CN108913909B - Black copper mud arsenic removal device and method - Google Patents
Black copper mud arsenic removal device and method Download PDFInfo
- Publication number
- CN108913909B CN108913909B CN201811004192.8A CN201811004192A CN108913909B CN 108913909 B CN108913909 B CN 108913909B CN 201811004192 A CN201811004192 A CN 201811004192A CN 108913909 B CN108913909 B CN 108913909B
- Authority
- CN
- China
- Prior art keywords
- reaction tank
- black copper
- dearsenifying
- magnetic field
- gas injection
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 61
- 239000010949 copper Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910052785 arsenic Inorganic materials 0.000 title claims abstract description 24
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 239000000243 solution Substances 0.000 claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 70
- 238000006243 chemical reaction Methods 0.000 claims description 61
- 239000007787 solid Substances 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 2
- 238000002386 leaching Methods 0.000 abstract description 31
- 239000007789 gas Substances 0.000 abstract description 15
- 239000000126 substance Substances 0.000 abstract description 7
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000001965 increasing effect Effects 0.000 abstract description 3
- 230000006698 induction Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract description 3
- LQFGBNFZCNRTQC-UHFFFAOYSA-N [Sb][Cu][Bi] Chemical compound [Sb][Cu][Bi] LQFGBNFZCNRTQC-UHFFFAOYSA-N 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002893 slag Substances 0.000 description 9
- 238000003723 Smelting Methods 0.000 description 5
- 239000000376 reactant Substances 0.000 description 4
- 229910052797 bismuth Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- 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
- C22B7/008—Wet processes by an alkaline or ammoniacal leaching
-
- 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
- C22B15/0065—Leaching or slurrying
- C22B15/008—Leaching or slurrying with non-acid solutions containing salts of alkali or alkaline earth metals
-
- 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
- C22B30/00—Obtaining antimony, arsenic or bismuth
- C22B30/04—Obtaining arsenic
-
- 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 belongs to the technical field of chemical industry, and relates to a black copper mud dearsenifying device and method. The invention carries out the alkaline leaching operation of black copper mud by applying a parallel magnetic field and air stirring cooperative coupling mode, and the air gas injection oxidation process simultaneously makes the reaction liquid rotate in an eddy current shape, and because the rotation surface of the reaction liquid is vertical to the magnetic field, the reaction liquid is stirred and rotated while cutting magnetic induction lines, receives magnetic field gradient force in the vertical direction and Lorentz force in the horizontal direction, thereby strengthening ion diffusion, enhancing solution activity and dissolved oxygen, promoting oxidation reaction efficiency, greatly extracting arsenic leaching rate, not increasing copper-antimony-bismuth leaching, and saving production cost.
Description
Technical Field
The invention belongs to the technical field of chemical industry, and relates to a black copper mud dearsenifying device and method.
Background
The black copper mud purified by the copper electrolyte contains a large amount of valuable metals such As Cu, as, sb and Bi, but the process commonly adopted by copper smelting enterprises is to directly return the black copper mud to a smelting system to recover only copper in the black copper mud, so that impurities such As As, sb and Bi are caused to viciously circulate in the smelting system, the purpose of comprehensive utilization is not achieved, the smelting system is influenced, and the environmental protection pressure is increased. Among them, arsenic is the most prominent, arsenic is a cancerogenic substance with toxic action to human body and other organisms, and constitutes the most important environmental pollution source in the nonferrous industry, so that research on the dearsenifying process of black copper mud has important practical significance for solving the problems of arsenic harm and comprehensive recovery of valuable metals in copper smelting enterprises.
The black copper sludge dearsenification is usually carried out by adopting two methods of oxidation alkaline leaching and alkaline leaching, and the traditional dearsenification method has the following defects:
when the black copper mud is subjected to dearsenification by adopting an acid leaching process, copper, arsenic, antimony and bismuth are leached together, the leaching rate is low, the effective separation of arsenic and other valuable metals cannot be realized, more serious, extremely toxic arsine gas is generated when the black copper mud is subjected to acid leaching, and the process has serious defects from the aspects of economic benefit and environmental protection.
Disclosure of Invention
The invention aims to provide a black copper mud arsenic removal device and method aiming at the problems existing in the prior art.
The specific technical scheme of the invention is as follows:
the black copper mud dearsenifying device comprises a reaction tank, a lower magnet arranged below the reaction tank, an upper magnet arranged above the reaction tank, a heating device arranged on the wall of the reaction tank, and an air injection stirring device extending into the reaction tank, wherein the lower magnet and the upper magnet are mutually parallel;
the black copper mud dearsenifying device further comprises a magnetic field intensity adjusting device, wherein the magnetic field intensity adjusting device comprises a frame body and a telescopic rod vertically arranged at the top of the frame body, the telescopic rod is positioned above the reaction tank and can move up and down at the top of the frame body, and the upper magnet is arranged at the lower end of the telescopic rod;
further, the upper magnet and the lower magnet are permanent magnets;
further, the gas injection stirring device is a gas injection pipe vertically arranged in the reaction tank, a strip gas injection port is arranged on the pipe wall of the gas injection pipe, and the gas injection port faces the tangential direction of the wall of the reaction tank;
further, the wall of the reaction tank is wrapped with a heat preservation sleeve.
The method for removing arsenic from the black copper mud by adopting the black copper mud arsenic removing device comprises the following steps of: adding NaOH solids into the reaction tank for the first time, adding water into the reaction tank until the NaOH solids are completely dissolved, starting a heating device to heat the NaOH solution to 80-85 ℃, adding black copper mud into the reaction tank, simultaneously injecting air into the reaction tank by using an air injection stirring device, stirring, reacting for 2-3 hours under the magnetic field strength of 1-3T, adding the NaOH solids into the reaction tank for the second time, and continuing the air injection stirring reaction for 2-3 hours under the magnetic field strength of 1-3T;
further, the solid-to-liquid ratio of NaOH solid to water is 1:14-17 (g: mL) for the first time, the solid-to-liquid ratio of NaOH solid to water is 1:14-17 (g: mL) for the second time, and the solid-to-liquid ratio of black copper sludge to water is 1:10 (g: mL);
further, the gas injection pressure of the gas injection stirring device is 3-5 MPa.
The invention has the following beneficial effects:
the invention carries out the alkaline leaching operation of black copper mud by applying a parallel magnetic field and air stirring cooperative coupling mode, and the air gas injection oxidation process simultaneously makes the reaction liquid rotate in an eddy current shape, and because the rotation surface of the reaction liquid is vertical to the magnetic field, the reaction liquid is stirred and rotated while cutting magnetic induction lines, receives magnetic field gradient force in the vertical direction and Lorentz force in the horizontal direction, thereby strengthening ion diffusion, enhancing solution activity and dissolved oxygen, promoting oxidation reaction efficiency, greatly extracting arsenic leaching rate, not increasing copper-antimony-bismuth leaching, and saving production cost.
Drawings
FIG. 1 is a schematic diagram of the arsenic removal unit according to the present invention.
Detailed Description
The black copper mud dearsenification device as shown in fig. 1 comprises a reaction tank 1, a lower magnet 2 arranged below the reaction tank 1, an upper magnet 3 arranged above the reaction tank 1, a heating device 4 arranged on the wall of the reaction tank 1, an air injection stirring device 5 extending into the reaction tank 1, and a magnetic field intensity adjusting device, wherein the lower magnet 2 and the upper magnet 3 are mutually parallel, the magnetic field intensity adjusting device comprises a frame body 6 and a telescopic rod 7 vertically arranged at the top of the frame body 6, the telescopic rod 7 is positioned above the reaction tank 1, the telescopic rod 7 can move up and down at the top of the frame body 6, the upper magnet 3 is arranged at the lower end of the telescopic rod 7, the air injection stirring device 5 is an air injection pipe 8 vertically arranged in the reaction tank, a strip-shaped air injection port 9 is arranged on the wall of the air injection pipe 8, the air injection port 9 faces the tangential direction of the wall of the reaction tank 1, the upper magnet 3 and the lower magnet 2 are permanent magnets, and a heat insulation sleeve 10 is wrapped on the wall of the reaction tank 1.
The working principle of the black copper mud arsenic removal device for oxidizing, alkaline leaching and removing arsenic from the black copper mud is as follows: naOH solution and black copper mud are filled in the reaction tank 1, the gas injection stirring device 5 is started, the strip gas injection port 9 of the gas injection pipe 8 injects gas in the reaction tank 1 towards the tangential direction of the wall of the reaction tank 1, the injected gas flow not only injects air into reactants in the reaction tank 1, but also enables the reactants to form vortex in the reaction tank 1 to perform stirring operation, and the reactants are in vortex rotation in a magnetic field between the lower magnet 2 and the upper magnet 3 to cut magnetic induction lines, so that the effects of strengthening the ion diffusion of the reactants, enhancing the activity of the solution and the dissolved oxygen are achieved, promoting the oxidation reaction efficiency, greatly improving the leaching rate of arsenic, and the upper magnet 3 of the device can adjust the distance between the upper magnet and the lower magnet 2 through the up-and-down movement of the telescopic rod 7, thereby realizing the function of adjusting the magnetic field intensity between the lower magnet 2 and the upper magnet 3.
The method for dearsenifying the black copper paste of the present invention will be specifically described.
The black copper mud arsenic removal device is adopted to remove arsenic from the black copper mud, and the components of the black copper mud are shown in table 1;
。
example 1
The black copper mud dearsenifying process includes the following steps: adding 33.78g of NaOH solids into the reaction tank 1 for the first time, adding 500ml of water into the reaction tank 1 to enable the NaOH solids to be completely dissolved, starting a heating device 4 to heat the NaOH solution to 80-85 ℃, adding 50g of black copper mud into the reaction tank 1, simultaneously injecting air into the reaction tank by using an air injection stirring device 5 at the air injection pressure of 3-5 MPa and stirring, after reacting for 2 hours under the magnetic field strength of 1T, adding 33.78g of NaOH solids into the reaction tank 1 for the second time, continuing to perform air injection stirring reaction for 2 hours under the magnetic field strength of 1T, obtaining leaching liquid and leaching slag, detecting the leaching rate of arsenic to 92% after chemical analysis of the leaching liquid and the leaching slag, and ensuring that the copper enrichment rate is 62% and copper in the leaching slag is simple substance copper powder.
Example 2
The black copper mud dearsenifying process includes the following steps: adding 33.78g of NaOH solids into the reaction tank 1 for the first time, adding 500ml of water into the reaction tank 1 to enable the NaOH solids to be completely dissolved, starting a heating device 4 to heat the NaOH solution to 80-85 ℃, adding 50g of black copper mud into the reaction tank 1, simultaneously injecting air into the reaction tank by using an air injection stirring device 5 at the air injection pressure of 3-5 MPa and stirring, after reacting for 2 hours under the magnetic field strength of 2T, adding 33.78g of NaOH solids into the reaction tank 1 for the second time, continuing to perform air injection stirring reaction for 2 hours under the magnetic field strength of 2T, obtaining leaching liquid and leaching slag, detecting the leaching rate of arsenic to 95% after chemical analysis of the leaching liquid and the leaching slag, and detecting the copper enrichment rate to 71.6%, wherein copper in the leaching slag is elemental copper powder.
Example 3
The black copper mud dearsenifying process includes the following steps: adding 33.78g of NaOH solids into the reaction tank 1 for the first time, adding 500ml of water into the reaction tank 1 to enable the NaOH solids to be completely dissolved, starting a heating device 4 to heat the NaOH solution to 80-85 ℃, adding 50g of black copper mud into the reaction tank 1, simultaneously injecting air into the reaction tank by using an air injection stirring device 5 at the air injection pressure of 3-5 MPa and stirring, after reacting for 2 hours under the magnetic field strength of 3T, adding 33.78g of NaOH solids into the reaction tank 1 for the second time, continuing to perform air injection stirring reaction for 2 hours under the magnetic field strength of 3T, obtaining leaching liquid and leaching slag, detecting the leaching rate of arsenic to 96.4% after chemical analysis of the leaching liquid and the leaching slag, and detecting the copper enrichment rate to 80%, wherein copper in the leaching slag is elemental copper powder.
Claims (6)
1. A method for removing arsenic from black copper mud by adopting a black copper mud arsenic removing device is characterized by comprising the following steps of:
the method comprises the following steps: adding NaOH solids into the reaction tank (1) for the first time, adding water into the reaction tank (1) to enable the NaOH solids to be completely dissolved, starting a heating device 4 to heat the NaOH solution to 80-85 ℃, adding black copper mud into the reaction tank (1), simultaneously injecting air into the reaction tank by using an air injection stirring device (5) and stirring, reacting for 2-3 hours under the magnetic field strength of 1-3T, adding the NaOH solids into the reaction tank (1) for the second time, and continuing to inject air and stir for reacting for 2-3 hours under the magnetic field strength of 1-3T;
the black copper mud dearsenifying device comprises a reaction tank (1), a lower magnet (2) arranged below the reaction tank (1), an upper magnet (3) arranged above the reaction tank (1), a heating device (4) arranged on the wall of the reaction tank (1), and an air injection stirring device (5) extending into the reaction tank (1), wherein the lower magnet (2) is parallel to the upper magnet (3), and the magnetic field strength between the lower magnet (2) and the upper magnet (3) is adjustable;
the gas injection stirring device (5) is a gas injection pipe (8) vertically arranged in the reaction tank, a strip gas injection port (9) is arranged on the pipe wall of the gas injection pipe (8), and the gas injection port (9) faces the tangential direction of the wall of the reaction tank (1).
2. The method for dearsenifying the black copper sludge by adopting the black copper sludge dearsenifying device as claimed in claim 1, wherein the method comprises the following steps of: still include magnetic field strength adjusting device, magnetic field strength adjusting device includes support body (6), vertically sets up in telescopic link (7) at support body (6) top, telescopic link (7) are located reaction tank (1) top, and telescopic link (7) can reciprocate at support body (6) top, go up magnet (3) and install in telescopic link (7) lower extreme.
3. The method for dearsenifying the black copper sludge by adopting the black copper sludge dearsenifying device as claimed in claim 1, wherein the method comprises the following steps of: the upper magnet (3) and the lower magnet (2) are permanent magnets.
4. The method for dearsenifying the black copper sludge by adopting the black copper sludge dearsenifying device as claimed in claim 1, wherein the method comprises the following steps of: the wall of the reaction tank (1) is wrapped with a heat preservation sleeve (10).
5. The method for dearsenifying the black copper sludge by adopting the black copper sludge dearsenifying device as claimed in claim 1, wherein the method comprises the following steps of: the solid-liquid ratio of NaOH solid to water is 1:14-17 (g: mL), and the solid-liquid ratio of black copper mud to water is 1:10 (g: mL).
6. The method for dearsenifying the black copper sludge by adopting the black copper sludge dearsenifying device as claimed in claim 1, wherein the method comprises the following steps of: the gas injection pressure of the gas injection stirring device (5) is 3-5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004192.8A CN108913909B (en) | 2018-08-30 | 2018-08-30 | Black copper mud arsenic removal device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004192.8A CN108913909B (en) | 2018-08-30 | 2018-08-30 | Black copper mud arsenic removal device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108913909A CN108913909A (en) | 2018-11-30 |
| CN108913909B true CN108913909B (en) | 2024-01-30 |
Family
ID=64407186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811004192.8A Active CN108913909B (en) | 2018-08-30 | 2018-08-30 | Black copper mud arsenic removal device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108913909B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201098614Y (en) * | 2007-07-31 | 2008-08-13 | 北京理工大学 | Magnetic control still type reactor |
| CN101559985A (en) * | 2009-05-22 | 2009-10-21 | 华南理工大学 | Method for preparing Fe3O4 nano-particles by low-intensity external magnetic field induction and device thereof |
| CN101693951A (en) * | 2009-07-17 | 2010-04-14 | 惠州市鼎晨实业发展有限公司 | Method for extracting copper from waste circuit boards |
| JP2012144754A (en) * | 2011-01-07 | 2012-08-02 | Sumitomo Metal Mining Co Ltd | Method for collecting bismuth |
| WO2013098044A1 (en) * | 2011-12-29 | 2013-07-04 | Sms Siemag Ag | Method for recovering a metal from a slag containing the metal and device for recovering said metal |
| CN105154681A (en) * | 2015-08-21 | 2015-12-16 | 西北矿冶研究院 | Process for recovering fluorine and zinc from steelmaking soot |
| CN105803209A (en) * | 2016-04-21 | 2016-07-27 | 西北矿冶研究院 | Method for recovering rare and precious metals from acid mud |
| CN106622100A (en) * | 2016-10-13 | 2017-05-10 | 东华理工大学 | Method for removing arsenic for recycling by aid of ferro-manganese compound in combination with superconducting magnetic separation |
| CN106893864A (en) * | 2017-03-24 | 2017-06-27 | 中南大学 | A kind of method that arsenic is reclaimed in the mud from black copper |
| CN108046508A (en) * | 2017-11-27 | 2018-05-18 | 西北矿冶研究院 | Device and method for improving organic matter adsorption efficiency of carbon nano tube |
| CN209065975U (en) * | 2018-08-30 | 2019-07-05 | 西北矿冶研究院 | Black copper mud dearsenification device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897918B (en) * | 2012-11-22 | 2014-07-16 | 南京大学 | Device for carrying out sewage enhanced treatment by using constant magnetic field and sewage treatment method thereof |
-
2018
- 2018-08-30 CN CN201811004192.8A patent/CN108913909B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201098614Y (en) * | 2007-07-31 | 2008-08-13 | 北京理工大学 | Magnetic control still type reactor |
| CN101559985A (en) * | 2009-05-22 | 2009-10-21 | 华南理工大学 | Method for preparing Fe3O4 nano-particles by low-intensity external magnetic field induction and device thereof |
| CN101693951A (en) * | 2009-07-17 | 2010-04-14 | 惠州市鼎晨实业发展有限公司 | Method for extracting copper from waste circuit boards |
| JP2012144754A (en) * | 2011-01-07 | 2012-08-02 | Sumitomo Metal Mining Co Ltd | Method for collecting bismuth |
| WO2013098044A1 (en) * | 2011-12-29 | 2013-07-04 | Sms Siemag Ag | Method for recovering a metal from a slag containing the metal and device for recovering said metal |
| CN105154681A (en) * | 2015-08-21 | 2015-12-16 | 西北矿冶研究院 | Process for recovering fluorine and zinc from steelmaking soot |
| CN105803209A (en) * | 2016-04-21 | 2016-07-27 | 西北矿冶研究院 | Method for recovering rare and precious metals from acid mud |
| CN106622100A (en) * | 2016-10-13 | 2017-05-10 | 东华理工大学 | Method for removing arsenic for recycling by aid of ferro-manganese compound in combination with superconducting magnetic separation |
| CN106893864A (en) * | 2017-03-24 | 2017-06-27 | 中南大学 | A kind of method that arsenic is reclaimed in the mud from black copper |
| CN108046508A (en) * | 2017-11-27 | 2018-05-18 | 西北矿冶研究院 | Device and method for improving organic matter adsorption efficiency of carbon nano tube |
| CN209065975U (en) * | 2018-08-30 | 2019-07-05 | 西北矿冶研究院 | Black copper mud dearsenification device |
Non-Patent Citations (3)
| Title |
|---|
| 铜烟灰酸浸―磁选预处理过程中元素的分配;汪金良;胡华舟;谢凌峰;;有色金属(冶炼部分)(05);全文 * |
| 高钴渣浸出试验研究;贡大雷等;甘肃冶金;全文 * |
| 黑铜泥浸出工艺研究;王胜;申莹莹;王玉棉;张胜全;;有色金属工程(03);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108913909A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103509953B (en) | A kind of method of high impurity copper anode sludge pre-treatment enriching noble metals | |
| CN107275706A (en) | A kind of technique of use mechanical activation method Call Provision and lithium from waste and old cobalt acid lithium battery | |
| CN103849775B (en) | A kind of method reclaiming nickel and cobalt from high-temperature alloy waste material | |
| CN108486383A (en) | A kind of method of zinc oxide fumes high efficiency extraction zinc germanium | |
| CN102162035A (en) | Vacuum distillation process for extracting silver from silver zinc slag | |
| CN110560465A (en) | Waste circuit board detinning device | |
| CN109321746A (en) | A method of nickel is extracted by copper nickel Whote-wet method | |
| CN102690947A (en) | Smelting process of silver concentrate | |
| CN103320613A (en) | Method for recovering cobalt nickel through electrolytic manganese industrial ion exchange method | |
| CN102534660A (en) | Method for electrolytically refining crude lead | |
| CN104694750A (en) | Environment-friendly yttrium oxide saponification-free extraction method | |
| CN103498053A (en) | Method for separating base metals and noble metals in copper anode slime | |
| CN103981369B (en) | Comprehensive recovery process for multiple metals in arsenic-containing soot | |
| CN108913909B (en) | Black copper mud arsenic removal device and method | |
| CN109487089A (en) | A kind of method of rare earth fluoride molten-salt electrolysis Slag treatment | |
| CN102643990B (en) | Method for removing trace Cu in high-purity Ni by chelate resin | |
| CN108300876A (en) | A method of leaching gallium and germanium from zinc replacement slag | |
| CN112458309A (en) | Method for improving zinc leaching rate in zinc sulfide concentrate | |
| CN103667694A (en) | Method for removing phosphorus and leaching iron from high-phosphorus oolitic hematite through cross flow | |
| CN105112693A (en) | Method for pressure leaching of rhenium in rhenium-rich slag | |
| CN101314823B (en) | Method for extracting thallium from thallium containing slag | |
| CN101603123B (en) | Method for solid-phase extraction of gold from alkaline cyanide solution through macroporous adsorption resin | |
| CN103738928B (en) | A kind of method utilizing selenium in ultrasound-enhanced recovery electrolytic manganese anode mud | |
| CN103397182B (en) | Method for efficiently recycling bismuth from monomer bismuth ore | |
| CN209065975U (en) | Black copper mud dearsenification device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |