CN102357406A - Beneficiation method for mud oxidized lead-zinc ores - Google Patents
Beneficiation method for mud oxidized lead-zinc ores Download PDFInfo
- Publication number
- CN102357406A CN102357406A CN2011103435143A CN201110343514A CN102357406A CN 102357406 A CN102357406 A CN 102357406A CN 2011103435143 A CN2011103435143 A CN 2011103435143A CN 201110343514 A CN201110343514 A CN 201110343514A CN 102357406 A CN102357406 A CN 102357406A
- Authority
- CN
- China
- Prior art keywords
- ore
- grade
- zinc
- pulp
- minutes
- 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
Abstract
The invention provides a beneficiation method for mud oxidized lead-zinc ores. The method comprises the following steps of: performing wet feeding of mud oxidized lead-zinc raw ores and sieving, mixing ore pulp of which the particle grade is -0.1mm, and ore pulp of which the particle grade is -0.1-+0.04 mm, performing oxidized lead-zinc mixing and separation, performing lead oxide floatation, performing first and second grade group zinc oxide floatation, mixing the obtained ore pulp and ore pulp of which a raw ore zinc grade is 3 to 6 percent and the particle grade is -0.04mm and performing third grade group zinc oxide floatation, and mixing the obtained ore pulp and flocculated and dehydrated ore pulp of which a raw ore zinc grade is 6 to 8 percent and the particle grade is -0.04mm to obtain zinc oxide comprehensive concentrate. In the method, the metal recovery rate is high, ore feeding, crushing and grinding processes are smooth, power consumption and energy consumption of a mill can be effectively reduced, beneficiation cost can be reduced, and the grade of the comprehensive concentrate reaches 23 to 26 percent; and the lead content in the comprehensive tailing pulp is 0.2 to 0.4 percent, and the zinc content in the comprehensive tailing pulp is 1.26 to 1.58 percent.
Description
Technical field
The present invention relates to the ore dressing of shale lead-zinc improve metal recovery rate and give, broken, the unobstructed method that cuts down the consumption of energy of grinding process flow process, belong to the non-ferrous metal ore technical field.
Background technology
Though the plumbous zinc ore of China produces aboundresources, the tenor of most of mineral resources is lower, and exists ore character complicated, the symbiosis of many metals, characteristics such as grain is fine.The plumbous zinc ore reserves in Lan Ping Feng huangshan Mountain, Yunnan are big, be that the important plumbous zinc ore of China produces one of resources base, but these plumbous zinc ore oxygenation efficiency are high; Oxide ore is partly near, especially after years mining, has piled up a large amount of low-grade lead-zincs; Not only cause resource to overstock, waste; Permanent wind, Exposure to Sunlight, drench with rain or the like, can cause the especially pollution of water of environment, and become the latency that causes natural calamities such as mud-rock flow.Therefore, vigorously advocating the continuable recycling economy of development in country, carry out under the overall background of comprehensive utilization of resources, how to extract to greatest extent and utilize low-grade lead-zinc, is the major issue that needs to be resolved hurrily.
The low-grade lead-zinc in Lan Ping Feng huangshan Mountain, Yunnan belongs to the high mineral of iron content and shale, can give in ore deposit, muck, the grinding flowsheet in routine, cause inhomogeneous to the ore deposit, be prone to a difficult problem such as obstruction, especially in rainy season even can't carry out ore-dressing practice.In addition, it is heavy that low-grade lead-zinc contains mud, in the raw ore microfine promptly-the ore deposit proportion of 0.04mm is 8～12%; When adopting conventional grinding process, ore grinding will produce 20～30% microfine (0.04mm) mineral to account for 80% o'clock of mineral granularity-0.074mm; Under this mineral argillization serious situation, adopt conventional zinc floatation process, can cause ore dressing power consumption, energy consumption big; Metal recovery rate is extremely low, the bad result that beneficiation cost is very high.
Adopt new ore-dressing technique technology; Improve the rate of recovery of shale lead-zinc; Particularly the rate of recovery of the zinc oxide ore of irony mud lets the low-grade lead-zinc of being sunk into sleep in intermountain obtain development and use, is the unique channel of plumbous zinc resource in the high efficiente callback mill tailings.
Low-grade lead-zinc technique of preparing of the prior art, great majority only are applicable to the zinc oxide ore dressing of carbonate gangue.Perhaps just be directed against the technology of beneficiation reagent and this segment process flow process of single zinc oxide; Solve the ore dressing problem of low-grade shale lead-zinc; Remain the world-famous puzzle of ore dressing circle up to now; Must in the giving of ore dressing, broken, mill, floating a complete set of technological process, work hard, systematically go to solve the difficult point that appears in each mineral processing circuit, could thoroughly solve this global problem.
Summary of the invention
The ore dressing power consumption is big in order to overcome, the low inferior problem of metal recovery rate, and the present invention provides a kind of shale low-grade lead-zinc beneficiation method, improving metal recovery rate, and make to, broken, the grinding process flow process is unobstructed, reduces the ore dressing energy consumption, reduces beneficiation cost.
Pulp density % according to the invention is mass concentration.
The present invention realizes through following technical proposal: a kind of beneficiation method of shale lead-zinc is characterized in that comprising following each step:
A, with shale lead oxide zinc ore crude wet type feed and sieve, on the sieve+ore pulp of 10mm grade carries out ore grinding after fragmentation, grind grading one-tenth-0.1mm grade account for 70 ~ 80%; Under the sieve-ore pulp of 10mm grade obtains through the washup classification :-10mm～+ ore particle of 0.1mm grade; With-0.1mm～+ ore pulp of 0.04mm grade; And-ore pulp of 0.04mm grade, with-10mm～+ ore particle of 0.1mm grade send ore grinding formula preface to continue ore grinding, the ore pulp of right-0.04mm grade; Be divided into according to the head grade difference: raw ore zinc grade be 3～6%-ore pulp of 0.04mm grade, perhaps raw ore zinc grade be 6～8%-ore pulp of 0.04mm grade;
B, with the ore pulp of steps A gained-0.1mm grade and-0.1mm～+ after the ore pulp of 0.04mm grade merged, carry out following vulcanized lead zinc and mix choosing: control pulp density 25%～35% added sodium carbonate 300～500g/ ton raw ore; Copper sulphate 300～400g/ ton raw ore; Butyl xanthate 140～200g/ ton raw ore, butylamine black powder 70～100g/ ton raw ore, terpenic oil 40～50g/ ton raw ore; Stir after 5～7 minutes; Carry out conventional one section selected, one section roughly select, mixed choosing that one section is scanned, wherein selected 2～3 minutes, roughly select 4～5 minutes, scan 3～4 minutes, obtain vulcanized lead zinc bulk concentrate slurry and vulcanized lead zinc and mix and choose ore pulp;
C, step B gained vulcanized lead zinc bulk concentrate slurry is carried out following sorting: the control pulp density is 16～20%, and after in this ore pulp, adding vulcanized sodium 50～100g/ ton raw ore, cyclone classification goes out overflow and sand setting, and mine tailing is gone in overflow; Control sand setting concentration is 45～50%, and control floatation concentration 30 ~ 35% adds sodium carbonate 40～60g/ ton raw ore in sand setting; Zinc sulfate 50～70g/ ton raw ore, sodium thiosulfate 40～60g/ ton raw ore, diethyldithiocarbamate 20～30g/ ton raw ore; Butylamine black powder 20～30g/ ton raw ore, terpenic oil 10～20g/ ton raw ore stirs after 5～7 minutes; Carry out conventional one section selected, one section roughly select, sorting that two sections are scanned, wherein selected 2～3 minutes, roughly select 6～7 minutes, one section and scan 5～6 minutes, two sections and scanned 5～6 minutes; Obtain concentrate of lead sulfide ore, the mine tailing behind the flotation vulcanized lead is a zinc sulfide concentrates;
D, the mixed zinc sulfide obtained in step B is selected for the following oxidation lead flotation pulp: The control pulp concentration of 20 to 30% of sodium carbonate was added to the slurry 300 ~ 400g / t ore, THF 1.5 ~ 2kg / t ore, mercaptobenzothiazole Ping plug azole 10 ~ 20g / t ore, sec-octyl xanthate 100 ~ 150g / t ore, pine oil 40 ~ 60g / t ore, stirring for 12 to 16 minutes after a routine selection, some roughing, a scavenger flotation, which featured 2 to 3 minutes, 6 to 8 minutes roughing, scavenging, 5 to 7 minutes, get lead oxide concentrates, and lead oxide flotation pulp;
E, ore pulp in the flotation of step D gained lead oxide is carried out the flotation of following one-level group zinc oxide: the control pulp density is 18～28%, and in this ore pulp, adds sodium carbonate 600～1000g/ ton raw ore, vulcanized sodium 3～4kg/ ton raw ore; Waterglass 400～700g/ ton raw ore, sodium lignosulfonate or calgon 40～60g/ ton raw ore, zinc oxide collecting agent 250～400g/ ton raw ore; Stir after 6～8 minutes; Carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 2～3 minutes, roughly selected 10～12 minutes; Obtain one-level group zinc oxide concentrate, and ore pulp in the flotation of one-level group;
F, ore pulp in the one-level group flotation of step e is carried out cyclone classification ,-ore pulp of the ore pulp of 0.05mm grade and+0.05mm grade, the ore pulp of-0.05mm grade is a mine tailing; The ore pulp of+0.05mm grade is carried out the flotation of following secondary groups zinc oxide: the control pulp density is 20～30%, and in this ore pulp, adds sodium carbonate 200～300g/ ton raw ore, vulcanized sodium 1.5～2kg/ ton raw ore; Waterglass 200～300g/ ton raw ore, sodium lignosulfonate or calgon 20～30g/ ton raw ore, zinc oxide collecting agent 150～200g/ ton raw ore; Stir after 6～8 minutes; Carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 2～3 minutes, roughly selected 10～12 minutes; Obtain secondary groups zinc oxide flotation concentrate, and ore pulp in the secondary groups flotation;
G, with ore pulp in the secondary groups flotation of step F, carry out cyclone classification ,-ore pulp of 0.063mm grade and+0.063mm grade; The ore pulp of-0.063mm grade is a mine tailing, and+ore pulp of 0.063mm grade through ore grinding to-0.063mm account for 70～80% after, with the raw ore zinc grade of steps A be 3～6%-after the ore pulp of 0.04mm grade mixes; Carry out the flotation of following three grades of group zinc oxide: the control pulp density is 20～30%, and in this ore pulp, adds sodium carbonate 200～300g/ ton raw ore, vulcanized sodium 1.5～2kg/ ton raw ore; Waterglass 200～300g/ ton raw ore, sodium lignosulfonate or calgon 20～30g/ ton raw ore, zinc oxide collecting agent 150～200g/ ton raw ore; Stir after 6～8 minutes; Carry out conventional one section selected, one section roughly select, flotation that one section is scanned, wherein selected 2～3 minutes, roughly selected 10～12 minutes; Scanned 4～5 minutes, and obtained three grades of group zinc oxide flotation concentrates and mine tailing slurry;
H, with the raw ore zinc grade of steps A be 6～8%-after the ore pulp of 0.04mm grade flocculates, dewaters; The ore deposit of must flocculating; Should flocculate after ore deposit and step e, F, G gained one-level group, secondary groups and three grades of group zinc oxide flotation concentrates mix; Obtain the comprehensive concentrate of zinc oxide, this concentrate grade is 23～26%; With step F-mine tailing of 0.05mm grade slurry and step G-the mine tailing slurry of 0.063mm grade mixes, the comprehensive mine tailing that obtains the flotation of lead oxide zinc is starched, and is leaded 0.2～0.4%, contain zinc 1.26～1.58%.
Zinc oxide collecting agent among said step e, F, the G is that commercial DF388 or E5 or mixed amine add the butyl Sodium Aerofloat.
Advantage of the present invention and effect: because in the steps A-raw ore of 10mm grade do not get into crushing system, and crushing is greatly reduced, and effectively reduces broken power consumption; The obstruction of crushing system can not caused through after washing in+10mm grade ore deposit; Again because of before ore grinding, just the ore pulp of qualified grade-0.1mm grade being shunted, the flotation release mesh of ore grinding is required to bring up to again-0.1mm account for 70 ~ 80%, make mill power only for conventional 60 ~ 75%, can reduce investment outlay, can cut down the consumption of energy again; The vulcanized lead zinc of step B mixes choosing can effectively reduce flotation time, improves flotation efficiency; Because the low-grade lead-zinc of shale; The plumbous zinc of Containing Sulfur is very low, thereby separates in the raw ore shale microfine earlier with the inventive method and manage elsewhere, and has taked to reduce the measure of ore grinding argillization; The sludge amount is reduced; So mix roughly selecting, scanning the time of choosing at vulcanized lead zinc, be 60 ~ 70% of routine only also, and only need one-level to scan.The present invention not only metal recovery rate is high, and gives ore deposit, muck, grinding process flow process unobstructed, can effectively reduce grinding machine power consumption, energy consumption, reduces beneficiation cost, makes the grade of comprehensive concentrate reach 23～26%; Leaded 0.2～0.4% in the comprehensive mine tailing slurry, contain zinc 1.26～1.58%.
The specific embodiment
To combine embodiment further to illustrate content of the present invention below, but these instances do not limit protection scope of the present invention.
Embodiment 1
Choose the low-grade lead-zinc of irony mud, its raw ore is leaded 1.68%, oxygenation efficiency 88%; Contain zinc 7.24%, oxygenation efficiency 92%;
A, with shale lead oxide zinc ore crude wet type feed and sieve, on the sieve+ore pulp of 10mm grade carries out ore grinding after fragmentation, grind grading one-tenth-0.1mm grade account for 70%; Under the sieve-ore pulp of 10mm grade obtains through the washup classification :-10mm～+ ore particle of 0.1mm grade; With-0.1mm～+ ore pulp of 0.04mm grade; And-ore pulp of 0.04mm grade; With-10mm～+ ore particle of 0.1mm grade send Grinding procedure to continue ore grinding, should-ore pulp of 0.04mm grade be raw ore zinc grade be 7.24%-ore pulp of 0.04mm grade;
B, with the ore pulp of steps A gained-0.1mm grade and-0.1mm～+ after the ore pulp of 0.04mm grade merged, carry out following vulcanized lead zinc and mix choosing: control pulp density 25% added sodium carbonate 300g/ ton raw ore; Copper sulphate 400g/ ton raw ore; Butyl xanthate 200g/ ton raw ore, butylamine black powder 100g/ ton raw ore, terpenic oil 50g/ ton raw ore; Stir after 7 minutes; Carry out conventional one section selected, one section roughly select, mixed choosing that one section is scanned, wherein selected 2 minutes, roughly select 4 minutes, scan 3 minutes, obtain vulcanized lead zinc bulk concentrate slurry and vulcanized lead zinc and mix and choose ore pulp; The vulcanized lead zinc bulk concentrate is leaded 10.53%, contains zinc 27.48%;
C, step B gained vulcanized lead zinc bulk concentrate slurry is carried out following sorting: the control pulp density is 20%, and after in this ore pulp, adding vulcanized sodium 50g/ ton raw ore, cyclone classification goes out overflow and sand setting, and mine tailing is gone in overflow; Control sand setting concentration is 50%, control floatation concentration 35%, and in sand setting, add sodium carbonate 50g/ ton raw ore, zinc sulfate 70g/ ton raw ore; Sodium thiosulfate 60g/ ton raw ore, diethyldithiocarbamate 20g/ ton raw ore, butylamine black powder 20g/ ton raw ore; Terpenic oil 10g/ ton raw ore stirred after 7 minutes, carry out conventional one section selected, one section roughly select, sorting that two sections are scanned; Wherein selected 3 minutes, roughly select 7 minutes, one section and scan 6 minutes, two sections and scanned 6 minutes, obtain concentrate of lead sulfide ore and zinc sulfide concentrates;
D, zinc sulfide obtained in step B to select the slurry mixture of lead oxide flotation following: Control a pulp density of 20%, and sodium carbonate was added to the slurry 400g / t ore, sulfide 2kg / t ore, mercaptobenzothiazole Ping plug azole 20g / t ore, sec-octyl xanthate 100g / t ore, pine oil 40g / t ore, stirred for 14 minutes after a routine selection, a roughing, a scavenger flotation, which featured two minute roughing 7 minutes, sweep the election six minutes, get lead oxide concentrates, and lead oxide flotation pulp; 41% of lead in concentrates oxide, lead oxide scavenger flotation pulp discharge of lead 0.51%;
E, ore pulp in the flotation of step D gained lead oxide is carried out the flotation of following one-level group zinc oxide: the control pulp density is 20%, and in this ore pulp, adds sodium carbonate 800g/ ton raw ore, vulcanized sodium 4kg/ ton raw ore; Waterglass 700g/ ton raw ore, sodium lignosulfonate 60g/ ton raw ore, commercial DF388 320g/ ton raw ore; Stir after 7 minutes, carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 3 minutes; Roughly selected 12 minutes, and obtained one-level group zinc oxide concentrate, and ore pulp in the flotation of one-level group; Zinc oxide concentrate contains zinc 33.56%;
F, ore pulp in the one-level group flotation of step e is carried out cyclone classification ,-ore pulp of the ore pulp of 0.05mm grade and+0.05mm grade, the ore pulp of-0.05mm grade is a mine tailing; The ore pulp of+0.05mm grade is carried out the flotation of following secondary groups zinc oxide: the control pulp density is 30%, and in this ore pulp, adds sodium carbonate 300g/ ton raw ore, vulcanized sodium 1.5kg/ ton raw ore; Waterglass 300g/ ton raw ore, sodium lignosulfonate 20g/ ton raw ore, commercial DF388 180g/ ton raw ore; Stir after 7 minutes, carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 2 minutes; Roughly selected 10 minutes, and obtained secondary groups zinc oxide flotation concentrate, and ore pulp in the secondary groups flotation; Zinc oxide concentrate contains zinc 28.37%;
G, with ore pulp in the secondary groups flotation of step F, carry out cyclone classification ,-ore pulp of 0.063mm grade and+0.063mm grade; The ore pulp of-0.063mm grade is a mine tailing, and+ore pulp of 0.063mm grade through ore grinding to-0.063mm account for 70% after, carry out the flotation of following three grades of group zinc oxide: the control pulp density is 30%; And in this ore pulp, add sodium carbonate 200g/ ton raw ore, vulcanized sodium 1.5kg/ ton raw ore, waterglass 300g/ ton raw ore; Sodium lignosulfonate 20g/ ton raw ore, commercial DF388 150g/ ton raw ore stirs after 7 minutes; Carry out conventional one section selected, one section roughly select, flotation that one section is scanned, wherein selected 2 minutes, roughly selected 10 minutes; Scanned 5 minutes, and obtained three grades of group zinc oxide flotation concentrates and mine tailing slurry; Zinc oxide concentrate contains zinc 21.83%, and mine tailing contains zinc 0.81%;
H, with the raw ore zinc grade of steps A be 7.24%-after the ore pulp of 0.04mm grade flocculates, dewaters; The ore deposit of must flocculating; Should flocculate after ore deposit and step e, F, G gained one-level group, secondary groups and three grades of group zinc oxide flotation concentrates mix; Obtain the comprehensive concentrate of zinc oxide, this concentrate grade is 23.61%; With step F-mine tailing of 0.05mm grade slurry and step G-the mine tailing slurry of 0.063mm grade mixes, the comprehensive mine tailing that obtains the flotation of lead oxide zinc is starched, and is leaded 0.29%, contain zinc 1.35%.
Embodiment 2
Choose the low-grade lead-zinc of clay matter mud, its raw ore is leaded 2.17%, oxygenation efficiency 85%; Contain zinc 6.97%, oxygenation efficiency 89%;
A, with shale lead oxide zinc ore crude wet type feed and sieve, on the sieve+ore pulp of 10mm grade carries out ore grinding after fragmentation, grind grading one-tenth-0.1mm grade account for 75%; Under the sieve-ore pulp of 10mm grade obtains through the washup classification :-10mm～+ ore particle of 0.1mm grade; With-0.1mm～+ ore pulp of 0.04mm grade; And-ore pulp of 0.04mm grade; With-10mm～+ ore particle of 0.1mm grade send Grinding procedure to continue ore grinding, the ore pulp of said-0.04mm grade be raw ore zinc grade be 6.97%-ore pulp of 0.04mm grade;
B, with the ore pulp of steps A gained-0.1mm grade and-0.1mm～+ after the ore pulp of 0.04mm grade merged, carry out following vulcanized lead zinc and mix choosing: control pulp density 30% added sodium carbonate 400g/ ton raw ore; Copper sulphate 350g/ ton raw ore; Butyl xanthate 160g/ ton raw ore, butylamine black powder 80g/ ton raw ore, terpenic oil 45g/ ton raw ore; Stir after 6 minutes; Carry out conventional one section selected, one section roughly select, mixed choosing that one section is scanned, wherein selected 3 minutes, roughly select 5 minutes, scan 4 minutes, obtain vulcanized lead zinc bulk concentrate slurry and vulcanized lead zinc and mix and choose ore pulp; The vulcanized lead zinc bulk concentrate is leaded 12.51%, contains zinc 23.69%;
C, step B gained vulcanized lead zinc bulk concentrate slurry is carried out following sorting: the control pulp density is 18%, and after in this ore pulp, adding vulcanized sodium 80g/ ton raw ore, cyclone classification goes out overflow and sand setting, and mine tailing is gone in overflow; Control sand setting concentration is 45%, and control floatation concentration 30% adds sodium carbonate 40g/ ton raw ore, zinc sulfate 60g/ ton raw ore in sand setting; Sodium thiosulfate 50g/ ton raw ore, diethyldithiocarbamate 30g/ ton raw ore, butylamine black powder 25g/ ton raw ore; Terpenic oil 15g/ ton raw ore stirred after 6 minutes, carry out conventional one section selected, one section roughly select, sorting that two sections are scanned; Wherein selected 2 minutes, roughly select 6 minutes, one section and scan 5 minutes, two sections and scanned 5 minutes, obtain concentrate of lead sulfide ore and zinc sulfide concentrates;
D, zinc sulfide obtained in step B to select the slurry mixture of lead oxide flotation following: Control a pulp density of 25%, and sodium carbonate was added to the slurry 300g / t ore, sulfide 1.5kg / t ore, mercaptobenzothiazole Ping Cypriot azole 15g / t ore, sec-octyl xanthate 120g / t ore, pine oil 50g / t ore, stirring for 12 minutes, a selection routine, some rougher, a scavenger flotation, which featured 3 minutes, 8 minutes roughing, scavenging 5 minutes to obtain lead oxide concentrates, and lead oxide flotation pulp; 43.26% lead oxide, lead concentrates, lead oxide scavenger flotation pulp discharge of lead 0.65%;
E, ore pulp in the flotation of step D gained lead oxide is carried out the flotation of following one-level group zinc oxide: the control pulp density is 18%, and in this ore pulp, adds sodium carbonate 600g/ ton raw ore, vulcanized sodium 3.5kg/ ton raw ore; Waterglass 500g/ ton raw ore, calgon 50g/ ton raw ore, commercial E5 250g/ ton raw ore; Stir after 8 minutes, carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 2 minutes; Roughly selected 10 minutes, and obtained one-level group zinc oxide concentrate, and ore pulp in the flotation of one-level group; Zinc oxide concentrate contains zinc 32.54%;
F, ore pulp in the one-level group flotation of step e is carried out cyclone classification ,-ore pulp of the ore pulp of 0.05mm grade and+0.05mm grade, the ore pulp of-0.05mm grade is a mine tailing; The ore pulp of+0.05mm grade is carried out the flotation of following secondary groups zinc oxide: the control pulp density is 20%, and in this ore pulp, adds sodium carbonate 250g/ ton raw ore, vulcanized sodium 2kg/ ton raw ore; Waterglass 250g/ ton raw ore, calgon 25g/ ton raw ore, commercial E5 150g/ ton raw ore; Stir after 8 minutes, carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 3 minutes; Roughly selected 12 minutes, and obtained secondary groups zinc oxide flotation concentrate, and ore pulp in the secondary groups flotation; Zinc oxide concentrate contains zinc 26.79%;
G, with ore pulp in the secondary groups flotation of step F, carry out cyclone classification ,-ore pulp of 0.063mm grade and+0.063mm grade; The ore pulp of-0.063mm grade is a mine tailing, and+ore pulp of 0.063mm grade through ore grinding to-0.063mm account for 75% after, carry out the flotation of following three grades of group zinc oxide: the control pulp density is 20%; And in this ore pulp, add sodium carbonate 250g/ ton raw ore, vulcanized sodium 2kg/ ton raw ore, waterglass 200g/ ton raw ore; Calgon 25g/ ton raw ore, commercial E5 180g/ ton raw ore stirs after 8 minutes; Carry out conventional one section selected, one section roughly select, flotation that one section is scanned, wherein selected 3 minutes, roughly selected 12 minutes; Scanned 4 minutes, and obtained three grades of group zinc oxide flotation concentrates and mine tailing slurry;
H, with the raw ore zinc grade of steps A be 6.97%-after the ore pulp of 0.04mm grade flocculates, dewaters; The ore deposit of must flocculating; Should flocculate after ore deposit and step e, F, G gained one-level group, secondary groups and three grades of group zinc oxide flotation concentrates mix; Obtain the comprehensive concentrate of zinc oxide, this concentrate grade is 23.15%; With step F-mine tailing of 0.05mm grade slurry and step G-the mine tailing slurry of 0.063mm grade mixes, the comprehensive mine tailing that obtains the flotation of lead oxide zinc is starched, and is leaded 0.37%, contain zinc 1.42%.
Embodiment 3
Choose the low-grade lead-zinc of carbonate matter mud, raw ore is leaded 1.47%, oxygenation efficiency 83%; Contain zinc 5.35%, oxygenation efficiency 85%;
A, with shale lead oxide zinc ore crude wet type feed and sieve, on the sieve+ore pulp of 10mm grade carries out ore grinding after fragmentation, grind grading one-tenth-0.1mm grade account for 80%; Under the sieve-ore pulp of 10mm grade obtains through the washup classification :-10mm～+ ore particle of 0.1mm grade; With-0.1mm～+ ore pulp of 0.04mm grade; And-ore pulp of 0.04mm grade; With-10mm～+ ore particle of 0.1mm grade send Grinding procedure to continue ore grinding, the ore pulp of said-0.04mm grade be raw ore zinc grade be 5.35%-ore pulp of 0.04mm grade;
B, with the ore pulp of steps A gained-0.1mm grade and-0.1mm～+ after the ore pulp of 0.04mm grade merged, carry out following vulcanized lead zinc and mix choosing: control pulp density 35% added sodium carbonate 500g/ ton raw ore; Copper sulphate 400g/ ton raw ore; Butyl xanthate 140g/ ton raw ore, butylamine black powder 70g/ ton raw ore, terpenic oil 40g/ ton raw ore; Stir after 5 minutes; Carry out conventional one section selected, one section roughly select, mixed choosing that one section is scanned, wherein selected 2 minutes, roughly select 5 minutes, scan 3 minutes, obtain vulcanized lead zinc bulk concentrate slurry and vulcanized lead zinc and mix and choose ore pulp; The vulcanized lead zinc bulk concentrate is leaded 14%, contains zinc 28%;
C, step B gained vulcanized lead zinc bulk concentrate slurry is carried out following sorting: the control pulp density is 16%, and after in this ore pulp, adding vulcanized sodium 100g/ ton raw ore, cyclone classification goes out overflow and sand setting, and mine tailing is gone in overflow; Control sand setting concentration is 48%, and control floatation concentration 33% adds sodium carbonate 60g/ ton raw ore, zinc sulfate 50g/ ton raw ore in sand setting; Sodium thiosulfate 40g/ ton raw ore, diethyldithiocarbamate 25g/ ton raw ore, butylamine black powder 30g/ ton raw ore; Terpenic oil 20g/ ton raw ore stirred after 5 minutes, carry out conventional one section selected, one section roughly select, sorting that two sections are scanned; Wherein selected 2 minutes, roughly select 6 minutes, one section and scan 5 minutes, two sections and scanned 6 minutes, obtain concentrate of lead sulfide ore and zinc sulfide concentrates;
D, zinc sulfide obtained in step B to select the slurry mixture of lead oxide flotation following: Control a pulp density of 30%, and sodium carbonate was added to the slurry 350g / t ore, sulfide 1.8kg / t ore, mercaptobenzothiazole Ping Cypriot azole 10g / t ore, sec-octyl xanthate 150g / t ore, pine oil 60g / t ore and stirred for 16 minutes after a routine selection, a roughing, a scavenger flotation, which featured 3 minutes, 6 minutes roughing, scavenging 5 minutes to obtain lead oxide concentrates, and lead oxide flotation pulp; 45% of lead in concentrates oxide, lead oxide scavenger flotation pulp discharge of lead 0.59%;
E, ore pulp in the flotation of step D gained lead oxide is carried out the flotation of following one-level group zinc oxide: the control pulp density is 28%, and in this ore pulp, adds sodium carbonate 1kg/ ton raw ore, vulcanized sodium 3kg/ ton raw ore; Waterglass 400g/ ton raw ore, calgon 40g/ ton raw ore, commercial mixed amine add butyl Sodium Aerofloat 400g/ ton raw ore; Stir after 6 minutes; Carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 3 minutes, roughly selected 11 minutes; Obtain one-level group zinc oxide concentrate, and ore pulp in the flotation of one-level group; Zinc oxide concentrate contains zinc 35.19%;
F, ore pulp in the one-level group flotation of step e is carried out cyclone classification ,-ore pulp of the ore pulp of 0.05mm grade and+0.05mm grade, the ore pulp of-0.05mm grade is a mine tailing; The ore pulp of+0.05mm grade is carried out the flotation of following secondary groups zinc oxide: the control pulp density is 25%, and in this ore pulp, adds sodium carbonate 200g/ ton raw ore, vulcanized sodium 1.8kg/ ton raw ore; Waterglass 200g/ ton raw ore, calgon 30g/ ton raw ore, commercial mixed amine add butyl Sodium Aerofloat 200g/ ton raw ore; Stir after 6 minutes; Carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 3 minutes, roughly selected 11 minutes; Obtain secondary groups zinc oxide flotation concentrate, and ore pulp in the secondary groups flotation; Zinc oxide concentrate contains zinc 29.41%;
G, with ore pulp in the secondary groups flotation of step F, carry out cyclone classification ,-ore pulp of 0.063mm grade and+0.063mm grade; The ore pulp of-0.063mm grade is a mine tailing, and+ore pulp of 0.063mm grade through ore grinding to-0.063mm account for 80% after, with the raw ore zinc grade of steps A be 5.35%-after the ore pulp of 0.04mm grade mixes; Carry out the flotation of following three grades of group zinc oxide: the control pulp density is 25%, and in this ore pulp, adds sodium carbonate 300g/ ton raw ore, vulcanized sodium 1.8kg/ ton raw ore; Waterglass 250g/ ton raw ore, calgon 30g/ ton raw ore, commercial mixed amine add butyl Sodium Aerofloat 200g/ ton raw ore; Stir after 6 minutes, carry out conventional one section selected, one section roughly select, flotation that one section is scanned, wherein selected 2 minutes; Roughly selected 11 minutes, scanned 5 minutes, obtain three grades of group zinc oxide flotation concentrates and mine tailing slurry; Zinc oxide concentrate contains zinc 25.63%, and mine tailing contains zinc 0.52%;
H, step e, F, G gained one-level group, secondary groups and three grades of group zinc oxide flotation concentrates are mixed after, obtain the comprehensive concentrate of zinc oxide, this concentrate grade is 25.61%; With step F-mine tailing of 0.05mm grade slurry and step G-the mine tailing slurry of 0.063mm grade mixes, the comprehensive mine tailing that obtains the flotation of lead oxide zinc is starched, and is leaded 0.24%, contain zinc 1.26%.
Claims (2)
1. the beneficiation method of a shale lead-zinc is characterized in that comprising following each step:
A, with shale lead oxide zinc ore crude wet type feed and sieve, on the sieve+ore pulp of 10mm grade carries out ore grinding after fragmentation, grind grading one-tenth-0.1mm grade account for 70 ~ 80%; Under the sieve-ore pulp of 10mm grade obtains through the washup classification :-10mm～+ ore particle of 0.1mm grade; With-0.1mm～+ ore pulp of 0.04mm grade; And-ore pulp of 0.04mm grade; With-10mm～+ ore particle of 0.1mm grade send Grinding procedure to continue ore grinding, the ore pulp of right-0.04mm grade is divided into according to raw ore zinc grade difference: raw ore zinc grade be 3～6%-ore pulp of 0.04mm grade; Perhaps raw ore zinc grade be 6～8%-ore pulp of 0.04mm grade;
B, with the ore pulp of steps A gained-0.1mm grade and-0.1mm～+ after the ore pulp of 0.04mm grade merged, carry out following vulcanized lead zinc and mix choosing: control pulp density 25%～35% added sodium carbonate 300～500g/ ton raw ore; Copper sulphate 300～400g/ ton raw ore; Butyl xanthate 140～200g/ ton raw ore, butylamine black powder 70～100g/ ton raw ore, terpenic oil 40～50g/ ton raw ore; Stir after 5～7 minutes; Carry out conventional one section selected, one section roughly select, mixed choosing that one section is scanned, wherein selected 2～3 minutes, roughly select 4～5 minutes, scan 3～4 minutes, obtain vulcanized lead zinc bulk concentrate slurry and vulcanized lead zinc and mix and choose ore pulp;
C, step B gained vulcanized lead zinc bulk concentrate slurry is carried out following sorting: the control pulp density is 16～20%, and after in this ore pulp, adding vulcanized sodium 50～100g/ ton raw ore, cyclone classification goes out overflow and sand setting; Mine tailing is gone in overflow, and control sand setting concentration is 45～50%, and the control floatation concentration is 30 ~ 35%; And in sand setting, add sodium carbonate 40～60g/ ton raw ore, zinc sulfate 50～70g/ ton raw ore, sodium thiosulfate 40～60g/ ton raw ore; Diethyldithiocarbamate 20～30g/ ton raw ore, butylamine black powder 20～30g/ ton raw ore, terpenic oil 10～20g/ ton raw ore; Stir after 5～7 minutes; Carry out conventional one section selected, one section roughly select, sorting that two sections are scanned, wherein selected 2～3 minutes, roughly select 6～7 minutes, one section and scan 5～6 minutes, two sections and scanned 5～6 minutes; Obtain concentrate of lead sulfide ore, the mine tailing behind the flotation vulcanized lead is a zinc sulfide concentrates;
D, the mixed zinc sulfide obtained in step B is selected for the following oxidation lead flotation pulp: The control pulp concentration of 20 to 30% of sodium carbonate was added to the slurry 300 ~ 400g / t ore, THF 1.5 ~ 2kg / t ore, mercaptobenzothiazole Ping plug azole 10 ~ 20g / t ore, sec-octyl xanthate 100 ~ 150g / t ore, pine oil 40 ~ 60g / t ore, stirring for 12 to 16 minutes after a routine selection, some roughing, a scavenger flotation, which featured 2 to 3 minutes, 6 to 8 minutes roughing, scavenging, 5 to 7 minutes, get lead oxide and lead oxide flotation concentrate slurry;
E, ore pulp in the flotation of step D gained lead oxide is carried out the flotation of following one-level group zinc oxide: the control pulp density is 18～28%, and in this ore pulp, adds sodium carbonate 600～1000g/ ton raw ore, vulcanized sodium 3～4kg/ ton raw ore; Waterglass 400～700g/ ton raw ore, sodium lignosulfonate or calgon 40～60g/ ton raw ore, zinc oxide collecting agent 250～400g/ ton raw ore; Stir after 6～8 minutes; Carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 2～3 minutes, roughly selected 10～12 minutes; Obtain one-level group zinc oxide concentrate, and ore pulp in the flotation of one-level group;
F, ore pulp in the one-level group flotation of step e is carried out cyclone classification ,-ore pulp of the ore pulp of 0.05mm grade and+0.05mm grade, the ore pulp of-0.05mm grade is a mine tailing; The ore pulp of+0.05mm grade is carried out the flotation of following secondary groups zinc oxide: the control pulp density is 20～30%, and in this ore pulp, adds sodium carbonate 200～300g/ ton raw ore, vulcanized sodium 1.5～2kg/ ton raw ore; Waterglass 200～300g/ ton raw ore, sodium lignosulfonate or calgon 20～30g/ ton raw ore, zinc oxide collecting agent 150～200g/ ton raw ore; Stir after 6～8 minutes; Carry out conventional one section selected, one section flotation of roughly selecting, wherein selected 2～3 minutes, roughly selected 10～12 minutes; Obtain secondary groups zinc oxide flotation concentrate, and ore pulp in the secondary groups flotation;
G, with ore pulp in the secondary groups flotation of step F, carry out cyclone classification ,-ore pulp of 0.063mm grade and+0.063mm grade; The ore pulp of-0.063mm grade is a mine tailing, and+ore pulp of 0.063mm grade through ore grinding to-0.063mm account for 70～80% after, with the raw ore zinc grade of steps A be 3～6%-after the ore pulp of 0.04mm grade mixes; Carry out the flotation of following three grades of group zinc oxide: the control pulp density is 20～30%, and in this ore pulp, adds sodium carbonate 200～300g/ ton raw ore, vulcanized sodium 1.5～2kg/ ton raw ore; Waterglass 200～300g/ ton raw ore, sodium lignosulfonate or calgon 20～30g/ ton raw ore, zinc oxide collecting agent 150～200g/ ton raw ore; Stir after 6～8 minutes; Carry out conventional one section selected, one section roughly select, flotation that one section is scanned, wherein selected 2～3 minutes, roughly selected 10～12 minutes; Scanned 4～5 minutes, and obtained three grades of group zinc oxide flotation concentrates and mine tailing slurry;
H, with the raw ore zinc grade of steps A be 6～8%-after the ore pulp of 0.04mm grade flocculates, dewaters; The ore deposit of must flocculating; Should flocculate after ore deposit and step e, F, G gained one-level group, secondary groups and three grades of group zinc oxide flotation concentrates mix; Obtain the comprehensive concentrate of zinc oxide, this concentrate grade is 23～26%; With step F-mine tailing of 0.05mm grade slurry and step G-the mine tailing slurry of 0.063mm grade mixes, the comprehensive mine tailing that obtains the flotation of lead oxide zinc is starched, and is leaded 0.2～0.4%, contain zinc 1.26～1.58%.
2. beneficiation method according to claim 1 is characterized in that: the zinc oxide collecting agent among said step e, F, the G is that commercial DF388 or E5 or mixed amine add the butyl Sodium Aerofloat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110343514 CN102357406B (en) | 2011-11-03 | 2011-11-03 | Beneficiation method for mud oxidized lead-zinc ores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110343514 CN102357406B (en) | 2011-11-03 | 2011-11-03 | Beneficiation method for mud oxidized lead-zinc ores |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102357406A true CN102357406A (en) | 2012-02-22 |
| CN102357406B CN102357406B (en) | 2013-07-03 |
Family
ID=45582818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110343514 Active CN102357406B (en) | 2011-11-03 | 2011-11-03 | Beneficiation method for mud oxidized lead-zinc ores |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102357406B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433146A (en) * | 2013-08-20 | 2013-12-11 | 长沙有色冶金设计研究院有限公司 | Booze flotation method and system capable of improving rougher flotation effect |
| CN105127007A (en) * | 2015-09-30 | 2015-12-09 | 广西大学 | Floatation method of sulfur-oxygen mixed lead antimony ore |
| CN105413852A (en) * | 2015-12-10 | 2016-03-23 | 深圳市瑞世兴科技有限公司 | Beneficiation method for zinc oxide ore |
| CN106179761A (en) * | 2016-07-15 | 2016-12-07 | 昆明理工大学 | A kind of beneficiation method of zinc oxide ore |
| CN107899751A (en) * | 2017-10-31 | 2018-04-13 | 石全能 | The beneficiation method of high mud lead-zinc |
| CN108654831A (en) * | 2018-05-14 | 2018-10-16 | 驰宏科技工程股份有限公司 | The method for recycling lead concentrate from lead oxide ore based on electro reduction flotation |
| CN109046790A (en) * | 2018-10-15 | 2018-12-21 | 云南驰宏锌锗股份有限公司 | A kind of method for floating of dolomite and calcite type sulfidation-oxidation Pb-Zn deposits |
| CN109290067A (en) * | 2018-09-30 | 2019-02-01 | 和顺倡 | A kind of zinc oxide method for floating of No severing mud |
| CN109395874A (en) * | 2018-11-08 | 2019-03-01 | 滕磊 | The beneficiation method of low-grade sulfur-bearing lead-zinc |
| CN112901171A (en) * | 2021-01-22 | 2021-06-04 | 安徽马钢张庄矿业有限责任公司 | Green, safe and efficient mining method for super-huge metal mine |
| CN114054200A (en) * | 2021-11-18 | 2022-02-18 | 长沙矿山研究院有限责任公司 | Zinc oxide flotation recovery method based on gravity-flotation combined pre-desliming |
| RU2782839C1 (en) * | 2022-04-15 | 2022-11-03 | Федеральное государственное бюджетное учреждение науки Байкальский институт природопользования Сибирского отделения Российской академии наук (БИП СО РАН) | Method for processing oxidized lead-zinc ores |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51120466A (en) * | 1975-01-28 | 1976-10-21 | Nippon Steel Corp | A compound cyclone classifying system for a powered carbon containing alloy |
| CN1820853A (en) * | 2006-02-09 | 2006-08-23 | 陈铁 | Beneficiation method for zinc oxide mine |
| CN101816978A (en) * | 2010-05-26 | 2010-09-01 | 中南大学 | Method for lead-zinc oxide ore flotation |
| CN101934246A (en) * | 2010-08-18 | 2011-01-05 | 长沙矿冶研究院 | Beneficiation method for lead-zinc oxide ore difficult to beneficiate |
-
2011
- 2011-11-03 CN CN 201110343514 patent/CN102357406B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51120466A (en) * | 1975-01-28 | 1976-10-21 | Nippon Steel Corp | A compound cyclone classifying system for a powered carbon containing alloy |
| CN1820853A (en) * | 2006-02-09 | 2006-08-23 | 陈铁 | Beneficiation method for zinc oxide mine |
| CN101816978A (en) * | 2010-05-26 | 2010-09-01 | 中南大学 | Method for lead-zinc oxide ore flotation |
| CN101934246A (en) * | 2010-08-18 | 2011-01-05 | 长沙矿冶研究院 | Beneficiation method for lead-zinc oxide ore difficult to beneficiate |
Non-Patent Citations (4)
| Title |
|---|
| 张心平等: "兰坪氧化铅锌矿浮选新工艺研究", 《矿冶》 * |
| 张曙光等: "兰坪难选氧化铅锌矿浮选工艺研究", 《云南冶金》 * |
| 汪兆龙: "兰坪铅锌矿灰岩氧化矿石重选工艺研究的进展", 《有色金属(选矿部分)》 * |
| 蒋明华等: "兰坪铅锌矿氧化矿选矿工业试验研究", 《有色金属(选矿部分)》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433146B (en) * | 2013-08-20 | 2015-06-10 | 长沙有色冶金设计研究院有限公司 | Booze flotation method and system capable of improving rougher flotation effect |
| CN103433146A (en) * | 2013-08-20 | 2013-12-11 | 长沙有色冶金设计研究院有限公司 | Booze flotation method and system capable of improving rougher flotation effect |
| CN105127007A (en) * | 2015-09-30 | 2015-12-09 | 广西大学 | Floatation method of sulfur-oxygen mixed lead antimony ore |
| CN105413852A (en) * | 2015-12-10 | 2016-03-23 | 深圳市瑞世兴科技有限公司 | Beneficiation method for zinc oxide ore |
| CN106179761B (en) * | 2016-07-15 | 2020-04-07 | 昆明理工大学 | Beneficiation method for zinc oxide ore |
| CN106179761A (en) * | 2016-07-15 | 2016-12-07 | 昆明理工大学 | A kind of beneficiation method of zinc oxide ore |
| CN107899751A (en) * | 2017-10-31 | 2018-04-13 | 石全能 | The beneficiation method of high mud lead-zinc |
| CN108654831A (en) * | 2018-05-14 | 2018-10-16 | 驰宏科技工程股份有限公司 | The method for recycling lead concentrate from lead oxide ore based on electro reduction flotation |
| CN109290067A (en) * | 2018-09-30 | 2019-02-01 | 和顺倡 | A kind of zinc oxide method for floating of No severing mud |
| CN109046790A (en) * | 2018-10-15 | 2018-12-21 | 云南驰宏锌锗股份有限公司 | A kind of method for floating of dolomite and calcite type sulfidation-oxidation Pb-Zn deposits |
| CN109395874A (en) * | 2018-11-08 | 2019-03-01 | 滕磊 | The beneficiation method of low-grade sulfur-bearing lead-zinc |
| CN112901171A (en) * | 2021-01-22 | 2021-06-04 | 安徽马钢张庄矿业有限责任公司 | Green, safe and efficient mining method for super-huge metal mine |
| CN114054200A (en) * | 2021-11-18 | 2022-02-18 | 长沙矿山研究院有限责任公司 | Zinc oxide flotation recovery method based on gravity-flotation combined pre-desliming |
| CN114054200B (en) * | 2021-11-18 | 2022-09-02 | 长沙矿山研究院有限责任公司 | Zinc oxide flotation recovery method based on gravity-flotation combined pre-desliming |
| RU2782839C1 (en) * | 2022-04-15 | 2022-11-03 | Федеральное государственное бюджетное учреждение науки Байкальский институт природопользования Сибирского отделения Российской академии наук (БИП СО РАН) | Method for processing oxidized lead-zinc ores |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102357406B (en) | 2013-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102357406B (en) | Beneficiation method for mud oxidized lead-zinc ores | |
| CN102029220B (en) | Separating flotation method of low-grade complex lead-antimony-zinc | |
| CN101585017B (en) | Ore-selecting method of difficultly-selected copper zinc sulphur ore | |
| CN101549322B (en) | Process of using sulphur lead-zinc containing tailings to prepare sulphur iron ore concentrate | |
| CN105413854A (en) | Beneficiation method for high-oxidation-rate copper-molybdenum paragenic ore | |
| CN101985111B (en) | Copper-sulfur ore separation method | |
| CN104689913B (en) | A kind of method that polycrystalline series troilite mixing is reclaimed | |
| CN104226461B (en) | The beneficiation method of comprehensive recovery of gold zinc sulfur ferrum from discarded tailing | |
| CN1810381B (en) | Multi-metal cassiterite sulfurizing tail concentrating method | |
| CN107812605B (en) | A kind of ore-dressing technique mentioning copper drop silicon | |
| CN104148163B (en) | A kind of beneficiation method processing low-grade tin-lead-zinc multi-metal oxygen ore deposit | |
| CN109365137A (en) | Flotation method for comprehensively recovering copper and gold from copper-dressing tailings | |
| CN105435952A (en) | Method for recovering high-pelitic and high-iron copper oxide ore hard to treat | |
| CN108787159A (en) | A kind of synthetical recovery beneficiation method of low-grade uranium-bearing polymetallic ore | |
| CN102225374A (en) | Method for recovering iron from pyrite cinder | |
| CN106179762B (en) | A kind of beneficiation method of low-grade shale zinc oxide ore | |
| CN103551245A (en) | Beneficiation method for comprehensively reclaiming complex multi-metal micro-grain cassiterite sulphide ore | |
| CN106076600A (en) | A kind of low-grade refractory processes the beneficiation method of scheelite | |
| CN109604048A (en) | The method of metallic copper, copper sulfide and iron mineral in substep recycling copper vessel slag | |
| CN109482365A (en) | A kind of beneficiation method for reducing betafite concentrate and leaching acid consumption | |
| CN103480500A (en) | Flotation method for carbonaceous matter copper-cobalt ore | |
| CN104815746A (en) | Recovery method of high-iron highly-argillaceous alkaline gangue refractory oxide copper ore | |
| CN106733210B (en) | A kind of beneficiation method of antimony sulfide ore | |
| CN105750089A (en) | Magnesian collophanite separation method | |
| CN103623919A (en) | Ore dressing method for lead, zinc and antimony ore containing carbon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |