CN102121067B - Nuisanceless oredressing additive as well as preparation method and application thereof - Google Patents
Nuisanceless oredressing additive as well as preparation method and application thereof Download PDFInfo
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- CN102121067B CN102121067B CN 201010589648 CN201010589648A CN102121067B CN 102121067 B CN102121067 B CN 102121067B CN 201010589648 CN201010589648 CN 201010589648 CN 201010589648 A CN201010589648 A CN 201010589648A CN 102121067 B CN102121067 B CN 102121067B
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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 invention relates to a low-toxicity and environmentally friendly gold and silver oredressing additive as well as a preparation method and application thereof. The main raw materials of the additive comprise sodium hydroxide, sodium carbonate, urea and potassium ferrocyanide. The preparation method comprises the following steps of: heating the sodium hydroxide, the sodium carbonate, the urea and the potassium ferrocyanide to 600-1,000 DEG C, and after the materials reach a molten state, continuing to preserve heat for 1-2 hours; directly cooling to normal temperature; and demoulding to obtain a nubby gold and silver oredressing additive. The product of the invention can be widely applied to producing noble metal mines, such as soaking, core spraying, and the like of gold oxide mines, silver oxide mines, copper oxide mines, and also can be used for industrial production industries of electroplating, and the like for replacing highly toxic sodium cyanide chemicals. Compared with other non-toxic sodium cyanide drugs, the additive provided by the invention has the advantages of good effect, stable drug properties, environmental friendliness, lower cost, and the like.
Description
Technical field
The present invention relates to a kind of mineral dressing additive, particularly have low toxicity, environmental protection, for mineral dressing additive of the precious metals such as gold trioxide, cerargyrite, copper oxide ore and its preparation method and application.
Background technology
The precious metals such as gold, silver and bronze are precious resources.The trend of world's gold and silver copper mining is rich ore, easily processes that the ore deposit is reduced day by day or exhausted, and complex ore, difficult ore and lean ore become the Main Resources that kustelite is produced.It is reported, rich ore seldom carries over more than 2/3 and to be refractory ore in the world at present.Therefore, in nearly twoth century, to the pretreatment process of the research of refractory ore, particularly difficult ore and the research of technique, and to the research of the Comprehensive Recovery Technology of complex ore, become the important topic of gold and silver production field.Aspect extraction process, the main cyanide process that directly adopts of oxidized ore gold and silver ore dressing, the gold more than 85% all extracts with cyanide process in the world at present.Producing gold with cyanide process, is a kind of comparatively ripe technique.Its advantage is that technique is simple, and production cost is low, and to the ore strong adaptability, leaching yield is high; Shortcoming be extraction time long, to personnel safety and farming, herd, harm and the environment of fishery thanks to dye all very serious.Along with the requirement of environmental protection is increasingly strict; particularly promulgated " Environment Protect in China method " afterwards in 1989; force enterprise when administering gold and silver production environmental pollution, the research of expedite clean-up production technique is to impel the gold and silver production technology towards the future development of pollution-free or less contamination.
In order to solve the hypertoxic pollution problem of prussiate, in decades, relevant scholar has launched a large amount of Test And Research Works in succession both at home and abroad, strive to find without cyanogen, nontoxic dressing agent, the golden agent of soaking of having studied has tens kinds, such as: By Thiourea-uv Method, water-chlorine process, coal gold agglomeration method, thiosulfate technique, lime sulfur mixture method, hypochlorite method etc., in these methods, it is that production cost is high, technique is comparatively complicated that restriction is applied to industrial subject matter without the cyanogen gold-leaching technology.By Thiourea-uv Method for example, expensive, production cost is high, stable production process is poor, is restricting its promotion and application.Other method not yet makes a breakthrough aspect industrial applications.So in recent years people also to explore some costs low always, environmental pollution few without cyanogen, nontoxic dressing agent, for example: the Chinese patent title: precious metal and nonferrous metal sulfide mineral composite chemical for floatating, application (patent) number: the CN99113384.6 applying date: 1999.10.29, open (bulletin) number: CN1294032, open (bulletin) day: 2001.05.09, application (patent right) people: Shenyang Mining and Metallurgical Industry Inst., address: No. 70 inventions in road (design) people: Han Shushan summary in the Tiexi District south nine, Shenyang City, Liaoning Province: precious metal and nonferrous metal sulfide mineral flotation reagent field, contain: dialkyl dithiophosphate 30%-60%, dialkyl thiocarbamic acid ester 8%-14%, mixed fatty alcohol 8%-24%, aromatic hydrocarbon oil 4%-8%, Xylo-Mucine 0%-30%, water 15%-36%, it is little that this invention has consumption, cost is low, medicament interpolation system is easy, to the metal recovery index good improvement can be arranged.
Summary of the invention
The purpose of this invention is to provide a kind of hypertoxic pollution problem that can replace existing prussiate, have that extraction yield is high, cost is low, gold trioxide of stable production process, silver suboxide, cupric oxide mineral dressing additive and its preparation method and application.
Composition and the parts by weight of gold and silver mineral dressing additive main raw material of the present invention are as follows:
8～15 parts in highly basic;
4～16 parts in carbonate;
12～30 parts in urea;
6～22 parts of yellow prussiate of potash.
Above-described highly basic comprises sodium hydroxide and potassium hydroxide.
Above-described carbonate comprises yellow soda ash, sodium bicarbonate, salt of wormwood and bicarbonate of ammonia.
Above-described yellow prussiate of potash chemical name is yellow prussiate of potash (chemical formula K
4[Fe (CN)
6] 3H
2O), yellow prussiate of soda (chemical formula Na
4[Fe (CN)
6] 3H
2O), pale yellow crystals is the coordination compound of iron and cyanogen formation.Mainly for the manufacture of paint, printing ink, pigment, pharmacy, metal heat treatmet, salt anti-hard caking agent, foodstuff additive and Iron And Steel Industry and rub leather etc.
The preparation method of gold trioxide of the present invention, silver suboxide, cupric oxide mineral dressing additive is: after first highly basic, yellow prussiate of potash heating being reached molten state, again carbonate, urea comprehensively are heated to 600-1000 ℃, behind molten state, directly be cooled to normal temperature or place mould, be cooled to normal temperature, the demoulding obtains the mineral dressing additive of block gold trioxide, silver suboxide and cupric oxide.
The using method of oxidation gold and silver of the present invention, copper mineral dressing additive is: with above-mentioned additive water dissolution, dose with ore 50 grams～250 grams per ton, per kilogram gold and silver mineral dressing additive adds 200 kilograms of dissolvings of water in advance, the method of heap pouring leaches gold trioxide, silver suboxide and cupric oxide routinely, and leaching the peak period time is 5～12 hours.
The using method of oxidation gold and silver of the present invention, copper mineral dressing additive, can also add lime and admix use, method is to add mineral dressing additive of the present invention behind the ore grinding, ore per ton adds mineral dressing additive 50 grams～250 grams, ore per ton adds lime 20-30 kilogram, and per kilogram gold, silver and bronze mineral dressing additive adds 200 kilograms of dissolvings of water in advance, mixes with breeze, lime, the peak period of ore extraction time is 5～12 hours, then reclaims gold, silver and bronze by ordinary method.
Outstanding substantive distinguishing features and the significant progress of the mineral dressing additive of gold trioxide of the present invention, silver suboxide and cupric oxide are:
1, can be widely used in the production in precious metal mine, drench such as the immersion of oxidation gold mine, cerargyrite, copper oxide ore, heap etc., can also be used in the industrial production industries such as plating, substitute the medicine of hypertoxic sodium cyanide, compare with other all nontoxic cyaniding medicines, have the advantages such as the property of medicine is stable, the medicine environmental protection, and cost is lower, be the epoch-making product that current China advocates the friendly type of environmental protection society, will play revolutionary effect to the precious metal production in China and even the world.
2, medicine has low toxicity, environment protecting.We are special to feed dog with surpassing 10 gram medicines immersion food, and the large build animal such as dog, ox, sheep, horse is drunk not fatal; The animalcule such as locust, frog is fallen in the lean solution pond of piling pouring also not fatal.Gold trioxide of the present invention is described, silver suboxide, it is low toxicity that the mineral dressing additive of cupric oxide uses, security is higher.
Embodiment
Embodiment 1, get 5 kilograms of yellow prussiate of potash, 10 kilograms in sodium hydroxide, 10 kilograms in yellow soda ash, 15 kilograms in urea, after first the yellow prussiate of potash heating being reached molten state, add again sodium hydroxide, yellow soda ash, urea and comprehensively be heated to 600-1000 ℃, behind molten state, directly be cooled to normal temperature or place mould, be cooled to normal temperature, the demoulding obtains the mineral dressing additive of block gold trioxide, silver suboxide and cupric oxide.
Embodiment 2, get 6 kilograms of yellow prussiate of potash, 15 kilograms in sodium hydroxide, 20 kilograms in yellow soda ash, 25 kilograms in urea, after first yellow prussiate of potash heating being reached molten state, add again sodium hydroxide, yellow soda ash, urea and comprehensively be heated to 600-1000 ℃, make material reach molten state after, directly be cooled to normal temperature or place mould, be cooled to normal temperature, the demoulding obtains the mineral dressing additive of block gold trioxide, silver suboxide and cupric oxide.
Embodiment 3, get 8 kilograms of yellow prussiate of potash, 12 kilograms in sodium hydroxide, 19 kilograms in yellow soda ash, 30 kilograms in urea, after first yellow prussiate of potash heating being reached molten state, add again sodium hydroxide, yellow soda ash, urea and comprehensively be heated to 600-1000 ℃, make material reach molten state after, directly be cooled to normal temperature or place mould, be cooled to normal temperature, the demoulding obtains the mineral dressing additive of block gold trioxide, silver suboxide and cupric oxide.
Embodiment 4, get 10 kilograms of yellow prussiate of potash, 15 kilograms in potassium hydroxide, 20 kilograms in salt of wormwood, 25 kilograms in urea, after first yellow prussiate of potash heating being reached molten state, add again sodium hydroxide potassium, salt of wormwood, urea and comprehensively be heated to 600-1000 ℃, make material reach molten state after, directly be cooled to normal temperature or place mould, be cooled to normal temperature, the demoulding obtains the mineral dressing additive of block gold trioxide, silver suboxide and cupric oxide.
Embodiment 5, get 11 kilograms of yellow prussiate of potash, 12 kilograms in potassium hydroxide, 19 kilograms in salt of wormwood, 30 kilograms in urea, after first yellow prussiate of potash heating being reached molten state, add again potassium hydroxide, saleratus, urea and comprehensively be heated to 600-1000 ℃, make material reach molten state after, directly be cooled to normal temperature or place mould, be cooled to normal temperature, the demoulding obtains the mineral dressing additive of block gold trioxide, silver suboxide and cupric oxide.
Embodiment 6, get 12 kilograms of yellow prussiate of potash, 10 kilograms in sodium hydroxide, 15 kilograms in bicarbonate of ammonia, 15 kilograms in urea, after first yellow prussiate of potash heating being reached molten state, add again sodium hydroxide, bicarbonate of ammonia, urea and comprehensively be heated to 600-1000 ℃, make material reach molten state after, directly be cooled to normal temperature or place mould, be cooled to normal temperature, the demoulding obtains the mineral dressing additive of block gold trioxide, silver suboxide and cupric oxide.
Use embodiment 1
Get 20 tons of certain Oxidized Gold Ores that contain gold 4 grams/ton, add entry and lime after the pulverizing and stir, add again the present invention's 1500 gram mineral dressing additives and soaked 15 hours, then with the liquid activated carbon adsorption that leaches, obtain 60 through roasting, after refining and restrain gold.
Use embodiment 2
Get the ore deposit silver suboxide ore of 20 tons of argentiferous, 50 grams/ton, add the present invention's 1500 gram gold and silver mineral dressing additives after pulverizing, the gold and silver mineral dressing additive adds 200 kilograms of dissolvings of water in advance, mix with breeze, lime, soaked 8 hours, and then reclaimed by ordinary method, obtain 800 gram argents.
Use embodiment 3
Get 20 tons of breezes that contain gold 3 grams/ton, the breeze of argentiferous 30 grams/ton, add the present invention's 1500 gram gold and silver mineral dressing additives, the gold and silver mineral dressing additive adds 200 kilograms of dissolvings of water in advance, mix with breeze, lime, soaked 12 hours, and then reclaimed by ordinary method, obtain 46 gram metallic gold, 500 gram argents.
Comprehensive technical indexes of the present invention and performance:
Claims (4)
1. the preparation method of nuisanceless mineral dressing additive, it is characterized in that: its raw material consists of:
Highly basic 8～15 weight parts;
Carbonate 4～16 weight parts;
Urea 12～30 weight parts;
Yellow prussiate of potash 6～22 weight parts;
Described highly basic is sodium hydroxide or potassium hydroxide;
Described carbonate is yellow soda ash, sodium bicarbonate, salt of wormwood or bicarbonate of ammonia;
Preparation process is: highly basic, carbonate, urea and yellow prussiate of potash are heated to 600-1000 ℃, make material reach molten state after, kept 1-2 hour, directly be cooled to normal temperature or place mould, be cooled to normal temperature, the demoulding obtains the mineral dressing additive product.
2. the using method of the prepared nuisanceless mineral dressing additive of the method for claim 1, it is characterized in that: with the additive water dissolution, the doses according to ore 50 grams-250 grams per ton add in the breeze and soak, and extraction time is 5-20 hour.
3. the using method of the prepared nuisanceless mineral dressing additive of the method for claim 1, it is characterized in that: will add mineral dressing additive behind the gold, silver and bronze ore grinding, ore per ton adds mineral dressing additive 50 grams-250 grams, ore per ton adds lime 20-30 kilogram, the per kilogram mineral dressing additive adds 200 kilograms of dissolvings of water in advance, mix with breeze, lime, the peak period of ore extraction time is 5-12 hour, then reclaims gold, silver and bronze by ordinary method.
4. the prepared nuisanceless mineral dressing additive of the method for claim 1 is in the application of extracting the gold, silver and bronze connection metal from certain Oxidized Gold Ore, silver suboxide ore and cupric oxide ore.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010589648 CN102121067B (en) | 2010-12-15 | 2010-12-15 | Nuisanceless oredressing additive as well as preparation method and application thereof |
| PCT/CN2011/002086 WO2012079283A1 (en) | 2010-12-15 | 2011-12-14 | Mineral-dressing agent for noble metal, preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010589648 CN102121067B (en) | 2010-12-15 | 2010-12-15 | Nuisanceless oredressing additive as well as preparation method and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102121067A CN102121067A (en) | 2011-07-13 |
| CN102121067B true CN102121067B (en) | 2013-09-18 |
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| CN 201010589648 Active CN102121067B (en) | 2010-12-15 | 2010-12-15 | Nuisanceless oredressing additive as well as preparation method and application thereof |
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| WO (1) | WO2012079283A1 (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121067B (en) * | 2010-12-15 | 2013-09-18 | 广西富皇矿业有限公司 | Nuisanceless oredressing additive as well as preparation method and application thereof |
| CN102534204B (en) * | 2012-03-06 | 2014-11-05 | 昆明理工大学 | Thiosulfate gold extraction method taking Fe (III) cyanide salts as oxidants |
| CN103060577A (en) * | 2013-01-22 | 2013-04-24 | 熊宝琳 | Environmentally-friendly gold beneficiation agent and production method thereof |
| CN104250693B (en) * | 2013-06-26 | 2015-10-21 | 左良才 | A kind of environment-friendly type precious metal dressing agent |
| CN103290232A (en) * | 2013-06-27 | 2013-09-11 | 成都理工大学 | Method for extracting gold from auriferous ores through potassium ferricyanide |
| CN103409644B (en) * | 2013-09-05 | 2015-11-04 | 云南科力新材料有限公司 | A kind of beneficiation reagent, synthetic method and generation waste gas method of comprehensive utilization |
| CN103464305B (en) * | 2013-09-06 | 2015-07-15 | 广西鑫开力科技有限公司 | Noble metals beneficiation agent and preparation method and application thereof |
| CN103695644A (en) * | 2013-12-13 | 2014-04-02 | 李敬坤 | Gold and silver leaching agent prepared from cyanate and method for recovering gold and silver by using leaching agent |
| CN103937986B (en) * | 2014-01-23 | 2016-08-24 | 柯柏友 | A kind of environment-friendly type noble metal selects the preparation method of agent |
| CN103805792B (en) * | 2014-02-25 | 2015-04-22 | 黄奇向 | Special gold dissolving agent for gold ore |
| CN103981374B (en) * | 2014-05-19 | 2015-11-18 | 中国科学院兰州化学物理研究所 | A kind of environmentally friendly cyanate soaks the synthetic method of golden agent |
| CN104060090A (en) * | 2014-06-30 | 2014-09-24 | 高文玉 | Compound leaching agent and preparation method thereof |
| CN105032622B (en) * | 2015-09-04 | 2017-07-04 | 长春黄金研究院 | A kind of two sections of synthetic methods of beneficiation reagent |
| CN105463203B (en) * | 2015-12-10 | 2019-08-30 | 广西森合高新科技股份有限公司 | A kind of gold mine low toxicity, efficient ore dressing auxiliary agent and preparation method thereof |
| MX377620B (en) * | 2015-12-14 | 2025-03-07 | Univ De Guadalajara | SOLUTION FOR LEACHING PRECIOUS METALS |
| CN105441676A (en) * | 2016-01-25 | 2016-03-30 | 甘肃鑫合化工科技有限责任公司 | Environment-friendly mineral separation agent and preparation method |
| CN106498159B (en) * | 2016-10-24 | 2018-07-03 | 黄奇向 | A kind of gold, silver and bronze mineral dressing additive and its production method and application method |
| CN109652644B (en) * | 2019-01-07 | 2020-09-29 | 山东联盟磷复肥有限公司 | Gold leaching agent for gold-containing tailings and preparation method thereof |
| CN112522523A (en) * | 2020-11-04 | 2021-03-19 | 陆云骏 | Gold and silver beneficiation agent, preparation method and application thereof |
| CN114686694B (en) * | 2022-03-30 | 2023-06-09 | 云南大学 | Environment-friendly gold leaching method for carbon-containing sulfur-arsenic gold ore |
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| NZ237011A (en) * | 1990-02-23 | 1992-06-25 | Cra Services | Extraction and recovery of gold by treatment with an acidic lixiviant solution |
| CN102166545B (en) * | 2010-11-22 | 2012-08-08 | 阙明 | Mineral dressing additive for gold mine and preparation method thereof |
| CN102121067B (en) * | 2010-12-15 | 2013-09-18 | 广西富皇矿业有限公司 | Nuisanceless oredressing additive as well as preparation method and application thereof |
| CN102321807B (en) * | 2011-07-13 | 2015-07-29 | 广西富皇矿业有限公司 | The production of environment-friendly type precious metal dressing agent and using method |
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2010
- 2010-12-15 CN CN 201010589648 patent/CN102121067B/en active Active
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- 2011-12-14 WO PCT/CN2011/002086 patent/WO2012079283A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101332447A (en) * | 2008-08-06 | 2008-12-31 | 紫金矿业集团股份有限公司 | Mineral separation process capable of increasing gold recovery in gold tailings |
| CN101363081A (en) * | 2008-10-09 | 2009-02-11 | 吉林大学 | Non-toxic gold extraction method from gold-bearing tailings |
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| WO2012079283A1 (en) | 2012-06-21 |
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