CN107475528A - A kind of environment-friendly type puies forward golden agent and its production technology - Google Patents
A kind of environment-friendly type puies forward golden agent and its production technology Download PDFInfo
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- CN107475528A CN107475528A CN201710727700.4A CN201710727700A CN107475528A CN 107475528 A CN107475528 A CN 107475528A CN 201710727700 A CN201710727700 A CN 201710727700A CN 107475528 A CN107475528 A CN 107475528A
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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
- C22B11/04—Obtaining noble metals by wet processes
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Abstract
The present invention relates to industry to carry golden collar domain, more particularly to a kind of environment-friendly type puies forward golden agent and its production technology, and this proposes golden agent and is made up of the material of following parts by weight：25 35 parts of urea, 15 25 parts of sodium hydroxide, 10 20 parts of sodium carbonate, 5 15 parts of yellow sodium prussiate, 10 20 parts of sodium oxide molybdena, 5 15 parts of thiosulfate.By reacting 1 3h under the conditions of 600 850 DEG C after above component is well mixed, room temperature is cooled to after melting, got product after crushing, this carry golden agent make to carry golden process realize it is safe and environment-friendly and efficient, solve the production safety for carrying golden process long-standing problem and the difficulty of major hidden danger be present, it is easy to operate and technique is simple.
Description
Technical field
The present invention relates to industry to carry golden collar domain, more particularly to a kind of environment-friendly type puies forward golden agent and its production technology.
Background technology
At present, in gold and silver Mining Market at home and abroad, generally using the dressing and smelting process of cyaniding, because Cymag belongs to
Hypertoxic hazardous chemical, in process of production, exist high risk sexual, and in the long haul in later stage, storage is used in link, will
Quite a few material resources, financial resources are put into, and the harm of unrepairable is unavoidably caused to the mankind, animal, environment, particularly
Great personal safety accident continuously emerges.
The content of the invention
It is an object of the invention to overcome in the prior art production safety major hidden danger be present, serious waste human and material resources,
Financial resources, ecological environment, the safety problem of long-term existence puzzlement ore deposit enterprise production are destroyed, and a kind of environment-friendly type is provided and proposes golden agent and its life
Production. art, this, which proposes golden agent and makes to put forward golden process, realizes safe and environment-friendly and efficient, solves the production safety for carrying golden process long-standing problem
The difficulty of major hidden danger be present, and technique is simple, easy to operate, existing equipment is without changing.
The technical proposal of the invention is realized in this way：A kind of environment-friendly type proposes golden agent, by the material system of following parts by weight
Into：Urea 25-35 parts, sodium hydroxide 15-25 parts, sodium carbonate 10-20 parts, yellow sodium prussiate 5-15 parts, sodium oxide molybdena 10-20 parts, sulphur
Thiosulfate 5-15 parts.
Preferably, it is made up of the material of following parts by weight：Urea 28-32 parts, sodium hydroxide 18-22 parts, sodium carbonate 13-
18 parts, yellow sodium prussiate 8-12 parts, sodium oxide molybdena 12-18 parts, thiosulfate 8-12 parts.
Preferably, it is made up of the material of following parts by weight：30 parts of urea, 20 parts of sodium hydroxide, 15 parts of sodium carbonate, yellow blood
10 parts of salt sodium, 15 parts of sodium oxide molybdena, 10 parts of thiosulfate.
A kind of environment-friendly type puies forward the production technology of golden agent, comprises the following steps：Raw material is weighed by following parts by weight：Urea
25-35 parts, sodium hydroxide 15-25 parts, sodium carbonate 10-20 parts, yellow sodium prussiate 5-15 parts, sodium oxide molybdena 10-20 parts, thiosulfate
5-15 parts；Above raw material is inserted in reaction vessel, and is well mixed by mixer, agitator shaft speed 45r/min, to anti-
Answer container to be heated, under the conditions of 600-850 DEG C, 1-3h reacted in stainless steel reaction pot, make melting sources, be cooled to
Room temperature, it is subsequently poured into jaw crusher and is crushed, finished product is obtained after crushing.
Preferably, reaction temperature is 700-800 DEG C.
The present invention has advantages below：
1st, golden agent finished product warp is carried《Middle aluminium Lip river copper ring border inspection center》Detected, of the invention carrying in golden agent does not contain cyaniding
Thing, during Gold Production, including transport, store in a warehouse and use, greatly improve what conventional method polluted to environment
Defect, it is safe and convenient to use, people and animals will not be damaged, reliable technical guarantee is provided to realizing that environmental protection carries gold, reduced
Various front-end fees are used.
2nd, golden agent finished product warp is carried《Luoyang Liming chemical Inst》Examine, warp《State Administration of Quality and Technical Supervision
Xue Pin Register》Detection, of the invention carrying in golden agent are not belonging to inflammable thing, are not belonging to explosive, are not belonging to oxidant and have
Machine peroxide, poisonous and infectious substance is not belonging to, is not belonging to corrosives, no radiological hazard, belongs to normal generalization
Chemical product, it can be transported normal through means of transportation such as highway, railway, sea-freight, air transports, reduce cost of transportation.
3rd, because the golden agent that carries of the present invention has above-mentioned characteristic, therefore in the extraction of gold process of mine, can take comprehensively completely
For the use of hypertoxic Cymag.
4th, because this product belongs to chemical composition, with the ore course of reaction containing gold, effect is rapider, thoroughly,
Therefore production efficiency is improved, reduces production cost.
Urea：Chemical formula CO (NH2)2 , also known as phosphoamide is a kind of neutral fertilizer, suitable for various soil and plant.Nothing
Color or white needles or bar-shaped crystalline solid, industrial or agriculture product are white slightly reddish Solid particle, odorless, tasteless.Nitrogen content
About 46.67%.
Sodium hydroxide：Chemical formula is NaOH, when sodium hydroxide dissolves in water, is reacted with arsenic compound, can accelerate to eliminate
The arsenide film that part gold grain surface is formed, improve the leaching rate of gold.Reach the purpose of recovery gold.
Sodium carbonate：Chemical formula Na2CO3As ore dressing catalyst.Because sodium carbonate is more in metallurgical industry, ore dressing, catalysis
Recast is used, and multiple action and effect using it, gold ion is dissolved and be formed compound, sodium carbonate rapidly by catalytic process
Gold is dissolved under the cooperation of sodium hydroxide, carbanion is complex, forms the solution of gold hydroxide, reaches the mesh of recovery gold
's.
Sodium ferrocyanide：Chemical formula Na4Fe(CN)6·10H2O, pale yellow crystals, it is the ligand compound that iron and cyanogen are formed
Thing.Mainly for the manufacture of paint, ink, pigment, pharmacy, metal heat treatmet, salt anticaking agent, food additives and steel
Industry and rub leather etc..
Sodium oxide molybdena：Chemical formula Na2O, is mainly used as producing the compound of sodium, or as bleaching agent, disinfectant, dehydrogenating agent,
Polymerizer, the condensing agent of chemical reaction.
Thiosulfate：That is sodium thiosulfate, chemical formula Na2S2O3, also known as Sodium Thiosulfate, dodium thiosulfate.For monoclinic system
White crystalline powder, it is soluble in water, insoluble in alcohol.Very stable complex can be generated with gold.
Put forward the reaction mechanism of golden agent：The present invention's puies forward the compounds such as cyanuric acid sodium in golden agent finished product, thiocarbamide, cementite,
In gold ore, fully reacted with the gold element in ore, leach gold ion in your liquid, then carried out charcoal, and made activity
Charcoal is fully adsorbed to gold ion, and finally the gold loaded carbon of saturation is electrolysed, smelts into gold.Specifically reaction equation is：
C3H3Na3O3+Au+H2O→Au(CN)2+NaOH。
Embodiment
Technical scheme is further described with reference to embodiment.
Embodiment 1：A kind of environment-friendly type proposes golden agent, is made up of the material of following weight：Urea 25g, sodium hydroxide 15g, carbon
Sour sodium 10g, yellow sodium prussiate 5g, sodium oxide molybdena 10g, thiosulfate 5g.The production technology that the environment-friendly type proposes golden agent includes following step
Suddenly：Each compound is weighed by above weight, above raw material is inserted in reaction vessel, and is well mixed by agitating shaft, is stirred
Rotating speed is 45r/min, and reaction vessel is heated, and under the conditions of 850 DEG C, 1h is reacted in stainless steel reaction pot, makes original
Material fusing, is cooled to room temperature, is subsequently poured into jaw crusher（Model：PE-150-250）Inside crushed, obtained after crushing
Finished product, finished product grain size 10mm.
Embodiment 2：A kind of environment-friendly type proposes golden agent, is made up of the material of following weight：Urea 35g, sodium hydroxide 25g, carbon
Sour sodium 20g, yellow sodium prussiate 15g, sodium oxide molybdena 20g, thiosulfate 15g.The environment-friendly type puies forward the production technology of golden agent including following
Step：Each compound is weighed by above weight, above raw material is inserted in reaction vessel, and is well mixed by mixer, is stirred
It is 50r/min to mix rotating speed, and reaction vessel is heated, and under the conditions of 600 DEG C, 3h is reacted in stainless steel reaction pot, is made
Melting sources, room temperature is cooled to, is subsequently poured into jaw crusher（Model：PE-150-250）Inside crushed, grinding particle size is
20mm, finished product is obtained after crushing.
Embodiment 3：A kind of environment-friendly type proposes golden agent, is made up of the material of following weight：Urea 25g, sodium hydroxide 25g, carbon
Sour sodium 10g, yellow sodium prussiate 15g, sodium oxide molybdena 10g, thiosulfate 15g.The environment-friendly type puies forward the production technology of golden agent including following
Step：Each compound is weighed by above weight, above raw material is inserted in reaction vessel, and is well mixed by agitating shaft, is stirred
It is 42r/min to mix rotating speed, and reaction vessel is heated, and under the conditions of 850 DEG C, 2h is reacted in stainless steel reaction pot, is made
Melting sources, room temperature is cooled to, is subsequently poured into jaw crusher（Model：PE-150-250）Inside crushed, grinding particle size is
30mm, finished product is obtained after crushing.
Embodiment 4：A kind of environment-friendly type proposes golden agent, is made up of the material of following weight：Urea 28Kg, sodium hydroxide 18Kg,
Sodium carbonate 13Kg, yellow sodium prussiate 8Kg, sodium oxide molybdena 12Kg, thiosulfate 8Kg.The production technology that the environment-friendly type proposes golden agent includes
Following steps：Each compound is weighed by above weight, above raw material is inserted in reaction vessel, and is mixed by agitating shaft
It is even, agitator shaft speed 40r/min, reaction vessel is heated, under the conditions of 800 DEG C, reacted in stainless steel reaction pot
1.5h, make melting sources, be cooled to room temperature, be subsequently poured into jaw crusher（Model：PE-150-250）Inside crushed, crushed
Granularity is 35mm, and finished product is obtained after crushing.
Embodiment 5：A kind of environment-friendly type proposes golden agent, is made up of the material of following weight：Urea 32g, sodium hydroxide 22g, carbon
Sour sodium 18g, yellow sodium prussiate 12g, sodium oxide molybdena 18g, thiosulfate 12g.The environment-friendly type puies forward the production technology of golden agent including following
Step：Each compound is weighed by above weight, above raw material is inserted in reaction vessel, and is well mixed by agitating shaft, is stirred
It is 40r/min to mix rotating speed, and reaction vessel is heated, and under the conditions of 700 DEG C, 3h is reacted in stainless steel reaction pot, is made
Melting sources, room temperature is cooled to, is subsequently poured into jaw crusher（Model：PE-150-250）Inside crushed, grinding particle size is
25mm, finished product is obtained after crushing.
Embodiment 6：A kind of environment-friendly type proposes golden agent, is made up of the material of following weight：Urea 28g, sodium hydroxide 22g, carbon
Sour sodium 13g, yellow sodium prussiate 12g, sodium oxide molybdena 12g, thiosulfate 12g.The environment-friendly type puies forward the production technology of golden agent including following
Step：Each compound is weighed by above weight, above raw material is inserted in reaction vessel, and is well mixed by agitating shaft, is stirred
It is 48r/min to mix rotating speed, and reaction vessel is heated, and under the conditions of 650 DEG C, 2.5h is reacted in stainless steel reaction pot,
Make melting sources, be cooled to room temperature, be subsequently poured into jaw crusher（Model：PE-150-250）Inside crushed, grinding particle size
For 40mm, finished product is obtained after crushing.
Embodiment 7：A kind of environment-friendly type proposes golden agent, is made up of the material of following weight：Urea 30g, sodium hydroxide 20g, carbon
Sour sodium 15g, yellow sodium prussiate 10g, sodium oxide molybdena 15g, thiosulfate 10g.The environment-friendly type puies forward the production technology of golden agent including following
Step：Each compound is weighed by above weight, above raw material is inserted in reaction vessel, and is well mixed by agitating shaft, is stirred
It is 45r/min to mix rotating speed, and reaction vessel is heated, and under the conditions of 800 DEG C, 3h is reacted in stainless steel reaction pot, is made
Melting sources, room temperature is cooled to, is subsequently poured into jaw crusher（Model：PE-150-250）Inside crushed, grinding particle size is
25mm, finished product is obtained after crushing.
In seven embodiments of the above, embodiment 7 is most preferred embodiment.
Test experiments：Utilize the metallurgical test for proposing golden agent and carried in ore gold in the embodiment of the present invention 7：
Sample leaches result such as following table：
| Nomenclature of drug | Raw ore Au/g | Extraction time | Mine tailing Au/g | Leaching rate | Pulp density % | Dosage Kg/T |
| Environment-friendly type proposes golden agent | 2.04 | 48 hours | 0.28 | 86.27 | 40 ~ 44 | 1.2 |
| Cymag | 2.04 | 48 hours | 0.33 | 83.82 | 40 ~ 44 | 1.2 |
Conclusion：Test result indicates that golden agent is proposed in identical consersion unit and anti-with Cymag and the embodiment of the present invention 7
On between seasonable, with identical dose, it is higher than the leaching rate of Cymag by 2.45% and of the invention that environment-friendly type of the invention proposes golden agent
The golden agent that carries be not belonging to inflammable thing, be not belonging to explosive, be not belonging to oxidant and organic peroxide, be not belonging to it is poisonous and infect
Property material, is not belonging to corrosives, no radiological hazard belongs to normal general chemical product, can be normal through highway, iron
The means of transportation such as road, sea-freight, air transport are transported, the characteristics of reducing cost of transportation.
Having the prominent advantages that for the present invention adds sodium oxide molybdena and sodium thiosulfate.The sodium oxide molybdena of addition, main function are
Condensing agent, there is oxidant in ore leaching Jin Zhongye.Sodium thiosulfate can generate very stable complex, nothing with gold in itself
It is malicious and cheap.It is insensitive to impurity during ore leaching gold, for refractory gold ore（Such as cupric, arsenic, antimony and carbon
The gold ore of matter）Gold leaching, recovery be better than cyaniding.Also chlorination hydroxyl sodium salt and butyl xanthic acid are added in the invention having
Potassium, main function are the collecting agents of noble metal flotation.
Claims (5)
1. a kind of environment-friendly type proposes golden agent, it is characterised in that：It is prepared by the material of following parts by weight：Urea 25-35 parts, hydrogen
Sodium oxide molybdena 15-25 parts, sodium carbonate 10-20 parts, yellow sodium prussiate 5-15 parts, sodium oxide molybdena 10-20 parts, thiosulfate 5-15 parts.
2. environment-friendly type proposes golden agent according to claim 1, it is characterised in that：It is prepared by the material of following parts by weight：
Urea 28-32 parts, sodium hydroxide 18-22 parts, sodium carbonate 13-18 parts, yellow sodium prussiate 8-12 parts, sodium oxide molybdena 12-18 parts, thio sulphur
Hydrochlorate 8-12 parts.
3. environment-friendly type proposes golden agent according to claim 1, it is characterised in that：It is prepared by the material of following parts by weight：
30 parts of urea, 20 parts of sodium hydroxide, 15 parts of sodium carbonate, 10 parts of yellow sodium prussiate, 15 parts of sodium oxide molybdena, 10 parts of thiosulfate.
4. a kind of environment-friendly type according to claim 1 puies forward the production technology of golden agent, it is characterised in that：Claim by following parts by weight
Take raw material：Urea 25-35 parts, sodium hydroxide 15-25 parts, sodium carbonate 10-20 parts, yellow sodium prussiate 5-15 parts, sodium oxide molybdena 10-20
Part, thiosulfate 5-15 parts；Above raw material is inserted in reaction vessel, and is well mixed by mixer, agitator shaft speed
For 40-50r/min, reaction vessel is heated, under the conditions of 600-850 DEG C, 1-3h is reacted in stainless steel reaction pot,
Make melting sources, be cooled to room temperature, be subsequently poured into jaw crusher and crushed, grinding particle size 10-40mm, after crushing i.e.
Obtain finished product.
5. environment-friendly type according to claim 4 puies forward the production technology of golden agent, it is characterised in that：Reaction temperature is 700-800
℃。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797290A (en) * | 2019-03-12 | 2019-05-24 | 紫金矿业集团股份有限公司 | A kind of environment-friendly highly efficient soaks the synthetic method of golden agent |
| CN109811139A (en) * | 2019-03-07 | 2019-05-28 | 紫金矿业集团股份有限公司 | A kind of method that efficient preparation environment-friendly type soaks golden agent |
| CN109943731A (en) * | 2019-04-01 | 2019-06-28 | 河北绿谷时代科技发展有限公司 | One kind is environmentally protective to propose golden agent and preparation method thereof |
| CN111304456A (en) * | 2018-12-12 | 2020-06-19 | 有研工程技术研究院有限公司 | Environment-friendly gold extraction agent and preparation method thereof |
| CN112011687A (en) * | 2019-05-31 | 2020-12-01 | 王志广 | Novel gold and silver leaching agent and preparation method thereof |
| WO2023186027A1 (en) * | 2022-03-30 | 2023-10-05 | 云南大学 | Environmentally friendly gold leaching method for gold ore containing carbon, sulfur and arsenic |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111304456A (en) * | 2018-12-12 | 2020-06-19 | 有研工程技术研究院有限公司 | Environment-friendly gold extraction agent and preparation method thereof |
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| CN109943731A (en) * | 2019-04-01 | 2019-06-28 | 河北绿谷时代科技发展有限公司 | One kind is environmentally protective to propose golden agent and preparation method thereof |
| CN112011687A (en) * | 2019-05-31 | 2020-12-01 | 王志广 | Novel gold and silver leaching agent and preparation method thereof |
| WO2023186027A1 (en) * | 2022-03-30 | 2023-10-05 | 云南大学 | Environmentally friendly gold leaching method for gold ore containing carbon, sulfur and arsenic |
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Application publication date: 20171215 |