CN106269213B - A kind of handling process of low-grade cupro-nickel electroplating sludge - Google Patents
A kind of handling process of low-grade cupro-nickel electroplating sludge Download PDFInfo
- Publication number
- CN106269213B CN106269213B CN201610910873.5A CN201610910873A CN106269213B CN 106269213 B CN106269213 B CN 106269213B CN 201610910873 A CN201610910873 A CN 201610910873A CN 106269213 B CN106269213 B CN 106269213B
- Authority
- CN
- China
- Prior art keywords
- sludge
- cupro
- nickel
- grade
- low
- 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.)
- Active
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 71
- 229910000570 Cupronickel Inorganic materials 0.000 title claims abstract description 48
- 238000009713 electroplating Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 20
- 238000005188 flotation Methods 0.000 claims abstract description 29
- 238000005245 sintering Methods 0.000 claims abstract description 27
- 238000000498 ball milling Methods 0.000 claims abstract description 14
- 239000012141 concentrate Substances 0.000 claims abstract description 11
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 9
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000002923 metal particle Substances 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- 238000011084 recovery Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000003723 Smelting Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of handling process of low-grade cupro-nickel electroplating sludge, the technique is comprised the following steps：Revolution kiln drying：Aqueous 50% 85%, cupric 1% 2.5%, nickeliferous 0.8% 2.5% low-grade cupro-nickel sludge feeding rotary kiln are dried；Chamber type sintering machine burning knot：To be sintered blocking by turning round kiln seasoned low-grade cupro-nickel sludge feeding chamber type sintering machine, after cupro-nickel metal particle diameter in sludge is by sintering, metallic compound particle diameter becomes greatly, is easy to next step ore dressing；Crusher in crushing：To be crushed by the blocking sludge feeding disintegrating machine of chamber type sintering；Ball mill ball milling：Ball milling will be carried out by the sludge of crusher in crushing feeding ball mill；Screw classifying：Screw classifying will be carried out by the sludge of ball mill ball milling feeding spiral classifier；Flotation：Flotation will be carried out by the sludge of screw classifying feeding flotation cell；Filtering：To be filtered by the sludge of flotation cell flotation feeding filter, obtained copper-nickel concentrate and tailings.
Description
Technical field
The invention belongs to technical field of sludge treatment, and in particular to a kind of handling process of low-grade cupro-nickel electroplating sludge.
Background technology
There is the cupro-nickel sludge of substantial amounts of low content in the current country, it has not been convenient to dispose, have a strong impact on the environment-protecting clean in region
Health.
In the prior art, there is major defect in the handling process of the cupro-nickel electroplating sludge of low content.For example in the prior art
The multi stage precipitation method of nickel electroplating sludge, including sludge acidleach are processed, sulfate leachate are purified using various intermediate processings so that
Collectively reside in the impurity in nickel electroplating sludge such as iron, copper, cadmium, aluminium, zinc, magnesium, calcium, lead, manganese to be removed, in afterbody precipitation
In separated from purified solution in the form of hydroxide.Although the nickel metal precipitates for obtaining reach certain purity,
Can directly be utilized in metallurgical industry, but the method not only have ignored the problem of secondary pollution, and also the method is brought
Acid solution can cause substantial amounts of pollution to environment.In addition, the method is higher due to processing cost, applicability is poor, typically
It is only suitable for the use that made a search in small-sized laboratory.
Also exist in the prior art and the technique of electroplating sludge is processed using microorganism, from electroplating sludge, waste water and lower water
Separated in road, screened, domestication obtains the SR compound functional bacterias for efficiently removing removing heavy metals.Using SR compound functional bacterias to electroplating wastewater
The metals such as middle chromium, zinc, copper, nickel and lead are purified, although the method does not use chemical reagent, will not cause strong acid, highly basic pair
The pollution that environment is caused, but separated from electroplating sludge, waste water and sewer, screened, tamed to obtain and efficiently remove removing heavy metals
SR compound functional bacterias job requirement it is higher, those skilled in the art be difficult operation.And, the SR compound functional bacterias of gained
Whether human body or animals and plants are caused harm and need further textual criticism.
On the whole, the handling process in the prior art about electroplating sludge is always too high because of processing cost, it is impossible to long
Phase operation production, and electroplating sludge is still innoxious to realize its with stabilisation/curing process, and greatly waste is caused to resource.
The content of the invention
It is an object of the invention to provide a kind of handling process of low-grade cupro-nickel electroplating sludge, choosing-smelting is combined, comprehensive to return
The low-grade cupro-nickel electroplating sludge that this difficulty is put is received, realizes turning waste into wealth.
To achieve the above object, the handling process of low-grade cupro-nickel electroplating sludge of the present invention is comprised the following steps：
Revolution kiln drying：By aqueous 50%-85%, cupric 1%-2.5%, nickeliferous 0.8%-2.5% low-grade cupro-nickel
Sludge feeding rotary kiln is dried；
Chamber type sintering machine burning knot：To be sintered by turning round kiln seasoned low-grade cupro-nickel sludge feeding chamber type sintering machine
Blocking, the cupro-nickel metal particle diameter in sludge is by the way that after sintering, metallic compound particle diameter becomes big, is easy to next step ore dressing；
Crusher in crushing：To be crushed by the blocking sludge feeding disintegrating machine of chamber type sintering；
Ball mill ball milling：Ball milling will be carried out by the sludge of crusher in crushing feeding ball mill；
Screw classifying：Screw classifying will be carried out by the sludge of ball mill ball milling feeding spiral classifier；
Flotation：Flotation will be carried out by the sludge of screw classifying feeding flotation cell；
Filtering：To be filtered by the sludge of flotation cell flotation feeding filter, obtained copper-nickel concentrate and tailings.
Preferably, the copper-nickel concentrate cupric 11.5%, nickeliferous 12.6%, copper recovery is 85%, and nickel recovery is
80%.
The low-grade cupro-nickel sludge is dehydrated granulation after turning round kiln drying, aqueous to reach 45% or so.
The rotary kiln includes Φ 2.6m × 2,22m rotary kilns, and the chamber type sintering machine includes the box burnings of 2.0m × 41m
1, knot machine.
The disintegrating machine includes 1 250mm × 150mm jaw crusher and 1 250mm × 400mm jaw crusher.
The ball mill includes 2 Φ 1500mm × 3000mm ball mills.
The spiral classifier includes 2 Φ 750mm spiral classifiers.
The flotation cell includes 5A flotation cells 20, is first fed into before flotation cell is sent into by the sludge of screw classifying
2 Φ 1500mm agitators are stirred, and being then fed into 1 Φ 6000mm concentrator carries out separation of solid and liquid.
The invention has the advantages that：The handling process and prior art of low-grade cupro-nickel electroplating sludge of the present invention
Compare, the new technology combined using choosing-smelting is pelletized by rotary kiln drying and dewatering, then forms block by chamber type sintering machine burning,
The particle diameter of metallic compound is become big, then it is floating by broken, ball milling, screw classifying, choosing, output copper-nickel concentrate, copper-nickel concentrate contains
Copper 11.5%, nickeliferous 12.6%, copper recovery 85%, nickel recovery 80%, the low-grade copper that synthetical recovery this difficulty is put
Nickel electroplating sludge, realizing turns waste into wealth.
Brief description of the drawings
Fig. 1 is the process equipment configuration figure of the handling process of low-grade cupro-nickel electroplating sludge of the present invention.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
As shown in figure 1, the handling process of low-grade cupro-nickel electroplating sludge of the present invention is comprised the following steps：
Revolution kiln drying：By aqueous 50%-85%, cupric 1%-2.5%, nickeliferous 0.8%-2.5% low-grade cupro-nickel
Sludge feeding rotary kiln is dried；
Chamber type sintering machine burning knot：To be sintered by turning round kiln seasoned low-grade cupro-nickel sludge feeding chamber type sintering machine
Blocking, the cupro-nickel metal particle diameter in sludge is by the way that after sintering, metallic compound particle diameter becomes big, is easy to next step ore dressing；
Crusher in crushing：To be crushed by the caked sludge feeding disintegrating machine of chamber type sintering machine burning；
Ball mill ball milling：Ball milling will be carried out by the sludge of crusher in crushing feeding ball mill；
Screw classifying：Screw classifying will be carried out by the sludge of ball mill ball milling feeding spiral classifier；
Flotation：Flotation will be carried out by the sludge of screw classifying feeding flotation cell；
Filtering：To be filtered by the sludge of flotation cell flotation feeding filter, obtained copper-nickel concentrate and tailings.
Preferably, the copper-nickel concentrate cupric 11.5%, nickeliferous 12.6%, copper recovery is 85%, and nickel recovery is
80%.
The low-grade cupro-nickel sludge is dehydrated granulation after turning round kiln drying, aqueous to reach 45% or so.
The rotary kiln includes Φ 2.6m × 2,22m rotary kilns, and the chamber type sintering machine includes the box burnings of 2.0m × 41m
1, knot machine.
The disintegrating machine includes 1 250mm × 150mm jaw crusher and 1 250mm × 400mm jaw crusher.
The ball mill includes 2 Φ 1500mm × 3000mm ball mills.
The spiral classifier includes 2 Φ 750mm spiral classifiers.
The flotation cell includes 5A flotation cells 20, is first fed into before flotation cell is sent into by the sludge of screw classifying
2 Φ 1500mm agitators are stirred, and being then fed into 1 Φ 6000mm concentrator carries out separation of solid and liquid.
The handling process of low-grade cupro-nickel electroplating sludge of the present invention is respectively adopted smelting system and ore-sorting system reality
Show choosing-smelting to combine.In smelting system, aqueous 50%-85%, cupric 1%-2.5%, the low product of nickeliferous 0.8%-2.5%
Position cupro-nickel sludge sequentially passes through revolution kiln drying and chamber type sintering machine burning knot, after cupro-nickel metal particle diameter in sludge is by sintering,
Metallic compound particle diameter becomes big, is easy to next step ore dressing.
The grade yield of the metallic compound of sintered material is as shown in the table after sintering：
Result in upper table shows that material particular diameter accounts for 87% more than 0.1mm after sintering, and material particular diameter is more than before sintering
0.1mm's accounts for 35%, and this is the foundation that the present invention takes this technique.
It is floating by broken, ball milling, screw classifying, choosing by the caked sludge of chamber type sintering machine burning in ore-sorting system,
Output copper-nickel concentrate, copper-nickel concentrate cupric 11.5%, nickeliferous 12.6%, copper recovery is 85%, and nickel recovery is 80%.
Although the present invention is described in detail above to have used general explanation and specific embodiment, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (6)
1. a kind of handling process of low-grade cupro-nickel electroplating sludge, it is characterised in that the place of the low-grade cupro-nickel electroplating sludge
Science and engineering skill is comprised the following steps：
Revolution kiln drying：By aqueous 50%-85%, cupric 1%-2.5%, nickeliferous 0.8%-2.5% low-grade cupro-nickel sludge
Feeding rotary kiln is dried；
Chamber type sintering machine burning knot：To be sintered into by turning round kiln seasoned low-grade cupro-nickel sludge feeding chamber type sintering machine
Block, the cupro-nickel metal particle diameter in sludge is by the way that after sintering, metallic compound particle diameter becomes big, is easy to next step ore dressing；
Crusher in crushing：To be crushed by the caked sludge feeding disintegrating machine of chamber type sintering machine burning；
Ball mill ball milling：Ball milling will be carried out by the sludge of crusher in crushing feeding ball mill；
Screw classifying：Screw classifying will be carried out by the sludge of ball mill ball milling feeding spiral classifier；
Flotation：Flotation will be carried out by the sludge of screw classifying feeding flotation cell；
Filtering：To be filtered by the sludge of flotation cell flotation feeding filter, obtained copper-nickel concentrate and tailings；
The low-grade cupro-nickel sludge is dehydrated granulation after turning round kiln drying, aqueous to reach 45%；
The rotary kiln includes Φ 2.6m × 2,22m rotary kilns, and the chamber type sintering machine includes 2.0m × 41m chamber type sinterings machine 1
Platform.
2. the handling process of low-grade cupro-nickel electroplating sludge as claimed in claim 1, it is characterised in that the copper-nickel concentrate contains
Copper 11.5%, nickeliferous 12.6%, copper recovery is 85%, and nickel recovery is 80%.
3. the handling process of low-grade cupro-nickel electroplating sludge as claimed in claim 1, it is characterised in that the disintegrating machine includes
1 250mm × 150mm jaw crusher and 1 250mm × 400mm jaw crusher.
4. the handling process of low-grade cupro-nickel electroplating sludge as claimed in claim 1, it is characterised in that the ball mill includes
2 Φ 1500mm × 3000mm ball mills.
5. the handling process of low-grade cupro-nickel electroplating sludge as claimed in claim 1, it is characterised in that the spiral classifier
Including 2 Φ 750mm spiral classifiers.
6. the handling process of low-grade cupro-nickel electroplating sludge as claimed in claim 1, it is characterised in that the flotation cell includes
5A flotation cells 20, being first fed into 2 Φ 1500mm agitators before flotation cell is sent into by the sludge of screw classifying is carried out
Stirring, being then fed into 1 Φ 6000mm concentrator carries out separation of solid and liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910873.5A CN106269213B (en) | 2016-10-19 | 2016-10-19 | A kind of handling process of low-grade cupro-nickel electroplating sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910873.5A CN106269213B (en) | 2016-10-19 | 2016-10-19 | A kind of handling process of low-grade cupro-nickel electroplating sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106269213A CN106269213A (en) | 2017-01-04 |
| CN106269213B true CN106269213B (en) | 2017-05-31 |
Family
ID=57718845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610910873.5A Active CN106269213B (en) | 2016-10-19 | 2016-10-19 | A kind of handling process of low-grade cupro-nickel electroplating sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106269213B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629028A (en) * | 2019-09-27 | 2019-12-31 | 广东金宇环境科技有限公司 | Process for treating sludge containing copper and nickel by combination method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285972A (en) * | 1991-07-29 | 1994-02-15 | Shell Research Limited | Ore processing |
| CN101073790A (en) * | 2006-12-22 | 2007-11-21 | 昆明贵金属研究所 | Reduction-mill concentration treatment for different-type red-clay nickel mine |
| CN103088209A (en) * | 2013-03-01 | 2013-05-08 | 中南大学 | Floating and smelting combined method for air-granulating lead smelting slag and utilizing waste heat |
| CN103103344A (en) * | 2013-03-01 | 2013-05-15 | 中南大学 | Dressing-smelting combined treatment method for sulfate-containing lead-zinc smelting slags |
| CN104342556A (en) * | 2013-08-06 | 2015-02-11 | 沈志良 | Method for extracting copper or nickel from copper or nickel-contained sludge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPR437601A0 (en) * | 2001-04-12 | 2001-05-17 | Wmc Resources Limited | Process for sulphide concentration |
-
2016
- 2016-10-19 CN CN201610910873.5A patent/CN106269213B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285972A (en) * | 1991-07-29 | 1994-02-15 | Shell Research Limited | Ore processing |
| CN101073790A (en) * | 2006-12-22 | 2007-11-21 | 昆明贵金属研究所 | Reduction-mill concentration treatment for different-type red-clay nickel mine |
| CN103088209A (en) * | 2013-03-01 | 2013-05-08 | 中南大学 | Floating and smelting combined method for air-granulating lead smelting slag and utilizing waste heat |
| CN103103344A (en) * | 2013-03-01 | 2013-05-15 | 中南大学 | Dressing-smelting combined treatment method for sulfate-containing lead-zinc smelting slags |
| CN104342556A (en) * | 2013-08-06 | 2015-02-11 | 沈志良 | Method for extracting copper or nickel from copper or nickel-contained sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106269213A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10118182B2 (en) | Incineration byproduct processing and methods | |
| CN101204681B (en) | Method of refining iron ore from alkaline red mud and making gangue neutral | |
| US20120298562A1 (en) | Ash processing and metals recovery systems and methods | |
| CN109487078B (en) | Resource utilization method for cooperative treatment of high-iron red mud and waste cathode | |
| CN101914684A (en) | Method for harmless treatment and comprehensive utilization of manganese metallurgical leached residue | |
| CA2937134C (en) | Process for producing hematite for ironmaking | |
| CN111085336B (en) | Method for recycling iron raw material and tail slag from rotary kiln slag without harm | |
| CN101928793B (en) | Steel slag treatment method | |
| CN104609443A (en) | Method and equipment for extracting potassium salt from sintering machine head electroprecipitating dust in metallurgical industry | |
| KR20170056577A (en) | Method for processing and removing electornic waste with a view to recovering the components included in such waste | |
| CN105107614A (en) | Recycling method of metallic iron in mixed steel slag of weakly magnetic iron and magnetic iron | |
| CN101264464B (en) | Purification technique of steel scoria magnetic separation product | |
| CN216738476U (en) | System for regenerating calcium aluminate by utilizing harmless secondary aluminum ash | |
| CN106269213B (en) | A kind of handling process of low-grade cupro-nickel electroplating sludge | |
| CN104388687A (en) | Comprehensive recycling utilization method for sintering electric dust removal ash | |
| CN105177286A (en) | Purification process for copper ores | |
| CN107470016B (en) | A method of chemical industry iron powder is prepared by raw material of zinc kiln slag | |
| WO2012102265A1 (en) | Process for production of ore slurry | |
| CN105290410A (en) | Method for preparing and reducing iron powder through steelmaking sludge | |
| CN104846213A (en) | Gold concentrate calcine multi-element gradient recovery method | |
| WO2024040891A1 (en) | Treatment method for carbonate lithium clay | |
| JP6699388B2 (en) | Mine wastewater treatment method | |
| JP2016159210A (en) | Treatment method and treatment device of incineration ash | |
| JP5858189B2 (en) | Method for producing hematite for iron making | |
| RU2277597C2 (en) | Process for extraction of zinc from blast furnace production slimes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 517000 Chuanlong group, Liangcun village, Huangtian Town, Dongyuan County, Heyuan City, Guangdong Province Patentee after: Guangdong Jinyu Environmental Technology Co.,Ltd. Address before: 517500 Chuanlong group, Liangcun village, Huangtian Town, Dongyuan County, Heyuan City, Guangdong Province Patentee before: GUANGDONG JINYU ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A treatment process of low-grade copper nickel electroplating sludge Effective date of registration: 20211027 Granted publication date: 20170531 Pledgee: Dongyuan County sub branch of Postal Savings Bank of China Ltd. Pledgor: Guangdong Jinyu Environmental Technology Co.,Ltd. Registration number: Y2021980011457 |