CN107225047A - Method for enriching noble metals from walls and ground of gold and silver smelting workshop - Google Patents
Method for enriching noble metals from walls and ground of gold and silver smelting workshop Download PDFInfo
- Publication number
- CN107225047A CN107225047A CN201710368447.8A CN201710368447A CN107225047A CN 107225047 A CN107225047 A CN 107225047A CN 201710368447 A CN201710368447 A CN 201710368447A CN 107225047 A CN107225047 A CN 107225047A
- Authority
- CN
- China
- Prior art keywords
- gold
- silver
- ground
- materials
- addition
- 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.)
- Granted
Links
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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the technical field of resource recovery, and particularly relates to a method for enriching noble metals in walls and the ground of a gold and silver smelting workshop. According to the invention, the materials scraped from the wall and the ground of the gold and silver smelting workshop are cleaned by sulfuric acid, a good medium environment is provided for the subsequent gold and silver flotation, the adverse effects of cement, soil and the like in the removed materials on the flotation mineralization environment are effectively solved by adding ammonium sulfate, sodium sulfide and ferrous sulfate, the efficient enrichment of gold and silver is realized by flotation, and the recovery rate of gold and silver is higher.
Description
Technical field
The invention belongs to technical field of resource recovery, and in particular to one kind is enriched with gold and silver meltshop wall and ground
The method of noble metal.
Background technology
Gold and silver meltshop is in gold and silver fusion process, and due to flue dust, overflowing to splash and have bad luck etc. causes a small amount of gold, silver noble metal
On the wall and ground for being attached to gold and silver meltshop, the gold content accumulated over a long period on back wall and ground in more than 100g/t,
Silver content is worth 1% with higher economy and comprehensive reutilization；Due to group in the wall of gold and silver meltshop and ground
Divide complicated various, wherein comprising cement, sand, concrete, fragment of brick, lime, soil and flue dust etc., causing in wall and ground
Gold, silver noble metal synthetical recovery difficulty is larger.
Gold, silver noble metal valuable component in wall and ground can not be realized using traditional floatation process, extract technology
Efficiently concentrating, the problem of existing be embodied in：1）Traditional floatation process is poor to the composition adaptability on wall and ground,
Cement therein, soil, lime etc. cause severe exacerbation to flotation mineralising environment, and microfine sludge specific surface area is larger in addition,
The substantial amounts of floating agent of sludge competitive Adsorption, causes floating agent consumption big, and sludge is big with foam float-amount, mineralising environment
Poor, the concentration effect of gold and silver is poor, and cost is higher；2）Because of wall and ground complicated components, traditional acid leaching process can not be real
The derichment of gold and silver in existing removal rubbish, and the acid consumption of acid leaching process is larger, production cost is higher by 3）Using Cyanide Leaching
Technique, although synthesis backwater golden in wall and ground can be achieved, but silver leaching rate is relatively low, and it is complicated using cyanide process,
Cyanide is extremely toxic substance, in process of production, and the easily environmental pollution to soil and water body is serious.
The content of the invention
The purpose of the present invention is that one kind is provided the problem of presence for prior art by gold and silver meltshop wall and ground
The method of middle enriching noble metals.
The present invention specifically includes following steps：
Step 1: carrying out spatula operation to gold and silver meltshop wall and ground, the material containing gold and silver element is obtained, by material
With water according to mass ratio 1:It is put into ball mill and is ground after 1 mixing, material is ground to -0.074mm grades and accounts for wholegrain level
75%, concentration 30-32% slurry is obtained to its interior moisturizing；
Step 2: adding sulfuric acid stirring 5min into slurry, ammonium sulfate, vulcanized sodium, ferrous sulfate, sodium pyrosulfite are sequentially added
2min is stirred, amyl group xanthate and terpenic oil stirring 2min is added, carries out flotation, obtain gold and silver fine fodder.
The sulfuric acid concentration is 50%-60%, and sulphuric acid is 1500-2500g/t, and ammonium sulfate addition is 500g/t things
Material, vulcanized sodium addition is that 200 g/t materials, ferrous sulfate addition are that 300 g/t materials, the addition of sodium pyrosulfite are
300 g/t materials, amyl group xanthate addition is 150-180 g/t materials, and terpenic oil addition is 40-50 g/t materials.
The invention has the advantages that：
The material that the present invention is got off by sulfuric acid to gold and silver meltshop wall, ground spatula carries out washing and cleaning operation, is follow-up gold
Silver-colored flotation provides good media environment；By ammonium sulfate, vulcanized sodium, ferrous sulfate addition, effectively solve removal
Cement, soil etc. is to the adverse effect of flotation mineralising environment in rubbish, then realizes by flotation the efficiently concentrating of gold and silver, and has
There is higher recovery of gold and silver.
Embodiment
Enriching noble metals are carried out to the material of spatula on gold and silver meltshop wall and ground, after testing golden product in the material
Position is that 118g/t, silver-colored grade are 1.12%.
Embodiment 1
Step 1: carrying out spatula operation to gold and silver meltshop wall and ground, the material containing gold and silver element is obtained, by material
With water according to mass ratio 1:It is put into ball mill and is ground after 1 mixing, material is ground to -0.074mm grades and accounts for wholegrain level
75%, the slurry of concentration 30% is obtained to its interior moisturizing；
Step 2: adding sulfuric acid stirring 5min into slurry, ammonium sulfate, vulcanized sodium, ferrous sulfate, sodium pyrosulfite are sequentially added
2min is stirred, amyl group xanthate and terpenic oil stirring 2min is added, carries out flotation, obtain gold and silver fine fodder.
The sulfuric acid concentration is 50%, and sulphuric acid is 1500g/t, and ammonium sulfate addition is 500g/t materials, vulcanized sodium
Addition is that 200 g/t materials, ferrous sulfate addition are that 300 g/t materials, the addition of sodium pyrosulfite are 300 g/t things
Material, amyl group xanthate addition is 150g/t materials, and terpenic oil addition is 40 g/t materials.
After testing, the 1523g/t containing gold, silver-colored grade are 17.23% in the gold and silver fine fodder of the gained of embodiment 1, and gold recovery is
82.34%th, silver raising recovery rate is 84.35%.
Embodiment 2
Step 1: carrying out spatula operation to gold and silver meltshop wall and ground, the material containing gold and silver element is obtained, by material
With water according to mass ratio 1:It is put into ball mill and is ground after 1 mixing, material is ground to -0.074mm grades and accounts for wholegrain level
75%, the slurry of concentration 32% is obtained to its interior moisturizing；
Step 2: adding sulfuric acid stirring 5min into slurry, ammonium sulfate, vulcanized sodium, ferrous sulfate, sodium pyrosulfite are sequentially added
2min is stirred, amyl group xanthate and terpenic oil stirring 2min is added, carries out flotation, obtain gold and silver fine fodder.
The sulfuric acid concentration is 60%, and sulphuric acid is 2500g/t, and ammonium sulfate addition is 500g/t materials, vulcanized sodium
Addition is that 200 g/t materials, ferrous sulfate addition are that 300 g/t materials, the addition of sodium pyrosulfite are 300 g/t things
Material, amyl group xanthate addition is 180 g/t materials, and terpenic oil addition is 50 g/t materials.
After testing, the 2314g/t containing gold, silver-colored grade are 20.34% in the gold and silver fine fodder of the gained of embodiment 2, and gold recovery is
84.53%th, silver raising recovery rate is 86.81%.
Comparative example 1
Using traditional floatation process, by the material of spatula on above-mentioned gold and silver meltshop wall and ground with phase homogenous quantities in water
Ball mill grinding is sent into, -0.074mm grades account for wholegrain level 75% is milled to, ore pulp mass concentration is 30%；Penta is added in ore pulp
Base xanthate addition is 240g/t raw materials, and terpenic oil addition is 60g/t raw materials, and ore pulp stirs 2min in flotation device, then
Open suction hole or be filled with air carry out copper mineral flotation, through one roughing, it is selected twice, scan for three times, chats order return
Closed circuit floatation process obtain gold and silver concentrate and mine tailing.
After testing, the 2134g/t containing gold, silver-colored grade are 21.34% in the gold and silver fine fodder of the gained of comparative example 1, and gold recovery is
45.34%th, silver raising recovery rate is 56.87%, although the enrichment of gold and silver is higher, but the rate of recovery is relatively low, and the metal loss of gold and silver is serious.
Comparative example 2
Using traditional acid leaching process, by the material of spatula on above-mentioned gold and silver meltshop wall and ground with phase homogenous quantities in water
Ball mill grinding is sent into, -0.074mm grades account for wholegrain level 90% is milled to, ore pulp mass concentration is 30%；Then dilute salt is added
Acid, is stirred leaching, and watery hydrochloric acid addition is 100kg/t raw ores, and the concentration of watery hydrochloric acid is 20%, and Agitator Impeller rotating speed is
1850r/min, the leaching time is 30min, then obtains gold and silver concentrate, as leached mud through filtering, cleaning.
After testing, the 189g/t containing gold, silver-colored grade are 1.78% in the gold and silver fine fodder of the gained of comparative example 2, and gold recovery is
99.23%th, silver raising recovery rate is 97.45%, although recovery of gold and silver is higher, but the concentration ratio of gold and silver is relatively low, it is impossible to realize gold and silver
Effectively enrichment.
Comparative example 3
Using traditional Cyanide Process, by the material of spatula on above-mentioned gold and silver meltshop wall and ground and phase homogenous quantities
Ball mill grinding is sent into water, -0.074mm grades account for wholegrain level 90% is milled to, ore pulp mass concentration is 30%；Then stone is added
Ash, more than 12 are adjusted to by slurry pH, add Cymag, the consumption of Cymag is 2000g/t raw ores, and leaching 24 is small
When, speed of agitator is 2150r/min, and then cleaned, filtering obtains leached mud, as mine tailing.
After testing, gold leaching rate is 93.12% in the gold and silver fine fodder of the gained of comparative example 2, and silver leaching rate is 14.34%, although
Gold leaching rate is higher, but the leaching rate of silver is relatively low, and most of silver does not integrate backwater yet, and the complex process, environmental pollution are serious.
Claims (2)
1. a kind of method of the enriching noble metals in gold and silver meltshop wall and ground, it is characterised in that comprise the following steps：
Step 1: carrying out spatula operation to gold and silver meltshop wall and ground, the material containing gold and silver element is obtained, by material
With water according to mass ratio 1:It is put into ball mill and is ground after 1 mixing, material is ground to -0.074mm grades and accounts for wholegrain level
75%, concentration 30-32% slurry is obtained to its interior moisturizing；
Step 2: adding sulfuric acid stirring 5min into slurry, ammonium sulfate, vulcanized sodium, ferrous sulfate, sodium pyrosulfite are sequentially added
2min is stirred, amyl group xanthate and terpenic oil stirring 2min is added, carries out flotation, obtain gold and silver fine fodder.
2. a kind of method of the enriching noble metals in gold and silver meltshop wall and ground as claimed in claim 1, its feature exists
In：The sulfuric acid concentration is 50-60%, and sulphuric acid is 1500-2500g/t, and ammonium sulfate addition is 500g/t materials, sulphur
It is that 200 g/t materials, ferrous sulfate addition are that 300 g/t materials, the addition of sodium pyrosulfite are 300 to change sodium addition
G/t materials, amyl group xanthate addition is 150-180 g/t materials, and terpenic oil addition is 40-50 g/t materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368447.8A CN107225047B (en) | 2017-05-23 | 2017-05-23 | Method for enriching noble metals from walls and ground of gold and silver smelting workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368447.8A CN107225047B (en) | 2017-05-23 | 2017-05-23 | Method for enriching noble metals from walls and ground of gold and silver smelting workshop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107225047A true CN107225047A (en) | 2017-10-03 |
| CN107225047B CN107225047B (en) | 2019-05-17 |
Family
ID=59934525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710368447.8A Active CN107225047B (en) | 2017-05-23 | 2017-05-23 | Method for enriching noble metals from walls and ground of gold and silver smelting workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107225047B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166545A (en) * | 2010-11-22 | 2011-08-31 | 阙明 | Mineral dressing additive for gold mine and preparation method thereof |
| CN103433144A (en) * | 2013-09-09 | 2013-12-11 | 福建省政和县源鑫矿业有限公司 | Flotation agent for flotation of kustelite and flotation method |
| CN103691569A (en) * | 2013-12-11 | 2014-04-02 | 西北矿冶研究院 | Flotation method for high-sulfur gold-bearing copper ore |
| CN105107634A (en) * | 2015-07-23 | 2015-12-02 | 江西理工大学 | Method for recovering associated sulphide copper-zinc ore from cyaniding slag of gold-silver concentrate |
| CN105363561A (en) * | 2015-11-11 | 2016-03-02 | 紫金矿业集团股份有限公司 | Flotation technique for high-sulfur polymetallic sulphide ore containing gold, silver, lead and zinc |
-
2017
- 2017-05-23 CN CN201710368447.8A patent/CN107225047B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166545A (en) * | 2010-11-22 | 2011-08-31 | 阙明 | Mineral dressing additive for gold mine and preparation method thereof |
| CN103433144A (en) * | 2013-09-09 | 2013-12-11 | 福建省政和县源鑫矿业有限公司 | Flotation agent for flotation of kustelite and flotation method |
| CN103691569A (en) * | 2013-12-11 | 2014-04-02 | 西北矿冶研究院 | Flotation method for high-sulfur gold-bearing copper ore |
| CN105107634A (en) * | 2015-07-23 | 2015-12-02 | 江西理工大学 | Method for recovering associated sulphide copper-zinc ore from cyaniding slag of gold-silver concentrate |
| CN105363561A (en) * | 2015-11-11 | 2016-03-02 | 紫金矿业集团股份有限公司 | Flotation technique for high-sulfur polymetallic sulphide ore containing gold, silver, lead and zinc |
Non-Patent Citations (3)
| Title |
|---|
| 张亦飞: "《现代黄金冶炼技术》", 30 September 2014, 冶金工业出版社 * |
| 沈旭: "《浮选技术》", 30 April 2011, 重庆大学出版社 * |
| 黄振卿: "《简明黄金实用手册》", 31 December 1991, 东北师范大学出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107225047B (en) | 2019-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101845562B (en) | Improved device and method for producing electrolytic manganese metal by two-ore method | |
| CN100361751C (en) | Method for floatation and recovery of lead zinc mixed concentrate from gold mine cyaniding slag tails | |
| CN101775490B (en) | Gold extracting method by thiosulfate using polyamine compoud as additive | |
| CN103276206B (en) | Method for leaching gold in alkaline thiourea system efficiently and stably | |
| CN101857917B (en) | Method of classified leaching of oxidized ore with abundant mud | |
| CN113976307B (en) | Flotation separation method of lead zinc sulfide ore difficult to separate and zinc blende inhibitor thereof | |
| CN110124850B (en) | Process for preparing barite powder by using lead-zinc ore dressing tailings | |
| CN110465411B (en) | Preferential flotation method for copper-lead sulfide minerals | |
| CN108728640B (en) | A kind of recovery process of arsenic-containing sulphur-containing type Gold | |
| CN105149085A (en) | Flotation and acid leaching process for complex low-grade copper oxide ore | |
| CN105170309A (en) | Lead and zinc separation method for polymetal gold-bearing ores | |
| CN101602031A (en) | A kind of combined capturing and collecting agent of apatite | |
| CN104745811A (en) | Acid ore washing biological leaching process used for high mud alkaline uranium ore | |
| CN102703690A (en) | Method for separating high-ferrosilicon complex zinc oxide lean ores through combined treatment | |
| CN104745833A (en) | Treatment process for high-mud gold ores | |
| Utepbaeva et al. | FOAM FLOTATION PROCESS, STAGES AND TECHNOLOGICAL PARAMETERS | |
| CN101224443A (en) | Comprehensive utilization method of iron sulfide minerals | |
| CN101392326B (en) | Method for recovering gold from all-sliming cyanidation gold extraction slag | |
| CN103173612A (en) | Acid dump leaching technology of atacamite | |
| CN105935630B (en) | The method of flotation carbonate mineral from mud stone type uranium ore | |
| CN107225047A (en) | Method for enriching noble metals from walls and ground of gold and silver smelting workshop | |
| CN101816979B (en) | Flotation activating agent of marmatite and blende and preparation method thereof | |
| CN101811095B (en) | Floatation desulphurization method of acid-leaching vanadium-extracted residues | |
| CN101948960B (en) | Method for recovering lead from iron-containing lead smelting slag | |
| CN114686694B (en) | Environment-friendly gold leaching method for carbon-containing sulfur-arsenic gold ore |
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 |