CN106145463A - The processing method of a kind ofization tinning bronze alloy waste plating solution - Google Patents
The processing method of a kind ofization tinning bronze alloy waste plating solution Download PDFInfo
- Publication number
- CN106145463A CN106145463A CN201610644150.5A CN201610644150A CN106145463A CN 106145463 A CN106145463 A CN 106145463A CN 201610644150 A CN201610644150 A CN 201610644150A CN 106145463 A CN106145463 A CN 106145463A
- Authority
- CN
- China
- Prior art keywords
- plating solution
- processing method
- copper
- bronze alloy
- waste plating
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B25/00—Obtaining tin
- C22B25/06—Obtaining tin from scrap, especially tin scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
-
- 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
Abstract
The invention discloses the processing method of a kind ofization tinning bronze alloy waste plating solution, waste plating solution adds oxidant stirring and stands, and takes its supernatant, the tin ion concentration in detection supernatant；Filtering, filtering residue is delivered to Xi Ni treatment plant and is carried stannum；Filtrate electrolysis cathode analysis copper, the plating solution after electrolysis detects the concentration of its copper ion；It is discharged to Sewage Disposal the most again process together with sour water.The processing method changing tinning bronze alloy waste plating solution that the present invention provides, has not only reclaimed copper, stannum heavy metal, has also solved the problem that waste plating solution is difficult, easily cause environmental pollution, have dual economic benefit and environmental benefit.
Description
Technical field
The present invention relates to the processing method of a kind ofization tinning bronze alloy waste plating solution, belong to liquid waste processing heavy metal recovery skill
Art field.
Background technology
At present in the plating solution of tinning bronze alloy, plate in high solution of tin the content of tin ion at 0.7-1.0g/L, copper ion
Content at about 5g/L, and in order to allow copper and tin ion co-deposit, plating solution with the addition of multiple complexant.If just allowing such
Discharging of waste liquid is to waste water treatment plant, it is clear that Conventional waste water processing method is not all right.To use the copper in substep electroextraction solution
Tin metal, due to the existence of complexant in its solution so that it is copper and tin current potential difference is less, and the method can not reach separating effect.
For this waste liquid containing noble metal, it is necessary to find feasible processing method.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides oneization tinning bronze alloy waste plating solution
Processing method.
Technical scheme: for solving above-mentioned technical problem, the technical solution used in the present invention is:
The processing method of a kind ofization tinning bronze alloy waste plating solution, it is characterised in that comprise the following steps: waste plating solution adds oxidation
Agent stirring stands, and takes its supernatant, the tin ion concentration in detection supernatant；Filtering, filtering residue is delivered to Xi Ni treatment plant and is carried stannum；Filter
Liquid electrolysis cathode analysis copper, the plating solution after electrolysis detects the concentration of its copper ion；Be discharged to the most again Sewage Disposal with
Sour water processes together；Specific as follows:
1) in waste plating solution, oxidizer stirring stands；
2) take the tin ion concentration in supernatant detection supernatant, to tin ion concentration≤0.1g/L, terminate to stand；
3) filtering, filtering residue is delivered to Xi Ni treatment plant and is carried stannum, and filtrate analyses copper by electrolysis cathode；
4) the solution copper ion concentration after detection electrolysis, to copper ion concentration≤0.1g/L, terminates electrolysis；
5) taking out tough cathode, solution is delivered to sewage treatment plant and is processed together with acid solution.
The described processing method changing tinning bronze alloy waste plating solution, it is characterised in that: described oxidant can be air,
One or more of oxygen or hydrogen peroxide.
The described processing method changing tinning bronze alloy waste plating solution, it is characterised in that: the waste plating solution after standing takes it
Supernatant, detects the tin ion concentration in its supernatant with chemical titration (iodimetry), as its tin ion concentration≤0.1g/
During L, next step operation can be carried out.
The described processing method changing tinning bronze alloy waste plating solution, it is characterised in that: filtrate electrolysis cathode analysis copper, anode
Using platinum electrode, negative electrode uses copper electrode, and electric current density is 195-210A/m2, voltage is 0.3-0.5V, and temperature is room temperature, stirs
Mixing speed is 200-300r/min.
The described processing method changing tinning bronze alloy waste plating solution, it is characterised in that: the plating solution after electrolysis, with chemistry
The concentration of titrimetry (Reduction by Thiosulfate titration) detection copper ion, as copper ion concentration≤0.1g/L, under can carrying out
Single stepping.
Preferably, the described processing method changing tinning bronze alloy waste plating solution, it is characterised in that: described filtration
The method using pressure filter filter pressing is carried out.
Beneficial effect: the processing method changing tinning bronze alloy waste plating solution that the present invention provides, uses and adds in plating solution
The method of oxidant makes the tin ion oxidation precipitation in solution, so that stannum, copper ion in solution separate；Oxidant is oxygen
Gas, hydrogen peroxide, will not give in solution and bring other foreign ions；In solution, copper, the detection of tin ion use electronation titration
Method, the method is simple, quickly, accurately.The processing method of the present invention simplifies the process step of waste plating solution, not only reclaimed copper,
Stannum heavy metal, also solves the problem that waste plating solution is difficult, easily cause environmental pollution, has dual economic benefit and environment
Benefit.
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described.
As it is shown in figure 1, the processing method of a kind ofization tinning bronze alloy waste plating solution, take following processing procedure: waste plating solution
Add oxidant stirring to stand, take its supernatant, the tin ion concentration in detection solution；Filtering subsequently, its filtering residue delivers to stannum mud
Treatment plant carries out carrying stannum and processes；Its filtrate reclaims metallic copper by the method for electrolysis cathode analysis copper；Plating solution detection after electrolysis
The concentration of its copper ion；It is discharged to Sewage Disposal the most again process together with other sour waters.Specifically comprise the following steps that
1. in waste plating solution, oxidizer stirring stands；
2. taking the tin ion concentration in supernatant detection supernatant, detected value must make tin ion concentration≤0.1g/L；
3. filtering above-mentioned solution, filtering residue is delivered to Xi Ni treatment plant and is carried stannum, and filtrate analyses copper by electrolysis cathode；
4. the solution after electrolysis detects its copper ion concentration, and detected value must make copper ion concentration≤0.1g/L；
5. taking out tough cathode, solution is delivered to sewage treatment plant and is processed together with acid solution.
Embodiment 1:
Taking tinning bronze alloy waste plating solution 500ml, in its plating solution copper ions concentration be 5.8g/L, the concentration of tin ion be
0.85g/L, sulfuric acid concentration are possibly together with different kinds of ions additive in 27g/L, solution.
In taken solution, add 40ml hydrogen peroxide, stand 3 hours after being sufficiently stirred for, take supernatant 10ml, use iodometric titration
It is 0.03g/L that method records the concentration of tin ion in supernatant；Will stand after solution filter, filtrate carry out electrolysis cathode analysis copper:
Anode uses platinum electrode, and negative electrode uses copper sheet to do electrode, and electric current density is 200 A/m2, voltage is 0.4V, and temperature is room temperature, stirs
Mixing speed is 200-300r/min, is electrolysed 1 hour；Solution 10ml after power taking solution, with sodium thiosulfate titration detect in solution
The concentration of copper ion is 0.08g/L, subsequently by solution discharge to Sewage Disposal.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. the processing method changing tinning bronze alloy waste plating solution, it is characterised in that comprise the following steps: waste plating solution adds oxygen
Agent stirring stands, and takes its supernatant, the tin ion concentration in detection supernatant；Filtering, filtering residue is delivered to Xi Ni treatment plant and is carried stannum；
Filtrate electrolysis cathode analysis copper, the plating solution after electrolysis detects the concentration of its copper ion；It is discharged to Sewage Disposal the most again
Process together with sour water；Specific as follows:
1) in waste plating solution, oxidizer stirring stands；
2) take the tin ion concentration in supernatant detection supernatant, to tin ion concentration≤0.1g/L, terminate to stand；
3) filtering, filtering residue is delivered to Xi Ni treatment plant and is carried stannum, and filtrate analyses copper by electrolysis cathode；
4) the solution copper ion concentration after detection electrolysis, to copper ion concentration≤0.1g/L, terminates electrolysis；
5) taking out tough cathode, solution is delivered to sewage treatment plant and is processed together with acid solution.
2. the processing method of according to claim 1ization tinning bronze alloy waste plating solution, it is characterised in that: described oxidant
Can be one or more of air, oxygen or hydrogen peroxide.
3. the processing method of according to claim 1ization tinning bronze alloy waste plating solution, it is characterised in that: after standing
Waste plating solution takes its supernatant, detects the tin ion concentration in its supernatant with chemical titration, as its tin ion concentration≤0.1g/
During L, next step operation can be carried out.
4. the processing method of according to claim 3ization tinning bronze alloy waste plating solution, it is characterised in that: use iodimetry
Detect the tin ion concentration in its supernatant.
5. the processing method of according to claim 1ization tinning bronze alloy waste plating solution, it is characterised in that: filtrate electrolysis the moon
Pole analysis copper, anode uses platinum electrode, and negative electrode uses copper electrode, and electric current density is 195-210A/m2, voltage is 0.3-0.5V, temperature
Degree is room temperature, and mixing speed is 200-300r/min.
6. the processing method of according to claim 1ization tinning bronze alloy waste plating solution, it is characterised in that: after electrolysis
Plating solution, by the concentration of chemical titration detection copper ion, as copper ion concentration≤0.1g/L, can carry out next step operation.
7. the processing method of according to claim 6ization tinning bronze alloy waste plating solution, it is characterised in that: use thiosulfuric acid
The concentration of sodium reduction titration detection copper ion.
8. the processing method of according to claim 1ization tinning bronze alloy waste plating solution, it is characterised in that: described filtration is adopted
Carry out by the method for pressure filter filter pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644150.5A CN106145463A (en) | 2016-08-09 | 2016-08-09 | The processing method of a kind ofization tinning bronze alloy waste plating solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610644150.5A CN106145463A (en) | 2016-08-09 | 2016-08-09 | The processing method of a kind ofization tinning bronze alloy waste plating solution |
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| Publication Number | Publication Date |
|---|---|
| CN106145463A true CN106145463A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610644150.5A Pending CN106145463A (en) | 2016-08-09 | 2016-08-09 | The processing method of a kind ofization tinning bronze alloy waste plating solution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500436A (en) * | 2017-07-26 | 2017-12-22 | 张家港市亚亨金属制品有限公司 | A kind of processing method of cupric, nickel ion waste plating solution |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB918934A (en) * | 1959-11-24 | 1963-02-20 | Graham Savage & Associates Inc | Improvements in recovery of high purity copper from copper scrap |
| CN101643852A (en) * | 2009-09-02 | 2010-02-10 | 北京科技大学 | Heap-leaching method for separating copper and tin from tin-plated copper wires |
| CN102701263A (en) * | 2012-05-04 | 2012-10-03 | 昆明理工大学 | Method for preparing copper sulfate in mode that stanniferous copper slag is leached in selective mode and free of evaporation |
| CN102766883A (en) * | 2011-06-14 | 2012-11-07 | 湖南万容科技股份有限公司 | Spent solder stripper recovery method and equipment |
-
2016
- 2016-08-09 CN CN201610644150.5A patent/CN106145463A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB918934A (en) * | 1959-11-24 | 1963-02-20 | Graham Savage & Associates Inc | Improvements in recovery of high purity copper from copper scrap |
| CN101643852A (en) * | 2009-09-02 | 2010-02-10 | 北京科技大学 | Heap-leaching method for separating copper and tin from tin-plated copper wires |
| CN102766883A (en) * | 2011-06-14 | 2012-11-07 | 湖南万容科技股份有限公司 | Spent solder stripper recovery method and equipment |
| CN102701263A (en) * | 2012-05-04 | 2012-10-03 | 昆明理工大学 | Method for preparing copper sulfate in mode that stanniferous copper slag is leached in selective mode and free of evaporation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500436A (en) * | 2017-07-26 | 2017-12-22 | 张家港市亚亨金属制品有限公司 | A kind of processing method of cupric, nickel ion waste plating solution |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161123 |