CN108178532A - A kind of method of copper ashes flotation tailings comprehensive utilization - Google Patents
A kind of method of copper ashes flotation tailings comprehensive utilization Download PDFInfo
- Publication number
- CN108178532A CN108178532A CN201711360502.5A CN201711360502A CN108178532A CN 108178532 A CN108178532 A CN 108178532A CN 201711360502 A CN201711360502 A CN 201711360502A CN 108178532 A CN108178532 A CN 108178532A
- Authority
- CN
- China
- Prior art keywords
- tailings
- magnetic separation
- copper ashes
- flotation tailings
- comprehensive utilization
- 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
- 239000010949 copper Substances 0.000 title claims abstract description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 52
- 238000005188 flotation Methods 0.000 title claims abstract description 47
- 235000002918 Fraxinus excelsior Nutrition 0.000 title claims abstract description 37
- 239000002956 ash Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000007885 magnetic separation Methods 0.000 claims abstract description 44
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 28
- 239000012141 concentrate Substances 0.000 claims abstract description 17
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 16
- 239000000292 calcium oxide Substances 0.000 claims abstract description 16
- 239000006148 magnetic separator Substances 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 229910052593 corundum Inorganic materials 0.000 claims description 9
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 5
- 229910052840 fayalite Inorganic materials 0.000 claims description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 5
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000002893 slag Substances 0.000 description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
- C04B7/42—Active ingredients added before, or during, the burning process
- C04B7/421—Inorganic materials
- C04B7/424—Oxides, Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of methods of copper ashes flotation tailings comprehensive utilization, belong to technical field of resource comprehensive utilization.The present invention crushes copper ashes flotation tailings, fine grinding；Under the conditions of magnetic separation strength is 200 ~ 250mT, magnetic separator separation Fe is carried out3O4Obtain magnetic separation of iron ore concentrate and magnetic separation tailings；Processing is dried in magnetic separation tailings；Quick lime is added in magnetic separation tailings and is uniformly mixed, then is placed in 3 ~ 5h of progress high temperature sintering processing under the conditions of temperature is 900 ~ 1100 DEG C and obtains clinker.The synthetical recovery of the achievable copper ashes flotation tailings high added value of the present invention.
Description
Technical field
The present invention relates to a kind of methods of copper ashes flotation tailings comprehensive utilization, belong to technical field of resource comprehensive utilization.
Background technology
More than 90% enterprise carries out Copper making using thermal process in the world, can a large amount of copper of output in copper pyrometallurgy process
Slag（1 ton of copper by-product, 2~3 tons of copper ashes）, including smelting slag, blowing slag, refining slag, Copper in Slag is about 3~6%.Contain for slag
The problem of copper is higher, most domestic cupper smelting recycle copper using floatation process, which is the skill of current comparative maturity
Art.Copper ashes flotation can generate a large amount of flotation tailings, and flotation tailings copper content is 0.2~0.4%, without the value of recycling copper.
The common processing method of flotation tailings is stockpiling, but stockpiling can occupy a large amount of soils, and tailings belongs to solid waste
Object, there are some potential safety problemss.Copper ashes flotation tailings can as production cement, the additive of the construction materials such as concrete,
Cement production enterprise can be inexpensively sold to, but most enterprises to flotation tailings and lose interest in.Exist for copper ashes flotation tailings
Yield it is big, it is difficult, pollution environment the problems such as, with reference in copper ashes flotation tailings contain a large amount of valuable metal iron, part expert
The technique that scholar proposes copper ashes flotation tailings recycling iron.Liu Yu et al. using magnetic separation roughing, regrind, magnetic separation is selected, reverse flotation etc.
Technique carried out from copper ashes nominal group process recycle iron ore concentrate and coal separation heavymedia separation experiment, can obtain yield for 10.24 %,
The qualified iron ore concentrate and yield that Iron grade is 51.56 % are 17.66 %, Iron grade is 53.38 %, density is 4.35 g/cm3Choosing
Coal dense media.Chinese patent application No. is 201510231002.6 discloses a kind of copper smelting-furnace slag flotation mining tailing iron
Technique, copper flotation tailing by low intensity magnetic separation, reverse flotation, scan, it is dense, filtering method recycle ferrous metal resource.This method work
Skill is complicated, flow is longer, has only recycled iron resource, and there is no realize comprehensive utilization of resources.
Invention content
For existing copper slag flotation tailings comprehensive utilization technique problem, the present invention provides a kind of copper ashes flotation tailings synthesis profit
Method, the valuable component that the method for the present invention can be in Recovering Copper slag flotation tailings realize that the height of copper ashes flotation tailings is attached
Value added, inexpensive, high efficiency utilizes.
A kind of method of copper ashes flotation tailings comprehensive utilization, is as follows：
（1）Pretreatment：Copper ashes flotation tailings is crushed, is finely ground to grain size as 0.1 ~ 0.4mm；
（2）Under the conditions of magnetic separation strength is 200 ~ 250mT, by step（1）The copper ashes flotation tailings of pretreatment carries out magnetic separator
Detach Fe3O4Obtain magnetic separation of iron ore concentrate and magnetic separation tailings；Processing is dried in magnetic separation of iron ore concentrate and magnetic separation tailings respectively；
（3）Quick lime is added to step（2）It is uniformly mixed in the magnetic separation tailings of drying process, then it is 900 ~ 1100 to be placed in temperature
3 ~ 5h of high temperature sintering processing is carried out under the conditions of DEG C and obtains clinker；
The step（3）The addition of middle quick lime is the 20 ~ 30% of magnetic separation tailings quality；
It is calculated in mass percent, the step（1）Cu accounts for 0.2 ~ 0.4%, Fe and accounts for 40 ~ 50%, SiO in copper ashes flotation tailings2Account for 25 ~
30%, surplus CaO, MgO and Al2O3；The object of Fe is mutually Fe3O4And Fe2SiO4。
CaOSiO in the clinker2、Al2O3、Fe2O3Gross mass percentage be not less than 96%；
It is calculated in mass percent, Fe in the magnetic separation of iron ore concentrate3O4Content be not less than 55%, Fe3O4The rate of recovery be not less than
99%。
Beneficial effects of the present invention：The method of the present invention can be in Recovering Copper slag flotation tailings valuable component, realize copper
The comprehensive utilization of slag flotation tailings high added value, low cost, short route；Metallurgical solid waste resource clean and effective is solved to utilize
Problem.
Specific embodiment
The present invention is described in further detail With reference to embodiment, but protection scope of the present invention and unlimited
In the content.
Embodiment 1：It is calculated in mass percent, Cu accounts for 0.4%, Fe and accounts for 48%, SiO in copper ashes flotation tailings in the present embodiment2
29% is accounted for, surplus CaO, MgO and Al2O3；The object of Fe is mutually Fe3O4And Fe2SiO4。
A kind of method of copper ashes flotation tailings comprehensive utilization, is as follows：
（1）Pretreatment：Copper ashes flotation tailings is crushed, is finely ground to grain size as 0.10 ~ 0.15mm；
（2）Under the conditions of magnetic separation strength is 220mT, by step（1）The copper ashes flotation tailings of pretreatment carries out 3 times points of magnetic separator
From Fe3O4Obtain magnetic separation of iron ore concentrate and magnetic separation tailings；Magnetic separation of iron ore concentrate is placed under the conditions of temperature is 160 DEG C and processing is dried；Magnetic
Tailings is selected to be placed under the conditions of temperature is 120 DEG C, processing is dried；
（3）Quick lime is added to step（2）It is uniformly mixed in the magnetic separation tailings of drying process, then is placed in temperature as 900 DEG C of items
High temperature sintering processing 3h is carried out under part and obtains clinker；Wherein the addition of quick lime is the 27% of magnetic separation tailings quality；
CaOSiO in the present embodiment clinker2、Al2O3、Fe2O3Gross mass percentage be 96.8%；
It is calculated in mass percent, Fe in the magnetic separation of iron ore concentrate3O4Content be 56%, Fe3O4The rate of recovery be 99.3%.
Embodiment 2：It is calculated in mass percent, Cu accounts for 0.3%, Fe and accounts for 45%, SiO in copper ashes flotation tailings in the present embodiment2
30% is accounted for, surplus CaO, MgO and Al2O3；The object of Fe is mutually Fe3O4And Fe2SiO4。
A kind of method of copper ashes flotation tailings comprehensive utilization, is as follows：
（1）Pretreatment：Copper ashes flotation tailings is crushed, is finely ground to grain size as 0.25 ~ 0.30mm；
（2）Under the conditions of magnetic separation strength is 250mT, by step（1）The copper ashes flotation tailings of pretreatment carries out 3 times points of magnetic separator
From Fe3O4Obtain magnetic separation of iron ore concentrate and magnetic separation tailings；Magnetic separation of iron ore concentrate is placed under the conditions of temperature is 180 DEG C and processing is dried；Magnetic
Tailings is selected to be placed under the conditions of temperature is 130 DEG C, processing is dried；
（3）Quick lime is added to step（2）It is uniformly mixed in the magnetic separation tailings of drying process, then is placed in temperature as 1100 DEG C of items
High temperature sintering processing 5h is carried out under part and obtains clinker；Wherein the addition of quick lime is the 25% of magnetic separation tailings quality；
CaOSiO in the present embodiment clinker2、Al2O3、Fe2O3Gross mass percentage be 97.5%；
It is calculated in mass percent, Fe in the magnetic separation of iron ore concentrate3O4Content be 58%, Fe3O4The rate of recovery be 99.5%.
Embodiment 3：It is calculated in mass percent, Cu accounts for 0.2%, Fe and accounts for 46%, SiO in copper ashes flotation tailings in the present embodiment2
26% is accounted for, surplus CaO, MgO and Al2O3；The object of Fe is mutually Fe3O4And Fe2SiO4。
A kind of method of copper ashes flotation tailings comprehensive utilization, is as follows：
（1）Pretreatment：Copper ashes flotation tailings is crushed, is finely ground to grain size as 0.10 ~ 0.20mm；
（2）Under the conditions of magnetic separation strength is 240mT, by step（1）The copper ashes flotation tailings of pretreatment carries out 2 times points of magnetic separator
From Fe3O4Obtain magnetic separation of iron ore concentrate and magnetic separation tailings；Magnetic separation of iron ore concentrate is placed under the conditions of temperature is 170 DEG C and processing is dried；Magnetic
Tailings is selected to be placed under the conditions of temperature is 150 DEG C, processing is dried；
（3）Quick lime is added to step（2）It is uniformly mixed in the magnetic separation tailings of drying process, then is placed in temperature as 1050 DEG C of items
High temperature sintering processing 4h is carried out under part and obtains clinker；Wherein the addition of quick lime is the 23% of magnetic separation tailings quality；
CaOSiO in the present embodiment clinker2、Al2O3、Fe2O3Gross mass percentage be 97.2%；
It is calculated in mass percent, Fe in the magnetic separation of iron ore concentrate3O4Content be 57%, Fe3O4The rate of recovery be 99.4%.
Claims (3)
- A kind of 1. method of copper ashes flotation tailings comprehensive utilization, which is characterized in that be as follows：（1）Pretreatment：Copper ashes flotation tailings is crushed, is finely ground to grain size as 0.1 ~ 0.4mm；（2）Under the conditions of magnetic separation strength is 200 ~ 250mT, by step（1）The copper ashes flotation tailings of pretreatment carries out magnetic separator Detach Fe3O4Obtain magnetic separation of iron ore concentrate and magnetic separation tailings；Processing is dried in magnetic separation of iron ore concentrate and magnetic separation tailings respectively；（3）Quick lime is added to step（2）It is uniformly mixed in the magnetic separation tailings of drying process, then it is 900 ~ 1100 to be placed in temperature 3 ~ 5h of high temperature sintering processing is carried out under the conditions of DEG C and obtains clinker.
- 2. the method for copper ashes flotation tailings comprehensive utilization according to claim 1, it is characterised in that：Step（3）Middle quick lime Addition be magnetic separation tailings quality 20 ~ 30%.
- 3. the method for copper ashes flotation tailings comprehensive utilization according to claim 1, it is characterised in that：It is calculated in mass percent, Step（1）Cu accounts for 0.2 ~ 0.4%, Fe and accounts for 40 ~ 50%, SiO in copper ashes flotation tailings2Account for 25 ~ 30%, surplus CaO, MgO and Al2O3；The object of Fe is mutually Fe3O4And Fe2SiO4。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360502.5A CN108178532A (en) | 2017-12-18 | 2017-12-18 | A kind of method of copper ashes flotation tailings comprehensive utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360502.5A CN108178532A (en) | 2017-12-18 | 2017-12-18 | A kind of method of copper ashes flotation tailings comprehensive utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108178532A true CN108178532A (en) | 2018-06-19 |
Family
ID=62546299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711360502.5A Pending CN108178532A (en) | 2017-12-18 | 2017-12-18 | A kind of method of copper ashes flotation tailings comprehensive utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108178532A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304256A (en) * | 2018-09-11 | 2019-02-05 | 湖北大江环保科技股份有限公司 | A kind of method of comprehensive utilization of copper metallurgy tailings |
| CN109534476A (en) * | 2018-11-01 | 2019-03-29 | 昆明理工大学 | A kind of method that copper ashes handles arsenic in nonferrous smelting waste acid |
| CN109647616A (en) * | 2018-11-30 | 2019-04-19 | 铜陵有色金属集团股份有限公司 | The method of Comprehen Siving Recovery of Magnetite and copper mineral from Cu-S ore flotation tailing |
| CN110156353A (en) * | 2019-05-31 | 2019-08-23 | 北方民族大学 | A kind of methods and applications of Combined Treatment copper ashes and magnesium slag |
| CN111760874A (en) * | 2020-06-03 | 2020-10-13 | 武汉理工大学 | Fine separation method of carbide slag iron and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828039A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Recycling method of slag of copper melting pool smelting furnace |
| CN103572059A (en) * | 2013-10-11 | 2014-02-12 | 张汝华 | Method for producing sponge iron and cement by using iron-containing materials through reduction and recovering valuable elements |
-
2017
- 2017-12-18 CN CN201711360502.5A patent/CN108178532A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828039A (en) * | 2012-09-07 | 2012-12-19 | 白银有色集团股份有限公司 | Recycling method of slag of copper melting pool smelting furnace |
| CN103572059A (en) * | 2013-10-11 | 2014-02-12 | 张汝华 | Method for producing sponge iron and cement by using iron-containing materials through reduction and recovering valuable elements |
Non-Patent Citations (1)
| Title |
|---|
| 李磊等: "铜渣综合利用的研究进展", 《冶金能源》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304256A (en) * | 2018-09-11 | 2019-02-05 | 湖北大江环保科技股份有限公司 | A kind of method of comprehensive utilization of copper metallurgy tailings |
| CN109304256B (en) * | 2018-09-11 | 2020-11-10 | 湖北大江环保科技股份有限公司 | Comprehensive utilization method of copper smelting tailings |
| CN109534476A (en) * | 2018-11-01 | 2019-03-29 | 昆明理工大学 | A kind of method that copper ashes handles arsenic in nonferrous smelting waste acid |
| CN109647616A (en) * | 2018-11-30 | 2019-04-19 | 铜陵有色金属集团股份有限公司 | The method of Comprehen Siving Recovery of Magnetite and copper mineral from Cu-S ore flotation tailing |
| CN109647616B (en) * | 2018-11-30 | 2020-09-08 | 铜陵有色金属集团股份有限公司 | Method for comprehensively recovering magnetite and copper minerals from copper slag flotation tailings |
| CN110156353A (en) * | 2019-05-31 | 2019-08-23 | 北方民族大学 | A kind of methods and applications of Combined Treatment copper ashes and magnesium slag |
| CN110156353B (en) * | 2019-05-31 | 2021-04-30 | 北方民族大学 | Method for combined treatment of copper slag and magnesium slag and application |
| CN111760874A (en) * | 2020-06-03 | 2020-10-13 | 武汉理工大学 | Fine separation method of carbide slag iron and application thereof |
| CN111760874B (en) * | 2020-06-03 | 2022-07-08 | 武汉理工大学 | Fine separation method of carbide slag iron and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108178532A (en) | A kind of method of copper ashes flotation tailings comprehensive utilization | |
| CN106676263B (en) | A kind of copper tailings and the method and system of converter rough dedusting ash comprehensive utilization | |
| CN102363218B (en) | Method for producing copper-powder-containing iron by reducing copper-containing furnace cinders directly | |
| CN101491789B (en) | Beneficiation process of mixed dregs using three copper smelting methods of flash smelting furnace, revolving furnace and depletion electric furnace | |
| CN106000639B (en) | A kind of Copper making converter residues processing technique containing high-grade matte | |
| CN104141018B (en) | A kind of slag recoverying and utilizing method | |
| CN108525843A (en) | Utilize the method for difficult mine solid waste recycling tantalum niobium, lepidolite and feldspar powder | |
| CN101637744A (en) | Method for recovering and utilizing kiln slag of zinc hydrometallurgy volatilizing kiln | |
| CN104004867A (en) | High-efficiency economic secondary treatment process for steel slag | |
| CN102319617A (en) | Process for recovering iron and carbon elements from blast furnace gas ash | |
| CN108531740A (en) | Process for recovering lead, zinc, carbon, silver and iron from zinc smelting leaching slag | |
| CN102513204A (en) | Beneficiation method of sieving and flotation combination process for recycled copper of copper smelting converter slag | |
| CN102373329A (en) | Method for gathering nickel and iron from laterite-nickel ores | |
| CN104152606A (en) | A method for separating slag from iron of waste slag produced by electric furnace smelting | |
| CN104185687A (en) | Method for separately recovering iron from non-metal waste slag discharged from process of refining non-ferrous metal such as copper, zinc and lead by physical chemical screening method | |
| CN101643806B (en) | Method for producing molten iron with high-phosphorus and low-iron refractory iron ore | |
| CN104084307B (en) | The wet magnetic separation technique of iron is reclaimed in a kind of iron-containing waste | |
| CN109647616B (en) | Method for comprehensively recovering magnetite and copper minerals from copper slag flotation tailings | |
| CN110760890A (en) | Method for treating smelting slag by electrolytic reduction of aluminum molten salt | |
| CN101864506A (en) | Method for preparing direct reduced iron from low-grade high-phosphorus high-silicon iron ore | |
| CN106119559A (en) | Comprehensive utilization method of iron slag containing noble metal | |
| CN103898333A (en) | Method for separating metallic-state valuable metals from scrap copper smelting slag | |
| CN110369119B (en) | Comprehensive recovery process for iron, carbon and zinc in steel mill dust waste | |
| CN103586138A (en) | Phosphor decrease and iron extraction technology of high phosphorus magnetic iron ore | |
| CN105268541A (en) | Method for recycling metals from furnace lining waste bricks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20180619 |