CN107099677A - A kind of preparation technology of copper sponge - Google Patents
A kind of preparation technology of copper sponge Download PDFInfo
- Publication number
- CN107099677A CN107099677A CN201710408681.9A CN201710408681A CN107099677A CN 107099677 A CN107099677 A CN 107099677A CN 201710408681 A CN201710408681 A CN 201710408681A CN 107099677 A CN107099677 A CN 107099677A
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- Prior art keywords
- copper sponge
- reactive tank
- copper
- pump group
- preparation technology
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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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
- C22B15/0091—Treating solutions by chemical methods by cementation
-
- 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
- C22B3/02—Apparatus therefor
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of preparation technology of copper sponge, comprise the following steps：Step 1, iron nail is fixedly mounted on reactive tank inner bottom part by fixed structure；Step 2, in the feed pipe access material pump group one of reactive tank outer bottom, and cupric acid leaching solution is passed through into reactive tank by material pump group one so that cupric acid leaching solution occurs displacement reaction with iron nail and obtains copper sponge；Step 3, initial gross separation is carried out to copper sponge and ferrous sulfate mixture by the filtration members being arranged in reactive tank, then come out the copper sponge mixed liquor after initial gross separation from reactive tank Inner guide；Step 4, the copper sponge mixed liquor come out using water conservancy diversion in a pair of steps 3 of filter press is carried out press filtration and obtains copper sponge filter cake.The present invention realizes by above-mentioned steps and has prepared the higher copper sponge of degree of purity.
Description
Technical field
The present invention relates to preparing copper sponge technical field, more particularly to a kind of preparation technology of copper sponge.
Background technology
For copper sponge literally looks like above, the copper as sponge is exactly growed, its copper powder is in red-brown powder.Gao Pin
Position sponge copper powder is a kind of highly important raw material of industry, available for refining metallic copper and makes the octanoic acid raw material such as cuprous, and
The parts such as each Albatra metal of manufacture, hot investment casting are widely used in, replace copper material.
Data of publication of application is on January 11st, 2012, and application publication number discloses one for CN102312099A Chinese patent
The technique for planting iron powder reducing cupric acid leaching solution copper sponge preparation, the process will be by that will participate in the iron powder of reaction and contain
Copper acid leaching solution is added in the main reactor of reactor with certain speed connection, and a fixation is carried out in the presence of agitator
Reaction is changed, then enters back into intermediate reaction groove and carries out curing displacement reaction, generation copper sponge and ferrous sulfate, it is heavy to subsequently enter
Drop groove is separated into positioned at the copper sponge of subsider bottom and positioned at subsider middle and upper part tail washings, and last copper sponge passes through subsider bottom
The baiting valve in portion is collected, and tail washings is discharged from the overfall at the top of subsider.
Although the iron powder used in above-mentioned technical proposal can rapidly and efficiently react with cupric acid leaching solution, raw material iron powder
The extent of reaction is big, while being also provided with internal circulation system in main reactor and intermediate reaction groove, further increases iron powder
The extent of reaction, but iron powder is difficult to complete reaction very in real process, this is also recognized by reacting.So when to
Iron powder, first are persistently added in main reactor：Because iron powder only has certain weight, acted in the agitator of such scheme
Under, unreacted iron powder easily floats and is together flowed into product copper sponge in subsider；Second：Due to the iron being just added into
Powder needs more could thoroughly react with cupric acid leaching solution for some time, between main reactor and intermediate reaction groove,
It is connectivity structure between intermediate reaction groove and subsider, reaction is not that a period of time is carried out in a closed system, because
This, in the stirring action of agitator, goes back unreacted and is just fed directly in subsider for the iron powder that has just been added into, therefore from
It is mingled with iron tramp in the copper sponge obtained in subsider, the later stage does not extremely allow easy-clear, awaits proposing prepared by one kind again
Technique.
The content of the invention
It is an object of the invention to provide a kind of preparation technology of copper sponge, obtain miscellaneous containing iron in copper sponge by the technique
Matter is few, then just eliminates clear deimpurity operation for obtaining copper sponge.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of preparation technology of copper sponge, comprises the following steps：Step 1, iron nail is fixedly mounted on reaction by fixed structure
Groove inner bottom part；Step 2, in the feed pipe access material pump group one of reactive tank outer bottom, and by material pump group one to reactive tank
Inside it is passed through cupric acid leaching solution so that cupric acid leaching solution occurs displacement reaction with iron nail and obtains copper sponge；Step 3, lead to
Cross the filtration members being arranged in reactive tank and initial gross separation is carried out to copper sponge and ferrous sulfate mixture, then by after initial gross separation
Copper sponge mixed liquor come out from reactive tank Inner guide；Step 4, the copper sponge come out using water conservancy diversion in a pair of steps 3 of filter press
Mixed liquor carries out press filtration and obtains copper sponge filter cake.
Pass through above-mentioned technical proposal：Iron nail is fixedly installed on reactive tank inner bottom part by fixed structure, enter without with
Raw material and flow, will not more be doped in copper sponge, in the replacement process between ferro element and copper ion, iron nail surface
Have copper sponge（That is copper powder）It is replaced out, without producing iron powder, therefore will not be obtained in copper sponge doped with iron powder
Copper sponge purity it is also just higher；Because the copper sponge of generation sticks to the surface of iron nail, it is not easy to split away off, and this programme
Middle use material pump group one is passed through cupric acid leaching solution to the bottom of reactive tank, therefore can be to the table of iron nail during being passed through
Face has impact, after certain impulsive force is reached, can wash away by the copper sponge on iron nail surface, such copper sponge is with regard to energy
The top of reactive tank is floated on enough；Then under the barrier effect of filtration members, copper sponge is located at the lower section of filtration members.
More preferably：Ferrous sulfate mixture above filtration members in reactive tank is drained into by material pump group two
Discharge in groove, part of sulfuric acid ferrous iron mixture carries out secondary response with the iron powder in discharge groove, while external in discharge groove
There is filter press two.
By above-mentioned technical proposal, contain the unreacted copper ion in part in the ferrous sulfate mixture above filtration members,
By ferrous sulfate mixture by material pump group two drain into discharge groove in, then in ferrous sulfate mixture containing copper ion with
Iron powder is reacted, and so improves the utilization rate of copper ions leachate, and the iron powder set primarily to due to copper from
Sub- content is less, by increasing the contact area with copper ion and then the extent of reaction of raising copper ion.
More preferably：The ferrous sulfate in y-type filter, reactive tank above filtration members is provided with material pump group two
Mixture is also recovered by filtration by y-type filter pair in the presence of its internal a small amount of copper sponge.
Pass through above-mentioned technical proposal：Although being provided with filtration members in reactive tank, pars copper is still suffered from saturating
The top that filtration members float on filtration members is crossed, and as material pump group two is entered in discharge groove, the higher sponge of such cleanliness factor
Copper is easy for being flowed into discharge groove, will so reduce yield, and is provided with y-type filter, can be by by y-type filter
Copper sponge is filtered out, and copperas solution can be flowed into discharge groove then secondary response again, but passes through filter press two
The quality for obtaining filter cake it is relatively low because generation copper sponge in contain a certain amount of iron powder.
More preferably：Pass through the circulation pipe that is arranged on outside reactive tank to being added to cupric acid leaching solution in reactive tank
Road carries out circular response.
Pass through above-mentioned technical proposal：Circulating line is connected upper and lower outside reactive tank, and pump is installed on circulating line
Component（For example material pump group is first-class）It can be realized as being circulated the cupric acid leaching solution in reactive tank, then can
It is enough to react more abundant with iron nail.
More preferably：The filtrate being press-filtered out to filter press one is evacuated in discharge groove by material pump group two and carries out two
Secondary response.
Pass through above-mentioned technical proposal：A pair of mixed solutions containing copper sponge of filter press are carried out after press filtration operation, can be obtained
To copper sponge filter cake, and in obtained filtrate thoroughly, also there is a certain amount of copper ion, therefore will obtain filtrate in part unreacted
It is extracted into again in discharge groove by material pump group two and carries out secondary response, and then improve the utilization rate of cupric acid leaching solution, no
Easily cause waste.
More preferably：Material valve one is provided between material pump group one and raw material source；Material pump group one and circulation pipe
Material valve two is provided between road；Be provided with Material valve three between material pump group two and reactive tank, reactive tank and filter press one it
Between be provided with Material valve four.
Pass through above-mentioned technical proposal：Staff can control two processing by control material valve one, two, three, four
Material pipe between device is switched on or off, and opening Material valve one such as realizes charging；Material valve two is opened to realize instead
The cupric acid leaching solution in groove is answered to circulate；Open Material valve three to realize reactive tank and discharge the circulation between groove, reach to anti-
Copper sulphate mixed solution after answering carries out secondary response, improves the utilization rate of copper ion in raw material；And open the realization of Material valve four
Connection between filter press one and reactive tank, in this way, filtrate can carry out reaction again in discharge groove, is further improved
The utilization rate of copper ion.
More preferably：The time that cupric acid leaching solution carries out circular response is 30min.
Pass through above-mentioned technical proposal：Cupric acid leaching solution above filtration members is passed through into circulating line and material pump group one
Extract out, then introducing reactive tank from the bottom of reactive tank again carries out secondary response, and the technical scheme improves cupric by external force
The mobility of acid leaching solution, reaches reaction more fully advantage；The copper sponge on iron nail surface can be washed away simultaneously.
More preferably：Iron nail is polished using frosted in advance, is then 36.5% hydrochloric acid solution by mass fraction
Processing 1 hour, finally rinses and dries.
By above-mentioned technical proposal, grinding process is carried out using frosted, partly in order to removing unit iron rust, polishes simultaneously
Iron nail surface has irregular depression afterwards so that rough, can so increase the specific surface area of iron nail, with keto-acid containing
Property leachate between the area increase that contacts, more copper sponges can be obtained in the identical time；And be by mass fraction again
The processing of 36.5% hydrochloric acid solution, can corrode to iron nail so that depression is more irregular, while acid reagent can also remove one
Part iron rust.
In summary, the invention has the advantages that, pass through iron nail replace original technology iron powder, it is to avoid unreacted
Abundant remaining iron powder is mixed among copper sponge, and then obtains in filter press, containing impurity copper sponge, improving copper sponge
Purity；Filtration members are provided with simultaneously, and a part of sulfur acid copper mixed liquor is transferred directly in discharge groove and carries out secondary response, separately
The mixed liquor of a part of sulfur acid copper is then drained into discharge groove by the discharge of filter press one and carries out secondary response, is then improved
The utilization rate of copper ion.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present embodiment streamline；
Fig. 2 is that the present embodiment is used to show the structural representation in reactive tank；
Fig. 3 is structural representation when the present embodiment is used to show two pieces of installing plate separation.
Reference：1st, reactive tank；2nd, material pump group one；21st, product pump one；22nd, house steward；23rd, take over；3rd, filter press
One；4th, material pump group two；41st, product pump two；42nd, discharge line；5th, filter press two；6th, y-type filter；7th, groove is discharged；8th, thing
Expect valve one；9th, filtration members；10th, installing plate；101st, through hole；11st, card frame；12nd, fastener；13rd, Material valve two；14th, Material valve
Three；15th, Material valve four；16th, iron nail；17th, raw material tank；18th, circulating line.
Embodiment
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the protection domain of invention by Patent Law.
A kind of preparation technology of copper sponge, referring to Fig. 1 and 2, comprises the steps：Several 3.8 millimeters of iron nail 16 is chosen,
Then the surface of iron nail 16 is polished using dry sanding paper, gets rid of the iron rust on the surface of iron nail 16, and destroy the table of iron nail 16
Face makes its surface be polished into coarse shape, that is, is able to observe that surface has depression；Then iron nail 16 is put into container, and
The hydrochloric acid solution that mass fraction is 36.5% is poured into container, untill iron nail 16 was submerged, 1 hour is stood, then takes out
Rinsed using clear water, be then placed into drying in oven, it is to avoid its re-oxidation is got rusty.
Referring to Fig. 2 and 3, iron nail 16 is fixedly mounted on the bottom in reactive tank 1 by fixed structure, and fixed structure includes upper
Lower two pieces of installing plates 10, the installing plate 10 of lower section offers multiple rows of through hole 101, and the aperture of through hole 101 is followed closely more than iron nail 16
The diameter of body, but the diameter of the nail cap of iron nail 16 is less than, therefore iron nail 16 passes through through hole 101, and can be suspended on down
On the installing plate 10 of side, the installing plate 10 of top is then covered again, and upper and lower two pieces of installing plates 10 pass through plastic fastener 12
It is fixed with fastening cap.
The door of the side wall of reactive tank 1 is opened, the installing plate 10 for being fixed with iron nail 16 is then horizontally inserted reactive tank 1
It is interior, the hollow card frame 11 for blocking installing plate 10 is provided with reactive tank 1, card frame 11 is provided with two, one of them with
Door outlet, is easily installed plate 10 and inserts；Installing plate 10 can be realized to the inlay card of installing plate 10 by two card frames 11
It is erected in reactive tank 1, then reaches and close door again after the completion of the purpose not fallen out, inlay card.
Referring to Fig. 1 and Fig. 2, the bottom outside reactive tank 1 is fixedly connected with the shorter adapter 23 of a row, per the upper of piece-root grafting pipe 23
End is passed into reactive tank 1, and the end is corresponded to towards iron nail 16 in reactive tank 1, and the other end per piece-root grafting pipe 23 is equal
It is connected on a house steward 22, house steward 22 is connected with material pump group 1, material pump group 1 includes product pump 1, product pump
One 21 discharging interface is connected with one end of house steward 22, and the charging interface of product pump 1 is connected with material pipe, materail tube
The other end in road is extend into raw material tank 17, and raw material tank 17 is used for access cupric acid leaching solution, can by material pump group 1
Cupric acid leaching solution is driven into reactive tank 1, then the copper ion in mixture can be put with the iron in iron nail 16
Reaction is changed, and then in the Surface Creation copper sponge of iron nail 16.
It is outer there is provided circulating line 18, is followed in reactive tank 1 in order to improve the utilization rate of copper ion in cupric acid leaching solution
The upper end in endless tube road 18 is linked into the upper strata of reactive tank 1, and lower end is linked on the material pipe of material pump group 1, and is being followed
Material valve 2 13 is installed on endless tube road 18, Material valve 1 is closed, Material valve 2 13 is opened, passes through the upper strata of product pump 1
Mixture is pumped into reactive tank 1 again from the bottom of reactive tank 1, and general circulate operation is 30min, by mixed to sulfur acid copper
The operation of liquid circular response is closed, then mixture circulation is repeatedly reacted with iron nail 16, improves the utilization rate of copper ion.
Due to copper sponge only have certain weight, in reactive tank 1 solution flow drive under, copper sponge can on
It is floating；On the other hand, because the copper sponge of generation easily largely sticks to the surface of iron nail 16, and by adapter 23 towards iron nail 16
Spraying mixture, therefore stick to the copper sponge on the surface of iron nail 16 to be washed down.Staff is by sponge for convenience
Copper takes out out of reactive tank 1, and lower position of the present embodiment in reactive tank 1 has been horizontally disposed with a filtration members 9, filtration members 9
For that through liquid but can only can not pass through the microporous filter screen of copper sponge, reactive tank 1 is offered at the lower section for closing on filtration members 9
Discharging opening, copper sponge floats and is collected at the lower section of filtration members 9, and staff can access discharge nozzle in discharge outlet and then can
So that copper sponge to be drawn.Discharge nozzle is connected with filter press 1, Material valve 4 15 is provided with discharge nozzle, using press filtration
The copper sponge mixed liquor that water conservancy diversion comes out in one 3 pairs of discharge nozzles of machine carries out press filtration and obtains copper sponge filter cake and filtrate；It is simultaneously extra large
Continuous copper filter cake will be free from iron powder impurity, and purity is higher.Filtration members 9 are located at the lower section of the upper end of circulating line 18 herein, so exist
When being circulated to the mixed liquor in reactive tank 1, the copper sponge of the lower section of filtration members 9 is just not easy to be extracted reactive tank 1, is easy to
The collection of copper sponge.
Contain the unreacted copper ion in part in the ferrous sulfate mixture of the top of filtration members 9, in order to improve copper ion
Utilization rate, discharge groove 7 is provided with the side of reactive tank 1, and appropriate iron powder is put into discharge groove 7；In reactive tank 1 and discharge groove
Material pump group 24 is provided between 7, material pump group 24 includes product pump 2 41 and material pipe, and material pipe is provided with two
Section, one section is arranged between the interface of product pump 2 41 and reactive tank 1, and the end interface is adjacent to filtration members 9 and positioned at filtering
The top of part 9；Another section is connected between the discharging interface of product pump 2 41 and discharge groove 7, and the section is provided with Material valve
3 14 and y-type filter 6, it can be realized by the y-type filter 6 of setting and retention is entered to copper sponge, then staff takes out
It is poured into filter press, improves the yield of copper sponge.
Because discharge filtrate still contains a certain amount of copper ion in the filter press 1, in order to using the copper of the part from
Son, has accessed material pipe, the other end of material pipe is linked into material pump group 2 41, and interface by the liquid outlet of filter press
Between y-type filter, setting is primarily due in this place, and the copper sponge being collected into y-type filter is not contain impurity,
And derived filtrate contains impurity from filter press 1, it is to avoid the copper sponge being collected into influence y-type filter.Pass through material
Filtrate is extracted into discharge groove 7 and carries out secondary response with iron powder by pump group 24, is drained into the progress of filter press 5 two after the completion of reaction again
Press filtration again, but the part obtains filter cake and needs the filter cake obtained with filter press to be used separately, and is equally due to part filter
Doped with iron powder impurity in cake.
Claims (8)
1. a kind of preparation technology of copper sponge, it is characterised in that comprise the following steps：Step 1, by iron nail（16）Pass through fixed knot
Structure is fixedly mounted on reactive tank（1）Inner bottom part；Step 2, in reactive tank（1）The feed pipe access material pump group one of outer bottom（2）,
And pass through material pump group one（2）To reactive tank（1）Inside it is passed through cupric acid leaching solution so that cupric acid leaching solution and iron nail
（16）Generation displacement reaction obtains copper sponge；Step 3, by being arranged on reactive tank（1）Interior filtration members（9）To copper sponge and sulphur
Sour ferrous iron mixture carries out initial gross separation, then by the copper sponge mixed liquor after initial gross separation from reactive tank（1）Inner guide comes out；
Step 4, using filter press one（3）The copper sponge mixed liquor come out to water conservancy diversion in step 3 carries out press filtration and obtains copper sponge filter cake.
2. the preparation technology of a kind of copper sponge according to claim 1, it is characterised in that by reactive tank（1）Interior filtration members
（9）The ferrous sulfate mixture of top passes through material pump group two（4）Drain into discharge groove（7）It is interior, part of sulfuric acid ferrous iron mixing
Thing and discharge groove（7）Interior iron powder carries out secondary response, while in discharge groove（7）Inside it is circumscribed with filter press two（5）.
3. a kind of preparation technology of copper sponge according to claim 2, it is characterised in that material pump group two（4）It is upper to set
Y-type filter（6）, reactive tank（1）Interior filtration members（9）The ferrous sulfate mixture of top passes through y-type filter（6）Pair also deposit
A small amount of copper sponge is recovered by filtration inside it.
4. the preparation technology of a kind of copper sponge according to claim 3, it is characterised in that to being added to reactive tank（1）It is interior
Cupric acid leaching solution is by being arranged on reactive tank（1）Outer circulating line（18）Carry out circular response.
5. the preparation technology of a kind of copper sponge according to claim 4, it is characterised in that to filter press one（3）It is press-filtered out
The filtrate come passes through material pump group two（4）It is evacuated to discharge groove（7）Interior carry out secondary response.
6. a kind of preparation technology of copper sponge according to claim 5, it is characterised in that material pump group one（2）With raw material
Material valve one is provided between source（8）；Material pump group one（2）With circulating line（18）Between be provided with Material valve two（13）；Thing
Expect pump group two（4）With reactive tank（1）Between be provided with Material valve three（14）, reactive tank（1）With filter press one（3）Between be provided with
Material valve four（15）.
7. the preparation technology of a kind of copper sponge according to claim 4, it is characterised in that cupric acid leaching solution is followed
The time of ring reaction is 30min.
8. a kind of preparation technology of copper sponge according to claim 1, it is characterised in that iron nail（16）Use frosted in advance
Polished, be then that 36.5% hydrochloric acid solution is handled 1 hour by mass fraction, finally rinse and dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408681.9A CN107099677B (en) | 2017-06-02 | 2017-06-02 | A kind of preparation process of copper sponge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408681.9A CN107099677B (en) | 2017-06-02 | 2017-06-02 | A kind of preparation process of copper sponge |
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| CN107099677A true CN107099677A (en) | 2017-08-29 |
| CN107099677B CN107099677B (en) | 2019-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564380A (en) * | 2021-03-21 | 2021-10-29 | 黄石市泓义城市矿产资源产业研究院有限公司 | System for utilize zinc-containing danger waste material to remove copper and improve gained sponge copper grade |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312099A (en) * | 2011-09-29 | 2012-01-11 | 攀枝花市清洪源环保科技有限公司 | Copper sponge preparation process by reducing copper contained acidic leachate with iron powder |
-
2017
- 2017-06-02 CN CN201710408681.9A patent/CN107099677B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312099A (en) * | 2011-09-29 | 2012-01-11 | 攀枝花市清洪源环保科技有限公司 | Copper sponge preparation process by reducing copper contained acidic leachate with iron powder |
Non-Patent Citations (1)
| Title |
|---|
| 解正军: "用粗铜分析废液加不同粒度铁屑制取海绵铜研究", 《四川有色金属》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564380A (en) * | 2021-03-21 | 2021-10-29 | 黄石市泓义城市矿产资源产业研究院有限公司 | System for utilize zinc-containing danger waste material to remove copper and improve gained sponge copper grade |
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| Publication number | Publication date |
|---|---|
| CN107099677B (en) | 2019-01-08 |
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