CN106244829A - The method of Ti recovery from oil-containing germanium waste material - Google Patents
The method of Ti recovery from oil-containing germanium waste material Download PDFInfo
- Publication number
- CN106244829A CN106244829A CN201610818650.6A CN201610818650A CN106244829A CN 106244829 A CN106244829 A CN 106244829A CN 201610818650 A CN201610818650 A CN 201610818650A CN 106244829 A CN106244829 A CN 106244829A
- Authority
- CN
- China
- Prior art keywords
- germanium
- oil
- waste material
- recovery
- carry out
- 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
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
- C22B41/00—Obtaining germanium
-
- 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
-
- 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 method of Ti recovery from oil-containing germanium waste material, the Organic substances such as big gauging are contained mainly for oil-containing germanium waste material, as: in the production and the course of processing of single germanium wafer used for solar batteries, when wire cutting machine is cut into slices, the mixed material of cutting cooling waste liquid germanium powder, carborundum powder and the C10 lubricating oil etc. of generation.Employing first adds water, detergent, liquid detergent carry out heating emulsification process, add hydrogen peroxide and carry out oxidation processes, then add hydrochloric acid and carry out chlorinated distillation extraction germanium, the present invention is compared with the current methods using sodium hydroxide saponification to process in current production technology, the cost of supplementary product not only added lowers 40～50%, and the germanium response rate is up between 98.05～99.38%；Reclaim the germanium tetrachloride obtained and can carry out separatory and purification processes, it is also possible to germanium dioxide is prepared in hydrolysis；Residual liquid can carry out residual acid and oil recovery processes, and residue can carry out the recycling of carborundum.
Description
Technical field
The present invention relates to the method for Ti recovery from oil-containing germanium waste material, contain particularly to a kind of solar energy germanium processing waste material
The method of oil germanium mud Ti recovery, belongs to technical field of wet metallurgy.
Background technology
Germanium is at infrared optical material, semi-conducting material, optical fibers, electronics industry, catalyst, medicine, health care food at present
The demand in the fields such as product is the most growing.Nowadays from the important regenerated resources having become as germanium containing Ti recovery germanium waste material.Contain
The germanium waste material that germanium waste material produces during including producing germanium ingot, germanium semiconductor device, germanium optical fibers, germanium preparation etc., therein
Recovery method is different because of germanic grade and contaminated situation, and the technology extracting Ti recovery includes: (1) alkali-melting after vulcanization
Acid acidifying, then the method that chlorinated distillation extracts germanium, be mainly used in Ti recovery from germanite English glass waste；(2) hydrochloric acid, fluorine are used
Change ammonium, permanganate pretreatment, then the method carrying out Distillation recovery germanium, be mainly used in Ti recovery from germanic many metalliferous materials；
(3) add phosphoric acid after using sodium carbonate, sodium peroxide to dissolve, then add the method that hydrochloric acid carries out chlorinated distillation Ti recovery, mainly
Ti recovery in sige alloy waste material；(4) with Kelex-100 solution as extractant, sulfonated coal after employing adds nitric acid leaching
The mixed solution of oil and isooctanol is diluent, the method for extracted germanium Ti recovery from leachate, is mainly used in from germanic discarded
Ti recovery in original paper.
Above-mentioned Kelex-100 solution be external aluminum i ndustry for extracting the Novel Extractant of gallium, chemistry full name be: 7-(4-
Ethyl-1-Methyl Octyl)-8-hydroxyquinoline.
In the production and the course of processing of single germanium wafer used for solar batteries, when wire cutting machine is cut into slices, employ C10
Number cutting lubricating oil as coolant, and using carborundum as cutting powder, consequent cutting cooling waste liquid be germanium powder, carbonization
The mixture of silica flour and C10 lubricating oil etc., hereinafter referred to as " oil-containing germanium mud ".Organic containing germanium waste material for oil-containing etc.
Processing method Patents has:
(1) " reclamation of germanium from germanium waste material by wet (ZL200610048818.6) ".First use the Organic substances such as sodium hydroxide saponification oil,
Carry out oxidation processes with hydrogen peroxide (i.e. hydrogenperoxide steam generator) again, add hydrochloric acid and carry out chlorinated distillation Ti recovery, the germanium response rate
95 ~ 98.5%, but the input adjuvant amount such as sodium hydroxide, hydrogen peroxide, hydrochloric acid is higher, and when containing Organic substance amount more than 10%, no
Only put into adjuvant amount to increase, and the germanium response rate is difficult to breakthrough 95%.
(2) " germanium substrate slice processing liquid waste treatment process used for solar batteries (CN201110025386.8) ".The method is
First filtering and separate oil and solid waste, oil recycles；(i.e. hydrogen peroxide is molten for solid waste hydro-oxidation sodium and hydrogen peroxide
Liquid) carry out dissolving and make germanium proceed in solution, after filtering residue and solution, slag carries out the recovery of carborundum, and in filtrate, germanium adds hydrochloric acid
Carry out chlorinated distillation and extract germanium.But the shortcoming of the method is oil filtration treatment difficulty big, sodium hydroxide and hydrogen peroxide input amount are big
(4 times and 2 times of unit germanium material), hydrochloric acid input amount are big (unit germanium material 8 times), and only putting into enough adjuvant amounts could protect
The card germanium response rate breaks through 97.50%.
Lincang Xin Yuanzhe industry company is for place's science and engineering of " solar energy germanium processing waste material oil-containing germanium mud " material at present
Skill, the technique substantially using patent " germanium substrate slice processing liquid waste treatment process used for solar batteries (CN201110025386.8) "
Method, C10 lubricating oil is first first recovered by filtration, then remove the oil of residue 10 ~ 20% by the method for burning, regather after burning recrement with
Flue dust carries out wet treatment Ti recovery.This set processes technique and there is the problem that owing to oil filters not exclusively occur combustion during burning
Burn and not exclusively cause air pollution, and difficulty of gathering dust causes germanium loss, and later stage wet treatment equally exists addition adjuvant hydrogen
The problems such as sodium oxide, hydrogen peroxide, salt acid consumption are big.
It is computed, the actual production input ratio of adjuvant in above-mentioned germanium substrate slice processing liquid waste treatment process used for solar batteries
Example is: oil-containing germanium mud raw material (kg): water (mL): sodium hydroxide (kg): hydrogen peroxide (kg): hydrochloric acid (kg)=1:0.85:0.35:
1.25:9。
It should be noted that, in above-mentioned patent application (CN201110025386.8), the material of write ratio is to filter oil removing
Weight g of later remaining slag charge is counted, and actual production is in terms of weight g putting into material (oil-containing 50-60%) is come, patent with
There is some difference for auxiliary material proportion input by actual production, and because actual production input amount is big, uncertain factor is many and is exaggerated,
So just having adjusted adjuvant adding proportion for ensureing that germanium direct yield and production cost put into, the ratio that puts into herein is to pass through
Productive statistics annual is calculated.
Summary of the invention
The technical problem to be solved in the present invention is to overcome in prior art solar energy germanium processing waste material oil-containing germanium
The processing method of waste material or technique exist and add the defect that the consumption of adjuvant is big, it is provided that a kind of Ti recovery from oil-containing germanium waste material
Method.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of method of Ti recovery from oil-containing germanium waste material, its feature is, described method comprises the steps:
(1) in oil-containing germanium waste material, add water, detergent and liquid detergent and carry out heating emulsification process, be then cooled to room temperature；
(2) the material addition hydrogen peroxide cooled down to emulsifying carries out oxidation processes, is slowly added to and stirs；
(3) add hydrochloric acid to well-oxygenated material and carry out chlorinated distillation extraction germanium；
(4) the product germanium tetrachloride collected carries out separatory process and carry out germanium tetrachloride purification and oil recovery again, or directly
Connecing is hydrolyzed to the product germanium tetrachloride collected prepares germanium dioxide.
It is preferred that in step (1), in shown oil-containing germanium waste material, the mass ratio of oil-containing is less than 60%；Described water, laundry
The addition of powder and liquid detergent is, the oil-containing germanium waste material based on g: the water based on mL: the detergent based on g: the liquid detergent based on g
=1:1～1.5:0.05～0.08:0.1～0.2；Heating emulsification temperature 85～95 DEG C, the stirring and emulsifying time is 10～12min.
It is preferred that in step (2), the mass concentration of the described hydrogen peroxide that oxidation processes adds is 30 ~ 50%, described double
The addition of oxygen water is, the oil-containing germanium waste material based on g: the hydrogen peroxide=1:0.15～0.25 based on mL, stirring oxidization time 15 ~
20min。
It is preferred that in step (3), it is 10.0～11.0mol/ that chlorinated distillation extracts the concentration of the described hydrochloric acid that germanium adds
L, the addition of described hydrochloric acid is, the oil-containing germanium waste material based on g: the hydrochloric acid=1:2.5～3.0 based on mL, vapo(u)rizing temperature 105～
115 DEG C, distillation time 30～40min.
It is preferred that in step (4), further comprise the steps of:
Residual acid uses separatory to process and reclaims residual acid and oil；Residual acid sludge first neutralizes with sodium hydroxide, then with liquid detergent and hot wash
Filter post-drying and reclaim carborundum.
Reaction equation involved in the present invention is:
Ge+2H2O2=GeO2+2HO2
GeO2+4HCl=GeCl4+2H2O
The not only germanium response rate of the method for Ti recovery from oil-containing germanium waste material that the present invention provides is up to more than 98.05%, if adding salt
Acid amount is that more than the 3 times germanium response rate of unit material are up to more than 99.38%.
The cost of supplementary product of interpolation compared with process of the prior art reduces 40 ~ 50%, and current workshop processes oil-containing germanium
Mud waste recovery 1kg germanium metal, pre-treatment needs cost of supplementary product 140 ~ 150 yuan；And the inventive method is located before reclaiming 1kg germanium metal
Reason is added cost of supplementary product and is only had 80 ~ 87 yuan；And technological process, operation and equipment are simple, whole Ti recovery process time reduces；
Free of air pollution, slag and oil are equally recycled.
The method of Ti recovery from oil-containing germanium waste material that the present invention provides can solve following problem: (1) contains germanium waste material (as too
Sun can use germanium processing waste material) the direct Ti recovery of Organic substance such as oil-containing is difficult；(2) method using burning oil removing not only can pollute sky
Gas also can cause the loss of germanium；(3) sodium hydroxide saponification, hydrogen peroxide oxidation is used to process, then the method that chlorinated distillation extracts germanium
Sodium hydroxide, hydrogen peroxide, hydrochloric acid consume the problems such as big.For above three problem, the invention provides one detergent, wash
Clean essence, water emulsification pre-treatment, the most again with the material that hydrogen peroxide oxidation emulsifying is good, carry out chlorinated distillation the most again and extract the side of germanium
Method.The method processes the mass ratio of oil-containing containing the germanium waste material germanium response rate less than 60% up to more than 98.05%, and adds
Supplies cost is the 40-50% using burning oil removal process, sodium hydroxide saponification to process process at present, not only cost fall
Low and air will not be polluted, do not result in the loss of germanium yet.Output acid sludge can carry out carborundum recycling, if containing
Germanium waste material oil content is big, and oil therein can carry out oil recovery equally after having carried germanium.
Pre-treating technology flow process of the present invention, simple to operate, process the time brief, and put into cost of supplementary product and compare the most raw
Production. art can reduce by 40～50%, and the germanium response rate is also improved.
Accompanying drawing explanation
Fig. 1 is the flow chart that the present invention processes technique.
Detailed description of the invention
Further illustrate the present invention below by the mode of embodiment, but the most therefore limit the present invention to described reality
Execute among example scope.
Being understood incorporated by reference to Fig. 1, the implementation case has prepared three kinds of different materials of oil content altogether and has carried out method enforcement
Test, takes a certain amount of oil-containing germanium waste material respectively and stirs in a reservoir and be sufficiently mixed uniformly, take a certain amount of sample 150～200
DEG C drying measures wherein oil content, then the slag taking oil-free is analyzed germanic amount of metal, can use the inventive method emulsifying equally
Oxidation processes carrys out the germanium grade of direct analysis test oil-containing germanium waste material.
Material 1: the mass ratio 50～60% of oil-containing, germanium grade 2.256～2.815%；
Material 2: the mass ratio 20～40% of oil-containing, germanium grade 3.384～4.512%；
Material 3: the mass ratio 5～20% of oil-containing, germanium grade 4.512～5.358%.
Embodiment 1
A kind of method of Ti recovery from oil-containing germanium waste material, specifically comprises the following steps that
1st step, accurately takes out material 1 oil-containing germanium waste material (oil-containing 56%, germanium grade 2.256%) 30.0g, and add 30.0mL water,
2.0g detergent, 6.0g liquid detergent, heat while stirring and carry out emulsifying 10min, and emulsifying is cooled to room temperature after terminating.
2nd step, takes 7.5 mL hydrogen peroxide (mass concentration is 30%) point and is slowly added into the material that the 1st step emulsifying is good 4 times
In, and be stirred continuously and carry out oxidation processes 20min.
3rd step, after oxidation processes terminates, takes 80mL hydrochloric acid (concentration is 10.06mol/L) and joins in the 2nd step at oxidation
In the material managed, and proceeding by chlorinated distillation Ti recovery, germanium receives the sodium hydroxide that liquid selection mass concentration is 10% to be carried out
Receive, vapo(u)rizing temperature 105～115 DEG C；Distillation time 35min；Germanium steam rate up to 98.11%, metal balance rate 100.32%.
4th step, uses the method recovered oil of separatory by the liquid that receives in the 3rd step, and residual acid separatory reclaims sour and oily, if residue
Need to reclaim carborundum with in appropriate sodium hydroxide and residue, then with appropriate liquid detergent and hot wash filtration residue, then carry out
Dry and reclaim carborundum；If residue does not reclaim carborundum, available lime water is slagged tap with later hot detergent water and filters,
Slag after filtration carries out pyrogenic process Ti recovery process.
Case study on implementation 2
1st step, accurately takes out material 2 oil-containing germanium waste material (oil-containing 34%, germanium grade 3.948%) 30.0g, and add 30.0mL water,
1.5g detergent, 4.0g liquid detergent, heat while stirring and carry out emulsifying 10min, and emulsifying is cooled to room temperature after terminating.
2nd step, takes 6.0mL hydrogen peroxide (mass concentration is 30%) point and is slowly added into the material that in the 1st step, emulsifying is good 4 times
In, and be stirred continuously and carry out oxidation processes 20min.
3rd step, after oxidation processes terminates, takes 85.0mL hydrochloric acid (concentration is 10.05mol/L) and joins oxidation in the 2nd step
In the material handled well, and proceeding by chlorinated distillation Ti recovery, germanium receives the sodium hydroxide that liquid selection mass concentration is 10% and enters
Row receives, vapo(u)rizing temperature 105～115 DEG C；Distillation time 40min；Germanium steam rate up to 99.03%, metal balance rate 100.05%.
4th step, identical with the 4th step of embodiment 1, the liquid that receives in the 3rd step is used the method recovered oil of separatory, residual acid
Separatory reclaims sour and oily, and residue if desired reclaims carborundum with in appropriate sodium hydroxide and residue, then by appropriate liquid detergent and heat
Water washing filtration residue, then carry out drying recovery carborundum；If residue does not reclaim carborundum, with later heat in available lime water
Detergent water slag tap and filter, the slag after filtration carries out pyrogenic process Ti recovery process.
Case study on implementation 3
1st step, accurately takes out material 3 oil-containing germanium waste material (oil-containing 11%, germanium grade 5.076%) 30.0g, and add 30.0mL water,
1.5g detergent, 3.0g liquid detergent, heat while stirring and carry out emulsifying 10min, and emulsifying is cooled to room temperature after terminating.
2nd step, takes 6.0mL hydrogen peroxide (mass concentration is 30%) point and is slowly added into the material that in the 1st step, emulsifying is good 4 times
In, and be stirred continuously and carry out oxidation processes 20min.
3rd step, after oxidation processes terminates, takes 90.0mL hydrochloric acid (concentration is 10.05mol/L) and joins oxidation in the 2nd step
In the material handled well, and proceeding by chlorinated distillation Ti recovery, germanium receives the sodium hydroxide that liquid selection mass concentration is 10% and enters
Row receives, vapo(u)rizing temperature 105～115 DEG C；Distillation time 35min；Germanium steam rate up to 99.29%, metal balance rate 100.27%.
4th step, identical with the 4th step of embodiment 1, the liquid that receives in the 3rd step is used the method recovered oil of separatory, residual acid
Separatory reclaims sour and oily, and residue if desired reclaims carborundum with in appropriate sodium hydroxide and residue, then by appropriate liquid detergent and heat
Water washing filtration residue, then carry out drying recovery carborundum；If residue does not reclaim carborundum, with later heat in available lime water
Detergent water slag tap and filter, the slag after filtration carries out pyrogenic process Ti recovery process.
Although the foregoing describing the detailed description of the invention of the present invention, it will be appreciated by those of skill in the art that these
Being merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of the principle and essence of the present invention, these embodiments can be made various changes or modifications, but these change
Protection scope of the present invention is each fallen within amendment.
Claims (5)
1. the method for Ti recovery from oil-containing germanium waste material, it is characterised in that: described method comprises the steps:
(1) in oil-containing germanium waste material, add water, detergent and liquid detergent and carry out heating emulsification process, be then cooled to room temperature；
(2) the material addition hydrogen peroxide cooled down to emulsifying carries out oxidation processes, is slowly added to and stirs；
(3) add hydrochloric acid to well-oxygenated material and carry out chlorinated distillation extraction germanium；
(4) the product germanium tetrachloride collected carries out separatory process and carry out germanium tetrachloride purification and oil recovery again, or directly
Connecing is hydrolyzed to the product germanium tetrachloride collected prepares germanium dioxide.
The method of Ti recovery from oil-containing germanium waste material the most according to claim 1, it is characterised in that in step (1), institute
Show that in oil-containing germanium waste material, the mass ratio of oil-containing is less than 60%；The addition of described water, detergent and liquid detergent is, containing based on g
Oil germanium waste material: the water based on mL: the detergent based on g: liquid detergent=1:1～1.5:0.05 based on g～0.08:0.1～0.2；
Heating emulsification temperature 85～95 DEG C, the stirring and emulsifying time is 10～12min.
The method of Ti recovery from oil-containing germanium waste material the most according to claim 1, it is characterised in that in step (2), oxygen
It is 30 ~ 50% that change processes the mass concentration of the described hydrogen peroxide added, and the addition of described hydrogen peroxide is, the oil-containing germanium based on g gives up
Material: the hydrogen peroxide=1:0.15～0.25 based on mL, stirs oxidization time 15 ~ 20min.
The method of Ti recovery from oil-containing germanium waste material the most according to claim 1, it is characterised in that in step (3), chlorine
The concentration changing the described hydrochloric acid that distillation extraction germanium adds is 10.0～11.0mol/L, and the addition of described hydrochloric acid is, based on g
Oil-containing germanium waste material: the hydrochloric acid=1:2.5～3.0 based on mL, vapo(u)rizing temperature 105～115 DEG C, distillation time 30～40min.
The method of Ti recovery from oil-containing germanium waste material the most according to claim 1, it is characterised in that in step (4), also
Including step: residual acid uses separatory to process and reclaims residual acid and oil；Residual acid sludge first neutralizes with sodium hydroxide, then with liquid detergent and hot water
Washing and filtering post-drying reclaims carborundum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610818650.6A CN106244829A (en) | 2016-09-13 | 2016-09-13 | The method of Ti recovery from oil-containing germanium waste material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610818650.6A CN106244829A (en) | 2016-09-13 | 2016-09-13 | The method of Ti recovery from oil-containing germanium waste material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106244829A true CN106244829A (en) | 2016-12-21 |
Family
ID=57598802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610818650.6A Pending CN106244829A (en) | 2016-09-13 | 2016-09-13 | The method of Ti recovery from oil-containing germanium waste material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106244829A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863111A (en) * | 2019-12-16 | 2020-03-06 | 中锗科技有限公司 | Method for recovering germanium from germanium single crystal multi-wire cutting processing oil germanium mixture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186973A (en) * | 2006-11-15 | 2008-05-28 | 云南临沧鑫圆锗业股份有限公司 | Reclamation of germanium from chromium-germanium alloy waste material by wet method |
| CN101186974A (en) * | 2006-11-15 | 2008-05-28 | 云南临沧鑫圆锗业股份有限公司 | Reclamation of germanium from germanium waste material by wet method |
| CN101575675A (en) * | 2009-05-25 | 2009-11-11 | 刘嵘 | Method for producing cast tungsten carbide by using hard-alloy grinding waste material |
| CN102071320A (en) * | 2011-01-24 | 2011-05-25 | 云南临沧鑫圆锗业股份有限公司 | Solar cell germanium substrate slice processing liquid waste treatment process |
| RU2514546C2 (en) * | 2012-06-05 | 2014-04-27 | Федеральное государственное бюджетное учреждение науки Институт неорганической химии им. А.В.Николаева Сибирского отделения Российской академии наук (ИНХ СО РАН) | Extraction of bismuth and germanium from wastes of bismuth orthogermanate crystals production |
-
2016
- 2016-09-13 CN CN201610818650.6A patent/CN106244829A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186973A (en) * | 2006-11-15 | 2008-05-28 | 云南临沧鑫圆锗业股份有限公司 | Reclamation of germanium from chromium-germanium alloy waste material by wet method |
| CN101186974A (en) * | 2006-11-15 | 2008-05-28 | 云南临沧鑫圆锗业股份有限公司 | Reclamation of germanium from germanium waste material by wet method |
| CN101575675A (en) * | 2009-05-25 | 2009-11-11 | 刘嵘 | Method for producing cast tungsten carbide by using hard-alloy grinding waste material |
| CN102071320A (en) * | 2011-01-24 | 2011-05-25 | 云南临沧鑫圆锗业股份有限公司 | Solar cell germanium substrate slice processing liquid waste treatment process |
| RU2514546C2 (en) * | 2012-06-05 | 2014-04-27 | Федеральное государственное бюджетное учреждение науки Институт неорганической химии им. А.В.Николаева Сибирского отделения Российской академии наук (ИНХ СО РАН) | Extraction of bismuth and germanium from wastes of bismuth orthogermanate crystals production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863111A (en) * | 2019-12-16 | 2020-03-06 | 中锗科技有限公司 | Method for recovering germanium from germanium single crystal multi-wire cutting processing oil germanium mixture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhang et al. | Comparison of ultrasonic-assisted and regular leaching of germanium from by-product of zinc metallurgy | |
| CN101817526B (en) | Method for recovering polyethylene glycol and silicon carbide from silicon crystal cutting waste liquid | |
| CN102363522B (en) | Technology for extracting selenium from low-grade selenium-containing material | |
| CN106319218A (en) | Method for recovering rare earth, aluminum and silicon from rare earth-containing aluminum and silicon wastes | |
| CN104928475B (en) | A kind of recovery method of the aluminium scrap silicon containing rare earth | |
| CN106222456B (en) | A method of recovering rare earth and transition from waste nickel hydrogen battery | |
| CN105229843A (en) | The processing method of fluorine-containing electrolyte | |
| CN102602991A (en) | Preparation method of pigment-level titanium dioxide powder by cyclic hydrochloric acid micro emulsion method | |
| CN107177737A (en) | Spent vanadium catalyst comprehensive reutilization method | |
| CN107151746A (en) | The alkaline process handling process of lithium ore | |
| CN104120268A (en) | Method for extracting scandium from waste titanium dioxide acid and bayer method red mud in normal pressure at low temperature | |
| CN103103349A (en) | Method for decomposing bayan obo rare earth ore concentrate by acid and alkali combination at low temperature | |
| CN107385216A (en) | The method that monohydrate zinc sulphate is prepared from utilising zinc containing waste residue | |
| CN113651341A (en) | Method for synthesizing lithium hexafluorophosphate solution by using fluorine-containing waste residues | |
| CN105293454A (en) | Method for preparing dilute nitric acid, sponge tin and polymeric aluminum through spent tin-fading liquid | |
| CN107344725A (en) | The preparation technology of elemental lithium in sulfuric acid straight dipping process extraction lithium ore | |
| CN102390832B (en) | Method for treating waste silicon powder produced in trichlorosilane synthesis process | |
| CN106244829A (en) | The method of Ti recovery from oil-containing germanium waste material | |
| CN106365189A (en) | Comprehensive utilization method of silicon residue soil | |
| CN101195478A (en) | Method for removing foreign matter selenium in solid tellurium powder | |
| CN102079520A (en) | Recycling method of silicon carbide | |
| CN103074497A (en) | Method for recovering silver from waste film | |
| CN102229863A (en) | Method for recovering grease from oil-containing argil residue by squeezing | |
| CN104789800B (en) | The method that rubidium is extracted from salt lake bittern | |
| CN106498168B (en) | The method that gallium is reclaimed from oil-containing GaAs mud |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20161221 |