CN114934183A - Method for producing nickel sulfate solution by using waste nickel net - Google Patents
Method for producing nickel sulfate solution by using waste nickel net Download PDFInfo
- Publication number
- CN114934183A CN114934183A CN202210598106.0A CN202210598106A CN114934183A CN 114934183 A CN114934183 A CN 114934183A CN 202210598106 A CN202210598106 A CN 202210598106A CN 114934183 A CN114934183 A CN 114934183A
- Authority
- CN
- China
- Prior art keywords
- nickel
- waste
- sulfate solution
- screen
- producing
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 54
- 239000002699 waste material Substances 0.000 title claims abstract description 31
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 title claims abstract description 23
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 23
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- C22B7/007—Wet processes by acid leaching
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/10—Sulfates
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0407—Leaching processes
- C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
- C22B23/043—Sulfurated acids or salts thereof
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention relates to a method for producing nickel sulfate solution by using waste nickel nets, which comprises the following steps: firstly, stripping treatment of waste nickel nets: putting the waste nickel screen into a liquid caustic soda solution with the mass fraction of 30%, heating to 60-75 ℃, reacting for 1-2 h, removing a surface coating, and then washing with clear water until the pH value is 7-8 to obtain a nickel screen subjected to membrane removal treatment; dissolving: adding water with the volume of 1/2-2/3 into a reaction kettle, then adding the nickel net subjected to the film removal treatment, firstly adding hydrogen peroxide, then adding concentrated sulfuric acid, heating to above 90 ℃, and continuously reacting for 10-12 hours to obtain a nickel sulfate solution. The method has the advantages of simple process, short flow, strong operability, no introduction of other impurities, reduction of production cost and realization of recycling of the waste nickel screen.
Description
Technical Field
The invention relates to the technical field of hydrometallurgy, in particular to a method for producing a nickel sulfate solution by using a waste nickel screen.
Background
At present, there are many methods for producing nickel sulfate solution in hydrometallurgical industry, and the nickel sulfate solution can be produced by dissolving nickel, nickel powder and nickel carbonyl pellets with sulfuric acid. The surface of the waste nickel net is coated with a film, so that the sulfuric acid leaching efficiency is seriously influenced, and organic impurities are introduced, so that how to effectively utilize the waste nickel net is very important.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for producing nickel sulfate solution by using waste nickel nets, which has short flow and strong operability.
In order to solve the problems, the method for producing the nickel sulfate solution by using the waste nickel screen comprises the following steps:
firstly, stripping treatment of waste nickel nets:
putting the waste nickel screen into a liquid caustic soda solution with the mass fraction of 30%, heating to 60-75 ℃, reacting for 1-2 h, removing a surface coating, and then washing with clear water until the pH value is 7-8 to obtain a nickel screen after stripping treatment;
dissolving:
adding water with the volume of 1/2-2/3 into a reaction kettle, then adding the nickel net subjected to the film removal treatment, firstly adding hydrogen peroxide, then adding concentrated sulfuric acid, heating to above 90 ℃, and continuously reacting for 10-12 hours to obtain a nickel sulfate solution.
In the step II, the adding amount of hydrogen peroxide is 1/35-1/50 of the volume of the solution in the reaction kettle, so that the concentration of the hydrogen peroxide is 27.5%.
In the step II, the end point concentration of the diluted concentrated sulfuric acid added into the reaction kettle is 2-3 mol/L.
Compared with the prior art, the invention has the following advantages:
according to the invention, the nickel screen is subjected to demoulding treatment to remove the film on the surface of the nickel screen, and then hydrogen peroxide and sulfuric acid are used for dissolving, so that a nickel sulfate solution is obtained, the process is simple, the flow is short, the operability is strong, other impurities cannot be introduced, the production cost is reduced, and the recycling of the waste nickel screen is realized.
Detailed Description
A method for producing a nickel sulfate solution by using a waste nickel screen comprises the following steps:
firstly, stripping treatment of waste nickel nets:
putting the waste nickel screen into 30 mass percent of liquid caustic soda solution in a pretreatment kettle, heating to 60-75 ℃ for reaction for 1-2 hours to decompose organic matters on the surface of the nickel screen and remove a surface coating film, avoiding chemical reaction of a bottom layer nickel substrate, and then washing with clear water until the pH value is 7-8 to obtain the nickel screen after film removal treatment.
The pretreatment kettle and the stirring material thereof are made of stainless steel, so that the corrosion resistance can be effectively improved, and the introduction of metal impurities can be prevented.
Dissolving:
adding water with the volume of 1/2-2/3 into a reaction kettle, adding the nickel net subjected to demoulding treatment, and adding hydrogen peroxide according to 1/35-1/50 of the volume of the solution in the reaction kettle to enable the concentration of the hydrogen peroxide to be 27.5%; and then adding concentrated sulfuric acid to prevent hydrogen peroxide from exothermic decomposition due to sulfuric acid dilution, heating the liquid by heat released by diluting the concentrated sulfuric acid, continuously heating the liquid by a capillary tube when the temperature is not high enough, and adding the concentrated sulfuric acid into the reaction kettle to dilute the liquid to obtain the final concentration of 2-3 mol/L. And (3) after the temperature is raised to be higher than 90 ℃, continuously reacting for 10-12 hours to obtain the nickel sulfate solution.
Embodiment 1 a method for producing a nickel sulfate solution by using a waste nickel screen, comprising the following steps:
the method comprises the steps of waste nickel screen stripping treatment:
putting the waste nickel screen into 30 mass percent liquid caustic soda solution in a pretreatment kettle, heating to 62 ℃ for reaction for 1.2h, and washing with clear water until the pH value is 7.2 after the coating on the surface of the nickel screen is completely removed to obtain the nickel screen after stripping treatment.
Dissolving:
in a reaction kettleAdding 10m 3 And (3) putting the stripped nickel net into the water, adding 250L of hydrogen peroxide, adding concentrated sulfuric acid, controlling the end-point acidity to be 2.5mol/L, controlling the reaction temperature to be 92 ℃, and continuously reacting for 10 hours to obtain the qualified nickel sulfate solution.
Embodiment 2 a method for producing a nickel sulfate solution using a waste nickel screen, comprising the steps of:
the method comprises the steps of waste nickel screen stripping treatment:
putting the waste nickel screen into 30 mass percent liquid caustic soda solution in a pretreatment kettle, heating to 67 ℃ for reaction for 1.5h, and washing with clear water until the pH value is 7.6 after the coating on the surface of the nickel screen is completely removed to obtain the nickel screen after stripping treatment.
Dissolving:
adding 12 m into a reaction kettle 3 And (3) putting the stripped nickel net into the water, adding 300L of hydrogen peroxide, adding concentrated sulfuric acid, controlling the end-point acidity to be 3.0mol/L, controlling the reaction temperature to be 95 ℃, and continuously reacting for 11 hours to obtain the qualified nickel sulfate solution.
Embodiment 3 a method for producing a nickel sulfate solution using a waste nickel screen, comprising the steps of:
firstly, stripping treatment of waste nickel nets:
putting the waste nickel screen into 30 mass percent liquid caustic soda solution in a pretreatment kettle, heating to 70 ℃ for reaction for 1.5h, and washing with clear water until the pH value is 8.0 after the coating on the surface of the nickel screen is completely removed to obtain the nickel screen after stripping treatment.
Dissolving:
adding 15 m into a reaction kettle 3 And (3) putting the stripped nickel net into the water, adding 350L of hydrogen peroxide, adding concentrated sulfuric acid, controlling the end-point acidity to be 2.8mol/L, controlling the reaction temperature to be 98 ℃, and continuously reacting for 12 hours to obtain the qualified nickel sulfate solution.
Claims (3)
1. A method for producing nickel sulfate solution by using waste nickel nets comprises the following steps:
firstly, stripping treatment of waste nickel nets:
putting the waste nickel screen into a liquid caustic soda solution with the mass fraction of 30%, heating to 60-75 ℃, reacting for 1-2 h, removing a surface coating, and then washing with clear water until the pH value is 7-8 to obtain a nickel screen after stripping treatment;
dissolving:
adding water with the volume of 1/2-2/3 into a reaction kettle, adding the nickel net subjected to the stripping treatment, adding hydrogen peroxide, adding concentrated sulfuric acid, heating to above 90 ℃, and continuously reacting for 10-12 hours to obtain a nickel sulfate solution.
2. The method for producing the nickel sulfate solution by using the waste nickel screen as claimed in claim 1, wherein the method comprises the following steps: in the step II, the adding amount of hydrogen peroxide is 1/35-1/50 of the volume of the solution in the reaction kettle, so that the concentration of the hydrogen peroxide is 27.5%.
3. The method for producing the nickel sulfate solution by using the waste nickel screen as claimed in claim 1, wherein the method comprises the following steps: in the step II, the end point concentration of the diluted concentrated sulfuric acid added into the reaction kettle is 2-3 mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598106.0A CN114934183A (en) | 2022-05-30 | 2022-05-30 | Method for producing nickel sulfate solution by using waste nickel net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598106.0A CN114934183A (en) | 2022-05-30 | 2022-05-30 | Method for producing nickel sulfate solution by using waste nickel net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114934183A true CN114934183A (en) | 2022-08-23 |
Family
ID=82866993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210598106.0A Pending CN114934183A (en) | 2022-05-30 | 2022-05-30 | Method for producing nickel sulfate solution by using waste nickel net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114934183A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395921A (en) * | 2016-08-29 | 2017-02-15 | 金川集团股份有限公司 | Method used for producing nickel chloride products taking waste printing nickel screens as raw materials |
| CN109626448A (en) * | 2018-11-09 | 2019-04-16 | 浙江科菲科技股份有限公司 | A method of high-purity sulphuric acid nickel is produced with useless printed nickel net |
| CN110436533A (en) * | 2019-08-19 | 2019-11-12 | 江苏荣信环保科技有限公司 | Industrial sulphuric acid nickel is made in nickeliferous Waste Sulfuric Acid |
| CN110804697A (en) * | 2019-10-23 | 2020-02-18 | 金川集团股份有限公司 | Waste printed nickel screen stripping method |
| JP2020105034A (en) * | 2018-12-26 | 2020-07-09 | 住友金属鉱山株式会社 | Method for producing nickel sulfate |
| CN211619954U (en) * | 2019-07-05 | 2020-10-02 | 河海大学 | System for retrieve nickel sulfate in follow metallic nickel waste material |
-
2022
- 2022-05-30 CN CN202210598106.0A patent/CN114934183A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395921A (en) * | 2016-08-29 | 2017-02-15 | 金川集团股份有限公司 | Method used for producing nickel chloride products taking waste printing nickel screens as raw materials |
| CN109626448A (en) * | 2018-11-09 | 2019-04-16 | 浙江科菲科技股份有限公司 | A method of high-purity sulphuric acid nickel is produced with useless printed nickel net |
| JP2020105034A (en) * | 2018-12-26 | 2020-07-09 | 住友金属鉱山株式会社 | Method for producing nickel sulfate |
| CN211619954U (en) * | 2019-07-05 | 2020-10-02 | 河海大学 | System for retrieve nickel sulfate in follow metallic nickel waste material |
| CN110436533A (en) * | 2019-08-19 | 2019-11-12 | 江苏荣信环保科技有限公司 | Industrial sulphuric acid nickel is made in nickeliferous Waste Sulfuric Acid |
| CN110804697A (en) * | 2019-10-23 | 2020-02-18 | 金川集团股份有限公司 | Waste printed nickel screen stripping method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112708779B (en) | Preparation method of cobalt sulfate solution | |
| CN101643852B (en) | Heap-leaching method for separating copper and tin from tin-plated copper wires | |
| CN112708786A (en) | Method for recycling scandium from aluminum-scandium alloy target material waste | |
| CN108624885A (en) | A kind of spent acid and the method for alkaline etching liquid processing | |
| CN109706328B (en) | Method for preparing ternary feed liquid by back-extracting nickel-cobalt-manganese-loaded organic phase with metal nickel acid dissolving solution | |
| CN112320860B (en) | Method for purifying nickel sulfate | |
| CN115818732B (en) | Method for directly preparing ternary precursor by co-extraction of nickel, cobalt and manganese in laterite-nickel ore high-pressure leaching solution | |
| CN101307463B (en) | Method for producing electrolytic manganese metal by replacing partial ammonia water with manganese dregs for neutralization deironing | |
| CN109088116A (en) | Method for recovering anode powder of waste lithium ion battery | |
| CN114934183A (en) | Method for producing nickel sulfate solution by using waste nickel net | |
| CN106755994A (en) | A kind of production method for comprehensively utilizing zinc cobalt raw material high | |
| CN113184927A (en) | Method for producing nickel sulfate solution by using nickel powder | |
| CN104775033B (en) | The technique that high-purity copper powder is extracted using copper scap cyclic hardening | |
| CN109881006A (en) | A method of for purifying nickel sulfate solution | |
| CN114672668B (en) | Method for preparing vanadium pentoxide by reducing precipitated vanadium and vanadium pentoxide and application | |
| CN103966457A (en) | Method for recovering valuable metals from copper anode casting washery slag | |
| CN110092423B (en) | Method for producing nickel sulfate solution by quickly dissolving nickel oxide and deacidifying and removing impurities with nickel soap | |
| CN110699551A (en) | Waste plastic electroplated part recycling process | |
| CN113697778A (en) | Treatment method of copper-tellurium slag | |
| CN114836632B (en) | Method for extracting cadmium by using ionic liquid | |
| CN112458314A (en) | Method for separating nickel cobalt from calcium and magnesium | |
| CN112126791A (en) | Method for recycling high-purity copper from metal waste | |
| CN114751839B (en) | Method for circularly regenerating EDTA (ethylene diamine tetraacetic acid) from copper anode slime pressurization decoppering EDTA lead removing liquid | |
| CN221440825U (en) | Preparation facilities of high-purity gold | |
| CN107619945A (en) | A kind of method that high cobalt Zinc residue removes cobalt |
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: 20220823 |