CN115677110B - Magnetic starch hydrogel composite heavy metal adsorption equipment - Google Patents
Magnetic starch hydrogel composite heavy metal adsorption equipment Download PDFInfo
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- CN115677110B CN115677110B CN202211361124.3A CN202211361124A CN115677110B CN 115677110 B CN115677110 B CN 115677110B CN 202211361124 A CN202211361124 A CN 202211361124A CN 115677110 B CN115677110 B CN 115677110B
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 36
- 239000000017 hydrogel Substances 0.000 title claims abstract description 25
- 229920002472 Starch Polymers 0.000 title claims abstract description 24
- 239000008107 starch Substances 0.000 title claims abstract description 24
- 235000019698 starch Nutrition 0.000 title claims abstract description 24
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000003756 stirring Methods 0.000 claims abstract description 43
- 239000000945 filler Substances 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 15
- 238000004062 sedimentation Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 38
- 238000006386 neutralization reaction Methods 0.000 claims description 29
- 238000012856 packing Methods 0.000 claims description 24
- 238000001556 precipitation Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001223 reverse osmosis Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 239000003929 acidic solution Substances 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a magnetic starch hydrogel composite heavy metal adsorption device which comprises a device main body, wherein the device main body comprises a treatment box, a transition groove, a stirring groove, a driving mechanism, a third solution tank and a lifting mechanism, the top of one end of the device main body is provided with the treatment box, the bottom of the treatment box is communicated with the transition groove, one side of the transition groove is provided with a filler groove, one side of the filler groove is provided with the stirring groove, a first water pump is communicated with the first solution tank, the technical field of sewage treatment equipment is related, metal in water is primarily removed through magnetic starch particles of the treatment box, so that most of metal in water can be removed through the hydrogel of the filler box again, and finally, the flocculant added by a sedimentation tank is fully precipitated, so that heavy metal in water is fully removed.
Description
Technical Field
The invention relates to the technical field of sewage treatment devices, in particular to magnetic starch hydrogel composite heavy metal adsorption equipment.
Background
The heavy metals are widely and widely applied in human production and life, and can directly or indirectly enter the atmosphere, water body and soil, so that different heavy metal pollution exists in the environment, and the treatment of the heavy metal pollution is always one of the important points in the environmental protection research fields of various countries in order to reduce the harm of the heavy metals.
The hydrogel is a polymer material with a three-dimensional network structure through moderate crosslinking, and is widely applied to the fields of industry, agriculture, medicine, bioengineering materials and the like because of unique water absorption, water retention and bionic properties. In recent years, studies on hydrogels have attracted a great deal of attention in the field of water treatment. Researches show that the hydrogel has good adsorption performance and is applied to adsorption removal of heavy metal ions, organic pollutants, inorganic pollutants and the like in wastewater.
According to the application, fe3o4 nano particles are constructed on the surface of a starch base, so that the adsorption probability of metal ions in dye wastewater is increased, and the prepared starch-based Fe3o4 composite material has higher specific surface area, low toxicity and strong magnetic response to the heavy metal ions, can adsorb heavy metal cations in the dye wastewater on the surface, can realize the recovery and reutilization of the starch-based Fe3o4 composite material through a magnet, and has the advantages of low raw material cost, simple preparation and low recovery difficulty, so that the treatment cost can be reduced.
The prior art has the following defects:
Although the device can effectively remove most of heavy metals in water, the prepared starch is used as a metal removing method, so that the treatment method is too simple, and water with high heavy metal content in water can not be sufficiently removed, so that the device has limitation in use; the device structure is comparatively complicated to increase the probability that the part breaks down easily, the device occupation space is great simultaneously, is inconvenient for use in the less place in space.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides magnetic starch hydrogel composite heavy metal adsorption equipment, which solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the magnetic starch hydrogel composite heavy metal adsorption equipment comprises a device main body, wherein the device main body comprises a treatment box, a transition groove, a stirring groove, a driving mechanism, a third solution tank and a lifting mechanism, the top of one end of the device main body is provided with the treatment box, the bottom of the treatment box is communicated with the transition groove, and one side of the transition groove is provided with a filler groove;
the stirring tank is internally provided with three groups of stirring blades, the stirring blades are in transmission connection with the driving mechanism, the stirring tank is internally communicated with a first water pump through a pipeline, the first water pump is communicated with a first solution tank, and one end of the stirring tank is provided with a first PH value sensor;
the top of one end of the stirring tank is communicated with the precipitation tank, a spray head is arranged above the precipitation tank, the spray head is communicated with the second solution tank, and a neutralization tank is arranged on one side of the precipitation tank;
the neutralization tank is internally provided with a second water outlet hole, the second water outlet hole is communicated with a third solution tank through a second water pump, one end of the neutralization tank is provided with a second PH value sensor, and the top of one side of the neutralization tank is communicated with the top of the reverse osmosis filter.
Preferably, the three treatment boxes are arranged in a step-shaped row, and the top and the bottom of the treatment boxes are communicated with each other.
Preferably, a filler plate is arranged in the treatment box, magnetic starch particles are filled in the filler plate, and holes are formed in the filler plate.
Preferably, the bottom of the treatment box is communicated with the bottom of the filling tank, hydrogel is filled in the filling tank, the top of one side of the filling tank is communicated with the stirring tank, and a first water drain hole is arranged between the filling tank and the stirring tank.
Preferably, the first water drain hole is communicated with a first solution tank through a first water pump, and the interior of the first solution tank is filled with an acidic solution.
Preferably, the driving mechanism comprises a driving motor, a rotating shaft and a driving belt, wherein the driving motor is in transmission connection with the rotating shaft through the driving belt, and stirring blades are distributed outside one end of the rotating shaft.
Preferably, the second solution tank is internally filled with a flocculant, and the third solution tank is internally filled with an alkaline solution.
Preferably, the neutralization grooves are arranged in a continuous regular shape, a baffle is arranged between the neutralization grooves, and a groove is formed in the top of the baffle.
Preferably, the elevating system distributes in precipitation tank one side and neutralization tank one side, elevating system includes portal frame, electric telescopic handle, flashboard, portal frame bottom both ends are equipped with electric telescopic handle, electric telescopic handle is connected with the portal frame.
(III) beneficial effects
The invention provides magnetic starch hydrogel composite heavy metal adsorption equipment. The beneficial effects are as follows:
This compound heavy metal adsorption equipment of magnetism starch hydrogel through the combination each other of each part, carries out preliminary removal through the magnetism starch granule of handling the case to the metal in the water is got rid of once more through the hydrogel of packing case, makes the majority metal in the water can get rid of, fully deposits through the flocculating agent that the sedimentation tank added at last, thereby fully removes the heavy metal in the water, and the device simple structure, occupation of land is less, can effectively improve the effect of getting rid of the heavy metal.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a schematic view of the internal structure of the transition tank of the present invention;
fig. 6 is an enlarged schematic view of the structure of fig. 2a according to the present invention.
In the figure, 1, a device main body; 2. a treatment box; 201. a filler plate; 3. a transition groove; 4. a filler tank; 5. a first drain hole; 6. a stirring tank; 7. stirring the leaves; 8. a first solution tank; 9. a first water pump; 10. a first PH sensor; 11. a precipitation tank; 12. a second solution tank; 13. a spray head; 14. a neutralization tank; 15. a second pH sensor; 16. a reverse osmosis filter; 17. a driving mechanism; 171. a driving motor; 172. a rotating shaft; 173. a transmission belt; 18. a third solution tank; 19. a second water pump; 20. a second water outlet hole; 21. a baffle; 22. a lifting mechanism; 221. a portal frame; 222. an electric telescopic rod; 223. and a flashboard.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: the magnetic starch hydrogel composite heavy metal adsorption equipment comprises a device main body 1, wherein the device main body 1 comprises a treatment box 2, a transition groove 3, a stirring groove 6, a driving mechanism 17, a third solution tank 18 and a lifting mechanism 22, the top of one end of the device main body 1 is provided with the treatment box 2, the bottom of the treatment box 2 is communicated with the transition groove 3, and one side of the transition groove 3 is provided with a filler groove 4;
The stirring tank 6 is arranged at one side of the packing tank 4, three groups of stirring blades 7 are arranged in the stirring tank 6, the stirring blades 7 are in transmission connection with the driving mechanism 17, the inside of the stirring tank 6 is communicated with the first water pump 9 through a pipeline, the first water pump 9 is communicated with the first solution tank 8, and a first PH value sensor 10 is arranged at one end of the stirring tank 6;
The top of one end of the stirring tank 6 is communicated with the precipitation tank 11, a spray head 13 is arranged above the precipitation tank 11, the spray head 13 is communicated with the second solution tank 12, and a neutralization tank 14 is arranged on one side of the precipitation tank 11;
A second water outlet hole 20 is formed in the neutralization tank 14, the second water outlet hole 20 is communicated with a third solution tank 18 through a second water pump 19, a second PH value sensor 15 is arranged at one end of the neutralization tank 14, and the top of one side of the neutralization tank 14 is communicated with the top of the reverse osmosis filter 16;
the rivers are from top to bottom through a plurality of treatment boxes 2 to carry out preliminary removal aquatic heavy metal, and then preliminary treated water gets into packing groove 4, carries out further processing, and consequently the rivers of having handled get into stirred tank 6 from packing groove 4 one side top, discharge from reverse osmosis filter 16 after precipitation and acid-base neutralization, thereby carry out abundant getting rid of to aquatic heavy metal worker.
In the second embodiment, three treatment boxes 2 are arranged, and the three treatment boxes 2 are arranged in a ladder shape, and the top and the bottom of the treatment boxes 2 are mutually communicated, so that water flow can gradually permeate downwards through the top.
The treatment box 2 is internally provided with a packing plate 201, the inside of the packing plate 201 is filled with magnetic starch particles, the inside of the packing plate 201 is provided with holes, and heavy metals in water can be fully adsorbed through the packing plate 201, so that preliminary treatment is performed.
The treatment box 2 bottom is linked together with packing groove 4 bottom, packing groove 4 inside is filled with the hydrogel, packing groove 4 one side top and stirred tank 6 intercommunication, be equipped with first wash port 5 between packing groove 4 and stirred tank 6, the water after preliminary treatment enters into packing groove 4 to make the hydrogel adsorb the heavy metal in the water, thereby further processing.
The first water drain hole 5 is communicated with the first solution tank 8 through the first water pump 9, the first solution tank 8 is filled with an acidic solution, and the acidic solution in the first solution tank 8 is discharged out of the first water drain hole 5 through the first water pump 9 to be stirred with water.
The driving mechanism 17 comprises a driving motor 171, a rotating shaft 172 and a driving belt 173, the driving motor 171 is in transmission connection with the rotating shaft 172 through the driving belt 173, stirring blades 7 are distributed outside one end of the rotating shaft 172, the driving belt 173 is driven to rotate through the driving motor 171, the driving belt 173 can drive the rotating shaft 172 to rotate while rotating, and the rotating shaft 172 can drive the stirring blades 7 to rotate while rotating, so that water in the stirring tank 6 is stirred.
The second solution tank 12 is internally filled with a flocculant, the third solution tank 18 is internally filled with an alkaline solution, the flocculant in the second solution tank 12 is thrown into the precipitation tank 11, the flocculant can agglomerate and precipitate metal hydroxide suspended in water to the bottom of the precipitation tank 11, and then water at the upper layer can enter the neutralization tank 14 so as to be neutralized with alkaline solution in the third solution tank 18.
The neutralization tanks 14 are arranged in a continuous regular shape, a baffle 21 is arranged between the neutralization tanks 14, a groove is arranged at the top of the baffle 21, and water can be fully precipitated through the three neutralization tanks 14.
The lifting mechanism 22 is distributed on one side of the precipitation tank 11 and one side of the neutralization tank 14, the lifting mechanism 22 comprises a portal frame 221, electric telescopic rods 222 and flashboards 223, the electric telescopic rods 222 are arranged at two ends of the bottom of the portal frame 221, the electric telescopic rods 222 are connected with the portal frame 221, and the electric telescopic rods 222 extend upwards to drive the flashboards 223 to move upwards.
When the water treatment device is used, water flows through the treatment boxes 2 from top to bottom, holes are formed in the packing plate 201, heavy metals in the water can be fully adsorbed through the packing plate 201, so that the heavy metals in the water are primarily removed, and the primarily treated water enters the packing groove 4 for further treatment;
The treated water flow enters the stirring tank 6 from the top of one side of the packing tank 4, is discharged from the reverse osmosis filter 16 after precipitation and acid-base neutralization, so that heavy metals in the water are sufficiently removed, and the primarily treated water enters the packing tank 4, so that hydrogel can adsorb the heavy metals in the water, and further treatment is performed;
The treated water enters the stirring tank 6 from one side of the filling tank 4, the acid solution in the first solution tank 8 is discharged out of the first water discharge hole 5 through the first water pump 9 to be stirred with the water, the driving motor 171 drives the driving belt 173 to rotate, the driving belt 173 can drive the rotating shaft 172 to rotate while rotating, the rotating shaft 172 can drive the stirring blade 7 to rotate while rotating, so that the water in the stirring tank 6 is stirred, the water is monitored through the first PH value sensor 10, and the water stretches upwards through the electric telescopic rod 222 after reaching a specified value, so that the flashboard 223 is driven to move upwards, and the water flows into the precipitation tank 11;
Through throwing the flocculant in the second solution tank 12 into the precipitation tank 11, the flocculant can enable metal hydroxide suspended in water to aggregate and precipitate to the bottom of the precipitation tank 11, and then upper water can enter the neutralization tank 14 so as to be neutralized with alkali liquor in the third solution tank 18, the second PH value sensor 15 monitors, when the PH value is normal after full neutralization, the electric telescopic rod 222 stretches upwards, so that the flashboard 223 is driven to move upwards, and water flow is discharged through the reverse osmosis filter 16, so that heavy metals in water are fully removed.
The invention relates to a device main body 1; 2. a treatment box; 201. a filler plate; 3. a transition groove; 4. a filler tank; 5. a first drain hole; 6. a stirring tank; 7. stirring the leaves; 8. a first solution tank; 9. a first water pump; 10. a first PH sensor; 11. a precipitation tank; 12. a second solution tank; 13. a spray head; 14. a neutralization tank; 15. a second pH sensor; 16. a reverse osmosis filter; 17. a driving mechanism; 171. a driving motor; 172. a rotating shaft; 173. a transmission belt; 18. a third solution tank; 19. a second water pump; 20. a second water outlet hole; 21. a baffle; 22. a lifting mechanism; 221. a portal frame; 222. an electric telescopic rod; 223. the flashboard and the components are all general standard components or components known to the person skilled in the art, and the structure and the principle of the flashboard are all known to the person skilled in the art through technical manuals or through routine experimental methods.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A magnetism starch hydrogel complex heavy metal adsorption equipment, its characterized in that: the device comprises a device main body (1), wherein the device main body (1) comprises a treatment box (2), a transition groove (3), a stirring groove (6), a driving mechanism (17), a third solution tank (18) and a lifting mechanism (22), the treatment box (2) is installed at the top of one end of the device main body (1), the bottom of the treatment box (2) is communicated with the transition groove (3), and a packing groove (4) is arranged at one side of the transition groove (3);
The stirring device is characterized in that a stirring tank (6) is arranged on one side of the packing tank (4), three groups of stirring blades (7) are arranged in the stirring tank (6), the stirring blades (7) are in transmission connection with a driving mechanism (17), the inside of the stirring tank (6) is communicated with a first water pump (9) through a pipeline, the first water pump (9) is communicated with a first solution tank (8), and a first PH value sensor (10) is arranged at one end of the stirring tank (6);
the top of one end of the stirring tank (6) is communicated with the sedimentation tank (11), a spray head (13) is arranged above the sedimentation tank (11), the spray head (13) is communicated with the second solution tank (12), and a neutralization tank (14) is arranged on one side of the sedimentation tank (11);
a second water outlet hole (20) is formed in the neutralization tank (14), the second water outlet hole (20) is communicated with a third solution tank (18) through a second water pump (19), a second PH value sensor (15) is arranged at one end of the neutralization tank (14), and the top of one side of the neutralization tank (14) is communicated with the top of the reverse osmosis filter (16);
The three treatment boxes (2) are arranged in a stepped arrangement, and the top and the bottom of the treatment boxes (2) are communicated with each other;
A filler plate (201) is arranged in the treatment box (2), magnetic starch particles are filled in the filler plate (201), and holes are formed in the filler plate (201);
the second solution tank (12) is internally filled with a flocculant, and the third solution tank (18) is internally filled with an alkaline solution.
2. The magnetic starch hydrogel composite heavy metal adsorption equipment according to claim 1, wherein: the bottom of the treatment box (2) is communicated with the bottom of the packing groove (4), hydrogel is filled in the packing groove (4), one side top of the packing groove (4) is communicated with the stirring groove (6), and a first water drain hole (5) is formed between the packing groove (4) and the stirring groove (6).
3. The magnetic starch hydrogel composite heavy metal adsorption equipment according to claim 2, wherein: the first water drain hole (5) is communicated with the first solution tank (8) through a first water pump (9), and the first solution tank (8) is filled with an acidic solution.
4. The magnetic starch hydrogel composite heavy metal adsorption equipment according to claim 1, wherein: the driving mechanism (17) comprises a driving motor (171), a rotating shaft (172) and a driving belt (173), wherein the driving motor (171) is in transmission connection with the rotating shaft (172) through the driving belt (173), and stirring blades (7) are distributed outside one end of the rotating shaft (172).
5. The magnetic starch hydrogel composite heavy metal adsorption equipment according to claim 1, wherein: the neutralization tanks (14) are arranged in a continuous regular shape, a baffle (21) is arranged between the neutralization tanks (14), and a groove is formed in the top of the baffle (21).
6. The magnetic starch hydrogel composite heavy metal adsorption equipment according to claim 1, wherein: elevating system (22) distribute in precipitation tank (11) one side and neutralization tank (14) one side, elevating system (22) are including portal frame (221), electric telescopic handle (222), flashboard (223), portal frame (221) bottom both ends are equipped with electric telescopic handle (222), electric telescopic handle (222) are connected with portal frame (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211361124.3A CN115677110B (en) | 2022-11-02 | 2022-11-02 | Magnetic starch hydrogel composite heavy metal adsorption equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211361124.3A CN115677110B (en) | 2022-11-02 | 2022-11-02 | Magnetic starch hydrogel composite heavy metal adsorption equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN115677110A CN115677110A (en) | 2023-02-03 |
| CN115677110B true CN115677110B (en) | 2024-05-10 |
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| CN202211361124.3A Active CN115677110B (en) | 2022-11-02 | 2022-11-02 | Magnetic starch hydrogel composite heavy metal adsorption equipment |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2894639A1 (en) * | 2012-12-11 | 2014-06-19 | Sumitomo Metal Mining Co., Ltd. | Heavy-metal removal method and heavy-metal removal device |
| CN106902783A (en) * | 2017-04-20 | 2017-06-30 | 佛山慧创正元新材料科技有限公司 | A kind of preparation method of the starch hydrogel Compound Heavy Metals adsorbent containing magnetic |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743509A (en) * | 2019-12-10 | 2020-02-04 | 齐鲁工业大学 | Starch-based carbon composite material and application thereof in selective and efficient adsorption of mercury ions and methylene blue |
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- 2022-11-02 CN CN202211361124.3A patent/CN115677110B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2894639A1 (en) * | 2012-12-11 | 2014-06-19 | Sumitomo Metal Mining Co., Ltd. | Heavy-metal removal method and heavy-metal removal device |
| CN106902783A (en) * | 2017-04-20 | 2017-06-30 | 佛山慧创正元新材料科技有限公司 | A kind of preparation method of the starch hydrogel Compound Heavy Metals adsorbent containing magnetic |
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| CN115677110A (en) | 2023-02-03 |
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