CN107304462B - A kind of repeatable preparation method for removing the cobalt ions resin in zinc plating electrolyte - Google Patents
A kind of repeatable preparation method for removing the cobalt ions resin in zinc plating electrolyte Download PDFInfo
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- CN107304462B CN107304462B CN201610239020.3A CN201610239020A CN107304462B CN 107304462 B CN107304462 B CN 107304462B CN 201610239020 A CN201610239020 A CN 201610239020A CN 107304462 B CN107304462 B CN 107304462B
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- resin
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- cobalt ions
- beta naphthal
- cobalt
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Classifications
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- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
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- 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 a kind of preparation methods of the cobalt ions resin in repeatable removal zinc plating electrolyte.This method replaces beta naphthal and hydroxyl substituted polystyrene as raw material using halogen, obtains the polystyrene resin of immobilized grafting by a series of reaction.The experimental results showed that the polystyrene of immobilized grafting prepared by the above method has efficient enrichment to cobalt element micro in zinc plating electrolyte in acid condition, and the cobalt element being enriched on resin under alkaline condition can realize efficient desorption, to realize the efficient reuse of the resin.The preparation method raw material is cheap and easy to get, big to cobalt element enriching quantity in zinc plating electrolyte, and is able to achieve the efficient desorption of cobalt element, and be enriched with, desorption condition is simple, significant effect.
Description
Technical field
The present invention relates to a kind of preparation methods of the cobalt ions resin in repeatable removal zinc plating electrolyte, belong to material system
Standby technical field.
Background technique
Zinc hydrometallurgy is most important zinc metallurgy method in the world, and yield accounts for the 80%~85% of zinc total output, and with
The development of technology is in ever-increasing trend, and after leaching, zinc enters in solution zinc roasted ore in the form of an ion, but other
Impurity also enters in zinc sulfate leaching liquid if the elements such as cobalt, if these impurity contents are excessively high, to Zinc electrolysis Technological Economy
Index and Eletrolytic zinc quality have a significant impact, and will lead to electrolytic deposition process when serious cannot proceed normally.
Currently, in zinc plating electrolyte the minimizing technology of cobalt element mainly there are several types of: (1) zinc replacement utilizes electricity
The negativity zinc displacement cobalt lower than cobalt element；(2) the arsenic method of purification uses arsenic as the activator of zinc；(3) alloy purification method is adopted
Zinc is replaced with alloy；(4) xanthate purification method generates metallic compound hard to tolerate.Above method or be suitble to processing concentration of cobalt ions compared with
High zinc plating electrolyte；Or hypertoxic gas is generated in the reaction；Or other metal ions can be introduced.Deficiency existing for above method
All limit its practical application that cobalt is removed in zinc plating electrolyte.The present invention can depth remove cobalt on the basis of, will with cobalt from
The organic molecule functional group that son forms complex compound is grafted on resin, is successfully prepared in energy efficient absorption removal zinc plating electrolyte
Cobalt ions and the organic resin that can reuse, the method overcome the deficiency in above-mentioned existing method, and it is time saving and energy saving at
This low, favorable repeatability.
Summary of the invention
For, except deficiency existing for cobalt method, proposing in existing zinc plating electrolyte, one kind is repeatable to remove plating to the present invention
The preparation method of cobalt ions resin in zinc electrolyte, adsorbent material may be reused.The raw material of the preparation method is inexpensively easy
, preparation process is simple, repeatability is strong, and product is high to cobalt element accumulation rate and can realize cobalt element solution under certain condition
It inhales, efficiently removes and recycle and provide low-cost method for cobalt ions in zinc plating electrolyte.
Preparation method of the present invention except cobalt resin, comprising the following steps:
A. polystyrene resin hydroxyl replaced is dissolved in solvent, and concentration is 0.1~4.0mol/L；
B. under fast stirring, the beta naphthal that a certain amount of halogen replaces is added in the solution of step a；
C. the copper catalyst of about 0.5-5wt% is added, the sodium compound of about 0.5-10wt% is anti-in 40-150 DEG C of stirring
It answers；
D. it is washed with deionized 3 times, evaporates solvent under certain condition, obtain intermediate product；
E. above-mentioned intermediate product is dissolved in a certain amount of glacial acetic acid and the mixed liquor of deionized water, controls pH < 7, and
A certain amount of nitrite reaction is added in certain temperature；
F. after the reaction was completed, three times with deionized water extraction, solvent is evaporated up to product.
The beta naphthal that the halogen replaces includes the chloro- beta naphthal of 6-, the chloro- beta naphthal of 8-, the chloro- beta naphthal of 7-, the bromo- 2- naphthalene of 7-
Phenol, the bromo- beta naphthal of 8-, the iodo- beta naphthal of 6-, the iodo- beta naphthal of 8-, the iodo- beta naphthal of 7-；
The polystyrene that the hydroxyl replaces includes poly- o-hydroxystyrene, hydroxy styrenes between gathering, poly- para hydroxybenzene second
Alkene；
The copper catalyst includes copper oxide, copper sulphate, copper chloride, copper acetate, cupric iodide；
The potassium compound includes sodium hydroxide, sodium carbonate, sodium bicarbonate, sodium phosphate；
The solvent includes DMSO, DMF, benzene；
The ratio of glacial acetic acid and deionized water is 1:1 to 1:10 in the glacial acetic acid and deionized water mixed liquor；
The reaction time is 5~25h under agitation for the d reaction；
- 20 DEG C of 30 DEG C of < T < of reaction temperature of the f reaction；
The nitrite includes sodium nitrite, potassium nitrite, calcium nitrite, nitrous acid rubidium, cesium nitrite.
Energy efficiently concentrating prepared by the present invention simultaneously parses cobalt ions resin in zinc plating electrolyte, which is characterized in that preparation
Resin can realize that cobalt element micro in zinc plating electrolyte quickly and effectively removes in acid condition, and in the condition of alkalinity
It is lower realize cobalt ions quickly and effectively desorption, thus for industrially can efficient absorption remove zinc plating electrolyte in cobalt ions
And it can reuse and provide possibility.
Advantages of the present invention is mainly reflected in:
Raw material is easy to get, it is only necessary to which simple several steps can synthesize corresponding resin；
The operating condition of cobalt ions is mild in absorption enrichment, desorption zinc plating electrolyte, except cobalt is high-efficient, after capable of making removal
Cobalt content meet electrolysis requirement, and will not to zinc plating electrolyte generate secondary pollution；
Except the property of cobalt resin is stablized, reusable performance is good.
Specific embodiment
Preparation method and application range of the invention includes but is not limited only to following embodiment.
Embodiment 1:
1.2g poly(4-hydroxystyrene) is weighed first to be dissolved in 15mL DMSO；The bromo- beta naphthal of 7- for weighing 2.23g is added
It is dissolved to above-mentioned solution；Secondly, the NaOH for accurately weighing 0.0412g CuO and 0.0824g is added to together under fast stirring
Above-mentioned solution reacts 18h under 100 DEG C of constant temperature, and after the reaction was completed three times with the deionized water extraction of 3 × 15mL, oil is mixed
Agent is evaporated under reduced pressure at 50 DEG C, the resin head product after being grafted.
Resin after above-mentioned grafting is dissolved in glacial acetic acid and the deionized water of 20mL to cool the temperature to 5 in the solution of 1:1
DEG C, control pH=3 or so is slowly added into the NaNO of 1.5g under fast stirring2, react after 1h during filtering and washing to washing lotion is in
Property, drying simultaneously obtains product.
Cobalt ions (the concentration of cobalt ions above-mentioned resin 5g being used in the zinc-plated electrolytic solution that adsorption volume is 7L, pH=6
For 66mg/L), cobalt ions accumulation rate desorbs cobalt ions up to 99% in the alkaline solution of pH=9, the desorption efficiency of cobalt ions
Up to 94%, the accumulation rate of cobalt ions is still up to 96% or so after recycling three times, and the desorption efficiency of cobalt ions is still up to 92%.
Embodiment 2:
Firstly, weigh 1.2g it is poly- between hydroxy styrenes be dissolved in 20mL DMF；The iodo- beta naphthal of 8- for weighing 4g is added to
State solution dissolution；Secondly, accurately weighing 0.0343g CuSO4With the Na of 0.0686g2CO3It is added to together under fast stirring
Solution is stated, 25h is reacted under 90 DEG C of constant temperature, after the reaction was completed three times with the deionized water extraction of 3 × 15mL, oil phase solvent is existed
50 DEG C of reduction vaporization, the resin head product after being grafted.
Resin after above-mentioned grafting is dissolved in the glacial acetic acid of 30mL and deionized water is to cool the temperature to 0 in the solution of 1:2
DEG C, control pH=4 or so is slowly added into the CsNO of 1.5g under fast stirring2, react after 1h during filtering and washing to washing lotion is in
Property, drying simultaneously obtains product.
Cobalt ions (the concentration of cobalt ions above-mentioned resin 5g being used in the zinc-plated electrolytic solution that adsorption volume is 7L, pH=6
For 66mg/L), cobalt ions accumulation rate desorbs cobalt ions up to 98% in the alkaline solution of pH=9, the desorption efficiency of cobalt ions
Up to 94%, the accumulation rate of cobalt ions is still up to 95% or so after recycling three times, and the desorption efficiency of cobalt ions is still up to 91%.
Embodiment 3:
Firstly, weigh 1.2g it is poly- between hydroxy styrenes be dissolved in 20mL benzene；Weigh 5g the chloro- beta naphthal of 6- be added to it is above-mentioned
Solution dissolution；Secondly, accurately weighing 0.0343g CuI2It is added to together under fast stirring with the NaOH of 0.0686g above-mentioned molten
Liquid reacts 12h under 120 DEG C of constant temperature, after the reaction was completed three times with the deionized water extraction of 3 × 15mL, by oil phase solvent 50
DEG C be evaporated under reduced pressure, the resin head product after being grafted.
Resin after above-mentioned grafting is dissolved in 40mL glacial acetic acid, cools the temperature to -6 DEG C in deionized water 1:2 solution, control
PH=2 or so is slowly added into the KNO of 1.6g under fast stirring2, filtering and washing to washing lotion is in neutrality after reacting 1h, it is dry and
Obtain product.
Cobalt ions (the concentration of cobalt ions above-mentioned resin 5g being used in the zinc-plated electrolytic solution that adsorption volume is 7L, pH=6
For 66mg/L), cobalt ions accumulation rate desorbs cobalt ions up to 99% in the alkaline solution of pH=10, the desorption of cobalt ions
Rate is up to 96%, and the accumulation rate of cobalt ions is still up to 96% or so after recycling three times, and the desorption efficiency of cobalt ions is still up to 91%.
Embodiment 4:
It is dissolved in 20mL DMSO firstly, weighing 1.2g poly(4-hydroxystyrene)；The bromo- beta naphthal of 8- for weighing 3.5g is added
It is dissolved to above-mentioned solution；Secondly, accurately weighing the Na of 0.0377g CuO and 0.0755g3PO4It is added to together under fast stirring
Above-mentioned solution reacts 18h under 110 DEG C of constant temperature, and after the reaction was completed three times with the deionized water extraction of 3 × 15mL, oil is mixed
Agent is evaporated under reduced pressure at 50 DEG C, the resin head product after being grafted.
Resin after above-mentioned grafting is dissolved in 30mL glacial acetic acid, cools the temperature to 4 DEG C in deionized water 1:1 solution, control
PH=2.5 or so is slowly added into the Ca (NO of 1.5g under fast stirring2)2, filtering and washing to washing lotion is in neutrality after reacting 1h, is done
It is dry and product.
Cobalt ions (the concentration of cobalt ions above-mentioned resin 5g being used in the zinc-plated electrolytic solution that adsorption volume is 7L, pH=6
For 66mg/L), cobalt ions accumulation rate desorbs cobalt ions up to 98% in the alkaline solution of pH=9, the desorption efficiency of cobalt ions
Up to 95%, the accumulation rate of cobalt ions is still up to 94% or so after recycling three times, and the resolution factor of cobalt ions is still up to 91%.
Embodiment 5:
It is dissolved in 20mL benzene firstly, weighing 1.2g poly(4-hydroxystyrene)；The iodo- beta naphthal of 6- for weighing 3.8g is added to
State solution dissolution；Secondly, accurately weighing the NaHCO of 0.0377g CuO and 0.0755g3It is added to together under fast stirring
Solution is stated, 15h is reacted under 120 DEG C of constant temperature, after the reaction was completed three times with the deionized water extraction of 3 × 15mL, by oil phase solvent
It is evaporated under reduced pressure at 50 DEG C, the resin head product after being grafted.
Resin after above-mentioned grafting is dissolved in 30mL glacial acetic acid, cools the temperature to -5 DEG C in deionized water 1:3 solution, control
PH=2.5 or so is slowly added into the KNO of 1.5g under fast stirring2, filtering and washing to washing lotion is in neutrality after reacting 1h, dry
And obtain product.
Cobalt ions (the concentration of cobalt ions above-mentioned resin 5g being used in the zinc-plated electrolytic solution that adsorption volume is 7L, pH=6
For 66mg/L), cobalt ions accumulation rate desorbs cobalt ions up to 99% in the alkaline solution of pH=9, the desorption efficiency of cobalt ions
Up to 96%, the accumulation rate of cobalt ions is still up to 96% or so after recycling three times, and the resolution factor of cobalt ions is still up to 92%.
Claims (7)
1. a kind of preparation method of the cobalt ions resin in repeatable removal zinc plating electrolyte, it is characterised in that preparation method includes
Following steps:
A. polystyrene resin hydroxyl replaced is dissolved in solvent, and concentration is 0.1~4.0mol/L；
B. under fast stirring, the beta naphthal that a certain amount of halogen replaces is added in the solution of step a；
C. the copper catalyst of 0.5-5wt% is added, the sodium compound of 0.5-10wt% is stirred to react at 40-150 DEG C；
D. it is washed with deionized 3 times, evaporates solvent under certain condition, obtain intermediate product；
E. above-mentioned intermediate product is dissolved in a certain amount of glacial acetic acid and the mixed liquor of deionized water, pH value of solution < 7 is controlled, one
Determine at temperature, a certain amount of nitrite reaction is added, after the reaction was completed, three times with deionized water extraction, evaporation solvent to obtain the final product
Product.
2. preparation method according to claim 1, which is characterized in that the polystyrene that hydroxyl replaces includes poly- o-hydroxy
Ethylene, hydroxy styrenes between gathering, poly(4-hydroxystyrene)；The beta naphthal that halogen replaces includes the chloro- beta naphthal of 6-, the chloro- 2- naphthalene of 8-
Phenol, the chloro- beta naphthal of 7-, the bromo- beta naphthal of 7-, the bromo- beta naphthal of 8-, the iodo- beta naphthal of 6-；The iodo- beta naphthal of 8-, the iodo- beta naphthal of 7-.
3. preparation method according to claim 1, which is characterized in that solvent includes DMSO, DMF, benzene；Copper catalyst includes
Copper oxide, copper sulphate, copper chloride, copper acetate；Sodium compound includes sodium hydroxide, sodium carbonate, sodium bicarbonate, sodium phosphate.
4. preparation method according to claim 1, which is characterized in that nitrite includes sodium nitrite, potassium nitrite, Asia
Calcium nitrate, nitrous acid rubidium, cesium nitrite.
5. preparation method according to claim 1, which is characterized in that step c under agitation the reaction time be 5~
25h, the reaction temperature of step e are -20 DEG C of 30 DEG C of < T <.
6. preparation method according to claim 1, which is characterized in that in glacial acetic acid and deionized water mixed liquor glacial acetic acid with
The ratio of deionized water is 1:1 to 1:10.
7. the method according to claim 1, wherein the resin of preparation is to cobalt micro in acid zinc plating electrolyte
Ion can efficiently adsorb enrichment and remove, and the cobalt ions being enriched with achievable cobalt ions under conditions of pH value is greater than 8 is efficient
Desorption, to reach the recycling of resin, resin still keeps good absorption to be enriched with to cobalt ions after repeatedly using
And desorption effect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239020.3A CN107304462B (en) | 2016-04-17 | 2016-04-17 | A kind of repeatable preparation method for removing the cobalt ions resin in zinc plating electrolyte |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239020.3A CN107304462B (en) | 2016-04-17 | 2016-04-17 | A kind of repeatable preparation method for removing the cobalt ions resin in zinc plating electrolyte |
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| CN107304462B true CN107304462B (en) | 2018-12-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080289448A1 (en) * | 2006-02-02 | 2008-11-27 | Costa Renato De Souza | Hybrid Process Using Ion Exchange Resins in the Selective Recovery of Nickel and Cobalt from Leaching Effluents |
| CN101338367A (en) * | 2008-08-14 | 2009-01-07 | 上海西恩化工设备有限公司 | Method for enriching and purifying nickel, cobalt or copper ions |
| CN101974685A (en) * | 2010-11-05 | 2011-02-16 | 吉林吉恩镍业股份有限公司 | Process for extracting nickel-cobalt from laterite by using resin-in-pulp adsorption technology |
| CN102268537A (en) * | 2011-08-15 | 2011-12-07 | 广西银亿科技矿冶有限公司 | Method for extracting cobalt and nickel from laterite-nickel ore |
| CN102994778A (en) * | 2012-12-10 | 2013-03-27 | 金川集团股份有限公司 | Method for separating and enriching cobalt from leach liquor used for pickling and vulcanizing tailing |
-
2016
- 2016-04-17 CN CN201610239020.3A patent/CN107304462B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080289448A1 (en) * | 2006-02-02 | 2008-11-27 | Costa Renato De Souza | Hybrid Process Using Ion Exchange Resins in the Selective Recovery of Nickel and Cobalt from Leaching Effluents |
| CN101338367A (en) * | 2008-08-14 | 2009-01-07 | 上海西恩化工设备有限公司 | Method for enriching and purifying nickel, cobalt or copper ions |
| CN101974685A (en) * | 2010-11-05 | 2011-02-16 | 吉林吉恩镍业股份有限公司 | Process for extracting nickel-cobalt from laterite by using resin-in-pulp adsorption technology |
| CN102268537A (en) * | 2011-08-15 | 2011-12-07 | 广西银亿科技矿冶有限公司 | Method for extracting cobalt and nickel from laterite-nickel ore |
| CN102994778A (en) * | 2012-12-10 | 2013-03-27 | 金川集团股份有限公司 | Method for separating and enriching cobalt from leach liquor used for pickling and vulcanizing tailing |
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