CN107058748B - A kind of method for recycling gold and silver in high antimony aqua regia residue - Google Patents

A kind of method for recycling gold and silver in high antimony aqua regia residue Download PDF

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CN107058748B
CN107058748B CN201710434208.8A CN201710434208A CN107058748B CN 107058748 B CN107058748 B CN 107058748B CN 201710434208 A CN201710434208 A CN 201710434208A CN 107058748 B CN107058748 B CN 107058748B
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gold
silver
flotation
prepare
aqua regia
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CN107058748A (en
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王志强
张培生
孙振
李胜春
王福江
吕顺
吕顺一
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Yantai Kingau Environmental Technology Co Ltd
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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
    • C22B7/006—Wet processes
    • 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
    • B03D1/004—Organic compounds
    • B03D1/012—Organic compounds containing sulfur
    • 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
    • C22B11/042—Recovery of noble metals from waste materials
    • 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
    • B03D2203/02—Ores
    • B03D2203/025—Precious metal ores
    • 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)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The present invention relates to a kind of methods for recycling gold and silver in high antimony aqua regia residue, high antimony aqua regia residue is first put into slurrying in titanium reaction kettle, after rising to certain temperature, nitre medicament is caught up in addition, zinc powder is added at a certain temperature to gold and silver into line replacement, ore pulp after being replaced is drained into anti-corrosion tank diameter, addition floating agent carries out flotation to gold and silver, and conventional silver smelting flow is carried out after the filtered drying of flotation concentrate.Present invention process is simple, at low cost.

Description

A kind of method for recycling gold and silver in high antimony aqua regia residue
Technical field
The present invention relates to a kind of methods for recycling gold and silver in high antimony aqua regia residue.
Background technology
The fired rear antimony containing antimony gold concentrate is into follow-up cyaniding workshop section in the form of antimony oxide, and partial oxidation antimony is by alkali and cyanogen Enter after changing sodium dissolving through zinc dust precipitation in gold mud.The gold mud generates a large amount of high antimony aqua regia residues, aqua regia residue after chloroazotic acid technique In need to recycle containing high-grade gold and silver, because of the high extremely difficult filtering of antimony aqua regia residue, so the method that washing can not be used to filter carry out Recycling, conventional method can only recycle gold and silver by pyrogenic process, and not only ingredient is expensive, long time period, and complex procedures are worked Intensity is big.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of method for recycling gold and silver in high antimony aqua regia residue, the present invention By the gold and silver in high antimony aqua regia residue by being effectively enriched with after reducing flotation, reduce the processing of follow-up pyrogenic process smelting system Amount effectively raises the treatment effeciency of the aqua regia residue.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：
1）Prepare ore pulp：High antimony aqua regia residue is put into titanium reaction kettle and adds in the mass ratio of water, high antimony aqua regia residue and water For 15~30:100, it is 1~2 to add in hydrochloric acid tune pH, is passed through steam to slurry temperature and rises to 85 DEG C, addition catches up with nitre medicament to ore pulp There is no bubbles on surface to emerge, and obtains ore pulp；
2）Prepare mixing slurry：Zinc powder is added in ore pulp, is stopped when oxidation of ore pulp reduction potential is down to 50~100mv Zinc powder is added, is 80~85 DEG C in temperature, under the conditions of 200~300r/min of rotating speed, reacts 0.5~1h, obtain mixing slurry；
3）Prepare ore flotation and flotation tailing：Mixing slurry is drained into anti-corrosion tank diameter, addition floating agent floats gold and silver Choosing, obtains ore flotation and flotation tailing；Flotation tailing by peristaltic pump drain into outdoor drying pond carry out drying air-dry；
4）Prepare flotation concentrate：Ore flotation is filtered, obtains flotation concentrate slag and filtrate, flotation concentrate slag after drying, Obtain flotation concentrate；
5）Prepare gold and silver：Flotation concentrate is refined using nitric acid chloroazotic acid method, obtains finished product gold and silver；
The flotation temperature is 50~60 DEG C, is divided into one roughing and scans twice, follows the steps below：
Roughing：Butyl xanthate 600g/t, butylamine black powder 200g/t are added in into mixing slurry, stirs 2 minutes, scrapes bubble 6~10 Minute；Once purging selection：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, stirs 1 minute, scrapes bubble 3~5 Minute；It is secondary to scan：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, stirs 1 minute, scrapes bubble 3~5 Minute；
Nitric acid chloroazotic acid method refines flotation concentrate, follows the steps below：
A）Prepare fused materials：By flotation concentrate, sodium carbonate and borax in mass ratio 1:1~1.5:After 0.5~1 mixing, It puts into intermediate frequency furnace, is heated to 1100~1150 DEG C, material in stove is made to be in molten condition, obtains fused materials；
B gold and silver gold containing material and metallurgical slag containing antimony) are prepared：Fused materials are poured into container and are cooled to room temperature, separation cooling Fused materials, obtain gold and silver gold containing material and metallurgical slag containing antimony；
C）Prepare finished product gold and finished product silver：Gold and silver gold containing material is smelted using nitric acid chloroazotic acid method, obtain finished product gold and Finished product silver.
Step 1）It is described that catch up with nitre medicament be urea.
Step 5）The flotation is completed in a flotation cell, when mineral pulp level deficiency in flotation cell, water is added to supplement.
Step B) container is conical vessel；Gold and silver gold containing material and the mode of metallurgical slag containing antimony is separated to impact for physics.
The present invention has following advantageous effects：
1st, your gold in aqua regia residue made for the high antimony aqua regia residue in refining plant using the method for flotation after first reducing by the present invention Category is efficiently separated with antimony oxide slag, and more than 90%, gold and silver concentration ratio is the rate of recovery of gold and silver flotation at 10 times or more The pyrometallurgical smelting of follow-up gold and silver creates favorable conditions.The industrial equipment that the technique uses is simple, capital equipment be only reaction kettle with Flotation device, investment cost is low, and device structure is simple, operates steadily, is adaptable, and the processing for effectively reducing high antimony aqua regia residue is difficult Degree, improves work task efficiency, reduces labor intensity.
2nd, the present invention adds in urea to catch up with nitre agent, it is therefore intended that passes through CO (NH2)2+HNO3=CO(NH2)2·HNO3(nitric acid Urea), urea nitrate is indissoluble substance, it is therefore an objective to nitric acid extra in ore pulp is eliminated, makes zinc dust precipitation reaction that can be smoothed out, and Determine to catch up with the addition of nitre agent by the output of bubble, patent CN1043787C catches up with nitre agent urea although disclosing, not really Surely the determination method of the addition of nitre agent is caught up with, hence it is evident that difference and the present invention.
When the 3rd, adding in zinc powder, the accurate assurance of gold and silver reducing degree in ore pulp can be achieved by controlling pulp potential, prevent Only zinc powder addition deficiency cause gold and silver reduction be not thorough or excessive addition caused by cost increase.
4th, the present invention scans the purification realized to high antimony aqua regia residue, simple process and low cost twice by one roughing.
Specific embodiment
Embodiment 1
1）Prepare ore pulp：High antimony aqua regia residue is put into titanium reaction kettle and adds in the mass ratio of water, high antimony aqua regia residue and water For 20:100, it is 1.5 to add in hydrochloric acid tune pH, is passed through steam to slurry temperature and rises to 85 DEG C, adds in urea to ore pulp surface no longer There is bubble to emerge, obtain ore pulp；
2）Prepare mixing slurry：Zinc powder is added in ore pulp, stops addition when oxidation of ore pulp reduction potential is down to 80mv Zinc powder is 85 DEG C in temperature, under the conditions of rotating speed 200r/min, reacts 1h, obtain mixing slurry；
3）Prepare ore flotation and flotation tailing：Mixing slurry is drained into anti-corrosion tank diameter, addition floating agent floats gold and silver Choosing, obtains ore flotation and flotation tailing；Flotation tailing by peristaltic pump drain into outdoor drying pond carry out drying air-dry；
4）Prepare flotation concentrate：Ore flotation is filtered, obtains flotation concentrate slag and filtrate, flotation concentrate slag after drying, Obtain flotation concentrate；
5）Prepare gold and silver：Flotation concentrate is refined using nitric acid chloroazotic acid method, obtains finished product gold and silver；
The flotation temperature is 55 DEG C, is divided into one roughing and scans twice, follows the steps below：
Roughing：Butyl xanthate 600g/t, butylamine black powder 200g/t are added in into mixing slurry, is stirred 2 minutes, scrapes bubble 9 minutes； Once purging selection：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, is stirred 1 minute, scrapes bubble 5 minutes；It is secondary It scans：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, is stirred 1 minute, scrapes bubble 3 minutes；
Nitric acid chloroazotic acid method refines flotation concentrate, follows the steps below：
A）Prepare fused materials：By flotation concentrate, sodium carbonate and borax in mass ratio 1:1.2:After 0.8 mixing, put into In intermediate frequency furnace, 1100 DEG C are heated to, material in stove is made to be in molten condition, obtains fused materials；
B gold and silver gold containing material and metallurgical slag containing antimony) are prepared：Fused materials are poured into conical vessel and are cooled to room temperature, physics The fused materials of separation cooling are beaten, obtain gold and silver gold containing material and metallurgical slag containing antimony；
C）Prepare finished product gold and finished product silver：Gold and silver gold containing material is smelted using nitric acid chloroazotic acid method, obtain finished product gold and Finished product silver.
Embodiment 2
1）Prepare ore pulp：High antimony aqua regia residue is put into titanium reaction kettle and adds in the mass ratio of water, high antimony aqua regia residue and water For 18:100, it is 1 to add in hydrochloric acid tune pH, is passed through steam to slurry temperature and rises to 85 DEG C, add in urea to ore pulp surface there is no Bubble is emerged, and obtains ore pulp；
2）Prepare mixing slurry：Zinc powder is added in ore pulp, stops addition when oxidation of ore pulp reduction potential is down to 70mv Zinc powder is 85 DEG C in temperature, under the conditions of rotating speed 260r/min, reacts 40min, obtain mixing slurry；
3）Prepare ore flotation and flotation tailing：Mixing slurry is drained into anti-corrosion tank diameter, addition floating agent floats gold and silver Choosing, obtains ore flotation and flotation tailing；Flotation tailing by peristaltic pump drain into outdoor drying pond carry out drying air-dry；
4）Prepare flotation concentrate：Ore flotation is filtered, obtains flotation concentrate slag and filtrate, flotation concentrate slag after drying, Obtain flotation concentrate；
5）Prepare gold and silver：Flotation concentrate is refined using nitric acid chloroazotic acid method, obtains finished product gold and silver；
The flotation temperature is 55 DEG C, is divided into one roughing and scans twice, follows the steps below：
Roughing：Butyl xanthate 600g/t, butylamine black powder 200g/t are added in into mixing slurry, is stirred 2 minutes, scrapes 10 points of bubble Clock；Once purging selection：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, is stirred 1 minute, scrapes bubble 3 minutes； It is secondary to scan：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, is stirred 1 minute, scrapes bubble 4 minutes；
Nitric acid chloroazotic acid method refines flotation concentrate, follows the steps below：
A）Prepare fused materials：By flotation concentrate, sodium carbonate and borax in mass ratio 1:1.4:After 0.6 mixing, put into In intermediate frequency furnace, 1105 DEG C are heated to, material in stove is made to be in molten condition, obtains fused materials；
B gold and silver gold containing material and metallurgical slag containing antimony) are prepared：Fused materials are poured into conical vessel and are cooled to room temperature, physics The fused materials of separation cooling are beaten, obtain gold and silver gold containing material and metallurgical slag containing antimony；
C）Prepare finished product gold and finished product silver：Gold and silver gold containing material is smelted using nitric acid chloroazotic acid method, obtain finished product gold and Finished product silver.
Embodiment 3
1）Prepare ore pulp：High antimony aqua regia residue is put into titanium reaction kettle and adds in the mass ratio of water, high antimony aqua regia residue and water For 20:100, it is 2.0 to add in hydrochloric acid tune pH, is passed through steam to slurry temperature and rises to 85 DEG C, adds in urea to ore pulp surface no longer There is bubble to emerge, obtain ore pulp；
2）Prepare mixing slurry：Zinc powder is added in ore pulp, stops addition when oxidation of ore pulp reduction potential is down to 90mv Zinc powder is 85 DEG C in temperature, under the conditions of rotating speed 300r/min, reacts 1h, obtain mixing slurry；
3）Prepare ore flotation and flotation tailing：Mixing slurry is drained into anti-corrosion tank diameter, addition floating agent floats gold and silver Choosing, obtains ore flotation and flotation tailing；Flotation tailing by peristaltic pump drain into outdoor drying pond carry out drying air-dry；
4）Prepare flotation concentrate：Ore flotation is filtered, obtains flotation concentrate slag and filtrate, flotation concentrate slag after drying, Obtain flotation concentrate；
5）Prepare gold and silver：Flotation concentrate is refined using nitric acid chloroazotic acid method, obtains finished product gold and silver；
The flotation temperature is 52 DEG C, is divided into one roughing and scans twice, follows the steps below：
Roughing：Butyl xanthate 600g/t, butylamine black powder 200g/t are added in into mixing slurry, is stirred 2 minutes, scrapes bubble 7 minutes； Once purging selection：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, is stirred 1 minute, scrapes bubble 5 minutes；It is secondary It scans：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, is stirred 1 minute, scrapes bubble 3 minutes；
Nitric acid chloroazotic acid method refines flotation concentrate, follows the steps below：
A）Prepare fused materials：By flotation concentrate, sodium carbonate and borax in mass ratio 1:1.4:After 0.9 mixing, put into In intermediate frequency furnace, 1100 DEG C are heated to, material in stove is made to be in molten condition, obtains fused materials；
B gold and silver gold containing material and metallurgical slag containing antimony) are prepared：Fused materials are poured into conical vessel and are cooled to room temperature, physics The fused materials of separation cooling are beaten, obtain gold and silver gold containing material and metallurgical slag containing antimony；
C）Prepare finished product gold and finished product silver：Gold and silver gold containing material is smelted using nitric acid chloroazotic acid method, obtain finished product gold and Finished product silver.
Embodiment 4
1）Prepare ore pulp：High antimony aqua regia residue is put into titanium reaction kettle and adds in the mass ratio of water, high antimony aqua regia residue and water For 25:100, it is 1.8 to add in hydrochloric acid tune pH, is passed through steam to slurry temperature and rises to 85 DEG C, adds in urea to ore pulp surface no longer There is bubble to emerge, obtain ore pulp；
2）Prepare mixing slurry：Zinc powder is added in ore pulp, stops addition when oxidation of ore pulp reduction potential is down to 70mv Zinc powder is 85 DEG C in temperature, under the conditions of rotating speed 220r/min, reacts 1h, obtain mixing slurry；
3）Prepare ore flotation and flotation tailing：Mixing slurry is drained into anti-corrosion tank diameter, addition floating agent floats gold and silver Choosing, obtains ore flotation and flotation tailing；Flotation tailing by peristaltic pump drain into outdoor drying pond carry out drying air-dry；
4）Prepare flotation concentrate：Ore flotation is filtered, obtains flotation concentrate slag and filtrate, flotation concentrate slag after drying, Obtain flotation concentrate；
5）Prepare gold and silver：Flotation concentrate is refined using nitric acid chloroazotic acid method, obtains finished product gold and silver；
The flotation temperature is 60 DEG C, is divided into one roughing and scans twice, follows the steps below：
Roughing：Butyl xanthate 600g/t, butylamine black powder 200g/t are added in into mixing slurry, is stirred 2 minutes, scrapes bubble 7 minutes； Once purging selection：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, is stirred 1 minute, scrapes bubble 4 minutes；It is secondary It scans：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, is stirred 1 minute, scrapes bubble 4 minutes；
Nitric acid chloroazotic acid method refines flotation concentrate, follows the steps below：
A）Prepare fused materials：By flotation concentrate, sodium carbonate and borax in mass ratio 1:1.5:1.0 it after mixing, puts into In intermediate frequency furnace, 1100 DEG C are heated to, material in stove is made to be in molten condition, obtains fused materials；
B gold and silver gold containing material and metallurgical slag containing antimony) are prepared：Fused materials are poured into conical vessel and are cooled to room temperature, physics The fused materials of separation cooling are beaten, obtain gold and silver gold containing material and metallurgical slag containing antimony；
C）Prepare finished product gold and finished product silver：Gold and silver gold containing material is smelted using nitric acid chloroazotic acid method, obtain finished product gold and Finished product silver.
It is further illustrated the present invention with reference to specific example.
1.1 test site：Yantai gold is difficult to understand to smelt Co., Ltd.
1.2 experiment detections：High antimony aqua regia residue weight, gold grade and silver-colored grade and tailing weight, gold grade and silver-colored grade.
1.3 material to be tested：The present invention, experiment 1（After nitre medicament is caught up with to add in, ore pulp surface also has bubble to emit out, other Production method is consistent with the present invention）, experiment 2（After nitre medicament is caught up with to add in, ore pulp surface bubble-free adds after emerging and accounts for ore deposit Slag amount 1% is caught up with outside nitre agent, and other production methods are consistent with the present invention）With experiment 3（Except be additionally added in flotation it is selected in addition to, Its production method is consistent with the present invention）.
This experiment is consistent with other operations in addition to processing difference except testing.
2 results and analysis in table 1
Table 1
Compared by table 1 by the present invention, experiment 1 and 2 data of experiment and can be seen that the present invention catches up with nitre agent on the basis of bubble, it can Precisely to determine to catch up with the addition of nitre agent；Compared by the present invention and 3 data of experiment it can be seen that adding in selected to gold and silver of the present invention The rate of recovery influences very little, therefore present invention process is most reasonable.

Claims (4)

  1. A kind of 1. method for recycling gold and silver in high antimony aqua regia residue, it is characterised in that follow the steps below：
    1）Prepare ore pulp：High antimony aqua regia residue is put into titanium reaction kettle and adds in water, the mass ratio of high antimony aqua regia residue and water is 15 ~30:100, it is 1~2 to add in hydrochloric acid tune pH, is passed through steam to slurry temperature and rises to 85 DEG C, addition catches up with nitre medicament to ore pulp surface There is no bubbles to emerge, and obtains ore pulp；
    2）Prepare mixing slurry：Zinc powder is added in ore pulp, stops addition when oxidation of ore pulp reduction potential is down to 50~100mv Zinc powder is 80~85 DEG C in temperature, under the conditions of 200~300r/min of rotating speed, reacts 0.5~1h, obtain mixing slurry；
    3）Prepare ore flotation and flotation tailing：Mixing slurry is drained into anti-corrosion tank diameter, addition floating agent obtains gold and silver flotation To ore flotation and flotation tailing；Flotation tailing by peristaltic pump drain into outdoor drying pond carry out drying air-dry；
    4）Prepare flotation concentrate：Ore flotation is filtered, obtains flotation concentrate slag and filtrate, and flotation concentrate slag after drying, obtains Flotation concentrate；
    5）Prepare gold and silver：Flotation concentrate is refined using nitric acid chloroazotic acid method, obtains finished product gold and silver；
    The flotation temperature is 50~60 DEG C, is divided into one roughing and scans twice, follows the steps below：
    Roughing：Butyl xanthate 600g/t, butylamine black powder 200g/t are added in into mixing slurry, stirs 2 minutes, scrapes bubble 6~10 minutes； Once purging selection：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, stirs 1 minute, scrapes bubble 3~5 minutes； It is secondary to scan：Butyl xanthate 300g/t, butylamine black powder 100g/t are added in into mixing slurry, stirs 1 minute, scrapes bubble 3~5 minutes；
    Nitric acid chloroazotic acid method refines flotation concentrate, follows the steps below：
    A）Prepare fused materials：By flotation concentrate, sodium carbonate and borax in mass ratio 1:1~1.5:After 0.5~1 mixing, input Into intermediate frequency furnace, 1100~1150 DEG C are heated to, material in stove is made to be in molten condition, obtains fused materials；
    B gold and silver gold containing material and metallurgical slag containing antimony) are prepared：Fused materials are poured into container and are cooled to room temperature, separate the molten of cooling Melt material, obtain gold and silver gold containing material and metallurgical slag containing antimony；
    C）Prepare finished product gold and finished product silver：Gold and silver gold containing material is smelted using nitric acid chloroazotic acid method, obtains finished product gold and finished product Silver.
  2. 2. the method for gold and silver in high antimony aqua regia residue is recycled as described in claim 1, it is characterised in that：Step 1）It is described to catch up with nitre medicine Agent is urea.
  3. 3. the method for gold and silver in high antimony aqua regia residue is recycled as described in claim 1, it is characterised in that：Step 3）The flotation exists It is completed in one flotation cell, when mineral pulp level deficiency in flotation cell, water is added to supplement.
  4. 4. the method for gold and silver in high antimony aqua regia residue is recycled as described in claim 1, it is characterised in that：Step B) container is Conical vessel；Gold and silver gold containing material and the mode of metallurgical slag containing antimony is separated to impact for physics.
CN201710434208.8A 2017-06-09 2017-06-09 A kind of method for recycling gold and silver in high antimony aqua regia residue Active CN107058748B (en)

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CN113337705A (en) * 2021-06-03 2021-09-03 许金刚 Additive for reducing metal grade in flotation tailings of copper smelting slag and production process thereof

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CN1043787C (en) * 1996-11-21 1999-06-23 招远市北截金矿 Technical process for extracting valuable metal from gold slime
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
CN101748286A (en) * 2010-01-25 2010-06-23 山东金洲矿业集团有限公司 Method for recovering gold and silver from aqua regia residue
CN105112681B (en) * 2015-09-07 2017-05-10 山东恒邦冶炼股份有限公司 Method for extracting gold platinum and palladium from platinum and palladium concentrate
CN106540800B (en) * 2016-10-20 2018-12-14 昆明理工大学 A method of gold and microfine antimony mineral in recycling flotation tailing containing Sb-Au ore

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