CN109019809A - A kind of chitin modified metal ion capturing agent and preparation method thereof - Google Patents
A kind of chitin modified metal ion capturing agent and preparation method thereof Download PDFInfo
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- CN109019809A CN109019809A CN201810721313.4A CN201810721313A CN109019809A CN 109019809 A CN109019809 A CN 109019809A CN 201810721313 A CN201810721313 A CN 201810721313A CN 109019809 A CN109019809 A CN 109019809A
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- metal ion
- chitin modified
- flyash
- modified metal
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- 229920002101 Chitin Polymers 0.000 title claims abstract description 27
- 229910021645 metal ion Inorganic materials 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 239000010881 fly ash Substances 0.000 claims abstract description 27
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 25
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920001661 Chitosan Polymers 0.000 claims abstract description 18
- AAJRIJBGDLLRAE-UHFFFAOYSA-M sodium;butoxymethanedithioate Chemical compound [Na+].CCCCOC([S-])=S AAJRIJBGDLLRAE-UHFFFAOYSA-M 0.000 claims abstract description 17
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims abstract description 12
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims abstract description 12
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000012153 distilled water Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- RZFBEFUNINJXRQ-UHFFFAOYSA-M sodium ethyl xanthate Chemical compound [Na+].CCOC([S-])=S RZFBEFUNINJXRQ-UHFFFAOYSA-M 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- LLJZKKVYXXDWTB-UHFFFAOYSA-N acetic acid;sodium Chemical compound [Na].[Na].CC(O)=O LLJZKKVYXXDWTB-UHFFFAOYSA-N 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract description 4
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 4
- 150000002500 ions Chemical class 0.000 abstract description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 5
- 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 description 5
- 229960001484 edetic acid Drugs 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IRDQNLLVRXMERV-UHFFFAOYSA-N CCCC[Na] Chemical compound CCCC[Na] IRDQNLLVRXMERV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
Classifications
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of chitin modified metal ion capturing agent and preparation method thereof, agent for capturing includes the component of following parts by weight meter: 60~100 parts of disodium ethylene diamine tetraacetate, 10~30 parts of chitosan, 3~5 parts of Cyanuric Chloride, 3~5 parts of flyash, 10~20 parts of polyethylene glycol, 10~40 parts of sodium n-butyl xanthate, 100~200 parts of water.Preparation method is as follows: disodium ethylene diamine tetraacetate and chitosan being placed in addition distilled water stirring and dissolving in reaction kettle, control reaction temperature is 40-60 DEG C, adds Cyanuric Chloride, and reaction 30-60min is mixed；Flyash, polyethylene glycol, sodium n-butyl xanthate are added at 40-50 DEG C and is stirred to react 30-60min.The present invention has good effect of settling by chitin modified heavy metal ion agent for capturing, and the rate of deposition of copper can be made to be up to 93%, greatly improve the resource utilization of decoating liquid.
Description
Technical field
The invention belongs to field of waste water treatment more particularly to a kind of chitin modified metal ion capturing agent and its preparation sides
Method.
Background technique
Decoating liquid is the one layer of particulate metal or metallics coating of various platings on the surface of the workpiece can be passed through leaching
The modes such as bubble, heating, ultrasonic wave, electrolysis effectively remove, and to workpiece ground without dissolution, corrosion-free, non-discolouring chemical liquid.
The technology of the copper wire nitric acid strip waste liquid of processing plating both at home and abroad mainly has chemical precipitation method, electrolysis method, resin at present
Exchange process, evaporation concentration method and membrane separation process etc..Dosage is big in chemical precipitation method treatment process, causes a large amount of Treatment of Sludge
It is costly；Electrolysis method, resins exchange and UF membrane cost of investment are big, and pretreatment is at high cost, complicated for operation；Evaporation concentration method energy consumption
Height, complex treatment process.
Application No. is the Chinese patent application of CN201010296621.0 disclose a kind of nitric acid deplating liquid regeneration method and
The oxalic acid of predetermined amount is added in the strip waste liquid containing copper nitrate, filters after being stirred to react for system, collects filtrate, obtains containing nitre
The decoating liquid of acid.The nitric acid deplating liquid regeneration method of the embodiment of the present invention, does not generate the substance of pollution environment, and this method is last
Product can reuse or as the raw material of industry, and productivity effect is high.
Summary of the invention
The present invention in order to solve problems in the prior art, provides a kind of chitin modified metal ion capturing agent and its system
Preparation Method can be such that the rate of deposition of copper increases, greatly improve the resource utilization of decoating liquid.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme:
A kind of chitin modified metal ion capturing agent, the component including following parts by weight meter: disodium ethylene diamine tetraacetate
60~100 parts, 10~30 parts of chitosan, 3~5 parts of Cyanuric Chloride, 3~5 parts of flyash, 10~20 parts of polyethylene glycol, butyl sodium
10~40 parts of xanthate, 100~200 parts of water.
Preferably, the chitin modified metal ion capturing agent, the component including following parts by weight meter: ethylenediamine
80 parts of tetraacethyl disodium, 20 parts of chitosan, 4 parts of Cyanuric Chloride, 4 parts of flyash, 15 parts of polyethylene glycol, 20 parts of sodium n-butyl xanthate,
150 parts of water.
Preferably, the chitin modified metal ion capturing agent, the component including following parts by weight meter: ethylenediamine
70 parts of tetraacethyl disodium, 17 parts of chitosan, 3 parts of Cyanuric Chloride, 5 parts of flyash, 12 parts of polyethylene glycol, 20 parts of sodium n-butyl xanthate,
180 parts of water.
Preferably, the polyethylene glycol relative molecular weight is in 4000-5000.
Preferably, the fineness of the flyash is 20-40.
The preparation method of above-mentioned chitin modified metal ion capturing agent, comprising the following steps: by ethylenediamine tetra-acetic acid two
Sodium and chitosan are placed in addition distilled water stirring and dissolving in reaction kettle, and control reaction temperature is 40-60 DEG C, add three polychlorostyrene
Reaction 30-60min is mixed in cyanogen；Flyash, polyethylene glycol, sodium n-butyl xanthate are added at 40-50 DEG C and is stirred to react 30-
60min.
Preferably, the mixing speed is in 400-1000r/min.
The present invention has good effect of settling by chitin modified heavy metal ion agent for capturing, can make the heavy of copper
Shallow lake rate is up to 93%, greatly improves the resource utilization of decoating liquid.
Specific embodiment
The present invention is further described in detail combined with specific embodiments below.
Embodiment 1
A kind of chitin modified metal ion capturing agent, the component including following parts by weight meter: disodium ethylene diamine tetraacetate
80 parts, 20 parts of chitosan, 4 parts of Cyanuric Chloride, 4 parts of flyash, 15 parts of polyethylene glycol, 20 parts of sodium n-butyl xanthate, 150 parts of water.
The polyethylene glycol relative molecular weight is in 4000-5000.
The fineness of the flyash is 20-40.
The preparation method of above-mentioned chitin modified metal ion capturing agent, comprising the following steps: by ethylenediamine tetra-acetic acid two
Sodium and chitosan are placed in addition distilled water stirring and dissolving in reaction kettle, and control reaction temperature is 40-60 DEG C, add three polychlorostyrene
Reaction 40min is mixed in cyanogen；Flyash, polyethylene glycol, sodium n-butyl xanthate are added at 40-50 DEG C and is stirred to react 50min,
?.The mixing speed is 600r/min.
Embodiment 2
A kind of chitin modified metal ion capturing agent, the component including following parts by weight meter: disodium ethylene diamine tetraacetate
60 parts, 10 parts of chitosan, 3 parts of Cyanuric Chloride, 3 parts of flyash, 10 parts of polyethylene glycol, 10 parts of sodium n-butyl xanthate, 100 parts of water.
The polyethylene glycol relative molecular weight is in 4000-5000.
The fineness of the flyash is 20-40.
The preparation method of above-mentioned chitin modified metal ion capturing agent, comprising the following steps: by ethylenediamine tetra-acetic acid two
Sodium and chitosan are placed in addition distilled water stirring and dissolving in reaction kettle, and control reaction temperature is 40-60 DEG C, add three polychlorostyrene
Reaction 30min is mixed in cyanogen；Flyash, polyethylene glycol, sodium n-butyl xanthate are added at 40-50 DEG C and is stirred to react 30min,
?.The mixing speed is 1000r/min.
Embodiment 3
A kind of chitin modified metal ion capturing agent, the component including following parts by weight meter: disodium ethylene diamine tetraacetate
100 parts, 30 parts of chitosan, 5 parts of Cyanuric Chloride, 5 parts of flyash, 20 parts of polyethylene glycol, 40 parts of sodium n-butyl xanthate, 200 parts of water.
The polyethylene glycol relative molecular weight is in 4000-5000.
The fineness of the flyash is 20-40.
The preparation method of above-mentioned chitin modified metal ion capturing agent, comprising the following steps: by ethylenediamine tetra-acetic acid two
Sodium and chitosan are placed in addition distilled water stirring and dissolving in reaction kettle, and control reaction temperature is 40-60 DEG C, add three polychlorostyrene
Reaction 60min is mixed in cyanogen；Flyash, polyethylene glycol, sodium n-butyl xanthate are added at 40-50 DEG C and is stirred to react 30min,
?.The mixing speed is 400r/min.
Embodiment 4
A kind of chitin modified metal ion capturing agent, the component including following parts by weight meter: disodium ethylene diamine tetraacetate
70 parts, 17 parts of chitosan, 3 parts of Cyanuric Chloride, 5 parts of flyash, 12 parts of polyethylene glycol, 20 parts of sodium n-butyl xanthate, 180 parts of water.
The polyethylene glycol relative molecular weight is in 4000-5000.
The fineness of the flyash is 20-40.
The preparation method of above-mentioned chitin modified metal ion capturing agent, comprising the following steps: by ethylenediamine tetra-acetic acid two
Sodium and chitosan are placed in addition distilled water stirring and dissolving in reaction kettle, and control reaction temperature is 40-60 DEG C, add three polychlorostyrene
Reaction 50min is mixed in cyanogen；Flyash, polyethylene glycol, sodium n-butyl xanthate are added at 40-50 DEG C and is stirred to react 50min,
?.The mixing speed is 500r/min.
Reference examples 1
Same as Example 1, difference is: non-shell adding glycan is modified.
A kind of metal ion capturing agent, the component including following parts by weight meter: 80 parts of disodium ethylene diamine tetraacetate, three polychlorostyrene
4 parts of cyanogen, 4 parts of flyash, 15 parts of polyethylene glycol, 20 parts of sodium n-butyl xanthate, 150 parts of water.
The polyethylene glycol relative molecular weight is in 4000-5000.
The fineness of the flyash is 20-40.
The preparation method of above-mentioned metal ion capturing agent, comprising the following steps: disodium ethylene diamine tetraacetate is placed in reaction
Distilled water stirring and dissolving is added in kettle, control reaction temperature is 40-60 DEG C, adds Cyanuric Chloride, reaction is mixed
40min；Flyash, polyethylene glycol, sodium n-butyl xanthate are added at 40-50 DEG C and is stirred to react 50min.The stirring
Speed is 600r/min.
Waste nitric acid decoating liquid is added in heavy metal ion agent for capturing made from embodiment 1-4 and reference examples 1-2, is made wherein
Cu crystallized and be precipitated with salt, filtering obtains mantoquita, returns to strip process after filtrate is then formulated.Final result is as follows:
Table
| The rate of deposition % of copper | |
| Embodiment 1 | 93 |
| Embodiment 2 | 92 |
| Embodiment 3 | 91 |
| Embodiment 4 | 92 |
| Reference examples 1 | 76 |
As seen from the above table, there is good effect of settling by chitin modified heavy metal ion agent for capturing, can makes
The rate of deposition of copper is up to 93%, greatly improves the resource utilization of decoating liquid.
The above, preferable specific embodiment only of the invention, the scope of protection of the present invention is not limited to this, any ripe
Know those skilled in the art within the technical scope of the present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are fallen within the protection scope of the present invention.
Claims (7)
1. a kind of chitin modified metal ion capturing agent, which is characterized in that the component including following parts by weight meter: ethylenediamine tetraacetic
60~100 parts of acetic acid disodium, 10~30 parts of chitosan, 3~5 parts of Cyanuric Chloride, 3~5 parts of flyash, polyethylene glycol 10~20
Part, 10~40 parts of sodium n-butyl xanthate, 100~200 parts of water.
2. chitin modified metal ion capturing agent according to claim 1, which is characterized in that including following parts by weight meter
Component: 80 parts of disodium ethylene diamine tetraacetate, 20 parts of chitosan, 4 parts of Cyanuric Chloride, 4 parts of flyash, 15 parts of polyethylene glycol, fourth
20 parts of base sodium xanthate, 150 parts of water.
3. chitin modified metal ion capturing agent according to claim 1, which is characterized in that including following parts by weight meter
Component: 70 parts of disodium ethylene diamine tetraacetate, 17 parts of chitosan, 3 parts of Cyanuric Chloride, 5 parts of flyash, 12 parts of polyethylene glycol, fourth
20 parts of base sodium xanthate, 180 parts of water.
4. chitin modified metal ion capturing agent according to claim 1 or 2 or 3, which is characterized in that the poly- second two
Alcohol relative molecular mass is in 4000-5000.
5. chitin modified metal ion capturing agent according to claim 1 or 2 or 3, which is characterized in that the flyash
Fineness be 20-40.
6. based on a kind of preparation method of chitin modified metal ion capturing agent described in claim 1, which is characterized in that packet
It includes following steps: disodium ethylene diamine tetraacetate and chitosan is placed in addition distilled water stirring and dissolving in reaction kettle, control reaction
Temperature is 40-60 DEG C, adds Cyanuric Chloride, and reaction 30-60min is mixed；Flyash, poly- second are added at 40-50 DEG C
Glycol, sodium n-butyl xanthate are stirred to react 30-60min.
7. the preparation method of chitin modified metal ion capturing agent according to claim 6, which is characterized in that described
Mixing speed is in 400-1000r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810721313.4A CN109019809A (en) | 2018-07-03 | 2018-07-03 | A kind of chitin modified metal ion capturing agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810721313.4A CN109019809A (en) | 2018-07-03 | 2018-07-03 | A kind of chitin modified metal ion capturing agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109019809A true CN109019809A (en) | 2018-12-18 |
Family
ID=65521597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810721313.4A Pending CN109019809A (en) | 2018-07-03 | 2018-07-03 | A kind of chitin modified metal ion capturing agent and preparation method thereof |
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| Country | Link |
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| CN (1) | CN109019809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677214A (en) * | 2018-07-09 | 2018-10-19 | 南京舜业环保科技有限公司 | A kind of the copper retracting device and recovery method of nitric acid deplating liquid |
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| US20160068410A1 (en) * | 2014-11-23 | 2016-03-10 | Soheil Bahrebar | Cleaning water using chitosan |
| CN106824104A (en) * | 2017-01-04 | 2017-06-13 | 华中科技大学 | A kind of compound heavy metal absorbent and preparation method thereof |
| CN107311248A (en) * | 2017-07-19 | 2017-11-03 | 湖南沃邦环保科技有限公司 | A kind of electroplating wastewater with heavy metal ions processing inorganic agent and preparation method thereof |
| CN107879457A (en) * | 2017-11-20 | 2018-04-06 | 湖南金裕环保科技有限公司 | Heavy metal ion agent for capturing, its preparation method and application method |
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2018
- 2018-07-03 CN CN201810721313.4A patent/CN109019809A/en active Pending
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|---|---|---|---|---|
| CN101130523A (en) * | 2007-08-27 | 2008-02-27 | 山东轻工业学院 | Method for preparing melamine hexa-acetic acid chelating agent |
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| US20160068410A1 (en) * | 2014-11-23 | 2016-03-10 | Soheil Bahrebar | Cleaning water using chitosan |
| CN106824104A (en) * | 2017-01-04 | 2017-06-13 | 华中科技大学 | A kind of compound heavy metal absorbent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677214A (en) * | 2018-07-09 | 2018-10-19 | 南京舜业环保科技有限公司 | A kind of the copper retracting device and recovery method of nitric acid deplating liquid |
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Application publication date: 20181218 |