WO2006010305A1 - Procede d'obtention d'un nickel de grande purete - Google Patents
Procede d'obtention d'un nickel de grande purete Download PDFInfo
- Publication number
- WO2006010305A1 WO2006010305A1 PCT/CN2005/000488 CN2005000488W WO2006010305A1 WO 2006010305 A1 WO2006010305 A1 WO 2006010305A1 CN 2005000488 W CN2005000488 W CN 2005000488W WO 2006010305 A1 WO2006010305 A1 WO 2006010305A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solution
- purity nickel
- nickel
- purity
- electrowinning
- Prior art date
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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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/06—Refining
-
- 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
- C25C1/06—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese
- C25C1/08—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese of nickel or cobalt
-
- 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
- C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
-
- 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
Definitions
- a method for preparing high-purity nickel relates to a method for preparing high-purity nickel by electrowinning using 3N electrolytic nickel as a raw material and using a hydrochloric acid solution system.
- Nickel is commonly used in traditional stainless steel, alloy and other fields. In recent years, the demand for high-purity nickel in some special pearl fields is gradually increasing. For example, superalloys made of high-purity nickel are used in the manufacture of aero engines, in atomic reactor protection materials, in biomaterials, in low-expansion alloys, and in high-purity nickel in the electronics industry, such as a special nickel-iron alloy. For lead frames, another Cu-M-Sn alloy for wiring ports; high purity nickel is also used for hydrogenation catalysts and other chemicals. When high-purity nickel is used in large-scale integrated circuits and their wiring materials, magnetic films, and special packaging materials, the content of impurities such as alkali metals, radioactive elements, excessive metal elements, and gas elements is extremely low.
- the method of sheet replacement and pre-electrolysis removes impurity elements in the electrolyte, purifies the electrolyte, and produces 5N (99.999%) high-purity nickel by electrolysis.
- High-purity nickel, high-purity nickel impurity element content Al-metal element below 1ppm, Fe, Co, Cr are below 10ppm, U, Th are below lppb, C is below 50ppm, O is below lOOppm.
- the boiling acid removal and neutralization and acid reduction are used, resulting in high production cost and easy to cause pollution; deep purification of the solution is not ideal. . Since the use of a soluble anode is liable to cause mutual contamination of the electrolytic cathode and the anode electrolyte, high impurity content of high purity nickel is caused.
- the object of the present invention is to provide an effective solution to the problem of high acidity of electrolyzed stock solution, reduce production cost, eliminate pollution, and deep purification of solution, and can effectively prevent the above-mentioned deficiencies in the prior art.
- a method for preparing high-purity nickel characterized in that the process is: a. using a hydrochloric acid system, using 3N electrolytic nickel as an anode, using a corrosion-resistant titanium metal mesh as a cathode, and electrolyzing a MC1 2 solution;
- the current density is 100A/m 2 ⁇ 200A lm 2
- the current density electrolysis solution is 30A/m 2 ⁇ 70A/m 2 at the end of the liquid solution with the solution concentration of lg/l ⁇ 2g/l. , making the pH of the solution 1 ⁇ 3;
- the stripped solution is deoiled through the activated carbon column, it is sequentially introduced into an ion exchange column of an anion exchange resin 331 and an anion exchange resin 717, D301 and D401, respectively, for deep purification.
- the flow rate is controlled to 2BV/h, and the solution is purified to contain Co and Fe to be reduced to below 0. OOlg/1, and the solution containing Cu, Pb, and Zn is reduced to less than 0.0002 g/l;
- a method for preparing bismuth pure nickel characterized in that after electrolysis, an anion extracting agent is used to carry out three-stage countercurrent extraction of the electrolyzed solution, and the extraction is compared with 1:2, and the extraction is equilibrated for 10 minutes and then stripped with pure water. .
- a method for preparing high-purity nickel according to the present invention is characterized in that the anion extracting agent is composed of 20% to 40% of a tertiary amine and 20% to 45% of a butyl ester, and the balance is a sulfonated kerosene.
- a method for preparing high purity nickel according to the present invention characterized by an anionic extractant thereof After the organic phase was washed and purified, the organic phase was acid-saturated with 4N high purity hydrochloric acid, and the NiCl 2 solution was extracted.
- a method of producing high purity nickel according to the present invention is characterized in that the solution is deoiled by a hollow fiber ball.
- the method for preparing high-purity nickel of the present invention uses a combination anion exchange resin to realize a three-dimensional, cross-purifying structure, and deeply purifies the solution.
- high-purity nickel is prepared by electrowinning of high-purity solution purified by ion exchange, and the high-purity nickel sample is analyzed by glow discharge mass spectrometry-GDMS to reach 5N high-purity nickel.
- the process at the end of the electrolyzed liquid, low-current liquid-forming and reducing the acid content of the solution, successfully solved the high acid problem of the electrolyzed stock solution, and abandoned the practice of boiling acid removal and neutralization and acid reduction, which reduced the The cost prevents the process pollution; after the organic phase is washed and purified, the organic phase is acid-saturated with high-purity hydrochloric acid, and then extracted with the organic relatively high-concentration NiCl 2 solution to realize deep purification and de-drilling of the solution; ion exchange process
- anionic resin is used to realize a three-dimensional, cross-purified high-purity solution purification structure; the electro-fusion liquid, solvent extraction, ion exchange and electrowinning processes are mutually connected
- High purity nickel of grades above 5N Compared with the soluble anode electrolysis, only the purified high-purity NiCl 2 solution is in the insoluble anode electrolyzer, thereby effectively preventing the mutual contamination of the soluble anode electrolytic cathode and the anolyte, and the insoluble anode electrowinning production.
- High purity nickel has a lower impurity content.
- the alkali metal element is O. lppm or less, Fe, Co, and Cr are each 1 ppm or less, U and Th are respectively 0.1 lppb or less, C is 60 ppm or less, and 0 is less than 10 ppm.
- the high-purity nickel of the present invention has a total of 16 impurity elements including Co, Fe, Cu, Zn, As, Cd, Sn, Sb, Pb, Bi, Al, Mn, Mg, Si, P, and S, and the highest content of single impurity elements. 999 ⁇ The content of the main metal element nickel (decrease) is higher than 99.999%. Preparation of high-purity NiCl 2 solution is a prerequisite for the development of high-purity nickel. The most difficult impurities to remove Fe, Co, Cu, Pb, and Zn are selected from the 16 impurity elements. The main impurity elements are investigated. Measure the degree of solution purification. Tests have shown that the selection of representative impurity elements as the main impurity removal target improves the detection efficiency. -
- Figure 1 is a schematic view showing the process flow of the method of the present invention.
- the content of impurity elements in the NiCl 2 solution prepared by electrolyzing solution is: Co 0.006g/l ⁇ 0. 009g / 1, Cu 0.002g/L Fe 0.002g/ 1. Pb 0.001g/K Zn 0.002g/l b.
- the extracted solution is deoiled through an activated carbon column, and then passed through an ion exchange column of a mixture of anion exchange resins 331, 717, D301 and D401, respectively, for deep purification, exchange flow rate control ⁇ 2BV /h, the solution contains Co, Fe reduced to below 0.001g / l, the solution contains Cu, Pb, Zn reduced to below 0.0002g / l;
- the design principle of the ion exchange system is to ensure that the exchange column system itself does not produce impurity element pollution:
- the ion exchange column body and system are made of pure material; the solution is quantitatively transported by the anti-pollution metering pump, and the flow rate of the ion exchange solution is precisely controlled; the anion exchange resin of the special beads is selected to realize deep purification of the solution.
- the exchange flow rate is controlled at 1 BV/h ⁇ 2BV/h. If the flow rate is too fast, the impurity elements are not fully exchanged, the resin is easy to penetrate; the exchange flow rate is too slow, economical Poor efficiency. After exchange, the contents of lead, zinc, copper, iron and cobalt in the solution are reduced. Solution Co 0.006 g/l to 0.009 g/l, Cu 0.002 g/l > Pb 0.001 g/K Zn 0.002 g/1.
- the electrolytic cell is made of pure material; the electrolytic cell adopts a sealed structure. Designed with a dust-proof top cover, a water-tight connection between the top cover and the tank; the anode-anode plate and the conductive rod are assembled and hung on the top cover; the anode and cathode plates and the conductive rod group are all made of pure anti-corrosion material. , thereby effectively preventing acid corrosion and solution contamination.
- the circuit contacts are all screwed together to select a high-precision silicon rectified power supply.
- the original solution is 0.009 0.002 0.001 0.001.
- the anion extractant is 25% by volume of tertiary amine, 45% of butyl ester and 30% of sulfonated kerosene.
- the extractant is washed with high purity water and then saturated with 4mol/l high purity hydrochloric acid.
- the high-purity nickel contains an alkali metal element of 0.1 ppm or less, Fe, Co, and Cr are each 1 ppm or less, U and Th are respectively below 0.1 ppb, C is 60 ppm or less, and 0 is 100 ppm or less.
- the content of some impurity elements in high purity nickel is shown in Table 4.
- the NiCl 2 solution was prepared by electrolysis in a hydrochloric acid system, and the current density was 150 A/m 2 , and the concentration of the solution was 1.5 g/l in the solution. The current density was 50 A/m 2 .
- the liquid was made so that the pH of the solution was 2; the concentration of the solution C1 - was 6 mol/L, and the impurity element content of the solution is shown in Table 5.
- the original solution is 0.008 0.003 0.001 0.001 0.001 ⁇
- the anion extractant is 40% by volume of tertiary amine, 20% of butyl ester and 40% of sulfonated kerosene.
- the extractant is washed with high purity water and then saturated with 4mol/l high purity hydrochloric acid.
- the solution was subjected to three-stage countercurrent extraction. The extraction was compared with 1:2, and the extraction was equilibrated for 10 minutes and then stripped with pure water. After the solution was extracted by anion extractant to remove impurities, the solution contained Co decreased from 0.008 g/l to 0.001 g/l.
- the composition of the raffinate solution is shown in Table 6.
- Raffinate impurities contain ⁇ Unit: g/i
- the extracted solution is deoiled through an activated carbon column, and then passed through an ion exchange column of a mixture of anion exchange resins 331, 717, D301 and D401, respectively, for concentration purification, and the exchange flow rate is controlled at 1.5 BV/h.
- the composition of the solution after exchange is shown in Table 7.
- the electrowinning technical conditions are: controlling the current density of 160 A/m 2 , the pH of the NiCl 2 solution is 2, and the electroforming temperature of 40 ° C:.
- Insoluble anodes were electrowinned to obtain 5N high purity nickel.
- the high-purity nickel contains an alkali metal element of 0.1 ppm or less, Fe and Co. Cr are respectively below 1 ppm, U and Th are respectively below 0.1 ppb, C is below 60 ppm, and O is below 100 ppm.
- the content of some impurity elements in high purity nickel is shown in Table 7.
- Example 2 Other conditions were the same as those in Example 2.
- the anion extracting agent volume percentage was 20% of tertiary amine, 45% of butyl ester, and 35% of sulfonated kerosene.
- the ion exchange solution of Example 2 was used.
- the composition of the solution after exchange was shown in Table 8.
- Table 8 Impurity element content of solution after ion exchange Unit: g/1
- Ion exchange purification liquid ⁇ 0. 0004 0.0001 ⁇ 0. 0004 ⁇ 0.0001 0.0001 Using this NiCl 2 solution, insoluble anode electrowinning, electrowinning technical conditions: current density is 200 A / m 2 , NiCl 2 solution pH 2, the electrowinning temperature is 60 °C. Insoluble anodes were electrowinned to obtain 5N high purity nickel.
- the high-purity nickel contains 0.1 ppm or less of the alkali metal element, and Fe, Co, and Cr are each 1 ppm or less, U and Th are respectively 0.1 lppb or less, C is 60 ppm or less, and 0 is 100 ppm or less.
- the content of some impurity elements in high purity nickel is shown in Table 9. Table 9 High Purity Nickel Glow Discharge Mass Spectrometry (GDMS) Analysis Results
- the NiCl 2 solution was prepared by electrolysis in a hydrochloric acid system, and the current density was 200 A/m 2 , and the solution was electrolyzed until the solution IT was 2 g/l. The end of the liquid was 70 A/m 2 .
- the flow density is liquid, so that the pH of the solution is 1; the concentration of the solution C plant is 6 mol/L, and the impurity element content of the solution is shown in Table 10.
- the high-purity solution purified by ion exchange is used for insoluble anode electrowinning.
- the electrowinning technical conditions are: controlling the current density of 160 A/m 2 , the pH of the NiCI 2 solution is 1, and the electrowinning temperature is 50 °C.
- Insoluble anodes were electrowinned to obtain 5N high purity nickel.
- High purity nickel containing alkali metal element OJppm or less, Fe, Co, and Cr are each 1 ppm or less, U and Th are respectively 0.1 lppb or less, C is 60 ppm or less, and O is 100 ppm or less.
- the content of some impurity elements in high purity nickel is shown in Table 12.
- Table 12 High Purity Nickel Glow Discharge Mass Spectrometry (GDMS) Analysis Results No. Impurity Element 2# Sample Impurity Element Analysis (ppm)
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Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/658,626 US20090272651A1 (en) | 2004-07-28 | 2005-04-13 | Method for producing high-purity nickel |
JP2007522898A JP4659829B2 (ja) | 2004-07-28 | 2005-04-13 | 高純度ニッケルを生成する方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200410070648.2 | 2004-07-28 | ||
CNB2004100706482A CN1276129C (zh) | 2004-07-28 | 2004-07-28 | 一种制备高纯镍的方法 |
Publications (1)
Publication Number | Publication Date |
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WO2006010305A1 true WO2006010305A1 (fr) | 2006-02-02 |
Family
ID=34604510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2005/000488 WO2006010305A1 (fr) | 2004-07-28 | 2005-04-13 | Procede d'obtention d'un nickel de grande purete |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090272651A1 (zh) |
JP (1) | JP4659829B2 (zh) |
CN (1) | CN1276129C (zh) |
WO (1) | WO2006010305A1 (zh) |
Families Citing this family (16)
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CN101063210B (zh) * | 2006-04-25 | 2010-05-26 | 襄樊化通化工有限责任公司 | 以含镍废料再生为原料制造高活性镍饼工艺 |
CN102268691B (zh) * | 2011-08-04 | 2012-12-05 | 苏州晶纯新材料有限公司 | 一种高纯镍的生产方法 |
CN102995094A (zh) * | 2011-09-19 | 2013-03-27 | 代芳 | 电镀槽中金属离子浓度稳定的方法 |
CN102643990B (zh) * | 2012-05-18 | 2014-03-12 | 南京大学 | 一种螯合树脂去除高纯镍中微量铜的方法 |
CN103726069A (zh) * | 2012-10-13 | 2014-04-16 | 江西江锂科技有限公司 | 一种新型电解镍的生产方法 |
CN103046076B (zh) * | 2012-12-26 | 2016-06-08 | 浙江华友钴业股份有限公司 | 一种电积镍的制备方法 |
CN103320622A (zh) * | 2013-07-18 | 2013-09-25 | 海南金亿新材料股份有限公司 | 一种利用镍废料制备电子级甲基磺酸镍的工艺方法 |
CN104018183B (zh) * | 2014-05-30 | 2016-08-24 | 成都易态科技有限公司 | 镍的可溶阳极电解生产工艺 |
CN104611720A (zh) * | 2015-01-28 | 2015-05-13 | 江苏理工学院 | 一种由锡镍铁合金废料生产电解镍并回收锡和铁的方法 |
CN105441974B (zh) * | 2015-11-20 | 2017-12-01 | 金川集团股份有限公司 | 一种生产电积镍的方法 |
CN106283108B (zh) * | 2016-08-31 | 2018-04-03 | 中南大学 | 一种用离子交换树脂从镍电解阳极液中深度除铜的方法 |
CN108977669B (zh) * | 2018-09-13 | 2020-07-17 | 中南大学 | 一种深度脱除高浓度硫酸钴溶液中镉并回收镉的方法 |
CN110129572B (zh) * | 2019-06-18 | 2021-01-05 | 中国科学院兰州化学物理研究所 | 一种利用废旧镍基高温合金制备高纯铼酸铵的方法 |
CN113061938A (zh) * | 2021-03-09 | 2021-07-02 | 金川集团股份有限公司 | 一种生产高品质镍扣的方法 |
CN114807609B (zh) * | 2022-04-11 | 2023-04-18 | 重庆文理学院 | 一种高效回收废水中镍的方法 |
CN115573003A (zh) * | 2022-10-12 | 2023-01-06 | 金川集团股份有限公司 | 一种6n超纯镍的制备方法 |
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CA1039234A (en) * | 1972-12-01 | 1978-09-26 | Le Nickel | Process for the production of high-purity metals from nickeliferous mattes |
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2004
- 2004-07-28 CN CNB2004100706482A patent/CN1276129C/zh active Active
-
2005
- 2005-04-13 JP JP2007522898A patent/JP4659829B2/ja active Active
- 2005-04-13 WO PCT/CN2005/000488 patent/WO2006010305A1/zh active Application Filing
- 2005-04-13 US US11/658,626 patent/US20090272651A1/en not_active Abandoned
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CA1039234A (en) * | 1972-12-01 | 1978-09-26 | Le Nickel | Process for the production of high-purity metals from nickeliferous mattes |
US3983018A (en) * | 1975-02-12 | 1976-09-28 | The International Nickel Company, Inc. | Purification of nickel electrolyte by electrolytic oxidation |
JPH06136584A (ja) * | 1992-10-28 | 1994-05-17 | Sumitomo Metal Mining Co Ltd | 高純度ニッケルの製造方法 |
JPH11152592A (ja) * | 1997-11-18 | 1999-06-08 | Japan Energy Corp | 高純度ニッケルの製造方法及び薄膜形成用高純度ニッケル材料 |
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CN1489642A (zh) * | 2001-08-01 | 2004-04-14 | ��ʽ�������տ� | 高纯镍的制造方法、高纯镍、由该高纯镍构成的溅射靶及通过该溅射靶形成的薄膜 |
Also Published As
Publication number | Publication date |
---|---|
JP2008507628A (ja) | 2008-03-13 |
JP4659829B2 (ja) | 2011-03-30 |
CN1587441A (zh) | 2005-03-02 |
CN1276129C (zh) | 2006-09-20 |
US20090272651A1 (en) | 2009-11-05 |
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