CN107983309A - A kind of mercapto-modified nano ferriferrous oxide and its preparation method and application - Google Patents
A kind of mercapto-modified nano ferriferrous oxide and its preparation method and application Download PDFInfo
- Publication number
- CN107983309A CN107983309A CN201711094480.2A CN201711094480A CN107983309A CN 107983309 A CN107983309 A CN 107983309A CN 201711094480 A CN201711094480 A CN 201711094480A CN 107983309 A CN107983309 A CN 107983309A
- Authority
- CN
- China
- Prior art keywords
- mercapto
- ferriferrous oxide
- nano ferriferrous
- modified nano
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
-
- 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
-
- 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
Abstract
The present invention provides a kind of mercapto-modified nano ferriferrous oxide and its preparation method and application, is related to environmental protection technical field.A kind of preparation method of mercapto-modified nano ferriferrous oxide, preparation process is simple, of low cost, and controllability is strong, and reaction time is short.A kind of mercapto-modified nano ferriferrous oxide, is prepared by the preparation method of above-mentioned mercapto-modified nano ferriferrous oxide.Size is small, and specific surface area is big, good to the absorption property of metal, reduces processing cost.
Description
Technical field
The present invention relates to environmental protection technical field, and more particularly to a kind of mercapto-modified nano ferriferrous oxide and its
Preparation method and application.
Background technology
With the rapid advances of modern processing industry, heavy metal pollution is also skyrocketed through therewith.Electroplating industry, electronics industry,
Use rapid growth of all kinds of processing industries such as textile industry, petrochemical industry to metals such as copper.The copper of general water body intermediate ion state is easy
Precipitated under the conditions of alkalescence and meta-alkalescence, sludge is turned to from water body.But in processing industry, often there is the thing of complicated complex state
Matter, the most it is apparent that electroplating wastewater, contains substantial amounts of copper ion complex compound in electroplating wastewater, if without appropriate processing just
Directly discharge, will necessarily be to ecological environment, or even huge threat and influence are caused on our human bodies itself.Copper in waste water and
Many complexing agents, reducing agent all easily form stable complex state material, therefore general chemical precipitation method is difficult to have it
Effect processing is up to standard.
The content of the invention
It is an object of the invention to provide a kind of preparation method of mercapto-modified nano ferriferrous oxide, prepared by this method
Technique is simple, and controllability is strong, and reaction time is short.
Another object of the present invention is to provide a kind of mercapto-modified nano ferriferrous oxide, size is small, specific surface area
Greatly, it is good to the absorption property of metal.
A further object of the present invention is in the answering in waste water is administered in the above-mentioned mercapto-modified nano ferriferrous oxide of offer
With.
The present invention is solved its technical problem and is realized using following technical scheme.
The present invention proposes a kind of preparation method of mercapto-modified nano ferriferrous oxide, including：In basic solvent, adopt
With the secondary amine at carbon disulfide substituted ethylene amine both ends, intermediate product is generated；Under the action of dichloroethanes, intermediate product polymerize simultaneously
It is attached to the surface of nano ferriferrous oxide；Preferably, vinylamine includes tetraethylenepentamine, triethylene tetramine, pentaethylene hexamine
In one kind.
The present invention proposes a kind of mercapto-modified nano ferriferrous oxide, by above-mentioned mercapto-modified nano ferriferrous oxide
Preparation method be prepared.
The beneficial effect of the embodiment of the present invention is：
A kind of mercapto-modified nano ferriferrous oxide provided by the invention and its preparation method and application, with existing length
Chain material tetraethylenepentamine is basic carbon skeleton, in alkaline conditions by carbon disulfide grafting synthesis on Long carbon chain, so that
To mercapto functional group, the macromolecular Long carbon chain magnetic product with sulfydryl is made.Chelating bond energy between sulfydryl and metal ion is strong, can
With by adsorbing the metal ion in water so that it is removed；Absorption of the sulfydryl for metal at the same time has non-selective.Pass through
Modified magnetic ferroso-ferric oxide, effectively lifts the solid-liquid separation efficiency of pollutant.The class microballoon synthesized after modified with mercapto group
Grain, size is small, and specific surface area is big, good to the absorption property of metal, can directly settle without adding flocculant, reduction is processed into
This, and solid-liquid separation efficiency is effectively improved by magnetic separation method.This method preparation process is simple, and reactions steps are easy, reaction week
Phase is shorter, of low cost, and controllability is strong.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of scope.For those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the reaction process figure of mercapto-modified nano ferriferrous oxide provided in an embodiment of the present invention；
Fig. 2 is the infrared spectrogram of mercapto-modified nano ferriferrous oxide provided in an embodiment of the present invention；
Fig. 3 (a), the scanning electron microscope (SEM) photograph that (b) is mercapto-modified nano ferriferrous oxide provided in an embodiment of the present invention；
Fig. 4 is the transmission electron microscope picture of mercapto-modified nano ferriferrous oxide provided in an embodiment of the present invention.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer, is the conventional production that can be obtained by commercially available purchase
Product.
Below to a kind of mercapto-modified nano ferriferrous oxide of the embodiment of the present invention and its preparation method and application into
Row illustrates.
A kind of preparation method of mercapto-modified nano ferriferrous oxide provided in an embodiment of the present invention, including：
Fig. 1 is refer to, in basic solvent, substitution occurs for secondary amine and the carbon disulfide at long-chain liquid ethylene amine both ends instead
Should, generate soluble organic matter；In the present invention, linear ethylene amine includes tetraethylenepentamine, triethylene tetramine, five ethene six
One kind in amine, is modified long chain vinyl amine using carbon disulfide, carbon-sulfur bond is generated in the carbochain of long chain vinyl amine.The present invention
In, vinylamine is tetraethylenepentamine, and using 95% ethanol solution as solvent, pH adjusting agent is used as by the use of sodium hydroxide
The pH value of solvent is adjusted, in other embodiments of the invention, other reagents can be selected, the present invention does not limit it.
Specifically, fixing multifunctional reactor and three-necked flask with reaction kettle with iron stand, iron shelf, burnt to three mouthfuls
1/2 solvent is poured into bottle, opens the motor of linkage reaction kettle, adjusting rotating speed is 200rpm.PH value tune is weighed with assay balance
Agent is saved, prepares the aqueous solution of 40wt%, is added in three-necked flask.Tetraethylenepentamine is measured, is added while stirring in three-necked flask,
After addition, 1/2 solvent is added.Wherein, the molar ratio of solvent and tetraethylenepentamine is 1:2~4, pH adjusting agent with
The mass ratio of tetraethylenepentamine is 5~7:1.
Carbon disulfide is measured, is added slowly in tetraethylenepentamine.Preferably, pears type separatory funnel can be used, speed is added dropwise
Spend for 2~3 drops/s.When stirring reaction 1~2 is small under conditions of 18~22 DEG C, the liquid containing intermediate product is obtained.Wherein,
The molar ratio of carbon disulfide and tetraethylenepentamine is 1:2~4.
Intermediate product is under the action of dichloroethanes, and polymerization obtains Long carbon chain polymer, which is attached to nanometer four
The surface of Fe 3 O, obtains modified nano ferriferrous oxide.
Specifically, measuring dichloroethanes, it is slowly added dropwise into the above-mentioned liquid containing intermediate product.Preferably, using pears
Dichloroethanes is added dropwise in type separatory funnel, and drop rate be 1~2 drop/s, and the molar ratio of tetraethylenepentamine and dichloroethanes is 1:1~
3.While being added dropwise, nano ferriferrous oxide is added by several times into aforesaid liquid.Preferably, by the time added in three times
Add, the mass ratio of tetraethylenepentamine and ferroso-ferric oxide is 2:1~3.The Adding Way make it that the polymer of generation is fully attached
In the surface of nano ferriferrous oxide, adsorption efficiency of the mercapto-modified nano ferriferrous oxide to metal made from enhancing.
When isothermal reaction 2~4 is small under conditions of 45~55 DEG C, black solid and yellow liquid mixed serum are obtained.
Mixed serum is filtered, filter residue is positioned in vacuum drying chamber, dry 2 under conditions of being 35~45 DEG C in temperature
~4 it is small when, obtain black solid material, be mercapto-modified nano ferriferrous oxide, pack with being preserved in vacuum drying chamber.
Compared with the existing methods, without adding dispersant, crosslinking agent, reactions steps are easy for the preparation method, reaction week
Phase is shorter, of low cost, and reaction controllability is strong.
The present invention provides a kind of mercapto-modified nano ferriferrous oxide, and three are aoxidized by above-mentioned mercapto-modified nanometer four
The preparation method of iron is made.It is small by mercapto-modified nano ferriferrous oxide size made from above-mentioned preparation method, than
Surface area is big, good to the absorption property of metal, can directly settle without adding flocculant, reduce processing cost, and pass through magnetic
Partition method effectively improves solid-liquid separation efficiency.
Preferably complex state in decontamination sewage is removed since above-mentioned mercapto-modified nano ferriferrous oxide has pollutant
The ability of heavy metal, present invention also offers application of the above-mentioned mercapto-modified nano ferriferrous oxide in waste water is administered.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment
A kind of mercapto-modified nano ferriferrous oxide is present embodiments provided, is mainly prepared by the following method：
Multifunctional reactor and three-necked flask with reaction kettle are fixed with iron stand, iron shelf, is fallen into three-necked flask
Enter the ethanol solution of 50mL 95%, open the motor of linkage reaction kettle, adjusting rotating speed is 200rpm.With accurately analyzing
Balance weighs 12.00g sodium hydroxides, is dissolved in 18mL distilled water, is configured to sodium hydroxide solution, is poured into three-necked flask.
19mL tetraethylenepentamine solution is measured, stirs while pour into three-necked flask, finally adds the anhydrous second of 66mL 95%
Alcoholic solution, the amount of ethanol solution and the molar ratio of tetraethylenepentamine are 1:3.
18mL carbon disulfide is measured, the molar ratio with tetraethylenepentamine is 1:3, pour into pear shape separatory funnel.Adjustment is added dropwise
2~3 drops of speed/s, are slowly added to.When stirring reaction 1.5 is small in 20 DEG C of thermostat water bath, orange-yellow liquid is obtained.Instead
After answering 1.5h, 16mL dichloroethanes is measured, the molar ratio with tetraethylenepentamine is 1:2, equally pour into pear shape separatory funnel, adjust
1~2 drop of flow velocity/s is added dropwise in section, is slowly added into three-necked flask.While dichloroethanes is added dropwise, divide equally by the time added
Common 2g nano ferriferrous oxides are added three times.Be heated to 50 DEG C, in thermostat water bath react 3 it is small when, obtain black solid and
Yellow liquid mixed serum.
Mixed serum is filtered with filter paper, and flask and filter paper are together positioned in vacuum drying chamber, 40 DEG C of design temperature, is dried
It is dry 3 it is small when, obtain black solid material, pack and preserved in vacuum drying chamber.
Test example 1
Elemental analysis is carried out to end-product made from embodiment, it is as a result as follows：
1 elemental analysis of table
| Element | C | H | N | S | Other |
| Percentage % | 23.92 | 3.56 | 10.02 | 20.42 | 42.08 |
As shown in Table 1, the molecular formula of synthetic product is C14H25N5S4Na2·Fe3O4, tentatively show that mercapto groups have been grafted
Synthesis is on Long carbon chain.
Test example 2
Examination of infrared spectrum is carried out to end-product made from embodiment, the result is shown in Fig. 2.Analysis chart 2, mercapto functional group is red
Characteristic absorption peak on external spectrum is weaker, though it is not easy to be detected, in 2600~2900cm-1Wave band occurs faint
Characteristic absorption peak.Meanwhile CN singly-bounds, CS double bonds, CH singly-bounds are respectively in 1495m-1、1063cm-1、2923cm-1Place is shown substantially
Characteristic absorption peak.Therefore, with reference to elemental analysis as a result, the result inferred is identical with the product of Fig. 1, it is known that end-product is sulfydryl
The nano ferriferrous oxide of modification.
Test example 3
Morphology analysis is carried out to end-product made from embodiment, Electronic Speculum test is scanned respectively and transmission electron microscope is surveyed
Examination, the result is shown in Fig. 3 and Fig. 4.From Fig. 3 (a), (b) and Fig. 4, end-product size is small, and homogeneity is good, and specific surface area is big, shape
For microballoon.
Test example 4
Choose the mercapto-modified nano ferriferrous oxide that embodiment provides and carry out EDTA-Cu simulated wastewater adsorption experiments.
1) influences of the pH to mercapto-modified nano ferriferrous oxide adsorption effect
Part 100mL simulated wastewaters water sample of fetching is loaded in 150mL beakers, is adjusted pH value 3,5,7,9,11 and 12 respectively, is put
It is placed in six mixers.Then the mercapto-modified nano ferriferrous oxide 1g (excess) of embodiment offer is separately added into burning
In cup, adjusting speed of agitator is 200rpm, reaction time 15min；Then, toward addition 20mg/L aluminium polychlorides in beaker
(PAC), speed of agitator 70rpm, reaction time 2min；Then, then toward addition 1mg/L polyacrylamides (PAM) in beaker, stir
Mix rotating speed is 70rpm, reaction time 2min.After question response, beaker is positioned over room temperature in magnetic separator and stands 30min, is taken
Supernatant measures content of beary metal.Measurement result is as follows：
2 measurement result of table
| Content of beary metal (mg/L) | |
| Raw water | 11.9892 |
| 3 | 3.8992 |
| 5 | 0.3057 |
| 7 | 0.1730 |
| 9 | 0.4703 |
| 11 | 0.7091 |
| 12 | 1.3142 |
2) influence of the dosage to mercapto-modified nano ferriferrous oxide adsorption effect
Part 100mL simulated wastewaters water sample fetch in 150mL beakers, it is 7 to adjust pH value, weighs what embodiment provided respectively
Mercapto-modified nano ferriferrous oxide 100mg, 500mg, 1g, 1.5g and 2g are positioned in six mixers in beaker, are adjusted
Section speed of agitator is 200rpm, reaction time 15min；Then, toward adding 20mg/L PAC, speed of agitator 70rpm in beaker,
Reaction time 2min；Then, then toward adding 1mg/L PAM, speed of agitator 70rpm, reaction time 2min in beaker.Question response
After, beaker is positioned over room temperature in magnetic separator and stands 30min, takes supernatant to measure content of beary metal.Measurement result is such as
Under：
3 measurement result of table
| Content of beary metal (mg/L) | |
| Raw water | 11.9892 |
| 100mg | 10.2176 |
| 500mg | 7.8783 |
| 1000mg | 1.3972 |
| 1500mg | 0.0987 |
| 2000mg | 0.1023 |
3) influence of the reaction time to mercapto-modified nano ferriferrous oxide adsorption effect
Part 100mL simulated wastewaters water sample fetch in 150mL beakers, it is 7 to adjust pH value, weighs the sulfydryl that embodiment provides
The nano ferriferrous oxide 1.5g of modification is positioned in six mixers in beaker, and adjusting speed of agitator is 200rpm, reaction
Time is 1min, 2min, 3min, 4min, 5min, 10min, 15min and 20min；Then, toward adding 20mg/L in beaker
PAC, speed of agitator 70rpm, reaction time 2min；Then, then toward addition 1mg/L PAM, speed of agitator in beaker it is
70rpm, reaction time 2min.After question response, beaker is positioned over room temperature in magnetic separator and stands 30min, takes supernatant
Measure content of beary metal.Measurement result is as follows：
4 measurement result of table
| Content of beary metal (mg/L) | |
| Raw water | 11.9892 |
| 1min | 1.3347 |
| 2min | 0.2031 |
| 3min | 0.1422 |
| 4min | 0.1260 |
| 5min | 0.0806 |
| 10min | 0.0905 |
| 15min | 0.0954 |
| 20min | 0.0885 |
4) under the conditions of individually adding, influence of the different magnetic separation times to mercapto-modified nano ferriferrous oxide adsorption effect
Part 100mL simulated wastewaters water sample fetch in 150mL beakers, it is 7 to adjust pH value, weighs the sulfydryl that embodiment provides
The nano ferriferrous oxide 1.5g of modification is positioned in six mixers in beaker, and adjusting speed of agitator is 200rpm, reaction
Time 5min；Then, beaker is positioned in magnetic separator, under room temperature distinguish magnetic separation 2min, 4min, 6min, 8min, 10min,
12min, 15min, 20min and 30min, take supernatant to measure content of beary metal.Measurement result is as follows：
5 measurement result of table
In conclusion the mercapto-modified nano ferriferrous oxide that embodiment provides is to EDTA-Cu complex copper simulated wastewaters
Optimal adsorption remove condition be：
6 optimum condition of table
| pH | Dosage | Reaction time | The magnetic separation time |
| 7 | 1.5g | 5min | 6min |
Under conditions of PAC and PAM is not added additionally, the mercapto-modified nano ferriferrous oxide that embodiment provides is to useless
The eliminating rate of absorption of low-concentration EDTA-Cu complex compounds can reach 99% in water.Experimental result illustrates that the mercapto-modified of synthesis is received
Rice ferroso-ferric oxide has stronger Adsorption effect to the complex state metal pollutant in water, to the Adsorption concentration of copper
Three standard of table of the special emission limit of Water in Guangdong Province pollutant can be reached (total copper is 0.3mg/L).
In conclusion a kind of mercapto-modified nano ferriferrous oxide provided by the invention and its preparation method and application,
Using existing long-chain material tetraethylenepentamine as basic carbon skeleton, in alkaline conditions by carbon disulfide grafting synthesis in Long carbon chain
On, so as to obtain mercapto functional group, the macromolecular Long carbon chain magnetic product with sulfydryl is made.Chelating between sulfydryl and metal ion
Bond energy is strong, can be by adsorbing the metal ion in water so that it is removed；Absorption of the sulfydryl for metal at the same time has non-choosing
Selecting property.Pass through the solid-liquid separation efficiency of modified magnetic ferroso-ferric oxide, effectively lifting pollutant.Synthesized after modified with mercapto group
Class microsphere particle, size is small, and specific surface area is big, good to the absorption property of metal, can directly settle without adding flocculant, drop
Reduction process cost, and solid-liquid separation efficiency is effectively improved by magnetic separation method.This method preparation process is simple, reactions steps letter
Just, reaction time is shorter, of low cost, and controllability is strong.
Embodiments described above is part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
- A kind of 1. preparation method of mercapto-modified nano ferriferrous oxide, it is characterised in that including：In basic solvent, adopt With the secondary amine at carbon disulfide substituted ethylene amine both ends, intermediate product is generated；Under the action of dichloroethanes, the intermediate product gathers Merge the surface for being attached to nano ferriferrous oxide；Preferably, including in tetraethylenepentamine, triethylene tetramine, pentaethylene hexamine One kind.
- 2. the preparation method of mercapto-modified nano ferriferrous oxide according to claim 1, it is characterised in that also wrap Include：After the intermediate product polymerize and is attached to the surface of the nano ferriferrous oxide, filtration product is simultaneously dried in vacuo.
- 3. the preparation method of mercapto-modified nano ferriferrous oxide according to claim 1 or 2, it is characterised in that institute It is tetraethylenepentamine to state vinylamine, in basic solvent, the carbon disulfide is added in the tetraethylenepentamine, 18~22 Reaction is stirred under conditions of DEG C.
- 4. the preparation method of mercapto-modified nano ferriferrous oxide according to claim 3, it is characterised in that described four The molar ratio of five amine of ethene and the carbon disulfide is 1:2~4.
- 5. the preparation method of mercapto-modified nano ferriferrous oxide according to claim 3, it is characterised in that by described in Dichloroethanes, the ferroso-ferric oxide add to the intermediate product successively, are reacted under conditions of 45~55 DEG C.
- 6. the preparation method of mercapto-modified nano ferriferrous oxide according to claim 5, it is characterised in that described four The molar ratio of five amine of ethene and the dichloroethanes is 1:1~3.
- 7. the preparation method of mercapto-modified nano ferriferrous oxide according to claim 6, it is characterised in that described four The mass ratio of five amine of ethene and the ferroso-ferric oxide is 2:1~3.
- 8. the preparation method of mercapto-modified nano ferriferrous oxide according to claim 7, it is characterised in that the alkali Property solvent and the tetraethylenepentamine molar ratio be 1:2~4.
- 9. a kind of mercapto-modified nano ferriferrous oxide, it is characterised in that by such as claim 1~8 any one of them mercapto The preparation method of the nano ferriferrous oxide of base modification is prepared.
- 10. application of the mercapto-modified nano ferriferrous oxide in waste water is administered as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094480.2A CN107983309B (en) | 2017-11-08 | 2017-11-08 | Sulfydryl modified nano ferroferric oxide and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094480.2A CN107983309B (en) | 2017-11-08 | 2017-11-08 | Sulfydryl modified nano ferroferric oxide and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107983309A true CN107983309A (en) | 2018-05-04 |
| CN107983309B CN107983309B (en) | 2020-07-14 |
Family
ID=62030727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094480.2A Active CN107983309B (en) | 2017-11-08 | 2017-11-08 | Sulfydryl modified nano ferroferric oxide and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107983309B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479206A (en) * | 2019-09-29 | 2019-11-22 | 合肥海关技术中心 | A kind of preparation method of the mercapto-modified magnetic Nano material for Adsorption of Mercury |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020187501A1 (en) * | 2001-01-26 | 2002-12-12 | Mingxian Huang | Microdevices having a preferential axis of magnetization and uses thereof |
| CN103241776A (en) * | 2012-02-11 | 2013-08-14 | 中国科学院合肥物质科学研究院 | Ferroferric oxide nano-composite particle and preparation method and applications thereof |
| CN105983391A (en) * | 2015-02-06 | 2016-10-05 | 武汉中地金盾环境科技有限公司 | Magnetic solid organic sulfur adsorbent granular material containing organic sulfur adsorption group and preparation method thereof |
-
2017
- 2017-11-08 CN CN201711094480.2A patent/CN107983309B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020187501A1 (en) * | 2001-01-26 | 2002-12-12 | Mingxian Huang | Microdevices having a preferential axis of magnetization and uses thereof |
| CN103241776A (en) * | 2012-02-11 | 2013-08-14 | 中国科学院合肥物质科学研究院 | Ferroferric oxide nano-composite particle and preparation method and applications thereof |
| CN105983391A (en) * | 2015-02-06 | 2016-10-05 | 武汉中地金盾环境科技有限公司 | Magnetic solid organic sulfur adsorbent granular material containing organic sulfur adsorption group and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| SHENGDONG PAN ET AL.: "Surface mercapto engineered magnetic Fe3O4 nanoadsorbent for the removal of mercury from aqueous solutions", 《JOURNAL OF COLLOID AND INTERFACE SCIENCE》 * |
| 严苹方 等: "巯基重金属捕集剂脱除电镀废水中低浓度Ni的效能及机理研究", 《环境科学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479206A (en) * | 2019-09-29 | 2019-11-22 | 合肥海关技术中心 | A kind of preparation method of the mercapto-modified magnetic Nano material for Adsorption of Mercury |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107983309B (en) | 2020-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lugo-Lugo et al. | A comparative study of natural, formaldehyde-treated and copolymer-grafted orange peel for Pb (II) adsorption under batch and continuous mode | |
| CN105498783B (en) | Fe3O4/CeO2Nanocomposite, preparation method and applications | |
| CN112082980B (en) | Preparation method of carbon dot-based ion imprinting fluorescence sensor | |
| CN103212365A (en) | Sulfydryl-ferrum composite and modified clay and preparation method thereof | |
| CN108579671A (en) | It is a kind of to be used for heavy metal ion adsorbed carbon quantum dot and its preparation method and application | |
| CN108404982A (en) | A kind of carbonitride load type nano gold catalyst and preparation method by poly-dopamine reduction | |
| CN114854405B (en) | Multi-emission fluorescent carbon dot and preparation method and application thereof | |
| CN108722344A (en) | It is a kind of to load nano zero-valence iron-copper bi-metal molecular sieve, preparation method and its application of dephosphorization | |
| CN110237854A (en) | A kind of method of FeBC amorphous alloy class Fenton catalytic degradation methylene blue sewage | |
| Wang et al. | A label-free detection of diethylstilbestrol based on molecularly imprinted polymer-coated upconversion nanoparticles obtained by surface grafting | |
| CN105771912A (en) | Multifunctional biological adsorbent and preparation method thereof | |
| CN107983309A (en) | A kind of mercapto-modified nano ferriferrous oxide and its preparation method and application | |
| CN110639481A (en) | Method for preparing polypyrrole and mesoporous molecular sieve composite material | |
| CN110117054A (en) | A kind of chelating decolorization flocculation agent and preparation method thereof | |
| CN111135797B (en) | Thiolactic acid green rust-doped geopolymer adsorbent and preparation method and application thereof | |
| CN107970879A (en) | A kind of Metaporous silicon dioxide material of surface in situ modification polyquaternary amine functional group and its preparation method and application | |
| CN106925225A (en) | A kind of functional mesoporous adsorbent of molecular sieve of histidine and its application in the treatment of waste water | |
| CN116904190A (en) | Fluorescent probe capable of simultaneously detecting hexavalent chromium and ascorbic acid and preparation method and application thereof | |
| Chinigar et al. | Boron/Nitrogen Co-doped carbon quantum dots as a high sensitive and selective fluorescent sensor for PO 4 3-detection. | |
| Wang et al. | Ganoderma lucidum bran-derived blue-emissive and green-emissive carbon dots for detection of copper ions | |
| CN112794619A (en) | Chemical reagent adding quantification method for improving dewatering property of old sludge | |
| CN106946333B (en) | Heavy metal flocculant and preparation method thereof | |
| Li et al. | Preparation of fly ash based adsorbents for removal active red X-3B from dying wastewater | |
| Bombos et al. | Removing of pollutants from catalytic cracking wastewater by oxidation with nanostructured catalysts | |
| Qiao et al. | Iron (Ⅲ)-modified resin YZS60 combined with laser-induced fluorescence spectra for the detection of phosphorus after solid-phase extraction in aqueous solutions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |