CN105542095B - A kind of hydrogel expanded material for handling heavy metal containing sewage and preparation method thereof - Google Patents
A kind of hydrogel expanded material for handling heavy metal containing sewage and preparation method thereof Download PDFInfo
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- CN105542095B CN105542095B CN201510994133.XA CN201510994133A CN105542095B CN 105542095 B CN105542095 B CN 105542095B CN 201510994133 A CN201510994133 A CN 201510994133A CN 105542095 B CN105542095 B CN 105542095B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F261/00—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00
- C08F261/02—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols
- C08F261/04—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
Abstract
The invention discloses a kind of for handling the hydrogel material containing heavy metal containing sewage, utilize the humidification of humic acid and sepiolite, humic acid and sepiolite are uniformly interspersed in the three-dimensional netted hydrogel material that methacrylic acid, polyethylene glycol and polyvinyl alcohol are formed, it is formed to heavy metal ion adsorbed excellent in efficiency, large amount of adsorption, and stabilized structure, the hydrogel material of excellent in mechanical performance, reduce production cost, improve material thermal decomposition temperature simultaneously, extend the materials'use service life, suitable for sewage disposal technology.The invention also discloses for handling the preparation method of the hydrogel material containing heavy metal containing sewage, simple production process is of low cost, safety and environmental protection, has market application foreground.
Description
Technical field
The invention belongs to field of new materials, and in particular to a kind of hydrogel expanded material and its system for handling heavy metal containing sewage
Preparation Method.
Background technology
Fast development and economic rapid growth with modern industry industry, in plating, electronics, ore dressing, metallurgy, chemical industry
And the largely sewage containing heavy metal can be generated in the industrial sectors such as automobile, it discharges the sewage containing heavy metal and can be good for human body
Health and industrial and agricultural production bring serious destruction.In nature, heavy metal ion does not have a self-cleaning and biodegradability, and one
Denier heavy metal ion enters in natural environment, then can polluted-water, soil and air, and can be constantly rich by biological chain
Human health is jeopardized by food chain after collecting or even being absorbed by plants.With increasingly frequent, the change of human industry's production
It is dense that the mass concentration for the heavy metal ions in sewage that the industries such as work, metallurgy and mining are discharged is significantly larger than maximum allowable quality
Degree, causes serious environmental pollution, therefore, waste water control and the development of sewage recycling technology and innovation ability should obtain
Pay attention to further.
China Patent Publication No. for CN102941069A disclose a kind of hydrogel as heavy metal absorbent and its
Preparation method, the preparation method select the natural macromolecular material agar of good biocompatibility, sodium carboxymethylcellulose and its spread out
Biology, synthetic high polymer polyvinylpyrrolidone, other natural macromolecular materials etc. are used as hydrogel raw material, need to only press raw material
Certain proportion is soluble in water, stirs evenly, and is prepared into uniform aqueous solution or lotion, is put into 60Co- γ industrial irradiation devices,
It is irradiated in the case where absorbed dose of radiation is 5kGy~100kGy, you can synthetic hydrogel.Preparation method is simple, and predose is also not required to pair
Raw material carries out specially treated.Such hydrogel good biocompatibility of invention synthesis, it is cheap, can be in strong adsorption sewage
Heavy metal ion.But hydrogel adsorbance prepared by this method is smaller, mechanical property is poor.
China Patent Publication No. discloses a kind of polyalcohol hydrogel and its system for adsorbing heavy metal for CN102453187A
Preparation Method and application, the invention hydrogel is not soluble in water but height swelling in water three-dimensional network polymer, by third
Olefin(e) acid hydroxyl ethyl ester（Hydrophilic glass state monomer）With the two kinds of monomer radiation copolymerization generations of 2- acrylamide-2-methylpro panesulfonic acids；
It has low crosslinking degree, high swelling ratio, structure and performance characteristic not soluble in water；It is strong with water absorbing capacity, good water-retaining property, water suction
It is not dehydrated, while there is the essential characteristic of general high-molecular compound pressurization afterwards；But hydrogel prepared by the invention
Micro-sphere structure stability and adsorption efficiency are poor.
China Patent Publication No. discloses a kind of polyvinyl alcohol foam material and its manufacturing method for CN102304260A, should
Polyvinyl alcohol foam material is made by the composition for including following component:48~95 parts by weight of polyvinyl alcohol powder, preferably 67~
95 parts by weight;5~40 parts by weight of plasticiser, preferably 5~25 parts by weight;0.05~5 parts by weight of nucleating agent, preferably 0.1~3 weight
Part;0.1~2 parts by weight of heat stabilizer, preferably 0.2~0.8 parts by weight;0.02~5 parts by weight of crosslinking agent, preferably 0.02~4 weight
Measure part;And chemical foaming agent or physical blowing agent.The manufacturing method can be chemical blowing process or physical blowing method.The hair
Bright chemical blowing process is simple for process, not harsh to equipment requirement, it is only necessary to which the common single screw extrusion machine for foaming is
It can；But polyvinyl alcohol foam material prepared by the invention is not suitable for sewage disposal.
With the fast development of China's economy and industrial sector, heavy metal ions in sewage problem is increasingly taken seriously,
And sewage treating material is similarly subjected to every field concern as the important component in sewage disposal technology, and use at present
The type of the hydrogel material of heavy metal ion is less in treated sewage, greatly limits the selection of sewage treating material, because
This, exploitation is a kind of to have to heavy metal ions in sewage adsorption efficiency good, large amount of adsorption, mechanical property suitable for sewage disposal
Excellent hydrogel material to enriching sewage treating material, promotes the development of sewage disposal to be of great significance.
Invention content
The object of the invention：In order to enrich sewage treating material type, the present invention provides a kind of water for handling heavy metal containing sewage
Gel expanded material, large amount of adsorption good to heavy metal ions in sewage adsorption efficiency, and stabilized structure, mechanical property is strong,
Low production cost, service life is long, and more selections are provided for sewage treating material.
The technical solution adopted by the present invention：To solve the above-mentioned problems, a kind of water-setting for handling heavy metal containing sewage is provided
Glue expanded material is prepared by the following material comprising humic acid and hemicellulose with parts by weight：
Acrylic acid 30-40
Polyethylene glycol 20-25
Palygorskite 10-15
Polyvinyl alcohol 4.0-6.0
Humic acid 3.0-5.0
Hemicellulose 3.0-5.0
Expanded material 2.0-4.0
Sodium peroxydisulfate 0.4-0.6
N, N`- methylene-bisacrylamide 0.05-0.10
Further, the acrylic acid degree of neutralization is between 80% and 95%.
Further, the palygorskite is fibriform paligorskite, and between 10 microns and 20 microns, draw ratio is situated between grain size
In 10:1 and 20:Between 1.
Further, the humic acid is after temperature is 280 DEG C of dehydrations, impregnates and is modified via the calcium chloride of 2.5mol/L
90min, then dry and be made at being 75 DEG C in temperature.
Further, the hemicellulose is stalk hemicellulose.
Further, the expanded material is by 40wt% sulfuric acid solutions, 30wt%-40wt% formalins and magnesium carbonate powder
Composition, wherein sulfuric acid solution, formalin and magnesium carbonate powder composition are using weight ratio machine as 2:2:1.
The preparation method of the above-mentioned hydrogel material for wastewater treatment, includes the following steps：
(1) by the palygorskite that parts by weight are 10-15, the humic acid and parts by weight that parts by weight are 3.0-5.0 are 3.0-5.0's
Hemicellulose is placed in water, and carries out ultrasonic disperse, forms suspension；
(2) by the acrylic acid that parts by weight are 30-40, the polyethylene glycol and parts by weight that parts by weight are 20-25 are 4.0-6.0's
Polyvinyl alcohol is added to the water, and mixing, speed of agitator 450-600rpm, mixing time 5- are stirred at being 85 DEG C in heating temperature
10 minutes, form the mixed liquor of acrylic acid, polyethylene glycol and polyvinyl alcohol；
(3) by step（2）The mixed liquor and parts by weight of obtained acrylic acid, polyethylene glycol and polyvinyl alcohol are 0.4-0.6
Sodium peroxydisulfate and N that parts by weight are 0.05-0.10, N`- methylene-bisacrylamides, heating temperature at 80 DEG C plus
Enter step（1）Suspension in, and be stirred by ultrasonic during the addition process, mixing time 60-90 minutes is uniformly mixed
Hydrogel Primary product；
(4) the step of expanded material that parts by weight are 2.0-4.0 being added to 45 DEG C of heating temperature（3）Obtained hydrogel
It in Primary product, and is stirred, speed of agitator 180-240rpm, mixing time 20 minutes is then injected into mold, in ring
Aldolisation is carried out at 55 DEG C of border temperature, after 4 hours reaction time, foaming body is taken out and carries out washing impurity-removing, obtain a processing huge sum of money
Belong to the hydrogel expanded material of sewage.
The principle of the present invention：Have very strong complexing power, hemicellulose using modified humic acid and heavy metal ion
There is excellent absorption property, the power of activeness and quietness effect and palygorskite of low cost to the tridimensional network of hydrogel
Performance is learned, humic acid, hemicellulose and palygorskite are uniformly interspersed in the three of acrylic acid, polyethylene glycol and polyvinyl alcohol formation
It ties up in netted hydrogel material, is formed to heavy metal ion adsorbed excellent in efficiency, large amount of adsorption, and stabilized structure, mechanical property
Large specific surface area is made in excellent hydrogel Primary product, then handled by foaming, and density is small, stabilized structure, to heavy metal from
Sub- adsorption efficiency is high, the hydrogel expanded material of the processing heavy metal containing sewage of excellent in mechanical performance, while reduces production cost；
Simultaneously as palygorskite improves the heat decomposition temperature of acrylic acid, polyethylene glycol and polyvinyl alcohol, hydrogel material is extended
Service life.
Outstanding feature and advantageous effect of the present invention are：
(1) the hydrogel expanded material of processing heavy metal containing sewage of the invention is made by adding humic acid and hemicellulose
Hydrogel material obtained has to heavy metal ions in wastewater adsorption efficiency good, large amount of adsorption, and the characteristics of stabilized structure；
(2) the hydrogel expanded material excellent in mechanical performance of processing heavy metal containing sewage of the invention, after being handled by foaming,
Cause hydrogel material large specific surface area, density is small, stabilized structure, improves the adsorption efficiency and adsorbance of hydrogel material；
(3) simple production process of the hydrogel expanded material of processing heavy metal containing sewage of the invention, of low cost, safety
Environmental protection has higher market application foreground.
Specific embodiment
The present invention is further described below according to specific embodiment, as described below is only the preferred reality of the present invention
Mode is applied, under same principle, can make and be partly improved, these improvement are also belonged in protection scope of the present invention：
Embodiment 1：
A kind of hydrogel expanded material for handling heavy metal containing sewage：
(1) by the palygorskite that parts by weight are 10, the hemicellulose that the humic acid and parts by weight that parts by weight are 3.0 are 3.0 is put
Yu Shuizhong, and ultrasonic disperse is carried out, form suspension；
(2) by the acrylic acid that parts by weight are 30, the polyvinyl alcohol that the polyethylene glycol and parts by weight that parts by weight are 20 are 4.0 adds
Enter in water, be stirred mixing, speed of agitator 450rpm at being 85 DEG C in heating temperature, mixing time 5 minutes forms propylene
The mixed liquor of acid, polyethylene glycol and polyvinyl alcohol；
(3) by step（2）The mixed liquor and parts by weight of obtained acrylic acid, polyethylene glycol and polyvinyl alcohol are 0.4 mistake
Sodium sulphate and the N that parts by weight are 0.05, N`- methylene-bisacrylamides add in step at being 80 DEG C in heating temperature（1）
Suspension in, and be stirred by ultrasonic during the addition process, mixing time 60 minutes, it is primary to obtain uniformly mixed hydrogel
Product；
(4) the step of expanded material that parts by weight are 2.0 being added to 45 DEG C of heating temperature（3）Obtained hydrogel is primary
It in product, and is stirred, speed of agitator 180rpm, mixing time 20 minutes is then injected into mold, in environment temperature 55
Aldolisation is carried out at DEG C, after 4 hours reaction time, foaming body is taken out and carries out washing impurity-removing, obtain hydrogel material.
Embodiment 2：
A kind of hydrogel expanded material for handling heavy metal containing sewage：
(1) by the palygorskite that parts by weight are 15, the hemicellulose that the humic acid and parts by weight that parts by weight are 5.0 are 5.0 is put
Yu Shuizhong, and ultrasonic disperse is carried out, form suspension；
(2) by the acrylic acid that parts by weight are 40, the polyvinyl alcohol that the polyethylene glycol and parts by weight that parts by weight are 25 are 6.0 adds
Enter in water, be stirred mixing, speed of agitator 600rpm at being 85 DEG C in heating temperature, mixing time 10 minutes forms propylene
The mixed liquor of acid, polyethylene glycol and polyvinyl alcohol；
(3) by step（2）The mixed liquor and parts by weight of obtained acrylic acid, polyethylene glycol and polyvinyl alcohol are 0.6 mistake
Sodium sulphate and the N that parts by weight are 0.10, N`- methylene-bisacrylamides add in step at being 80 DEG C in heating temperature（1）
Suspension in, and be stirred by ultrasonic during the addition process, mixing time 90 minutes, it is primary to obtain uniformly mixed hydrogel
Product；
(4) the step of expanded material that parts by weight are 4.0 being added to 45 DEG C of heating temperature（3）Obtained hydrogel is primary
It in product, and is stirred, speed of agitator 240rpm, mixing time 20 minutes is then injected into mold, in environment temperature 55
Aldolisation is carried out at DEG C, after 4 hours reaction time, foaming body is taken out and carries out washing impurity-removing, obtain hydrogel material.
Embodiment 3：
A kind of hydrogel expanded material for handling heavy metal containing sewage：
(1) by the palygorskite that parts by weight are 13, the hemicellulose that the humic acid and parts by weight that parts by weight are 4.6 are 3.2 is put
Yu Shuizhong, and ultrasonic disperse is carried out, form suspension；
(2) by the acrylic acid that parts by weight are 34, the polyvinyl alcohol that the polyethylene glycol and parts by weight that parts by weight are 21 are 5.1 adds
Enter in water, be stirred mixing, speed of agitator 500rpm at being 85 DEG C in heating temperature, mixing time 8 minutes forms propylene
The mixed liquor of acid, polyethylene glycol and polyvinyl alcohol；
(3) by step（2）The mixed liquor and parts by weight of obtained acrylic acid, polyethylene glycol and polyvinyl alcohol are 0.5 mistake
Sodium sulphate and the N that parts by weight are 0.08, N`- methylene-bisacrylamides add in step at being 80 DEG C in heating temperature（1）
Suspension in, and be stirred by ultrasonic during the addition process, mixing time 70 minutes, it is primary to obtain uniformly mixed hydrogel
Product；
(4) the step of expanded material that parts by weight are 2.2 being added to 45 DEG C of heating temperature（3）Obtained hydrogel is primary
It in product, and is stirred, speed of agitator 200rpm, mixing time 20 minutes is then injected into mold, in environment temperature 55
Aldolisation is carried out at DEG C, after 4 hours reaction time, foaming body is taken out and carries out washing impurity-removing, obtain hydrogel material.
Embodiment 4：
A kind of hydrogel expanded material for handling heavy metal containing sewage：
(1) by the palygorskite that parts by weight are 14, the hemicellulose that the humic acid and parts by weight that parts by weight are 3.1 are 4.6 is put
Yu Shuizhong, and ultrasonic disperse is carried out, form suspension；
(2) by the acrylic acid that parts by weight are 32, the polyvinyl alcohol that the polyethylene glycol and parts by weight that parts by weight are 24 are 4.2 adds
Enter in water, be stirred mixing, speed of agitator 480rpm at being 85 DEG C in heating temperature, mixing time 6 minutes forms propylene
The mixed liquor of acid, polyethylene glycol and polyvinyl alcohol；
(3) by step（2）The mixed liquor and parts by weight of obtained acrylic acid, polyethylene glycol and polyvinyl alcohol are 0.4 mistake
Sodium sulphate and the N that parts by weight are 0.06, N`- methylene-bisacrylamides add in step at being 80 DEG C in heating temperature（1）
Suspension in, and be stirred by ultrasonic during the addition process, mixing time 60 minutes, it is primary to obtain uniformly mixed hydrogel
Product；
(4) the step of expanded material that parts by weight are 2.5 being added to 45 DEG C of heating temperature（3）Obtained hydrogel is primary
It in product, and is stirred, speed of agitator 180rpm, mixing time 20 minutes is then injected into mold, in environment temperature 55
Aldolisation is carried out at DEG C, after 4 hours reaction time, foaming body is taken out and carries out washing impurity-removing, obtain hydrogel material.
Embodiment 5：
A kind of hydrogel expanded material for handling heavy metal containing sewage：
(1) by the palygorskite that parts by weight are 11, the hemicellulose that the humic acid and parts by weight that parts by weight are 4.8 are 3.9 is put
Yu Shuizhong, and ultrasonic disperse is carried out, form suspension；
(2) by the acrylic acid that parts by weight are 37, the polyvinyl alcohol that the polyethylene glycol and parts by weight that parts by weight are 22 are 5.1 adds
Enter in water, be stirred mixing, speed of agitator 450rpm at being 85 DEG C in heating temperature, mixing time 5 minutes forms propylene
The mixed liquor of acid, polyethylene glycol and polyvinyl alcohol；
(3) by step（2）The mixed liquor and parts by weight of obtained acrylic acid, polyethylene glycol and polyvinyl alcohol are 0.6 mistake
Sodium sulphate and the N that parts by weight are 0.10, N`- methylene-bisacrylamides add in step at being 80 DEG C in heating temperature（1）
Suspension in, and be stirred by ultrasonic during the addition process, mixing time 80 minutes, it is primary to obtain uniformly mixed hydrogel
Product；
(4) the step of expanded material that parts by weight are 3.0 being added to 45 DEG C of heating temperature（3）Obtained hydrogel is primary
It in product, and is stirred, speed of agitator 180rpm, mixing time 20 minutes is then injected into mold, in environment temperature 55
Aldolisation is carried out at DEG C, after 4 hours reaction time, foaming body is taken out and carries out washing impurity-removing, obtain hydrogel material.
One each embodiment performance analysis data of table
| Performance indicator | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Maximal absorptive capacity（mg/g） | 623 | 649 | 625 | 638 | 631 |
| Pb2+Adsorption rate（%） | 98.91 | 99.12 | 98.87 | 98.26 | 98.01 |
| Cd2+Adsorption rate（%） | 98.07 | 98.93 | 98.66 | 98.13 | 98.49 |
| Cu2+Adsorption rate（%） | 97.89 | 98.82 | 97.69 | 97.92 | 98.37 |
| Mechanical strength（MPa） | 28.9 | 30.4 | 29.2 | 28.7 | 29.4 |
Claims (1)
1. a kind of hydrogel expanded material for handling heavy metal containing sewage, it is characterised in that：By comprising humic acid and hemicellulose
Following material is prepared with parts by weight：
Acrylic acid 30-40
Polyethylene glycol 20-25
Palygorskite 10-15
4 .0-6 .0 of polyvinyl alcohol
3 .0-5 .0 of humic acid
3 .0-5 .0 of hemicellulose
2 .0-4 .0 of expanded material
0 .4-0 .6 of sodium peroxydisulfate
0 .05-0 .10 of N, N`- methylene-bisacrylamide；
The acrylic acid degree of neutralization is between 80% and 95%；The palygorskite is fibriform paligorskite, grain size between 10 microns and
Between 20 microns, draw ratio is between 10:1 and 20:Between 1；The humic acid is after temperature is 280 DEG C of dehydrations, via 2
.5mol/L calcium chloride impregnates modified 90min, then dry at being 75 DEG C in temperature is made；The hemicellulose is stalk half fiber
Dimension element；The expanded material is made of 40wt% sulfuric acid solutions, 30wt%-40wt% formalins and magnesium carbonate powder, wherein sulfuric acid
Solution, formalin and magnesium carbonate powder composition are using weight ratio as 2:2:1；
A kind of hydrogel expanded material for handling heavy metal containing sewage, is prepared by the following method：
（1）By the palygorskite that parts by weight are 10-15, parts by weight are the humic acid of 3 .0-5 .0 and parts by weight are 3 .0-5 .0
Hemicellulose is placed in water, and carries out ultrasonic disperse, forms suspension；
（2）By the acrylic acid that parts by weight are 30-40, the polyethylene glycol and parts by weight that parts by weight are 20-25 are the poly- of 4 .0-6 .0
Vinyl alcohol is added to the water, and mixing, speed of agitator 450-600rpm, mixing time 5-10 are stirred at being 85 DEG C in heating temperature
Minute, the mixed liquor of formation acrylic acid, polyethylene glycol and polyvinyl alcohol；
（3）By step（2）The mixed liquor and parts by weight of obtained acrylic acid, polyethylene glycol and polyvinyl alcohol are 0 .4-0 .6's
Sodium peroxydisulfate and the N that parts by weight are 0 .05-0 .10, N`- methylene-bisacrylamides, in the case where heating temperature is 80 DEG C
Add in step（1）Suspension in, and be stirred by ultrasonic during the addition process, mixing time 60-90 minutes, it is equal to obtain mixing
Even hydrogel Primary product；
（4）The step of expanded material that parts by weight are 2 .0-4 .0 is added to 45 DEG C of heating temperature（3）At the beginning of obtained hydrogel
It in grade product, and is stirred, speed of agitator 180-240rpm, mixing time 20 minutes is then injected into mold, in environment
Aldolisation is carried out at 55 DEG C of temperature, after 4 hours reaction time, foaming body is taken out and carries out washing impurity-removing, obtain processing heavy metal
The hydrogel expanded material of sewage.
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| CN106732423B (en) * | 2016-12-28 | 2019-10-01 | 西北师范大学 | A kind of preparation and application of hydroxyethyl cellulose/concave convex rod/sodium humate composite hydrogel |
| CN107324415A (en) * | 2017-08-01 | 2017-11-07 | 天津中瑞水处理剂有限公司 | A kind of heavy metal-polluted water treatment agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186720A (en) * | 2007-11-07 | 2008-05-28 | 安徽大学 | Polyvinyl alcohol foaming material for treating sewage |
| CN103709275A (en) * | 2014-01-22 | 2014-04-09 | 中国科学院长春应用化学研究所 | Hydrogel and preparation method thereof |
| CN103709328A (en) * | 2013-10-28 | 2014-04-09 | 北京林业大学 | Preparation method of hemicelluloses-based organic-inorganic compound hydrogel |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186720A (en) * | 2007-11-07 | 2008-05-28 | 安徽大学 | Polyvinyl alcohol foaming material for treating sewage |
| CN103709328A (en) * | 2013-10-28 | 2014-04-09 | 北京林业大学 | Preparation method of hemicelluloses-based organic-inorganic compound hydrogel |
| CN103709275A (en) * | 2014-01-22 | 2014-04-09 | 中国科学院长春应用化学研究所 | Hydrogel and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 坡缕石/聚乙二醇/丙烯酸水凝胶的合成及性能测试;俞洁等;《西北师范大学学报（自然科学版）》;20140430;第50卷(第4期);第65-70页 * |
| 温度敏感聚丙烯酸盐/聚乙二醇互穿网络水凝胶的合成及重金属离子吸收;唐群委等;《功能材料》;20081231;第39卷(第1期);第86-90页 * |
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