CN104894387A - Technological method for extracting antimony and bismuth from rare and noble metallurgical slag - Google Patents
Technological method for extracting antimony and bismuth from rare and noble metallurgical slag Download PDFInfo
- Publication number
- CN104894387A CN104894387A CN201510269441.6A CN201510269441A CN104894387A CN 104894387 A CN104894387 A CN 104894387A CN 201510269441 A CN201510269441 A CN 201510269441A CN 104894387 A CN104894387 A CN 104894387A
- Authority
- CN
- China
- Prior art keywords
- antimony
- bismuth
- press filtration
- gold
- metallurgical slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a technological method for extracting antimony and bismuth from rare and noble metallurgical slag. The technological method comprises the following steps: (1) performing leaching: adding rare and noble metallurgical slag gold concentrates to a leaching reaction kettle, then adding an industrial sulfuric acid with the mass ratio of the gold concentrates to the sulphuric acid being 2-4:1, adding sodium chloride with the mass ratio of the gold concentrates to the sodium chloride being 0.6-1:1, leaving a solution in the leaching reaction kettle to stand, cooling the solution after standing until clarification, and then performing pressure filtration so as to obtain the leached slag and pressure filtration solutions, on which slag removal and separation are performed; (2) separating antimony so as to obtain antimonous oxychloride and an antimony precipitation solution; (3) separating bismuth so as to obtain bismuth oxide chloride. The technological method disclosed by the invention has the benefits that under the premise that the recovery of noble metals, such as gold and silver, is ensured not to be influenced, firstly, valuable elements of antimony and bismuth are separated from the gold concentrates, on one hand, antimony resources and bismuth resources are recovered, and the benefit is promoted; on the other hand, a favorable raw material condition is created for the subsequent recovery of gold, silver and the like through smelting.
Description
Technical field
The present invention relates to rare precious metal purification processes technique, particularly relate to a kind of processing method extracting antimony bismuth from rare precious metal metallurgical slag.
Background technology
All kinds of rare precious metal raw material is after about 1000 ~ 1200 DEG C pyrotic smeltings, and output precious metal and corresponding metallurgical slag, wherein contain the valuable element such as antimony, bismuth of a small amount of gold and silver and a large amount of mixing in multivalent state in metallurgical slag.Usually, this part metallurgical slag directly return copper, plumbous smelting system or after flotation gold ore return gold and silver and add system, only reclaim gold and silver principal element wherein, antimony bismuth element cannot reclaim.Adopt and directly carry out smeltings and reclaim gold and silver principal element, because antimony, bismuth element content are higher, cause extend tap to tap time on the one hand, quality product declines, smelting system ability reduces, increase that the energy consumes, auxiliary material consumption; On the other hand, the antimony in gold ore, bismuth can not get efficient recovery, cause the waste of valuable resource.
Summary of the invention
The technical problem to be solved in the present invention is that existing rare precious metal metallurgical slag is recycled a gold recovering silver element and caused product to contain a large amount of antimony bismuth elements cannot reclaiming, the waste of the valuable resources such as quality product decline, energy consumption lifting, antimony, bismuth, provides a kind of processing method extracting antimony bismuth from rare precious metal metallurgical slag gold ore for this reason.
Technical scheme of the present invention is: a kind of processing method extracting antimony bismuth from rare precious metal metallurgical slag gold ore, it is characterized in that it comprises the following steps: (1), leach, rare precious metal metallurgical slag gold ore is added Leaching reaction still, then by gold ore: sulfuric acid mass ratio 2 ~ 4:1 adds industrial sulphuric acid, by gold ore: sodium-chlor mass ratio is that 0.6 ~ 1:1 adds sodium-chlor, control solid-to-liquid ratio 1:5 ~ 6 in reactor, control leach liquor temperature at 90 ~ 95 DEG C, 3h is stirred under normal pressure, leave standstill and be cooled to the rear press filtration of clarification, obtain the leached mud after removal of impurities separation and press filtration solution, (2), the separation of antimony, control press filtration solution temperature 30 ~ 40 DEG C, add the water of 5 times of press filtration liquor capacities and be 0.5 ~ 1 by adding sodium hydroxide adjustment press filtration solution pH value, leave standstill 1.5h after stirring under normal pressure, filter, obtain liquid after antimony oxychloride and heavy antimony, (3), the separation of bismuth, after heavy antimony, add sodium hydroxide in liquid, neutralize and regulate its pH value to 3.5 ~ 4, leave standstill 1.0h after stirring under normal pressure, press filtration, obtains chlorine oxygen bismuth.
The improvement of such scheme leaves standstill in described step (1) to be cooled to 25-30 DEG C, is cooled to 15-20 DEG C of standing 20-30min and carries out press filtration again after liquid clarification to be leached.
The invention has the beneficial effects as follows under guaranteeing that not affecting the precious metals such as gold and silver reclaims prerequisite, the first-selected valuable element isolating antimony, bismuth from gold ore, has reclaimed antimony, bismuth resource, Improve Efficiency on the one hand, on the other hand, reclaim the precious metals such as gold and silver for subsequent smelting and create good material condition.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1:(1), leach, rare precious metal metallurgical slag is added Leaching reaction still, then by metallurgical slag: sulfuric acid mass ratio 2:1 adds industrial sulphuric acid, by metallurgical slag: sodium-chlor mass ratio is that 0.6:1 adds sodium-chlor, control solid-to-liquid ratio 1:5 in reactor, control leach liquor temperature at 90 DEG C, under normal pressure, stir 3h, leave standstill and be cooled to the rear press filtration of clarification, obtain the leached mud after removal of impurities separation and press filtration solution; (2), the separation of antimony, control press filtration solution temperature 30 DEG C, add the water of 5 times of press filtration liquor capacities and be 0.5 by adding sodium hydroxide adjustment press filtration solution pH value, leave standstill 1.5h after stirring under normal pressure, filter, obtain liquid after antimony oxychloride and heavy antimony; (3), the separation of bismuth, after heavy antimony, add sodium hydroxide in liquid, neutralize and regulate its pH value to 3.5, leave standstill 1.0h after stirring under normal pressure, press filtration, obtains chlorine oxygen bismuth.
Embodiment 2:(1), leach, rare precious metal metallurgical slag gold ore is added Leaching reaction still, then by gold ore: sulfuric acid mass ratio 3:1 adds industrial sulphuric acid, by gold ore: sodium-chlor mass ratio is that 0.8:1 adds sodium-chlor, control solid-to-liquid ratio 1:5.5 in reactor, control leach liquor temperature at 93 DEG C, under normal pressure, stir 3h, leave standstill and be cooled to the rear press filtration of clarification, obtain the leached mud after removal of impurities separation and press filtration solution; (2), the separation of antimony, control press filtration solution temperature 35 DEG C, add the water of 5 times of press filtration liquor capacities and be 0.7 by adding sodium hydroxide adjustment press filtration solution pH value, leave standstill 1.5h after stirring under normal pressure, filter, obtain liquid after antimony oxychloride and heavy antimony; (3), the separation of bismuth, after heavy antimony, add sodium hydroxide in liquid, neutralize and regulate its pH value to 3.7, leave standstill 1.0h after stirring under normal pressure, press filtration, obtains chlorine oxygen bismuth.
Embodiment 3:(1), leach, rare precious metal metallurgical slag gold ore is added Leaching reaction still, then by gold ore: sulfuric acid mass ratio 4:1 adds industrial sulphuric acid, by gold ore: sodium-chlor mass ratio is that 1:1 adds sodium-chlor, control solid-to-liquid ratio 1:6 in reactor, control leach liquor temperature at 95 DEG C, under normal pressure, stir 3h, leave standstill and be cooled to the rear press filtration of clarification, obtain the leached mud after removal of impurities separation and press filtration solution; (2), the separation of antimony, control press filtration solution temperature 40 DEG C, add the water of 5 times of press filtration liquor capacities and be 1 by adding sodium hydroxide adjustment press filtration solution pH value, leave standstill 1.5h after stirring under normal pressure, filter, obtain liquid after antimony oxychloride and heavy antimony; (3), the separation of bismuth, after heavy antimony, add sodium hydroxide in liquid, neutralize and regulate its pH value to 4, leave standstill 1.0h after stirring under normal pressure, press filtration, obtains chlorine oxygen bismuth.
Preferred embodiment 4:(1), leach, rare precious metal metallurgical slag gold ore is added Leaching reaction still, then by gold ore: sulfuric acid mass ratio 3:1 adds industrial sulphuric acid, by gold ore: sodium-chlor mass ratio is that 0.8:1 adds sodium-chlor, control solid-to-liquid ratio 1:5.5 in reactor, control leach liquor temperature at 93 DEG C, 3h is stirred under normal pressure, leave standstill and be cooled to 25 DEG C, be cooled to 15 DEG C of standing 20min after liquid clarification to be leached and carry out press filtration again, obtain the leached mud after removal of impurities separation and press filtration solution; (2), the separation of antimony, control press filtration solution temperature 35 DEG C, add the water of 5 times of press filtration liquor capacities and be 0.7 by adding sodium hydroxide adjustment press filtration solution pH value, leave standstill 1.5h after stirring under normal pressure, filter, obtain liquid after antimony oxychloride and heavy antimony; (3), the separation of bismuth, after heavy antimony, add sodium hydroxide in liquid, neutralize and regulate its pH value to 3.7, leave standstill 1.0h after stirring under normal pressure, press filtration, obtains chlorine oxygen bismuth.
Preferred embodiment 5:(1), leach, rare precious metal metallurgical slag gold ore is added Leaching reaction still, then by gold ore: sulfuric acid mass ratio 3:1 adds industrial sulphuric acid, by gold ore: sodium-chlor mass ratio is that 0.8:1 adds sodium-chlor, control solid-to-liquid ratio 1:5.5 in reactor, control leach liquor temperature at 93 DEG C, 3h is stirred under normal pressure, leave standstill and be cooled to 30 DEG C, be cooled to 20 DEG C of standing 30min after liquid clarification to be leached and carry out press filtration again, obtain the leached mud after removal of impurities separation and press filtration solution; (2), the separation of antimony, control press filtration solution temperature 35 DEG C, add the water of 5 times of press filtration liquor capacities and be 0.7 by adding sodium hydroxide adjustment press filtration solution pH value, leave standstill 1.5h after stirring under normal pressure, filter, obtain liquid after antimony oxychloride and heavy antimony; (3), the separation of bismuth, after heavy antimony, add sodium hydroxide in liquid, neutralize and regulate its pH value to 3.7, leave standstill 1.0h after stirring under normal pressure, press filtration, obtains chlorine oxygen bismuth.
Preferred embodiment 4 and 5 in the present invention and the difference of embodiment 1-3 are that the leach liquor of step (1) stirs at ambient pressure and add two sections of condensations two sections after 3h and between press filtration and leave standstill, namely first paragraph is condensed to 25-30 DEG C, be cooled to 15-20 DEG C of standing 20-30min after liquid clarification to be leached and carry out press filtration again, the benefit done like this can be separated leach liquor and leached mud to greatest extent, ensure that the gold and silver content in leached mud can not run off to greatest extent, ensure that antimony bismuth element is all retained in leach liquor, for the separation of next step antimony bismuth element provides reliable guarantee.
Claims (2)
1. one kind is extracted the processing method of antimony bismuth from rare precious metal metallurgical slag, it is characterized in that it comprises the following steps: (1), leaching, rare precious metal metallurgical slag gold ore is added Leaching reaction still, then by gold ore: sulfuric acid mass ratio 2 ~ 4:1 adds industrial sulphuric acid, by gold ore: sodium-chlor mass ratio is that 0.6 ~ 1:1 adds sodium-chlor, control solid-to-liquid ratio 1:5 ~ 6 in reactor, control leach liquor temperature at 90 ~ 95 DEG C, 3h is stirred under normal pressure, leave standstill and be cooled to the rear press filtration of clarification, obtain the leached mud after removal of impurities separation and press filtration solution; (2), the separation of antimony, control press filtration solution temperature 30 ~ 40 DEG C, add the water of 5 times of press filtration liquor capacities and be 0.5 ~ 1 by adding sodium hydroxide adjustment press filtration solution pH value, leave standstill 1.5h after stirring under normal pressure, filter, obtain liquid after antimony oxychloride and heavy antimony; (3), the separation of bismuth, after heavy antimony, add sodium hydroxide in liquid, neutralize and regulate its pH value to 3.5 ~ 4, leave standstill 1.0h after stirring under normal pressure, press filtration, obtains chlorine oxygen bismuth.
2. a kind of processing method extracting antimony bismuth from rare precious metal metallurgical slag as claimed in claim 1, is characterized in that leaving standstill in described step (1) being cooled to 25-30 DEG C, is cooled to 15-20 DEG C of standing 20-30min and carries out press filtration again after liquid clarification to be leached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510269441.6A CN104894387A (en) | 2015-05-25 | 2015-05-25 | Technological method for extracting antimony and bismuth from rare and noble metallurgical slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510269441.6A CN104894387A (en) | 2015-05-25 | 2015-05-25 | Technological method for extracting antimony and bismuth from rare and noble metallurgical slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104894387A true CN104894387A (en) | 2015-09-09 |
Family
ID=54027337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510269441.6A Pending CN104894387A (en) | 2015-05-25 | 2015-05-25 | Technological method for extracting antimony and bismuth from rare and noble metallurgical slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104894387A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439316A (en) * | 2015-11-18 | 2016-03-30 | 金川集团股份有限公司 | Method for recovery of valuable metals from precious metal smelting wastewater and environment-protective treatment of wastes |
| CN105568002A (en) * | 2015-12-28 | 2016-05-11 | 中南大学 | Method for enriching and recycling bismuth from waste acid sulfide residues |
| CN105603190A (en) * | 2015-12-28 | 2016-05-25 | 中南大学 | Method for purifying and recovering valuable metal by copper electrolyte |
| CN110396597A (en) * | 2019-07-19 | 2019-11-01 | 江西铜业集团有限公司 | A kind of selecting smelting combination process of the high efficiency extraction lead bismuth from oxidation cleaning residue |
| CN110496700B (en) * | 2019-07-17 | 2021-11-26 | 铜陵有色金属集团股份有限公司 | Method for recovering gold from high-arsenic gold-dressing tailings and application thereof |
| CN115976328A (en) * | 2023-02-17 | 2023-04-18 | 矿冶科技集团有限公司 | Method for treating high-arsenic antimony bismuth copper anode mud |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058299C (en) * | 1997-05-15 | 2000-11-08 | 昆明贵金属研究所 | Ag and Au extracting and Sb, Bi, Cu and Pb recovering process from lead slime |
| CN101503761A (en) * | 2009-03-24 | 2009-08-12 | 中南大学 | Method for separating and recycling valuable metal from pressure leached high sulphur slag |
| CN101514396A (en) * | 2009-04-03 | 2009-08-26 | 郴州市宇腾化工有限公司 | Method for separating tin and stibium from tin-lead anode slime |
| CN101519730A (en) * | 2009-03-19 | 2009-09-02 | 金川集团有限公司 | Method for extracting bismuth from ash of copper converter |
| CN101798629A (en) * | 2009-12-16 | 2010-08-11 | 株洲冶炼集团股份有限公司 | Method for separating valuable metals from lead anode mud |
| CN101831551A (en) * | 2010-05-21 | 2010-09-15 | 葫芦岛锌业股份有限公司 | Method for recovering gold, silver, bismuth, stibium and copper from lead anode mud |
-
2015
- 2015-05-25 CN CN201510269441.6A patent/CN104894387A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058299C (en) * | 1997-05-15 | 2000-11-08 | 昆明贵金属研究所 | Ag and Au extracting and Sb, Bi, Cu and Pb recovering process from lead slime |
| CN101519730A (en) * | 2009-03-19 | 2009-09-02 | 金川集团有限公司 | Method for extracting bismuth from ash of copper converter |
| CN101503761A (en) * | 2009-03-24 | 2009-08-12 | 中南大学 | Method for separating and recycling valuable metal from pressure leached high sulphur slag |
| CN101514396A (en) * | 2009-04-03 | 2009-08-26 | 郴州市宇腾化工有限公司 | Method for separating tin and stibium from tin-lead anode slime |
| CN101798629A (en) * | 2009-12-16 | 2010-08-11 | 株洲冶炼集团股份有限公司 | Method for separating valuable metals from lead anode mud |
| CN101831551A (en) * | 2010-05-21 | 2010-09-15 | 葫芦岛锌业股份有限公司 | Method for recovering gold, silver, bismuth, stibium and copper from lead anode mud |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439316A (en) * | 2015-11-18 | 2016-03-30 | 金川集团股份有限公司 | Method for recovery of valuable metals from precious metal smelting wastewater and environment-protective treatment of wastes |
| CN105568002A (en) * | 2015-12-28 | 2016-05-11 | 中南大学 | Method for enriching and recycling bismuth from waste acid sulfide residues |
| CN105603190A (en) * | 2015-12-28 | 2016-05-25 | 中南大学 | Method for purifying and recovering valuable metal by copper electrolyte |
| CN105568002B (en) * | 2015-12-28 | 2017-06-06 | 中南大学 | Method of the bismuth enrichment with reclaiming in a kind of waste acid vulcanized slag |
| CN105603190B (en) * | 2015-12-28 | 2017-10-20 | 中南大学 | A kind of method that cleaning copper electrolyte reclaims valuable metal |
| CN110496700B (en) * | 2019-07-17 | 2021-11-26 | 铜陵有色金属集团股份有限公司 | Method for recovering gold from high-arsenic gold-dressing tailings and application thereof |
| CN110396597A (en) * | 2019-07-19 | 2019-11-01 | 江西铜业集团有限公司 | A kind of selecting smelting combination process of the high efficiency extraction lead bismuth from oxidation cleaning residue |
| CN115976328A (en) * | 2023-02-17 | 2023-04-18 | 矿冶科技集团有限公司 | Method for treating high-arsenic antimony bismuth copper anode mud |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104894387A (en) | Technological method for extracting antimony and bismuth from rare and noble metallurgical slag | |
| CN102086029B (en) | Method for extracting selenium from selenium-contained material | |
| CN102766765B (en) | Zinc oxide powder recycling method | |
| CN101709382B (en) | Recovery and comprehensive treatment process of valuable metals in zinciferous materials | |
| CN102491287B (en) | Process for separating and recovering selenium from selenium-containing material | |
| CN104789783B (en) | Process for selective efficient copper extraction and comprehensive recovery from lead copper matte | |
| CN101838736B (en) | Wet separation method for valuable metals in purified liquid cobalt slags of wet zinc smelting system | |
| CN103255289B (en) | Method for removing arsenic matte by alkaline leaching at oxygen pressure and recovering arsenic | |
| CN103966450A (en) | All-wet process pretreatment method for copper anode mud | |
| CN102312083A (en) | Method for extracting zinc indium and recovering iron from high-iron high indium zinc concentrate | |
| CN102851693A (en) | Technology for recovering production of electrolytic copper and zinc from smelting ash | |
| CN105112669A (en) | Comprehensive recovery method for platinum and palladium in silver anode slime | |
| CN104120273B (en) | A kind ofly with precious metals containing lead be that raw materials recovery is plumbous, the method for silver and copper | |
| CN102703707A (en) | Method for recovering indium and germanium from zinc leaching residue | |
| CN105274359B (en) | Method for extracting and separating valuable metals from secondary lead smelting slag | |
| CN106086426B (en) | A kind of arsenic sulfide slag hyperbaric oxygen continuously leaches resource utilization process | |
| CN102876903A (en) | Direct acidity oxygen pressure leaching treatment method of crude tin copper removal residues | |
| EP2147128A1 (en) | Process for producing pure metallic indium from zinc oxide and/or solution containing the metal | |
| CN100443604C (en) | Extraction and separation technology for reclaiming main impurity in indium in hydrochloric acid system | |
| CN103484694A (en) | Method for extracting bismuth from copper-bismuth concentrate | |
| CN110540252B (en) | Method for preparing battery-grade cobalt sulfate and high-purity germanium dioxide from white alloy | |
| US4662938A (en) | Recovery of silver and gold | |
| CN113481371A (en) | Method for efficiently recovering antimony, bismuth, copper and silver from silver separating slag of lead anode slime | |
| CN103496676A (en) | Method for recovering selenium from acid mud wastes of acid production with copper smelting smoke | |
| CN105385853A (en) | Treatment method for waste copper-bearing magnesite brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |
|
| RJ01 | Rejection of invention patent application after publication |