CN110029218A - Gold mine cyanogen-containing tailing slag for comprehensive utilizes method - Google Patents
Gold mine cyanogen-containing tailing slag for comprehensive utilizes method Download PDFInfo
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- CN110029218A CN110029218A CN201910468289.2A CN201910468289A CN110029218A CN 110029218 A CN110029218 A CN 110029218A CN 201910468289 A CN201910468289 A CN 201910468289A CN 110029218 A CN110029218 A CN 110029218A
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- Prior art keywords
- gold
- cyanogen
- tailing slag
- gold mine
- containing tailing
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- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
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- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
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- 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
- C22B11/00—Obtaining noble metals
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to gold mine cyanogen-containing tailing slag for comprehensive to utilize method, comprising: (1) gold mine cyanogen-containing tailing slag and sodium carbonate to be processed is placed in high-temperature resistant container, is uniformly mixed；(2) in air atmosphere by high-temperature resistant container, solid product and gaseous products are obtained after calcining after furnace cooling, and collects the gaseous products generated in calcination process；(3) solid product is put into excessive water, stands, filtrate and filter residue is obtained by filtration；(4) rich iron tailings is obtained after extracting the gold and silver being enriched in filter residue.Gold mine cyanogen-containing tailing slag for comprehensive disclosed by the invention has the advantages that 1 using method, will wrap up the SiO of gold, silver in waste residue2After melting out, the gold, silver wrapped up are released, the gold, silver in waste residue can be enriched with, the rate of recovery for improving noble metal is conducive to；2, all resources in abandoned mine slag obtain abundant, reasonable utilization, and the environmental problem not only solved more realizes the comprehensive utilization of mineral, improve value-added content of product.
Description
Technical field
The invention belongs to offal treatment fields, and in particular to gold mine cyanogen-containing tailing slag for comprehensive utilizes method.
Background technique
Content of the gold in ore is extremely low, in order to extract gold from, needs ore reduction and levigate and using beneficiation method
Preconcentration separates gold from ore.
Gold mine, due to using Cyanide Process, can generate a large amount of cyanogen-containing tailing in recovery process.Some are yellow
Golden cyanogen-containing tailing gold amount is higher (about 0.2g/t), and contains the metals such as a large amount of silica, ferrous sulfide and a small amount of Ag member
Element.
If these cyanogen-containing tailings are not handled, a large amount of leaching liquor can be generated during being caught in the rain, these leaching liquors are not
Only containing a certain amount of hypertoxic cyanide, but also containing heavy metal ion such as copper, zinc, lead, if cannot effectively handle,
Great environmentally friendly hidden danger will be generated.In addition, the higher cyanogen-containing tailing of gold content can handle recycling the inside noble metal (gold and
Silver), but the recycling technology of gold, silver and immature at present.
Summary of the invention
Goal of the invention: the present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the invention discloses gold
Mine cyanogen-containing tailing slag for comprehensive utilizes method, and this method is for handling the higher gold mine tailing of gold content.
Technical solution: gold mine cyanogen-containing tailing slag for comprehensive utilizes method, the following steps are included:
(1) sodium carbonate of the gold mine cyanogen-containing tailing slag and 3~7.5 mass parts to be processed of 5 mass parts is placed in resistance to
In elevated temperature vessel, (2) are entered step after mixing；
(2) in air atmosphere by the high-temperature resistant container in step (1), after 700 DEG C~1100 DEG C are calcined 1~3 hour,
Solid product and gaseous products are obtained after furnace cooling, and collect the gaseous products generated in calcination process, in which:
Gaseous products include the nitrogen obtained by oxygenolysis containing cyanogen compound and carbon dioxide, by ferrous sulfide oxidation point
The sulfur dioxide that solution obtains；
(3) solid product that step (2) obtains is put into excessive water, after standing 30~120 minutes, filter is obtained by filtration
Liquid and filter residue, the filtrate are sodium silicate aqueous solution；
(4) rich iron tailings is obtained after extracting the gold and silver being enriched in the filter residue that step (3) obtains.
Further, step (1) high-temperature resistant container is crucible or porcelain boat.
Further, the gaseous products that step (2) is collected are as the raw material for preparing sulfuric acid.
Further, the sodium silicate aqueous solution that step (3) obtains can be as the raw material for preparing white carbon black.
Further, the rich iron tailings that step (4) obtains can be as the raw material of steel-making.
The utility model has the advantages that gold mine cyanogen-containing tailing slag for comprehensive disclosed by the invention is had the advantages that using method
1, the SiO of gold, silver will be wrapped up in waste residue2After melting out, the gold, silver wrapped up are released, it can be by the gold, silver in waste residue
Enrichment is conducive to the rate of recovery for further improving noble metal；
2, all resources in abandoned mine slag obtain abundant, reasonable utilization, and the environmental problem not only solved more realizes mine
The comprehensive utilization of object, improves value-added content of product.
Specific embodiment:
Detailed description of specific embodiments of the present invention below.
Embodiment 1
Gold mine cyanogen-containing tailing slag for comprehensive utilizes method, the following steps are included:
(1) sodium carbonate of the gold mine cyanogen-containing tailing slag and 3 mass parts to be processed of 5 mass parts high temperature resistant is placed in hold
In device, (2) are entered step after mixing；
(2) in air atmosphere by the high-temperature resistant container in step (1), after 700 DEG C are calcined 3 hours, after furnace cooling
Solid product and gaseous products are obtained, and collects the gaseous products generated in calcination process, in which:
Gaseous products include the nitrogen obtained by oxygenolysis containing cyanogen compound and carbon dioxide, by ferrous sulfide oxidation point
The sulfur dioxide that solution obtains；
(3) solid product that step (2) obtains is put into excessive water, stand 120 minutes after, be obtained by filtration filtrate and
Filter residue, filtrate are sodium silicate aqueous solution；
(4) rich iron tailings is obtained after extracting the gold and silver being enriched in the filter residue that step (3) obtains.
Further, step (1) high-temperature resistant container is crucible.
Further, the gaseous products that step (2) is collected are as the raw material for preparing sulfuric acid.
Further, the sodium silicate aqueous solution that step (3) obtains can be as the raw material for preparing white carbon black.
Further, the rich iron tailings that step (4) obtains can be as the raw material of steel-making.
Embodiment 2
Gold mine cyanogen-containing tailing slag for comprehensive utilizes method, the following steps are included:
(1) sodium carbonate of the gold mine cyanogen-containing tailing slag and 7.5 mass parts to be processed of 5 mass parts is placed in high temperature resistant
In container, (2) are entered step after mixing；
(2) in air atmosphere by the high-temperature resistant container in step (1), after 1100 DEG C are calcined 1 hour, after furnace cooling
Solid product and gaseous products are obtained, and collects the gaseous products generated in calcination process, in which:
Gaseous products include the nitrogen obtained by oxygenolysis containing cyanogen compound and carbon dioxide, by ferrous sulfide oxidation point
The sulfur dioxide that solution obtains；
(3) solid product that step (2) obtains is put into excessive water, stand 30 minutes after, be obtained by filtration filtrate and
Filter residue, filtrate are sodium silicate aqueous solution；
(4) rich iron tailings is obtained after extracting the gold and silver being enriched in the filter residue that step (3) obtains.
Further, step (1) high-temperature resistant container is porcelain boat.
Further, the gaseous products that step (2) is collected are as the raw material for preparing sulfuric acid.
Further, the sodium silicate aqueous solution that step (3) obtains can be as the raw material for preparing white carbon black.
Further, the rich iron tailings that step (4) obtains can be as the raw material of steel-making.
Embodiment 3
Gold mine cyanogen-containing tailing slag for comprehensive utilizes method, the following steps are included:
(1) sodium carbonate of the gold mine cyanogen-containing tailing slag and 5 mass parts to be processed of 5 mass parts high temperature resistant is placed in hold
In device, (2) are entered step after mixing；
(2) in air atmosphere by the high-temperature resistant container in step (1), after 900 DEG C are calcined 2 hours, after furnace cooling
Solid product and gaseous products are obtained, and collects the gaseous products generated in calcination process, in which:
Gaseous products include the nitrogen obtained by oxygenolysis containing cyanogen compound and carbon dioxide, by ferrous sulfide oxidation point
The sulfur dioxide that solution obtains；
(3) solid product that step (2) obtains is put into excessive water, stand 75 minutes after, be obtained by filtration filtrate and
Filter residue, filtrate are sodium silicate aqueous solution；
(4) rich iron tailings is obtained after extracting the gold and silver being enriched in the filter residue that step (3) obtains.
Further, step (1) high-temperature resistant container is crucible or porcelain boat.
Further, the gaseous products that step (2) is collected are as the raw material for preparing sulfuric acid.
Further, the sodium silicate aqueous solution that step (3) obtains can be as the raw material for preparing white carbon black.
Further, the rich iron tailings that step (4) obtains can be as the raw material of steel-making.
Embodiment 4
Gold mine cyanogen-containing tailing slag to be processed is placed in 110 DEG C of air dry ovens dry 2h or more, it is finely ground.It weighs
10g Na is added in 10g finely ground gold mine cyanogen-containing tailing slag to be processed2CO3Mixed grinding makes gold mine to be processed
Cyanogen-containing tailing slag and Na2CO3It is sufficiently mixed uniformly.Powder after ground and mixed is transferred in porcelain boat, porcelain boat is put into Muffle furnace
In, it is gradually warming up to 850 DEG C in air atmosphere, keeps 850 DEG C of calcining 1h, then natural cooling.
Analyze gas componant, mainly SO2；
With the calcined solid 10min of 50ml water extraction, it is centrifugated after static 30min.Analysis solid component, about 95%
It is Fe2O3, other are Au, Ag2O, CuO, PbO etc..
Liquid Na2SiO3Solution.
Embodiments of the present invention are elaborated above.But present invention is not limited to the embodiments described above,
Technical field those of ordinary skill within the scope of knowledge, can also do without departing from the purpose of the present invention
Various change out.
Claims (5)
1. gold mine cyanogen-containing tailing slag for comprehensive utilizes method, which comprises the following steps:
(1) sodium carbonate of the gold mine cyanogen-containing tailing slag and 3~7.5 mass parts to be processed of 5 mass parts is placed in high temperature resistant
In container, (2) are entered step after mixing；
(2) in air atmosphere by the high-temperature resistant container in step (1), after 700 DEG C~1100 DEG C are calcined 1~3 hour, with furnace
Solid product and gaseous products are obtained after cooling, and collect the gaseous products generated in calcination process, in which:
Gaseous products include the nitrogen obtained by oxygenolysis containing cyanogen compound and carbon dioxide, are obtained by ferrous sulfide oxygenolysis
The sulfur dioxide arrived；
(3) solid product that step (2) obtains is put into excessive water, stand 30~120 minutes after, be obtained by filtration filtrate and
Filter residue, the filtrate are sodium silicate aqueous solution；
(4) rich iron tailings is obtained after extracting the gold and silver being enriched in the filter residue that step (3) obtains.
2. gold mine cyanogen-containing tailing slag for comprehensive according to claim 1 utilizes method, which is characterized in that step (1) institute
Stating high-temperature resistant container is crucible or porcelain boat.
3. gold mine cyanogen-containing tailing slag for comprehensive according to claim 1 utilizes method, which is characterized in that step (2) is received
The gaseous products of collection are as the raw material for preparing sulfuric acid.
4. gold mine cyanogen-containing tailing slag for comprehensive according to claim 1 utilizes method, which is characterized in that step (3)
To sodium silicate aqueous solution can be as the raw material for preparing white carbon black.
5. gold mine cyanogen-containing tailing slag for comprehensive according to claim 1 utilizes method, which is characterized in that step (4)
The rich iron tailings arrived can be as the raw material of steel-making.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910468289.2A CN110029218B (en) | 2019-05-31 | 2019-05-31 | Comprehensive utilization method of gold mine cyanide-containing tailing slag |
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| CN201910468289.2A CN110029218B (en) | 2019-05-31 | 2019-05-31 | Comprehensive utilization method of gold mine cyanide-containing tailing slag |
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| CN110029218A true CN110029218A (en) | 2019-07-19 |
| CN110029218B CN110029218B (en) | 2020-12-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357507A (en) * | 2019-08-01 | 2019-10-22 | 山东众森固废资源循环利用研究院有限公司 | A method of gold mine cementing filling material is prepared using the tailings of gold containing cyanogen |
| CN111455165A (en) * | 2020-05-29 | 2020-07-28 | 东北大学 | Suspension magnetization roasting cyanogen breaking-low intensity magnetic separation iron extraction device for high-iron cyanidation tailings |
| CN111484020A (en) * | 2020-04-20 | 2020-08-04 | 武汉工程大学 | Tail-free utilization method of high-magnesium phosphate tailings |
| CN113122723A (en) * | 2021-03-31 | 2021-07-16 | 河南科技大学 | Full recycling method of gold smelting red slag |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046787A (en) * | 2014-07-04 | 2014-09-17 | 西安建筑科技大学 | Comprehensive utilization method of cyanidation tailings |
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2019
- 2019-05-31 CN CN201910468289.2A patent/CN110029218B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046787A (en) * | 2014-07-04 | 2014-09-17 | 西安建筑科技大学 | Comprehensive utilization method of cyanidation tailings |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357507A (en) * | 2019-08-01 | 2019-10-22 | 山东众森固废资源循环利用研究院有限公司 | A method of gold mine cementing filling material is prepared using the tailings of gold containing cyanogen |
| CN110357507B (en) * | 2019-08-01 | 2021-07-09 | 山东生态环境研究院有限公司 | Method for preparing gold mine filling cementing material by using cyanide-containing gold tailings |
| CN111484020A (en) * | 2020-04-20 | 2020-08-04 | 武汉工程大学 | Tail-free utilization method of high-magnesium phosphate tailings |
| CN111455165A (en) * | 2020-05-29 | 2020-07-28 | 东北大学 | Suspension magnetization roasting cyanogen breaking-low intensity magnetic separation iron extraction device for high-iron cyanidation tailings |
| CN111455165B (en) * | 2020-05-29 | 2021-08-31 | 东北大学 | Suspension magnetization roasting cyanogen breaking-low intensity magnetic separation iron extraction device for high-iron cyanidation tailings |
| CN113122723A (en) * | 2021-03-31 | 2021-07-16 | 河南科技大学 | Full recycling method of gold smelting red slag |
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| CN110029218B (en) | 2020-12-18 |
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