CN109517983A - A kind of method that HoY solution removes ferrous ion - Google Patents
A kind of method that HoY solution removes ferrous ion Download PDFInfo
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- CN109517983A CN109517983A CN201811563308.1A CN201811563308A CN109517983A CN 109517983 A CN109517983 A CN 109517983A CN 201811563308 A CN201811563308 A CN 201811563308A CN 109517983 A CN109517983 A CN 109517983A
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- CN
- China
- Prior art keywords
- hoy
- ion
- ferrous ion
- solution
- aqueous solution
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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
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- 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
- C22B3/28—Amines
-
- 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
- C22B59/00—Obtaining rare earth metals
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of methods that HoY solution removes ferrous ion, suitable hydrogen peroxide is added into HoY aqueous solution makes oxidation of divalent iron ion become ferric ion, then ferric ion is extracted by N235- sec-octyl alcohol-kerosene organic system, obtain the HoY aqueous solution without iron ion (being less than 5ppm), this method simple process, will not introduce other impurities in HoY solution, and energy consumption is few, it is at low cost, and it is not necessarily to newly added equipment.
Description
Technical field
The present invention relates to rare earth manufacture fields, and in particular to a kind of method that HoY solution removes ferrous ion.
Background technique
Iron mainly is removed with extraction in the prior art, i.e. configuration N235- sec-octyl alcohol-kerosene organic system passes through extraction
Method extracts the ferric ion in solution, and rare earth ion is not extracted, and is stayed in raffinate (water phase) and is separated, and is had
Machine mutually uses tap water/pure water/alkaline water back extraction iron, and organic phase may be reused.
But not merely contain ferric ion in rare earth aqueous solution, in practical applications, Rare Earth Separation factory feed liquid is miscellaneous
Matter mainly has several: solid insoluble is mingled with, soluble non-rare earth impurity such as iron ion, aluminium ion, calcium ion, silicon salt, a small amount of
Sulfate radical etc. mainly discusses the removal of iron ion in rareearth enriching material HoY solution herein.The hydroxide of Fe3+ precipitates pH value
In 1.7-3.5, and the hydroxide of Fe2+ precipitating pH value is 8 or so, the hydroxide precipitating PH of rare earth Ho-Y 5.7-7.5 it
Between, iron tramp can not be completely removed with hydroxide precipitation method；Also it can not be removed with N235- sec-octyl alcohol-kerosene organic system
Ferrous ion.
Summary of the invention
The object of the present invention is to provide a kind of method that HoY solution removes ferrous ion, this method simple process, Bu Hui
Other impurities are introduced in HoY solution, energy consumption is few, and it is at low cost, and it is not necessarily to newly added equipment.
Concrete scheme of the invention is as follows: a kind of method that HoY solution removes ferrous ion is added into HoY aqueous solution
Suitable hydrogen peroxide makes oxidation of divalent iron ion become ferric ion, then will by N235- sec-octyl alcohol-kerosene organic system
Ferric ion extracts, and obtains the HoY aqueous solution without iron ion (being less than 5ppm).
In method of the above-mentioned HoY solution except ferrous ion, the additive amount of the hydrogen peroxide is equivalent to ferrous iron
1.5-2.5 times of the mole of ion.
In method of the above-mentioned HoY solution except ferrous ion, in the N235- sec-octyl alcohol-kerosene organic system
The content of each substance are as follows: 20% volume of N235；Sec-octyl alcohol 15-20% volume；Kerosene 60%-65% volume.
Above-mentioned HoY solution except ferrous ion method in, the N235- sec-octyl alcohol-kerosene organic system and
The volume ratio of HoY aqueous solution is 1~5:1.
In method of the above-mentioned HoY solution except ferrous ion, the mixed reaction time of hydrogen peroxide and ferrous ion
For
Wherein, in N235- sec-octyl alcohol-kerosene organic system each substance content are as follows: N235 20Vol%；Zhong Xin
Alcohol 15Vol%；Kerosene 65Vol%；The volume ratio of the N235- sec-octyl alcohol-kerosene organic system and HoY aqueous solution is 4:1.
Embodiment 3
A kind of method that HoY solution removes ferrous ion, includes the following steps:
Step 1: suitable hydrogen peroxide is added into HoY aqueous solution makes oxidation of divalent iron ion become ferric ion, double
Oxygen water can also can be deployed with excessive addition in the case where calculating the mole of ferrous ion, in general, be suitable for
The concentration of the hydrogen peroxide used is 25-27%, and the additive amount of hydrogen peroxide is equivalent to 2.5 times of the mole of ferrous ion.
The reaction temperature of step 1 is room temperature, reaction time 10min.
Step 2: ferric ion being extracted by N235- sec-octyl alcohol-kerosene organic system, is obtained without iron ion
HoY aqueous solution.
Wherein, in N235- sec-octyl alcohol-kerosene organic system each substance content are as follows: N235 20Vol%；Zhong Xin
Alcohol 18Vol%；Kerosene 62Vol%；The volume ratio of the N235- sec-octyl alcohol-kerosene organic system and HoY aqueous solution is 5:1.
Embodiment 4
A kind of method that HoY solution removes ferrous ion, includes the following steps:
Step 1: suitable hydrogen peroxide is added into HoY aqueous solution makes oxidation of divalent iron ion become ferric ion, double
Oxygen water can also can be deployed with excessive addition in the case where calculating the mole of ferrous ion, in general, be suitable for
The concentration of the hydrogen peroxide used is 25-27%, and the additive amount of hydrogen peroxide is equivalent to 2.2 times of the mole of ferrous ion.
The reaction temperature of step 1 is room temperature, reaction time 8min.
Step 2: ferric ion being extracted by N235- sec-octyl alcohol-kerosene organic system, is obtained without iron ion
HoY aqueous solution.
Wherein, in N235- sec-octyl alcohol-kerosene organic system each substance content are as follows: N235 20Vol%；Zhong Xin
Alcohol 16Vol%；Kerosene 64Vol%；The volume ratio of the N235- sec-octyl alcohol-kerosene organic system and HoY aqueous solution is 4:1.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (5)
1. a kind of method that HoY solution removes ferrous ion, which is characterized in that add suitable hydrogen peroxide into HoY aqueous solution
So that oxidation of divalent iron ion is become ferric ion, is then extracted ferric ion by N235- sec-octyl alcohol-kerosene organic system
It takes out, obtains the HoY aqueous solution without iron ion.
2. the method that HoY solution according to claim 1 removes ferrous ion, which is characterized in that the hydrogen peroxide
Additive amount is equivalent to 1.5-2.5 times of the mole of ferrous ion.
3. the method that HoY solution according to claim 1 removes ferrous ion, which is characterized in that the N235- Zhong Xin
The content of each substance in alcohol-kerosene organic system are as follows: 20% volume of N235；Sec-octyl alcohol 15-20% volume；Kerosene 60%-65%
Volume.
4. the method that HoY solution according to claim 3 removes ferrous ion, which is characterized in that the N235- Zhong Xin
The volume ratio of alcohol-kerosene organic system and HoY aqueous solution is 1~5:1.
5. the method that HoY solution according to claim 1 removes ferrous ion, which is characterized in that hydrogen peroxide and ferrous iron
The mixed reaction time of ion is 3-30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563308.1A CN109517983A (en) | 2018-12-20 | 2018-12-20 | A kind of method that HoY solution removes ferrous ion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563308.1A CN109517983A (en) | 2018-12-20 | 2018-12-20 | A kind of method that HoY solution removes ferrous ion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109517983A true CN109517983A (en) | 2019-03-26 |
Family
ID=65796048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811563308.1A Pending CN109517983A (en) | 2018-12-20 | 2018-12-20 | A kind of method that HoY solution removes ferrous ion |
Country Status (1)
| Country | Link |
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| CN (1) | CN109517983A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660678A (en) * | 2012-05-17 | 2012-09-12 | 四川大学 | Method for selectively separating iron from hydrochloric acid solution containing ferrous chloride |
| CA2868363A1 (en) * | 2012-03-19 | 2013-09-26 | Orbite Aluminae Inc. | Processes for recovering rare earth elements and rare metals |
| US20130336856A1 (en) * | 2012-05-04 | 2013-12-19 | Vale S/A | System and method for rare earths extraction |
| CN107130120A (en) * | 2017-04-28 | 2017-09-05 | 广西师范大学 | A kind of non-rare earth impurity and rare earth element extraction separating method |
| CN107287421A (en) * | 2017-05-23 | 2017-10-24 | 清华大学 | A kind of process from hydrochloric acid leaching system extracting and refining molysite |
| RU2640479C2 (en) * | 2016-03-30 | 2018-01-09 | федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный унивеситет" | Method of extracting rare earth metals from wet-process phosphoric acid when processing apatite concentrates |
| CN108486372A (en) * | 2018-02-13 | 2018-09-04 | 广西师范大学 | The removal methods of impurity in a kind of Rare Earth Mine leachate |
-
2018
- 2018-12-20 CN CN201811563308.1A patent/CN109517983A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2868363A1 (en) * | 2012-03-19 | 2013-09-26 | Orbite Aluminae Inc. | Processes for recovering rare earth elements and rare metals |
| US20130336856A1 (en) * | 2012-05-04 | 2013-12-19 | Vale S/A | System and method for rare earths extraction |
| CN102660678A (en) * | 2012-05-17 | 2012-09-12 | 四川大学 | Method for selectively separating iron from hydrochloric acid solution containing ferrous chloride |
| RU2640479C2 (en) * | 2016-03-30 | 2018-01-09 | федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный унивеситет" | Method of extracting rare earth metals from wet-process phosphoric acid when processing apatite concentrates |
| CN107130120A (en) * | 2017-04-28 | 2017-09-05 | 广西师范大学 | A kind of non-rare earth impurity and rare earth element extraction separating method |
| CN107287421A (en) * | 2017-05-23 | 2017-10-24 | 清华大学 | A kind of process from hydrochloric acid leaching system extracting and refining molysite |
| CN108486372A (en) * | 2018-02-13 | 2018-09-04 | 广西师范大学 | The removal methods of impurity in a kind of Rare Earth Mine leachate |
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Application publication date: 20190326 |