinyl butyral resin.
Preferably, its preparation technology is comprised the following steps：
A, will ferric nitrate, shitosan, hydroxyl nickel powder, copper sulphate mix after add acetic acid solution in be stirred continuously, standing mixed
Close liquid A；
B, nano zine oxide, graphene oxide, nano titanium oxide are sequentially added in mixed liquor A, water-bath is added after mixing
Middle heating water bath, water-bath heating-up temperature is 60 DEG C -80 DEG C, and the heat time is 15min-30min, and room temperature is cooled to afterwards, is obtained
To mixed liquid B；
C, addition cyclization and the polyvinyl butyral resin in mixed liquid B, add heating in magnetic stirring apparatus afterwards
Stirring is then placed in drier in 1-3h is dried at 100 DEG C to dry, is finally ground to thin, and is put into Muffle furnace 600
1-2h is calcined at DEG C, 150 mesh sieves are crossed after cooling, that is, obtain adsorbent.
Compared with prior art, the beneficial effects of the invention are as follows：Preparation process is simple of the present invention, obtained adsorbent can
Heavy metal ion in effective absorption effluent, and reacted residue will not produce pollution to water quality, soil；In addition, this hair
The graphene oxide of bright middle addition is a kind of new carbon of excellent performance, abundant with specific surface area higher and surface
Functional group, can further enhance adsorption efficiency.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
The present invention provides a kind of technical scheme：A kind of adsorbent for heavy metal, adsorbent component includes by weight
Ferric nitrate 2-8 parts, acetic acid solution 10-20 parts, shitosan 10-20 parts, 6-12 parts of hydroxyl nickel powder, copper sulphate 5-15 parts, nano oxygen
Change 5-15 parts, graphene oxide 10-25 parts, nano titanium oxide 4-12 parts, cyclization 5-12 parts of zinc and polyethylene
Butyral 10-25 parts.
Embodiment one：
In the present embodiment, adsorbent component includes 2 parts of ferric nitrate, 10 parts of acetic acid solution, 10 parts of shitosan, hydroxyl by weight
6 parts of nickel powder, 5 parts of copper sulphate, 5 parts of nano zine oxide, 10 parts of graphene oxide, 4 parts of nano titanium oxide, cyclization 5
10 parts of part and polyvinyl butyral resin.
The preparation technology of the present embodiment is comprised the following steps：
A, will ferric nitrate, shitosan, hydroxyl nickel powder, copper sulphate mix after add acetic acid solution in be stirred continuously, standing mixed
Close liquid A；
B, nano zine oxide, graphene oxide, nano titanium oxide are sequentially added in mixed liquor A, water-bath is added after mixing
Middle heating water bath, water-bath heating-up temperature is 60 DEG C, and the heat time is 15min, and room temperature is cooled to afterwards, obtains mixed liquid B；
C, addition cyclization and the polyvinyl butyral resin in mixed liquid B, add heating in magnetic stirring apparatus afterwards
Stirring is then placed in drier in drying 1 at 100 DEG C to dry, is finally ground to thin, and is put into Muffle furnace at 600 DEG C
Calcining 1, crosses 150 mesh sieves after cooling, that is, obtain adsorbent.
Embodiment two：
In the present embodiment, adsorbent component includes 8 parts of ferric nitrate, 20 parts of acetic acid solution, 20 parts of shitosan, hydroxyl by weight
12 parts of nickel powder, 15 parts of copper sulphate, 15 parts of nano zine oxide, 25 parts of graphene oxide, 12 parts of nano titanium oxide, the fine fibre of polypropylene
Dimension 12 parts and 25 parts of polyvinyl butyral resin.
The preparation technology of the present embodiment is comprised the following steps：
A, will ferric nitrate, shitosan, hydroxyl nickel powder, copper sulphate mix after add acetic acid solution in be stirred continuously, standing mixed
Close liquid A；
B, nano zine oxide, graphene oxide, nano titanium oxide are sequentially added in mixed liquor A, water-bath is added after mixing
Middle heating water bath, water-bath heating-up temperature is 80 DEG C, and the heat time is 30min, and room temperature is cooled to afterwards, obtains mixed liquid B；
C, addition cyclization and the polyvinyl butyral resin in mixed liquid B, add heating in magnetic stirring apparatus afterwards
Stirring is then placed in drier in 3h is dried at 100 DEG C to dry, is finally ground to thin, and is put into Muffle furnace at 600 DEG C
Lower calcining 2h, crosses 150 mesh sieves after cooling, that is, obtain adsorbent.
Embodiment three：
In the present embodiment, adsorbent component includes 3 parts of ferric nitrate, 12 parts of acetic acid solution, 12 parts of shitosan, hydroxyl by weight
7 parts of nickel powder, 6 parts of copper sulphate, 6 parts of nano zine oxide, 12 parts of graphene oxide, 5 parts of nano titanium oxide, cyclization 6
12 parts of part and polyvinyl butyral resin.
The preparation technology of the present embodiment is comprised the following steps：
A, will ferric nitrate, shitosan, hydroxyl nickel powder, copper sulphate mix after add acetic acid solution in be stirred continuously, standing mixed
Close liquid A；
B, nano zine oxide, graphene oxide, nano titanium oxide are sequentially added in mixed liquor A, water-bath is added after mixing
Middle heating water bath, water-bath heating-up temperature is 65 DEG C, and the heat time is 18min, and room temperature is cooled to afterwards, obtains mixed liquid B；
C, addition cyclization and the polyvinyl butyral resin in mixed liquid B, add heating in magnetic stirring apparatus afterwards
Stirring is then placed in drier in 2h is dried at 100 DEG C to dry, is finally ground to thin, and is put into Muffle furnace at 600 DEG C
Lower calcining 1h, crosses 150 mesh sieves after cooling, that is, obtain adsorbent.
Example IV：
In the present embodiment, adsorbent component includes 7 parts of ferric nitrate, 18 parts of acetic acid solution, 18 parts of shitosan, hydroxyl by weight
11 parts of nickel powder, 14 parts of copper sulphate, 14 parts of nano zine oxide, 23 parts of graphene oxide, 11 parts of nano titanium oxide, the fine fibre of polypropylene
Dimension 11 parts and 23 parts of polyvinyl butyral resin.
The preparation technology of the present embodiment is comprised the following steps：
A, will ferric nitrate, shitosan, hydroxyl nickel powder, copper sulphate mix after add acetic acid solution in be stirred continuously, standing mixed
Close liquid A；
B, nano zine oxide, graphene oxide, nano titanium oxide are sequentially added in mixed liquor A, water-bath is added after mixing
Middle heating water bath, water-bath heating-up temperature is 75 DEG C, and the heat time is 25min, and room temperature is cooled to afterwards, obtains mixed liquid B；
C, addition cyclization and the polyvinyl butyral resin in mixed liquid B, add heating in magnetic stirring apparatus afterwards
Stirring is then placed in drier in 2h is dried at 100 DEG C to dry, is finally ground to thin, and is put into Muffle furnace at 600 DEG C
Lower calcining 2h, crosses 150 mesh sieves after cooling, that is, obtain adsorbent.
Embodiment five：
In the present embodiment, adsorbent component includes 6 parts of ferric nitrate, 16 parts of acetic acid solution, 16 parts of shitosan, hydroxyl by weight
10 parts of nickel powder, 12 parts of copper sulphate, 12 parts of nano zine oxide, 20 parts of graphene oxide, 10 parts of nano titanium oxide, the fine fibre of polypropylene
Dimension 10 parts and 20 parts of polyvinyl butyral resin.
The preparation technology of the present embodiment is comprised the following steps：
A, will ferric nitrate, shitosan, hydroxyl nickel powder, copper sulphate mix after add acetic acid solution in be stirred continuously, standing mixed
Close liquid A；
B, nano zine oxide, graphene oxide, nano titanium oxide are sequentially added in mixed liquor A, water-bath is added after mixing
Middle heating water bath, water-bath heating-up temperature is 75 DEG C, and the heat time is 25min, and room temperature is cooled to afterwards, obtains mixed liquid B；
C, addition cyclization and the polyvinyl butyral resin in mixed liquid B, add heating in magnetic stirring apparatus afterwards
Stirring is then placed in drier in 3h is dried at 100 DEG C to dry, is finally ground to thin, and is put into Muffle furnace at 600 DEG C
Lower calcining 1h, crosses 150 mesh sieves after cooling, that is, obtain adsorbent.
Embodiment six：
In the present embodiment, adsorbent component includes 5 parts of ferric nitrate, 15 parts of acetic acid solution, 15 parts of shitosan, hydroxyl by weight
9 parts of nickel powder, 10 parts of copper sulphate, 10 parts of nano zine oxide, 18 parts of graphene oxide, 8 parts of nano titanium oxide, cyclization
9 parts and 18 parts of polyvinyl butyral resin.
The preparation technology of the present embodiment is comprised the following steps：
A, will ferric nitrate, shitosan, hydroxyl nickel powder, copper sulphate mix after add acetic acid solution in be stirred continuously, standing mixed
Close liquid A；
B, nano zine oxide, graphene oxide, nano titanium oxide are sequentially added in mixed liquor A, water-bath is added after mixing
Middle heating water bath, water-bath heating-up temperature is 70 DEG C, and the heat time is 22min, and room temperature is cooled to afterwards, obtains mixed liquid B；
C, addition cyclization and the polyvinyl butyral resin in mixed liquid B, add heating in magnetic stirring apparatus afterwards
Stirring is then placed in drier in 2h is dried at 100 DEG C to dry, is finally ground to thin, and is put into Muffle furnace at 600 DEG C
Lower calcining 1.5h, crosses 150 mesh sieves after cooling, that is, obtain adsorbent.
Experimental example：
Common adsorbents and various embodiments of the present invention are obtained into adsorbent carries out demercuration, de- cadmium experiment, obtains data such as following table：
| Mercury removal rate（%） | Cadmium removal efficiency（%） | |
| Common adsorbents | 55.8 | 58.9 |
| Embodiment one | 85.6 | 83.8 |
| Embodiment two | 82.5 | 83.9 |
| Embodiment three | 83.6 | 82.8 |
| Example IV | 84.8 | 84.9 |
| Embodiment five | 82.9 | 82.7 |
| Embodiment six | 88.5 | 86.9 |
From above table data, adsorbent can reach optimum efficiency obtained in embodiment six.
Preparation process is simple of the present invention, the heavy metal ion that obtained adsorbent can be effectively in absorption effluent, and reaction
Residue afterwards will not produce pollution to water quality, soil；In addition, the graphene oxide added in the present invention is a kind of excellent performance
New carbon, with the functional group that specific surface area higher and surface are abundant, adsorption efficiency can be further enhanced.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (3)
1. a kind of adsorbent for heavy metal, it is characterised in that：Adsorbent component includes ferric nitrate 2-8 parts, second by weight
Acid solution 10-20 parts, shitosan 10-20 parts, 6-12 parts of hydroxyl nickel powder, copper sulphate 5-15 parts, nano zine oxide 5-15 parts, oxidation
Graphene 10-25 parts, nano titanium oxide 4-12 parts, cyclization 5-12 parts and polyvinyl butyral resin 10-25 parts.
2. a kind of adsorbent for heavy metal according to claim 1, it is characterised in that：Preferred composition proportion is：Nitre
5 parts of sour iron, 15 parts of acetic acid solution, 15 parts of shitosan, 9 parts of hydroxyl nickel powder, 10 parts of copper sulphate, 10 parts of nano zine oxide, oxidation stone
18 parts of 18 parts of black alkene, 8 parts of nano titanium oxide, 9 parts of cyclization and polyvinyl butyral resin.
3. a kind of adsorbent for heavy metal according to claim 1, it is characterised in that：Its preparation technology includes following step
Suddenly：
A, will ferric nitrate, shitosan, hydroxyl nickel powder, copper sulphate mix after add acetic acid solution in be stirred continuously, standing mixed
Close liquid A；
B, nano zine oxide, graphene oxide, nano titanium oxide are sequentially added in mixed liquor A, water-bath is added after mixing
Middle heating water bath, water-bath heating-up temperature is 60 DEG C -80 DEG C, and the heat time is 15min-30min, and room temperature is cooled to afterwards, is obtained
To mixed liquid B；
C, addition cyclization and the polyvinyl butyral resin in mixed liquid B, add heating in magnetic stirring apparatus afterwards
Stirring is then placed in drier in 1-3h is dried at 100 DEG C to dry, is finally ground to thin, and is put into Muffle furnace 600
1-2h is calcined at DEG C, 150 mesh sieves are crossed after cooling, that is, obtain adsorbent.
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| CN201710101196.7A CN106799207A (en) | 2017-02-24 | 2017-02-24 | A kind of adsorbent for heavy metal and its preparation technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812511A (en) * | 2017-12-18 | 2018-03-20 | 宁波沈南知识产权运营有限公司 | A kind of nano adsorption material and preparation method thereof |
| CN108355619A (en) * | 2018-02-12 | 2018-08-03 | 台州职业技术学院 | A kind of nano adsorption material for removing water pollutant |
| CN109300709A (en) * | 2018-10-31 | 2019-02-01 | 江苏美淼环保科技有限公司 | The preparation method and electrode of hydrophily multilayered structure capacitive deionization electrode |
| CN112844334A (en) * | 2020-12-29 | 2021-05-28 | 山东国大黄金股份有限公司 | Slag recovery circulating water purification adsorbent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101973618A (en) * | 2010-08-27 | 2011-02-16 | 浙江大学 | Method for removing and recycling hexavalent chromium ions by using chitosan-iron complex |
| CN104888725A (en) * | 2015-05-12 | 2015-09-09 | 安徽鑫昆净化设备有限公司 | Adsorbent with adsorption on heavy metals and preparation method for adsorbent |
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2017
- 2017-02-24 CN CN201710101196.7A patent/CN106799207A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973618A (en) * | 2010-08-27 | 2011-02-16 | 浙江大学 | Method for removing and recycling hexavalent chromium ions by using chitosan-iron complex |
| CN104888725A (en) * | 2015-05-12 | 2015-09-09 | 安徽鑫昆净化设备有限公司 | Adsorbent with adsorption on heavy metals and preparation method for adsorbent |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812511A (en) * | 2017-12-18 | 2018-03-20 | 宁波沈南知识产权运营有限公司 | A kind of nano adsorption material and preparation method thereof |
| CN108355619A (en) * | 2018-02-12 | 2018-08-03 | 台州职业技术学院 | A kind of nano adsorption material for removing water pollutant |
| CN109300709A (en) * | 2018-10-31 | 2019-02-01 | 江苏美淼环保科技有限公司 | The preparation method and electrode of hydrophily multilayered structure capacitive deionization electrode |
| CN109300709B (en) * | 2018-10-31 | 2020-04-21 | 江苏美淼环保科技有限公司 | Preparation method of hydrophilic multilayer structure capacitive deionization electrode and electrode |
| CN112844334A (en) * | 2020-12-29 | 2021-05-28 | 山东国大黄金股份有限公司 | Slag recovery circulating water purification adsorbent and preparation method thereof |
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