CN106955675B - A kind of magnetism aqueous solution and its preparation method and application - Google Patents
A kind of magnetism aqueous solution and its preparation method and application Download PDFInfo
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- CN106955675B CN106955675B CN201710250001.5A CN201710250001A CN106955675B CN 106955675 B CN106955675 B CN 106955675B CN 201710250001 A CN201710250001 A CN 201710250001A CN 106955675 B CN106955675 B CN 106955675B
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- sodium carboxymethylcellulose
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- 239000007864 aqueous solution Substances 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- 230000005389 magnetism Effects 0.000 title claims description 11
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 52
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 49
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 49
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 49
- 239000003292 glue Substances 0.000 claims abstract description 32
- 239000002105 nanoparticle Substances 0.000 claims abstract description 26
- 239000000243 solution Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 12
- 229910021577 Iron(II) chloride Inorganic materials 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 11
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000010792 warming Methods 0.000 claims abstract description 10
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims abstract description 9
- 238000004090 dissolution Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 3
- 238000005406 washing Methods 0.000 claims abstract description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000013019 agitation Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- -1 Carboxyl Chemical group 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- 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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28009—Magnetic properties
-
- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
-
- 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
-
- 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
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- 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
- C02F2101/203—Iron or iron compound
Abstract
The present invention relates to a kind of magnetic aqueous solutions and preparation method thereof.This method comprises the following steps: preparation Fe3O4Nanoparticles: by FeCl3Solution and FeCl2Solution uniformly mixes, and reacts 1~2h under alkaline condition, separates through magnet, after washing, drying, obtain Fe3O4Nanoparticles；It prepares sodium carboxymethylcellulose glue aqueous solution: sodium carboxymethylcellulose powder is dissolved in deionized water, bath temperature is at the uniform velocity warming up to 50 DEG C and 50 DEG C of constant temperature stirrings is kept to obtain sodium carboxymethylcellulose glue aqueous solution after all dissolutions；Prepare magnetic aqueous solution: by Fe3O4Nanoparticles are added in the sodium carboxymethylcellulose glue aqueous solution, and stirring at normal temperature obtains magnetic aqueous solution.Fe in the method for the present invention3O4Nanoparticles are dispersed in the sodium carboxymethylcellulose glue aqueous solution sufficiently dissolved, are avoided the occurrence of sodium carboxymethylcellulose and are not wrapped up Fe3O4The case where nanoparticles, leads to sodium carboxymethylcellulose residual in the environment, so that being unable to fully absorption Fe (III) ion.
Description
Technical field
The present invention relates to a kind of magnetic aqueous solutions and preparation method thereof, further relate to a kind of application of magnetic aqueous solution.
Background technique
Fe (III) ion is one of element necessary to organism as a kind of heavy metal being widely present in water body.Although
Country does not make clearly limitation specification to it, but is discharged to water body rich in the exceeded waste water of Fe (III) ion and will cause dissolution in water body
Oxygen reduces rapidly, water body is muddy, causes centainly to endanger to environment.The common method containing Fe (III) ion waste water of processing at present has:
UF membrane, neutralization precipitation, biological treatment etc..UF membrane is unfavorable for promoting due to high costs.Neutralisation is by adding alkali, shape
It is removed at ferric hydroxide precipitate, but will form iron containing sludge.Bioanalysis is to utilize the new at generation of itself by cultivating strain
Thank to effect removal Fe (III) ion, but step is complicated, it is with high costs.
Chinese patent CN105617977A discloses a kind of sodium carboxymethylcellulose MODIFIED Fe3O4The method of nanoparticles,
But sodium carboxymethylcellulose powder is directly directly added into Fe by this method proposition3O4In nanoparticles solution, due to carboxymethyl fibre
Tieing up the factors such as plain sodium is not easy to disperse in aqueous solution, mixing time is insufficient influences, and causes blending uneven, directly affects Fe
(III) adsorbance of ion.
Therefore, it is necessary to propose effective technical solution, solve the above problems.
Summary of the invention
The present invention in view of the above shortcomings of the prior art, provides a kind of magnetic aqueous solution and preparation method thereof.This method letter
List, mild condition, yield are high, and the product that this method obtains is uniform, has nanometer particle size.
The technical scheme to solve the above technical problems is that
A kind of preparation method of magnetism aqueous solution, includes the following steps:
(1) Fe is prepared3O4Nanoparticles: by FeCl3Solution and FeCl2Solution uniformly mixes, and reacts under alkaline condition
1~2h is separated through magnet, after washing, drying, obtains Fe3O4Nanoparticles；
(2) it prepares sodium carboxymethylcellulose glue aqueous solution: sodium carboxymethylcellulose powder is dissolved in deionized water,
Bath temperature is at the uniform velocity warming up to 50 DEG C and 50 DEG C of constant temperature is kept to stir 5~20h, after all dissolutions, obtains carboxymethyl cellulose
Plain sodium glue aqueous solution；
(3) magnetic aqueous solution is prepared: by Fe described in step (1)3O4Nanoparticles are added to carboxylic described in step (2)
In sodium carboxymethylcellulose pyce glue aqueous solution, stirring at normal temperature obtains magnetic aqueous solution.
Further, step (2) is described is dissolved in sodium carboxymethylcellulose powder in deionized water, specifically: 30
Sodium carboxymethylcellulose powder is dissolved in deionized water in batches in~120min.
Further, step (2) is described is dissolved in sodium carboxymethylcellulose powder in deionization, specifically: by carboxylic first
Base sodium cellulosate powder is uniformly divided into five batches, is uniformly added at a slow speed in 100g deionized water every 10min.
Further, the sodium carboxymethylcellulose powder and the mass ratio of deionized water are 1:100-2:100.
Further, the FeCl3Concentration of polymer solution is 0.2-0.3g/mL, the FeCl2Concentration of polymer solution is
0.05-0.1g/mL, the FeCl3FeCl in solution3With the FeCl2FeCl in solution2Molar ratio be 1:1-2:1.
Further, the Fe3O4The volume of the quality of nanoparticles and the sodium carboxymethylcellulose glue aqueous solution
Than for 1g:300mL-1g:2800mL.
The present invention also provides a kind of magnetic aqueous solutions being prepared using the above method.
The present invention also provides a kind of application of above-mentioned magnetic aqueous solution in sewage.
The utility model has the advantages that the Fe in the method for the present invention3O4Nanoparticles are dispersed in the carboxymethyl cellulose sufficiently dissolved
In sodium glue aqueous solution, avoids the occurrence of sodium carboxymethylcellulose and do not wrap up Fe3O4The case where nanoparticles, causes carboxymethyl fine
Plain sodium residual is tieed up in the environment, so that being unable to fully absorption Fe (III) ion.
Specific embodiment
The present invention relates to a kind of preparation methods of magnetic aqueous solution, prepare FeCl first3Solution and FeCl2Solution, Zhi Hou
Reaction obtains Fe under alkaline condition3O4Nanoparticles, finally by sodium carboxymethylcellulose glue aqueous solution and Fe3O4Nanometer
Grain object reaction, obtains uniformly mixed magnetic aqueous solution of the invention.The magnetism aqueous solution and Fe (III) ion in waste water are anti-
It should precipitate rapidly later, additional magnet is i.e. separable.Reaction step of the present invention is simple, mild condition, yield are high, avoids secondary dirt
The hidden danger of dye, is conducive to industrial production, can be used as a kind of novel solutions of Fe (III) ion in Adsorption waste water.
Wherein, the preparation method of sodium carboxymethylcellulose glue aqueous solution is important for magnetic aqueous solution of the invention
's.Fe in the method for the present invention3O4Nanoparticles are dispersed in the sodium carboxymethylcellulose glue aqueous solution sufficiently dissolved
In, it avoids the occurrence of sodium carboxymethylcellulose and does not wrap up Fe3O4The case where nanoparticles, causes sodium carboxymethylcellulose to remain in
In environment, so that being unable to fully absorption Fe (III) ion.The preparation method of sodium carboxymethylcellulose glue aqueous solution specifically: will
Sodium carboxymethylcellulose powder is uniformly divided into 3-5 batch, is uniformly added at a slow speed in 100g deionized water every 10min, water-bath temperature
Degree is at the uniform velocity warming up to 50 DEG C from 25 DEG C and maintains 50 DEG C of magnetic agitation 18h, and wherein magnetic agitation is to carboxymethyl cellulose of the present invention
The preparation of plain sodium glue aqueous solution is important, the sodium carboxymethylcellulose glue aqueous solution sufficiently dissolved.
Embodiment 1
By 27.03g FeCl3.6H2In the deionized water that O is dissolved in 100mL and temperature is 0 DEG C, under inert gas protection
Ultrasonic 20min, is made FeCl3Solution；By 9.94g FeCl2·4H2In the deionized water that O is dissolved in 100mL and temperature is 0 DEG C,
Ultrasound 20min under inert gas protection, is made FeCl2Solution；By aforementioned FeCl3Solution and FeCl2Solution uniformly mixes, and uses
The pH of mixed solution is adjusted to 9.0 by 2mol/L ammonia spirit, and stirring at normal temperature 1.5h is separated by solid-liquid separation with magnet, and uses clear water respectively
It flushes three times, is finally dried to obtain Fe3O4Nanoparticles；
1.5g sodium carboxymethylcellulose powder is uniformly divided into three parts, is uniformly added to 100g in three times at a slow speed every 10min
In clear water, bath temperature is at the uniform velocity warming up to 50 DEG C from 25 DEG C and maintains 50 DEG C of magnetic agitation 18h, obtains sodium carboxymethylcellulose
Gluey aqueous solution；The magnetic agitation is that magnetic rotor is at the uniform velocity stirred with 300rpm.
By 0.3g Fe obtained above3O4Nanoparticles are at the uniform velocity added in sodium carboxymethylcellulose glue aqueous solution, often
Temperature stirring 2h, Fe3O4Carboxyl on the iron ion and sodium carboxymethylcellulose on nanoparticles surface generates electrostatic interaction, makes
Fe3O4Nanoparticles are fully dispersed into sodium carboxymethylcellulose glue aqueous solution, obtain the magnetic aqueous solution of black.
Embodiment 2
Embodiment 2 is identical as the preparation method of embodiment 1.It the difference is that only, sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid are as follows: water-bath maintains 0 DEG C of magnetic agitation 18h.
Embodiment 3
Embodiment 3 is identical as the preparation method of embodiment 1.It the difference is that only, sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid are as follows: bath temperature is at the uniform velocity warming up to 10 DEG C from 0 DEG C and maintains 10 DEG C of magnetic agitation 18h.
Embodiment 4
Embodiment 4 is identical as the preparation method of embodiment 1.It the difference is that only, sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid are as follows: bath temperature is at the uniform velocity warming up to 25 DEG C from 0 DEG C and maintains 25 DEG C of magnetic agitation 18h.
Embodiment 5
Embodiment 5 is identical as the preparation method of embodiment 1.It the difference is that only, sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid are as follows: bath temperature maintains 25 DEG C of magnetic agitation 18h.
Embodiment 6
Embodiment 6 is identical as the preparation method of embodiment 1.It the difference is that only, sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid are as follows: bath temperature is at the uniform velocity warming up to 35 DEG C from 25 DEG C and maintains 35 DEG C of magnetic agitation 18h.
Embodiment 7
Embodiment 7 is identical as the preparation method of embodiment 1.It the difference is that only, sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid are as follows: 50 DEG C of magnetic agitation 18h of bath temperature.
Embodiment 8
Embodiment 8 is identical as the preparation method of embodiment 1.It the difference is that only, sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid are as follows: bath temperature is at the uniform velocity warming up to 75 DEG C from 50 DEG C and maintains 75 DEG C of magnetic agitation 18h.
Embodiment 9
Embodiment 9 is identical as the preparation method of embodiment 1.It the difference is that only, sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid are as follows: bath temperature is at the uniform velocity warming up to 100 DEG C from 50 DEG C and maintains 100 DEG C of magnetic agitation 18h.
Test example 1
Take the magnetic aqueous solution 10mL obtained according to the preparation method of embodiment 1, be added separately to 90mL containing 10mg/L,
In Fe (III) waste water of 20mg/L, 50mg/L, 100mg/L, 500mg/L, 1000mg/L, at the uniform velocity stirring 2min is separated with magnet
2min is stood, supernatant is obtained.
With the content of Fe (III) in ICP-AOS5000 type atomic absorption instrument test supernatant.Table 1 is that different Fe (III) is initial
Influence of the concentration to magnetic aqueous solution adsorbance of the invention.
By Fe in magnetic aqueous solution3O4The quality of nanoparticles, such as will be in 10mL magnetism aqueous solution as adsorbent mass
Fe3O4For the quality of nanoparticles as adsorbent mass (0.03g), formula is as follows:
Q=(CInitial concentration-CEquilibrium concentration)×0.1/0.03
Influence of 1 difference Fe (III) initial concentration of table to magnetic Nano material adsorption from aqueous solution amount
As shown in table 1, magnetic water-soluble with the continuous increase of Fe (III) initial concentration using isodose magnetism aqueous solution
The adsorption capacity of liquid also constantly increases.The magnetic aqueous solution adsorption capacity prepared using the method for the present invention is strong, and effect is obvious.
Test example 2
The magnetic aqueous solution 10mL obtained according to the preparation method of embodiment 1- embodiment 9 is taken, 100mL is added separately to and contains
In Fe (III) waste water of 900mg/L, at the uniform velocity stirring 2min is separated with magnet and stands 2min, obtains supernatant.Using test example 1
Detection method measures the content of Fe (III) in supernatant.Table 2 is the preparation temperature of different sodium carboxymethylcellulose glue aqueous solutions
To the influence table of magnetic Nano material adsorption from aqueous solution amount.
The preparation temperature of the different sodium carboxymethylcellulose glue aqueous solutions of table 2 inhales magnetic Nano material aqueous solution
The influence of attached amount
As seen from Table 2, it is said from energy-saving angle, embodiment 1 is that optimal sodium carboxymethylcellulose glue is water-soluble
The preparation temperature of liquid.When wherein temperature is less than 10, sodium carboxymethylcellulose is unable to fully dissolve when stirring 10h；100℃
When due to temperature it is too high, cause part sodium carboxymethylcellulose degrade, eventually lead to adsorbance reduction.
The present invention can be summarized with others without prejudice to the concrete form of spirit or essential characteristics of the invention.Therefore, nothing
By from the point of view of which point, the embodiment above of the invention can only all be considered the description of the invention and cannot limit this hair
Bright, claims indicate the scope of the present invention, and above-mentioned explanation does not point out the scope of the present invention, therefore, with this
Any change in the comparable meaning and scope of claims of invention is all considered as including in claim of the invention
In the range of book.
Claims (5)
1. a kind of preparation method of magnetism aqueous solution, which comprises the steps of:
(1) Fe is prepared3O4Nanoparticles: by FeCl3Solution and FeCl2Solution uniformly mixes, under alkaline condition react 1~
2h is separated through magnet, after washing, drying, obtains Fe3O4Nanoparticles；
(2) it prepares sodium carboxymethylcellulose glue aqueous solution: sodium carboxymethylcellulose powder is uniformly divided into 3-5 batch, every
10min is uniformly added at a slow speed in 100g deionized water, and the mass ratio of the sodium carboxymethylcellulose powder and deionized water is 1:
100-2:100；Bath temperature is at the uniform velocity warming up to 50 DEG C and 50 DEG C of constant temperature is kept to stir 5~20h, after all dissolutions, obtains
Sodium carboxymethylcellulose glue aqueous solution；
(3) magnetic aqueous solution is prepared: by Fe described in step (1)3O4Nanoparticles are added to carboxymethyl described in step (2)
In sodium cellulosate glue aqueous solution, stirring at normal temperature obtains magnetic aqueous solution.
2. the preparation method of magnetism aqueous solution as described in claim 1, which is characterized in that the FeCl3Concentration of polymer solution is
0.2-0.3g/mL, the FeCl2Concentration of polymer solution is 0.05-0.1g/mL, the FeCl3FeCl in solution3With it is described
FeCl2FeCl in solution2Molar ratio be 1:1-2:1.
3. the preparation method of magnetism aqueous solution as claimed in claim 2, which is characterized in that the Fe3O4The matter of nanoparticles
Amount and the volume ratio of the sodium carboxymethylcellulose glue aqueous solution are 1g:300mL-1g:2800mL.
4. a kind of magnetism aqueous solution, which is characterized in that the magnetism aqueous solution is according to magnetic as described in any one of claims 1-3
The preparation method of property aqueous solution obtains.
5. a kind of application of magnetic aqueous solution as claimed in claim 4 in sewage.
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| CN112892494A (en) * | 2021-02-24 | 2021-06-04 | 西安理工大学 | Preparation method of magnetically-modified ethyl cellulose adsorption material |
| CN113990644A (en) * | 2021-08-01 | 2022-01-28 | 北京工业大学 | Preparation method of micro-nano composite magnetic liquid for electromagnetic damping vibration attenuation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476043A (en) * | 2010-11-26 | 2012-05-30 | 中国科学院理化技术研究所 | Cellulose base/Fe3O4 composite adsorption material used for removing arsenic in water and preparation method thereof |
| WO2014189165A1 (en) * | 2013-05-23 | 2014-11-27 | Chang Hyong-Ku | Method for preparing slurry, paste, or gel for magnetic field color changing ink comprising processing aid |
| CN104941610A (en) * | 2015-06-09 | 2015-09-30 | 西安交通大学 | Preparation and application of magnetic hydrogel loaded with one-dimensional Fe3O4 nanocrystals |
| CN105561945A (en) * | 2016-03-13 | 2016-05-11 | 宿州学院 | Fiber-modified magnetic composite material and preparation method thereof |
| CN105617977A (en) * | 2016-02-29 | 2016-06-01 | 中国科学院东北地理与农业生态研究所 | Preparation method of Fe (III)-containing magnetic nano material |
-
2017
- 2017-04-17 CN CN201710250001.5A patent/CN106955675B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476043A (en) * | 2010-11-26 | 2012-05-30 | 中国科学院理化技术研究所 | Cellulose base/Fe3O4 composite adsorption material used for removing arsenic in water and preparation method thereof |
| WO2014189165A1 (en) * | 2013-05-23 | 2014-11-27 | Chang Hyong-Ku | Method for preparing slurry, paste, or gel for magnetic field color changing ink comprising processing aid |
| CN104941610A (en) * | 2015-06-09 | 2015-09-30 | 西安交通大学 | Preparation and application of magnetic hydrogel loaded with one-dimensional Fe3O4 nanocrystals |
| CN105617977A (en) * | 2016-02-29 | 2016-06-01 | 中国科学院东北地理与农业生态研究所 | Preparation method of Fe (III)-containing magnetic nano material |
| CN105561945A (en) * | 2016-03-13 | 2016-05-11 | 宿州学院 | Fiber-modified magnetic composite material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| Synthesis of core–shell structured Fe3O4@carboxymethyl cellulose magnetic composite for highly efficient removal of Eu(III);Yawen Cai;《CELLULOSE》;20161019;第24卷(第1期);第175页右栏第1段、第177页左栏第2段 |
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