CN103993347A - Treatment and recycling method for nickel-containing wastewater - Google Patents
Treatment and recycling method for nickel-containing wastewater Download PDFInfo
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- CN103993347A CN103993347A CN201410110873.8A CN201410110873A CN103993347A CN 103993347 A CN103993347 A CN 103993347A CN 201410110873 A CN201410110873 A CN 201410110873A CN 103993347 A CN103993347 A CN 103993347A
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- nickel
- waste water
- state nickel
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- free state
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Abstract
A treatment and recycling method for nickel-containing wastewater comprises free nickel recovery, complex nickel recovery and impurity removal of nickel salt. the free nickel recovery refers to removing impurities in the free nickel-containing wastewater by a security filter, introducing the waste water with impurity removed into a free nickel ion recovery machine and collecting a free nickel analytical concentrate and free nickel wastewater. The complex nickel recovery refers to removing impurities in the complex nickel-containing wastewater by a security filter, introducing the waste water with impurity removed into a complex nickel ion recovery machine and collecting a complex nickel analytical concentrate and complex nickel wastewater. Impurity removal of nickel salt comprises the following steps: 1) removing organic light agents and additives in the free nickel analytical concentrate or the complex nickel concentrate by an active filter; and 2) adding the free nickel or nickel complex analytic concentrate with organic light agent removed into an electrolytic cell, and conducting electrolysis to remove trace impurities and metal ions.
Description
Technical field
The present invention relates to the method for wastewater treatment, relate in particular to the treatment process of nickel-containing waste water.
Background technology
The usage quantity of nickel in plating is quite large, probably has: single nickel salt, nickelous chloride, nickelous carbonate etc. on the compound market of nickel salt.Nickel salt selecting in nickel plating technology is also quite flexible, different nickel plating technologies is exactly different type selecting, common nickel plating technology has in bright nickel plating, half light nickel, chemical nickel plating (different energising), pearl nickel and removes nickel, and some variegated nickel salts that also contain secondly, as rifle look etc.
In the middle of existing waste water control, by these nickel, be that water focuses on, chemical precipitation or ion-exchange are reclaimed, or employing RO membrane concentration method, effect is all unsatisfactory, because in every in electroplating there is very large difference in nickel salt and nickel plating technology, as: the nickel salt in chemical nickel rifle look is exactly to be present in liquid with complicated complex state, and containing the nickel of these complex states, depending merely on common method is bad processing, the precipitator method are invalid to the nickel of complex state, can not the lumping together of ion exchange method complex state.
Summary of the invention
The main technical problem to be solved in the present invention is, a kind of method of processing and reuse of nickel-containing waste water is provided, and the nickel in waste water can be recycled through processing, and reduces processing cost.
The less important technical problem that the present invention will solve is, a kind of method of processing and reuse of nickel-containing waste water is provided, and the waste water that makes to process becomes the pure water that workshop can reuse.
In order to solve above-mentioned technical problem, the invention provides a kind of method of processing and reuse of nickel-containing waste water, be divided into the recovery of free state nickel, the recovery of complex state nickel, nickel salt removal of impurities;
Wherein, the key step that described free state nickel reclaims is:
1) waste water containing free state nickel is removed by filter described containing the impurity in the waste water of free state nickel through security personnel;
2) the described waste water that contains free state nickel of removing impurity is passed into free state nickel ion recycling machine, collect the described free state nickel containing in the waste water of free state nickel, obtain free state nickel and resolve concentrated solution and remove free state nickel waste water;
The key step that described complex state nickel reclaims is:
1) waste water containing complex state nickel is removed by filter described containing the impurity in the waste water of complex state nickel through security personnel;
2) the described waste water that contains complex state nickel of removing impurity is passed into complex state nickel ion recycling machine, collect the described complex state nickel containing in the waste water of complex state nickel, obtain complex state nickel and resolve concentrated solution and remove complex state nickel waste water;
The key step of described nickel salt removal of impurities is:
1) described free state nickel parsing concentrated solution or complex state nickel parsing concentrated solution are removed to organic photo etching and additive through activated filter film machine;
2) the free state nickel parsing concentrated solution of the organic photo etching of described removal or complex state nickel parsing concentrated solution are added in electrolyzer, the metal ion of trace impurity is removed in electrolysis.
As preferably, the principle of described free state nickel ion recycling machine is: utilize cationic exchange coloum in described free state nickel ion recycling machine and the free state nickel generation permutoid reaction in described nickel-containing waste water, reaction equation:
2RCOONa+Ni
2+=(RCOO)
2Ni+2Na+
As preferably, the principle of described complex state nickel ion recycling machine is: utilize cationic exchange coloum in described complex state nickel ion recycling machine and the complex state nickel generation permutoid reaction in described nickel-containing waste water, reaction equation:
2RCOONa+Ni
2+=(RCOO)
2Ni+2Na+
As preferably, the described waste water except free state nickel or except the subsequent processing steps of the waste water of complex state nickel be:
1) by described waste water except free state nickel or except the waste water of complex state nickel, by security personnel, remove by filter large granular impurity
2) by the described described waste water except free state nickel filtering through security personnel or except the waste water of complex state nickel, after entering UF film and RO film, can obtain can be used for the pure water of workshop reuse.
Compare with the existing treatment process containing cupric cyanide waste water, the present invention possesses following advantage:
1, the nickel in electroplating wastewater is recycled respectively according to complex state and free state.
2, the waste water in nickel-containing waste water has become the pure water that workshop can reuse after treatment.
In sum, the processing of provided by the invention kind of nickel-containing waste water and the method for reuse, can be by the nickel recycling in nickel-containing waste water.Thereby reduction processing cost, when promoting economic benefit, has also protected environment well, possesses good promotion prospect.
Accompanying drawing explanation
Fig. 1 is the schema that in the preferred embodiment of the present invention, in nickel-containing waste water, free state nickel reclaims;
Fig. 2 is the schema that in the preferred embodiment of the present invention, in nickel-containing waste water, complex state nickel reclaims;
Fig. 3 is the schema of nickel salt removal of impurities in the preferred embodiment of the present invention;
Fig. 4 is the follow-up processing flow figure that removes the waste water of free state nickel in the preferred embodiment of the present invention or remove the waste water of complex state nickel;
Embodiment
Below the present invention will be further described with embodiment by reference to the accompanying drawings.
The invention provides a kind of method of processing and reuse of nickeliferousization copper waste water, be divided into the recovery of free state nickel, the recovery of complex state nickel, nickel salt removal of impurities;
With reference to figure 1, the key step that described free state nickel reclaims is:
In the electroplating cleaning groove of workshop, add skirt that rinse water is collected in special-purpose containing free state nickel receiving tank; Describedly containing the waste water containing free state nickel in free state nickel receiving tank, by motor, pump into security personnel and filter, described in filtering containing the solid impurity in the waste water of free state nickel; The described waste water that contains free state nickel of removing impurity is passed into free state nickel ion recycling machine, collect the described free state nickel containing in the waste water of free state nickel, obtain the waste water that free state nickel is resolved concentrated solution and removed free state nickel.
The principle of described free state nickel ion recycling machine is to utilize macromolecule organic synthetic in described free state nickel ion recycling machine and described containing the complex state nickel ion generation permutoid reaction in complex state nickel waste water, reaction equation:
2RCOONa+Ni
2+=(RCOO)
2Ni+2Na+
With reference to figure 2, the key step that described complex state nickel reclaims is:
In the electroplating cleaning groove of workshop, add skirt that rinse water is collected in special-purpose containing complex state nickel receiving tank; Describedly containing the waste water containing complex state nickel in complex state nickel receiving tank, by motor, pump into security personnel and filter, described in filtering containing the solid impurity in the waste water of complex state nickel; The described waste water that contains complex state nickel of removing impurity is passed into complex state nickel ion recycling machine, collect the described complex state nickel containing in the waste water of complex state nickel, obtain the waste water that complex state nickel is resolved concentrated solution and removed complex state nickel.
The principle of described complex state nickel ion recycling machine is to utilize macromolecule organic synthetic in described complex state nickel ion recycling machine and described containing the complex state nickel ion generation permutoid reaction in complex state nickel waste water, reaction equation:
2RCOONa+Ni
2+=(RCOO)
2Ni+2Na+
With reference to figure 3,
The key step of described nickel salt removal of impurities is:
1) described free state nickel parsing concentrated solution or complex state nickel parsing concentrated solution are removed to organic photo etching and additive through activated filter film machine;
2) the free state nickel parsing concentrated solution of the organic photo etching of described removal or complex state nickel parsing concentrated solution are added in electrolyzer, the metal ion of trace impurity is removed in electrolysis, thereby obtains being back to the nickel salt of production line.
With reference to figure 3, described waste water except free state nickel or except the subsequent processing steps of the waste water of complex state nickel be:
1) by described waste water except free state nickel or except the waste water of complex state nickel, by security personnel, remove by filter large granular impurity
2) by the described described waste water except free state nickel filtering through security personnel or except the waste water of complex state nickel, after entering UF film and RO film, can obtain can be used for the pure water of workshop reuse.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (4)
1. the processing of nickel-containing waste water and a method for reuse, is characterized in that, is divided into the recovery of free state nickel, the recovery of complex state nickel, nickel salt removal of impurities;
Wherein, the key step that described free state nickel reclaims is:
1) waste water containing free state nickel is removed by filter described containing the impurity in the waste water of free state nickel through security personnel;
2) the described waste water that contains free state nickel of removing impurity is passed into free state nickel ion recycling machine, collect the described free state nickel containing in the waste water of free state nickel, obtain free state nickel and resolve concentrated solution and remove free state nickel waste water;
The key step that described complex state nickel reclaims is:
1) waste water containing complex state nickel is removed by filter described containing the impurity in the waste water of complex state nickel through security personnel;
2) the described waste water that contains complex state nickel of removing impurity is passed into complex state nickel ion recycling machine, collect the described complex state nickel containing in the waste water of complex state nickel, obtain complex state nickel and resolve concentrated solution and remove complex state nickel waste water;
The key step of described nickel salt removal of impurities is:
1) described free state nickel parsing concentrated solution or complex state nickel parsing concentrated solution are removed to organic photo etching and additive through activated filter film machine;
2) the free state nickel parsing concentrated solution of the organic photo etching of described removal or complex state nickel parsing concentrated solution are added in electrolyzer, the metal ion of trace impurity is removed in electrolysis.
2. the processing of a kind of nickel-containing waste water according to claim 1 and the method for reuse, it is characterized in that, the principle of described free state nickel ion recycling machine is: utilize cationic exchange coloum in described free state nickel ion recycling machine and the free state nickel generation permutoid reaction in described nickel-containing waste water, reaction equation:
2RCOONa+Ni
2+=(RCOO)
2Ni+2Na+?。
3. the processing of a kind of nickel-containing waste water according to claim 1 and the method for reuse, it is characterized in that, the principle of described complex state nickel ion recycling machine is: utilize cationic exchange coloum in described complex state nickel ion recycling machine and the complex state nickel generation permutoid reaction in described nickel-containing waste water, reaction equation:
2RCOONa+Ni
2+=(RCOO)
2Ni+2Na+?。
4. the processing of a kind of nickel-containing waste water according to claim 1 and the method for reuse, is characterized in that, described waste water except free state nickel or except the subsequent processing steps of the waste water of complex state nickel be:
1) by described waste water except free state nickel or except the waste water of complex state nickel, by security personnel, remove by filter large granular impurity
2) by the described described waste water except free state nickel filtering through security personnel or except the waste water of complex state nickel, after entering UF film and RO film, can obtain can be used for the pure water of workshop reuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110873.8A CN103993347A (en) | 2014-03-24 | 2014-03-24 | Treatment and recycling method for nickel-containing wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110873.8A CN103993347A (en) | 2014-03-24 | 2014-03-24 | Treatment and recycling method for nickel-containing wastewater |
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|---|---|
| CN103993347A true CN103993347A (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410110873.8A Pending CN103993347A (en) | 2014-03-24 | 2014-03-24 | Treatment and recycling method for nickel-containing wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675393A (en) * | 2020-06-29 | 2020-09-18 | 厦门市韩江环保科技有限公司 | Method for treating and recycling nickel-containing wastewater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101712499A (en) * | 2008-12-30 | 2010-05-26 | 上海轻工业研究所有限公司 | Equipment for treating complex-containing nickel-plating waste liquid and nickel-plating rinsing wastewater |
| CN101817607A (en) * | 2010-03-24 | 2010-09-01 | 埃梯星(厦门)电子科技有限公司 | Method for directly extracting nickel in acidic chemical nickel plating waste solution |
| CN102826678A (en) * | 2012-08-06 | 2012-12-19 | 宋洪华 | Chemical nickel plating waste water circulating reclamation and nickel resource circulating reutilization method |
-
2014
- 2014-03-24 CN CN201410110873.8A patent/CN103993347A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101712499A (en) * | 2008-12-30 | 2010-05-26 | 上海轻工业研究所有限公司 | Equipment for treating complex-containing nickel-plating waste liquid and nickel-plating rinsing wastewater |
| CN101817607A (en) * | 2010-03-24 | 2010-09-01 | 埃梯星(厦门)电子科技有限公司 | Method for directly extracting nickel in acidic chemical nickel plating waste solution |
| CN102826678A (en) * | 2012-08-06 | 2012-12-19 | 宋洪华 | Chemical nickel plating waste water circulating reclamation and nickel resource circulating reutilization method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675393A (en) * | 2020-06-29 | 2020-09-18 | 厦门市韩江环保科技有限公司 | Method for treating and recycling nickel-containing wastewater |
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Application publication date: 20140820 |
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