CN107385212A - A kind of method of the P204 extractions organic removing ammonia of Ni - Google Patents
A kind of method of the P204 extractions organic removing ammonia of Ni Download PDFInfo
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- CN107385212A CN107385212A CN201710551800.6A CN201710551800A CN107385212A CN 107385212 A CN107385212 A CN 107385212A CN 201710551800 A CN201710551800 A CN 201710551800A CN 107385212 A CN107385212 A CN 107385212A
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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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
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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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
- C22B23/0461—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods
- C22B23/0469—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods by chemical substitution, e.g. by cementation
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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
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
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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
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- Mechanical Engineering (AREA)
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- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses a kind of method of P204 extraction organic removing ammonia of Ni, comprise the following steps：A, the 50g/L of 30g/L containing nickel ion nickel salt solution is prepared；P204 is extracted to the nickel salt solution prepared in Ni organic A with step mix, split-phase after extracting P204 using nickel salt solution that Ni is organic and washing, obtaining washing P204 after ammonia, to extract Ni organic B,；C, P204 extraction Nis are organic after washing ammonia with acid back extraction, obtain nickel strip liquor.To P204 extractions, Ni is organic washs by the 50g/L of 30g/L containing nickel ion nickel salt solution by the present invention, the Ni in washing process in nickel salt solution2+By P204 extraction Ni it is organic on NH4 +Replace, by controlling wash conditions, ammonia removal rate can reach more than 90%, nickel ammonia ratio is more than 80 in strip liquor after washing, the present invention is using the washing methods that a kind of technique is simple, flow is short, the ammonia with regard to that can remove the P204 extraction organic upper residuals of Ni so that ammonia content is reduced to below 1g/L in strip liquor, and other impurity are not introduced, it can be effectively ensured and subsequently obtain pure strip liquor.
Description
Technical field
The invention belongs to technical field of wet metallurgy, and in particular to a kind of method of the P204 extractions organic removing ammonia of Ni.
Background technology
Because ammoniacal liquor has volatility, be easy to subsequent recovery to utilize, therefore, in extraction of nickel using ammonia soap replace soda soap by
Step is applied.Organic using ammoniacal liquor saponification particularly in P204 extraction of nickel, extraction is understood some ammonia after terminating and remained in
Load on organic, strip liquor is entered during back extraction, and then influence product quality.Using the side such as traditional reduction saponification rate and pickling
Method, ammonia content does not reach the purpose for reducing ammonia content in strip liquor in 8g/L or so in strip liquor.
The content of the invention
The invention aims to solve technical problem present in prior art, there is provided a kind of easy and effective, flow
The method of the P204 extractions organic removing ammonia of Ni that is short and can guarantee that to obtain pure strip liquor.
In order to achieve the above object, the present invention uses following technical scheme：A kind of P204 extractions organic removing ammonia of Ni
Method, this method comprise the following steps：
A, the nickel salt solution of the 30g/L-50g/L containing nickel ion is prepared；
P204 is extracted to the nickel salt solution prepared in the organic A with step of Ni to mix B, P204 extraction nickel born using nickel salt solution
Split-phase after the machine of being loaded with is washed, it is organic to obtain P204 extraction Nis after washing ammonia；
C, P204 extraction Nis are organic after washing ammonia with acid back extraction, obtain nickel strip liquor.
Further, washing is 5-12 compared to O/A when being washed in the step B:1st, series is 2-10 stage countercurrents, washing
Time is 2-10min, wash temperature is 20 DEG C -40 DEG C.
Further, nickel salt solution is one kind in nickel sulfate, nickel chloride, nickel nitrate solution in the step A.
Further, acid is hydrochloric acid or sulfuric acid in the step C.
Further, it is stripped when being stripped in the step C using four-stage counter-current.
The present invention has the advantages that compared with the prior art：The nickel that the present invention passes through the 30g/L-50g/L containing nickel ion
Ni is organic washs to P204 extractions for salting liquid, the Ni in washing process in nickel salt solution2+P204 extraction Nis is organic
On NH4 +Replace, by controlling wash conditions, ammonia removal rate can reach more than 90%, nickel ammonia ratio in the strip liquor after washing
More than 80, the present invention is using the washing methods that a kind of technique is simple, flow is short, with regard to that can remove the P204 extraction organic upper residuals of Ni
Ammonia so that ammonia content is reduced to below 1g/L in strip liquor, and does not introduce other impurity, can be effectively ensured subsequently obtain it is pure
Strip liquor.
Brief description of the drawings
Fig. 1 is the process chart of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of method of the P204 extractions organic removing ammonia of Ni, this method comprise the following steps：Prepare the nickel of the 45g/L containing nickel ion
Salting liquid, nickel salt solution are nickel sulfate solution；Then P204 is extracted into the organic nickel sulfate solution with preparation of Ni to mix, utilized
Nickel sulfate solution is 5 compared to O/A in washing:1st, series is that 2 stage countercurrents, time 2min, temperature are right under conditions of being 25 DEG C
P204 extractions Ni is organic washed after split-phase, P204 extraction Nis are organic after obtaining washing ammonia；It is anti-with hydrochloric acid four-stage counter-current again
P204 extraction Nis are organic after extraction washes ammonia, obtain nickel strip liquor.
When the method without using the present embodiment is to the organic deamination of P204 extraction Nis, the composition such as institute of table one of strip liquor
Show.
Table one：Without using embodiment 1 method carry out deamination when strip liquor composition（%）
During using the method for the present embodiment to the organic deamination of P204 extraction Nis, the composition of strip liquor is as shown in Table 2.
Table two：Using embodiment 1 method carry out deamination when strip liquor composition（%）
Embodiment 2
A kind of method of the P204 extractions organic removing ammonia of Ni, this method comprise the following steps：Prepare the nickel of the 30g/L containing nickel ion
Salting liquid, nickel salt solution are nickel nitrate solution；Then P204 is extracted into the organic nickel nitrate solution with preparation of Ni to mix, utilized
Nickel nitrate solution is 12 compared to O/A in washing:1st, under conditions of series is 10 stage countercurrents, time 10min, temperature are 20 DEG C
To P204 extractions Ni is organic wash after split-phase, P204 extraction Nis are organic after obtaining washing ammonia；Sulfuric acid four-stage counter-current is used again
P204 extraction Nis are organic after ammonia is washed in back extraction, obtain nickel strip liquor.
When the method without using the present embodiment is to the organic deamination of P204 extraction Nis, the composition such as institute of table three of strip liquor
Show.
Table three：Without using embodiment 2 method carry out deamination when strip liquor composition（%）
During using the method for the present embodiment to the organic deamination of P204 extraction Nis, the composition of strip liquor is as shown in Table 4.
Table four：Using embodiment 2 method carry out deamination when strip liquor composition（%）
Embodiment 3
A kind of method of the P204 extractions organic removing ammonia of Ni, this method comprise the following steps：Prepare the nickel of the 50g/L containing nickel ion
Salting liquid, nickel salt solution are nickel chloride solution；Then P204 is extracted into the organic nickel chloride solution with preparation of Ni to mix, utilized
Nickel chloride solution is 8 than O/A in extraction phase:1st, series is that 6 stage countercurrents, time 5min, temperature are right under conditions of being 40 DEG C
P204 extractions Ni is organic washed after split-phase, P204 extraction Nis are organic after obtaining washing ammonia；It is anti-with hydrochloric acid four-stage counter-current again
P204 extraction Nis are organic after extraction washes ammonia, obtain nickel strip liquor.
When the method without using the present embodiment is to the organic deamination of P204 extraction Nis, the composition such as institute of table five of strip liquor
Show.
Table five：Without using embodiment 3 method carry out deamination when strip liquor composition（%）
During using the method for the present embodiment to the organic deamination of P204 extraction Nis, the composition of strip liquor is as shown in Table 6.
Table six：Using embodiment 3 method carry out deamination when strip liquor composition（%）
Embodiment 4
A kind of method of the P204 extractions organic removing ammonia of Ni, this method comprise the following steps：Prepare the nickel of the 50g/L containing nickel ion
Salting liquid, nickel salt solution are nickel sulfate solution；Then P204 is extracted into the organic nickel sulfate solution with preparation of Ni to mix, utilized
Nickel sulfate solution is 6 than O/A in extraction phase:1st, series is that 4 stage countercurrents, time 8min, temperature are right under conditions of being 30 DEG C
P204 extractions Ni is organic washed after split-phase, P204 extraction Nis are organic after obtaining washing ammonia；It is anti-with sulfuric acid four-stage counter-current again
P204 extraction Nis are organic after extraction washes ammonia, obtain nickel strip liquor.
When the method without using the present embodiment is to the organic deamination of P204 extraction Nis, the composition such as institute of table seven of strip liquor
Show.
Table seven：Without using embodiment 4 method carry out deamination when strip liquor composition（%）
During using the method for the present embodiment to the organic deamination of P204 extraction Nis, the composition of strip liquor is as shown in Table 8.
Table eight：Using embodiment 4 method carry out deamination when strip liquor composition（%）
Claims (5)
- A kind of 1. method of the P204 extractions organic removing ammonia of Ni, it is characterised in that this method comprises the following steps：A, the nickel salt solution of the 30g/L-50g/L containing nickel ion is prepared；P204 is extracted to the nickel salt solution prepared in the organic A with step of Ni to mix B, P204 extraction nickel born using nickel salt solution Split-phase after the machine of being loaded with is washed, it is organic to obtain P204 extraction Nis after washing ammonia；C, P204 extraction Nis are organic after washing ammonia with acid back extraction, obtain nickel strip liquor.
- A kind of 2. method of P204 extractions organic removing ammonia of Ni according to claim 1, it is characterised in that：The step Washing is 5-12 compared to O/A when being washed in B:1st, series is 2-10 stage countercurrents, wash time 2-10min, wash temperature 20 ℃-40℃。
- A kind of 3. method of P204 extractions organic removing ammonia of Ni according to claim 1, it is characterised in that：The step Nickel salt solution is one kind in nickel sulfate, nickel chloride, nickel nitrate solution in A.
- A kind of 4. method of P204 extractions organic removing ammonia of Ni according to claim 1, it is characterised in that：The step Acid is hydrochloric acid or sulfuric acid in C.
- A kind of 5. method of P204 extractions organic removing ammonia of Ni according to claim 1, it is characterised in that：The step It is stripped when being stripped in C using four-stage counter-current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710551800.6A CN107385212A (en) | 2017-07-07 | 2017-07-07 | A kind of method of the P204 extractions organic removing ammonia of Ni |
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| CN201710551800.6A CN107385212A (en) | 2017-07-07 | 2017-07-07 | A kind of method of the P204 extractions organic removing ammonia of Ni |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102210A (en) * | 1985-04-01 | 1986-09-17 | 中国科学院长春应用化学研究所 | Process for seperation of mixed rare-earths by ammoniated HEH (EHP) |
| US6149885A (en) * | 1997-04-30 | 2000-11-21 | Sumitomo Metal Mining Co., Ltd. | Method for purifying a nickel sulfate solution by solvent extraction |
| CN101121080A (en) * | 2007-05-15 | 2008-02-13 | 廖春生 | Method for preparing ammonia-calcium composite saponification agent and method for continuous saponification extracting |
| CN105219965A (en) * | 2015-10-07 | 2016-01-06 | 天祝宏达经贸有限责任公司 | Utilize the method for nickeliferous electroplating sludge, nickel spent catalyst, useless nickel slag extraction nickel, copper |
-
2017
- 2017-07-07 CN CN201710551800.6A patent/CN107385212A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85102210A (en) * | 1985-04-01 | 1986-09-17 | 中国科学院长春应用化学研究所 | Process for seperation of mixed rare-earths by ammoniated HEH (EHP) |
| US6149885A (en) * | 1997-04-30 | 2000-11-21 | Sumitomo Metal Mining Co., Ltd. | Method for purifying a nickel sulfate solution by solvent extraction |
| CN101121080A (en) * | 2007-05-15 | 2008-02-13 | 廖春生 | Method for preparing ammonia-calcium composite saponification agent and method for continuous saponification extracting |
| CN105219965A (en) * | 2015-10-07 | 2016-01-06 | 天祝宏达经贸有限责任公司 | Utilize the method for nickeliferous electroplating sludge, nickel spent catalyst, useless nickel slag extraction nickel, copper |
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