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 PDF

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Publication number
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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CN
China
Prior art keywords
parts
metal ion
chitin modified
flyash
modified metal
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Pending
Application number
CN201810721313.4A
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Chinese (zh)
Inventor
许其飞
杜垚
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NANJING SHUNYE ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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NANJING SHUNYE ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Priority to CN201810721313.4A priority Critical patent/CN109019809A/en
Publication of CN109019809A publication Critical patent/CN109019809A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16Nature 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

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  • 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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Water Treatment By Sorption (AREA)
  • Manufacture And Refinement Of Metals (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

A kind of chitin modified metal ion capturing agent and preparation method thereof
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.
CN201810721313.4A 2018-07-03 2018-07-03 A kind of chitin modified metal ion capturing agent and preparation method thereof Pending CN109019809A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101130523A (en) * 2007-08-27 2008-02-27 山东轻工业学院 Method for preparing melamine hexa-acetic acid chelating agent
CN103613183A (en) * 2013-11-28 2014-03-05 昆山新江化工材料有限公司 Preparation method of novel and efficient heavy metal ion catching agent
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101130523A (en) * 2007-08-27 2008-02-27 山东轻工业学院 Method for preparing melamine hexa-acetic acid chelating agent
CN103613183A (en) * 2013-11-28 2014-03-05 昆山新江化工材料有限公司 Preparation method of novel and efficient heavy metal ion catching agent
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

Cited By (1)

* Cited by examiner, † Cited by third party
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