CN109592766A - A kind of hyperbranched three-dimensional structure heavy metal chelating agent - Google Patents
A kind of hyperbranched three-dimensional structure heavy metal chelating agent Download PDFInfo
- Publication number
- CN109592766A CN109592766A CN201811593038.9A CN201811593038A CN109592766A CN 109592766 A CN109592766 A CN 109592766A CN 201811593038 A CN201811593038 A CN 201811593038A CN 109592766 A CN109592766 A CN 109592766A
- Authority
- CN
- China
- Prior art keywords
- heavy metal
- hyperbranched
- dimensional structure
- metal chelating
- chelating agent
- 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.)
- Pending
Links
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
- 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
- C02F1/547—Tensides
-
- 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
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)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The present invention provides a kind of preparation methods of hyperbranched three-dimensional structure heavy metal chelating agent, it is mainly synthesized by synthesizing polyamine compound, crosslinking agent, surfactant, epoxychloropropane and carbon disulfide, the present invention utilizes polyamine compound, under the action of crosslinking agent, surfactant and epoxychloropropane, hyperbranched high-molecular compound is generated, synthesizes the high molecular heavy metals agent for capturing in three-dimensional structure with carbon disulfide under alkaline condition.The preparation method reaction condition that the present invention implements hyperbranched three-dimensional structure heavy metal chelating agent is mild, production cost is low, the three-dimensional structure molecular weight being prepared is big, heavy metal chelating rate is high, sinking speed is fast, without carrying out secondary flocculation, the requirement of discharge standard for electroplating pollutants table 3 is fully achieved after heavy metal containing wastewater treatment.
Description
Technical field
The invention belongs to water treatment fields, and in particular, to a kind of hyperbranched three-dimensional structure heavy metal chelating agent.
Background technique
A large amount of industrial wastewaters can be generated in the industrial production activities of the mankind, in order to protect environment, avoid water pollution, greatly
Effluent part can all carry out discharge or reuse up to standard by processing.Many electroplating industries, electronics industry, metal smelt, rubbish are burnt
Burn factory, mining plants, printed circuit version manufactory etc. can discharge in process of production containing plurality of heavy metal ion for example cadmium, chromium, copper,
The waste water of lead, mercury, nickel, silver, zinc etc. not only constitutes a threat to aquatile after the waste water containing heavy metal is discharged into natural water body, and
And may be constantly enriched in organism by food chain, finally jeopardize the health of the mankind.
Heavy metal containing wastewater treatment conventional method mainly includes chemical precipitation method, the heavy metal chelating agent precipitation method, ion exchange
Method, active carbon adsorption etc..Compared to ion-exchange and active carbon adsorption, the heavy metal chelating agent precipitation method are thrown with equipment
Enter few, handles high efficiency and the advantages such as at low cost, be widely used in heavy metal containing wastewater treatment industry.Currently, in practical study application
More heavy metal chelating agent is mainly DTC class.
But currently, various industrial wastewaters are difficult to reach plating dirt by adjusting heavy metal chelating agent prescription and treatment process
The requirement of object discharge standard table 3 is contaminated, is badly in need of development of new heavy metal chelating agent, meets industry requirement.
Summary of the invention
The present invention is in view of the above problems and insufficient, provides a kind of hyperbranched three-dimensional structure heavy metal chelating agent
Preparation method.
The present invention provides a kind of hyperbranched three-dimensional structure heavy metal chelating agents, which is characterized in that by following parts by weight
The component of ratio is fabricated:
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., above-mentioned polyamine compound is in polyethylenediamine, polyetherimide, polyimides, polyethyleneimine, polyacrylamide
One or more.
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., above-mentioned crosslinking agent is selected from one of melamine, three (2- aminoethyl) amine.
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., one or more of above-mentioned Anionic Surfactant surfactant.
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., above-mentioned surfactant is neopelex, calcium dodecyl benzene sulfonate, cetyl trimethylammonium bromide, ten
One or more of sodium dialkyl sulfate and sodium taurocholate.
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., above-mentioned organic sulfur compound is selected from disulphide or polysulfide.
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., specifically preparation method is as follows:
Step 1: sequentially adding polyamine compound, crosslinking agent, surfactant and water under conditions of 40-50 DEG C；
Step 2: being added dropwise and epoxychloropropane being added in 3-4 hours, reacts 0.5-3 hours, generate hyperbranched high score
Sub- compound；
Solution is transferred to alkalinity Step 3: continuously adding pH adjusting agent；
Step 4: system is cooled to 20-25 DEG C, and it is added dropwise in 10-60min and carbon disulfide is added.
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., the mass parts ratio of above-mentioned water and polyamine compound is 100-150:50-150.
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., above-mentioned pH adjusting agent is selected from inorganic base.Such as: the hydroxide or oxide of alkali or alkaline earth metal.Specifically such as: hydroxide
Sodium, potassium hydroxide, lime etc..
Further, a kind of hyperbranched three-dimensional structure heavy metal chelating agent provided by the invention, also has a characteristic that
I.e., the molar concentration of above-mentioned pH adjusting agent is 0.5-2mol/L.
The function and effect of the present invention:
The preparation method reaction condition of hyperbranched three-dimensional structure heavy metal chelating agent of the invention is mild, and production cost is low,
The three-dimensional structure molecular weight being prepared is big, and heavy metal chelating rate is high, and sinking speed is fast, without carrying out secondary flocculation, heavy metal
The requirement of discharge standard for electroplating pollutants table 3 is fully achieved after wastewater treatment.
Specific embodiment
Embodiment 1
The hyperbranched three-dimensional structure heavy metal chelating agent that the present embodiment 1 refers to, is separately added into polyethylene under the conditions of 40 DEG C
Diamines, melamine, neopelex and water, mass ratio 50:10:1:150, are then added dropwise in 3h
The epoxychloropropane that mass ratio is 50 reacts 0.5 hour, generates hyperbranched high-molecular compound, is added final concentration of
Solution is transferred to alkaline state pH=8-10 by the sodium hydrate aqueous solution of 0.1mol/L, and temperature is dropped to 20-25 DEG C, and
The carbon disulfide that mass ratio is 15 is added dropwise in 30min, reaction synthesis is in the high molecular heavy metals agent for capturing of three-dimensional structure.Make
It, being capable of single treatment, that is, complete qualified discharge after the hyperbranched three-dimensional structure heavy metal chelating agent processing heavy metal wastewater thereby.
Embodiment 2
The hyperbranched three-dimensional structure heavy metal chelating agent that the present embodiment 2 refers to, is separately added into polyethers acyl under the conditions of 50 DEG C
Imines, three (2- aminoethyl) amine, cetyl trimethylammonium bromide and water, mass ratio 150:15:2:150 then exist
The epoxychloropropane that mass ratio is 100 is added dropwise in 3h, reacts 1 hour, generates hyperbranched high-molecular compound, be added eventually
Concentration is that solution is transferred to alkaline state by the sodium hydrate aqueous solution of 0.1mol/L, temperature is dropped to 20-25 DEG C, and in 60min
The carbon disulfide that mass ratio is 25 is inside added dropwise, reaction synthesis is in the high molecular heavy metals agent for capturing of three-dimensional structure.Use this
It, being capable of single treatment, that is, complete qualified discharge after hyperbranched three-dimensional structure heavy metal chelating agent processing heavy metal wastewater thereby.
Embodiment 3
The hyperbranched three-dimensional structure heavy metal chelating agent that the present embodiment 3 refers to, is separately added into polypropylene under the conditions of 45 DEG C
Amide, melamine, calcium dodecyl benzene sulfonate and water, mass ratio 100:15:1.5:120, then in 3.5h by
It is added dropwise to the epoxychloropropane that mass ratio is 100, reacts 1.5 hours, generates hyperbranched high-molecular compound, final concentration is added
Solution is transferred to alkaline state for the potassium hydroxide aqueous solution of 0.15mol/L, temperature is dropped to 20-25 DEG C, and in 10min by
It is added dropwise to the carbon disulfide that mass ratio is 20, reaction synthesis is in the high molecular heavy metals agent for capturing of three-dimensional structure.Use the over-expense
It, being capable of single treatment, that is, complete qualified discharge after changing three-dimensional structure heavy metal chelating agent processing heavy metal wastewater thereby.
Embodiment 4
The hyperbranched three-dimensional structure heavy metal chelating agent that the present embodiment 4 refers to is separately added into polyamides Asia under the conditions of 50 DEG C
Amine, polyethyleneimine, crosslinking agent, surfactant and water, mass ratio 50:75:10:2:150, then in 4h dropwise
The epoxychloropropane that mass ratio is 100 is added, reacts 3 hours, generates hyperbranched high-molecular compound, be added final concentration of
Solution is transferred to alkaline state by the lime aqueous solution of 0.2mol/L, temperature is dropped to 20-25 DEG C, and be added dropwise in 40min
The carbon disulfide that mass ratio is 25, reaction synthesis are in the high molecular heavy metals agent for capturing of three-dimensional structure.Use the hyperbranched three-dimensional
It, being capable of single treatment, that is, complete qualified discharge after structure heavy metal chelating agent handles heavy metal wastewater thereby.
Claims (10)
1. a kind of hyperbranched three-dimensional structure heavy metal chelating agent, which is characterized in that by the component manufacture of following weight fraction ratio
At:
2. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, it is characterised in that:
The polyamine compound is selected from polyethylenediamine, polyetherimide, polyimides, polyethyleneimine, polyacrylamide
One or more of.
3. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, it is characterised in that:
The crosslinking agent is selected from one of melamine, three (2- aminoethyl) amine.
4. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, it is characterised in that:
One or more of described Anionic Surfactant surfactant.
5. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, it is characterised in that:
The surfactant is neopelex, calcium dodecyl benzene sulfonate, cetyl trimethylammonium bromide, ten
One or more of sodium dialkyl sulfate and sodium taurocholate.
6. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, it is characterised in that:
The organic sulfur compound is selected from disulphide or polysulfide.
7. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, which is characterized in that specific preparation method
It is as follows:
Step 1: sequentially adding polyamine compound, crosslinking agent, surfactant and water under conditions of 40-50 DEG C；
Step 2: being added dropwise and epoxychloropropane being added in 3-4 hours, reacts 0.5-3 hours, generate hyperbranched producing high-molecular
Close object；
Solution is transferred to alkalinity Step 3: continuously adding pH adjusting agent；
Step 4: system is cooled to 20-25 DEG C, and it is added dropwise in 10-60min and carbon disulfide is added.
8. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, it is characterised in that:
The mass parts ratio of the water and polyamine compound is 100-150:50-150.
9. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, it is characterised in that:
The pH adjusting agent is selected from inorganic base.
10. a kind of hyperbranched three-dimensional structure heavy metal chelating agent as described in claim 1, it is characterised in that:
The molar concentration of the pH adjusting agent is 0.5-2mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593038.9A CN109592766A (en) | 2018-12-25 | 2018-12-25 | A kind of hyperbranched three-dimensional structure heavy metal chelating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593038.9A CN109592766A (en) | 2018-12-25 | 2018-12-25 | A kind of hyperbranched three-dimensional structure heavy metal chelating agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109592766A true CN109592766A (en) | 2019-04-09 |
Family
ID=65963376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811593038.9A Pending CN109592766A (en) | 2018-12-25 | 2018-12-25 | A kind of hyperbranched three-dimensional structure heavy metal chelating agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109592766A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115584568A (en) * | 2022-10-26 | 2023-01-10 | 浙江加佳领带服装有限公司 | Heat-preservation antibacterial cloth and preparation method thereof |
| CN115651104A (en) * | 2022-10-28 | 2023-01-31 | 武汉理工大学 | Heavy metal stabilizer and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314492A (en) * | 2007-05-29 | 2008-12-03 | 陈德琪 | Method for preparing novel remover for heavy metal ion and application thereof |
| CN104192968A (en) * | 2014-08-28 | 2014-12-10 | 中山市宏科化工有限公司 | Hyperbranched heavy metal capturing agent and preparation method thereof |
| CN106986432A (en) * | 2017-04-21 | 2017-07-28 | 南京新循环保科技有限公司 | Heavy metal chelating agent |
-
2018
- 2018-12-25 CN CN201811593038.9A patent/CN109592766A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314492A (en) * | 2007-05-29 | 2008-12-03 | 陈德琪 | Method for preparing novel remover for heavy metal ion and application thereof |
| CN104192968A (en) * | 2014-08-28 | 2014-12-10 | 中山市宏科化工有限公司 | Hyperbranched heavy metal capturing agent and preparation method thereof |
| CN106986432A (en) * | 2017-04-21 | 2017-07-28 | 南京新循环保科技有限公司 | Heavy metal chelating agent |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115584568A (en) * | 2022-10-26 | 2023-01-10 | 浙江加佳领带服装有限公司 | Heat-preservation antibacterial cloth and preparation method thereof |
| CN115584568B (en) * | 2022-10-26 | 2023-07-07 | 浙江加佳领带服装有限公司 | Heat-preserving antibacterial cloth and preparation method thereof |
| CN115651104A (en) * | 2022-10-28 | 2023-01-31 | 武汉理工大学 | Heavy metal stabilizer and preparation method and application thereof |
| CN115651104B (en) * | 2022-10-28 | 2024-02-13 | 武汉理工大学 | Heavy metal stabilizer and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101555077B (en) | Method for treating highly concentrated ammonian wastewater with poor biodegradability by using a multiple-technique combination | |
| CN104591435B (en) | A kind of processing method of industrial wastewater | |
| CN101428933B (en) | Biological agent cooperated hydrolyzation-blowing off treatment process for nickel-ammonia wastewater | |
| CN109592766A (en) | A kind of hyperbranched three-dimensional structure heavy metal chelating agent | |
| JP2005533910A (en) | Heavy metal chelate compound containing a kind of chitosan derivative and its use | |
| CN110835130A (en) | Heavy metal ion trapping agent and preparation method thereof | |
| CN113788593B (en) | Method for cooperatively treating arsenic-containing waste liquid by using sulfate reducing bacteria and lead-zinc smelting slag | |
| CA2440917A1 (en) | Electrochemical treatment of ammonia in waste-water | |
| CN106977013B (en) | Purification treatment method of high-chlorine thallium-containing wastewater and application thereof | |
| CN103495589B (en) | A kind of plating waste residue recoverying and utilizing method | |
| CN110818128A (en) | Method for deeply removing thallium from high-ammonia-nitrogen and high-COD wastewater | |
| CN104556463A (en) | Chromium and nickel wastewater treatment method | |
| CN109704974A (en) | A kind of heavy metal chelant and its preparation method and application | |
| CN109133408A (en) | The minimizing technology of heavy metal chromium in a kind of process hides chromate waste water | |
| CN108069562B (en) | A kind of integrated conduct method and device of selenium-containing wastewater | |
| CN104261585A (en) | Method for treating metallurgy wastewater and recycling resources | |
| CN107244725A (en) | A kind of heavy metal chelating agent | |
| CN103030205B (en) | Method for preparing dangerous heavy metal removing agent in electroplating wastewater and application thereof | |
| CN109502726A (en) | A kind of preparation method of efficient heavy chelating agent | |
| CN105712570A (en) | Processing method of high concentration selenium-containing wastewater | |
| CN102964006A (en) | Method for removing cadmium in sewage | |
| CN105565455A (en) | Method for treating heavy metal waste water with inorganic flocculant | |
| Smol | Phosphorus extraction and sludge dissolution | |
| CN107500394A (en) | Method for treating water based on Compositional type heavy metal chelant | |
| CN105712569A (en) | Deep processing method of selenium containing wastewater |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190409 |