CN104874474A - Beneficiation method for xenotime - Google Patents
Beneficiation method for xenotime Download PDFInfo
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- CN104874474A CN104874474A CN201510311900.2A CN201510311900A CN104874474A CN 104874474 A CN104874474 A CN 104874474A CN 201510311900 A CN201510311900 A CN 201510311900A CN 104874474 A CN104874474 A CN 104874474A
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- xenotime
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- magnetic separator
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Abstract
The invention provides a beneficiation method for xenotime. The beneficiation method comprises the following steps of obtaining original ore pulp; performing low-intensity magnetic separation on the original ore pulp, and removing mechanical iron to obtain rough ore pulp; performing strong magnetic separation on the rough ore pulp to obtain primary xenotime concentrate and primary xenotime tailing; performing primary scavenging on the primary xenotime tailing to obtain secondary xenotime concentrate and secondary xenotime tailing; performing secondary scavenging on the secondary xenotime tailing to obtain tertiary xenotime concentrate and tertiary xenotime tailing. Compared with gravity separation and electric separation, the beneficiation method for separating and enriching the xenotime by sequentially adopting low-intensity magnetic separation, strong magnetic separation, primary scavenging and secondary scavenging has the advantage that fine minerals can be better recovered; compared with the flotation mode, the beneficiation method has the characteristics that no medicament is needed to be added, equipment is easy to control, and the pollution to the environment is small.
Description
Technical field
The present invention relates to ore dressing field, particularly relate to a kind of beneficiation method of xenotime.
Background technology
Rare earth element refers to 15 elements of the lutetium from the lanthanum of atomic number 57 to 71, adds scandium and yttrium two elements, the general name of totally ten seven elements.The representative mineral of rare earth element have monazite, bastnaesite and xenotime.The mineral such as monazite and xenotime originate in granite, granite peamatite, placer mineral deposit, exist mainly with dysgeogenous heavy mineral form, usually and the placer mineral symbiosis such as ilmenite, zircon, garnet, cassiterite.
The beneficiation method of traditional xenotime mainly contains gravity treatment, electric separation and flotation.Gravity treatment and the process of electric separation to Fine fraction of ore ore still have larger difficulty.Flotation is collecting agent, sodium metasilicate and starch mainly with hydroxamic acid is inhibitor, although can reach good separation and concentration effect, the how many and operating process of adding of pharmaceutical quantities is all difficult to accurate control, and environmental pollution is also larger.
Summary of the invention
Based on this, provide a kind of beneficiation method of xenotime, the method, compared with gravity treatment, electric separation, can reclaim fine fraction mineral well, and compared with flotation, do not need to add any medicament, equipment is easy to control, and environmental pollution is little.
A beneficiation method for xenotime, comprises the following steps:
Obtain raw ore slurry;
Described raw ore slurry is carried out low intensity magnetic separation, after removing mechanical iron, obtains rough ore pulp;
Described rough ore pulp is carried out high intensity magnetic separation, obtains an xenotime concentrate and an xenotime mine tailing;
A described xenotime mine tailing is carried out once purging selection, obtains secondary xenotime concentrate and secondary xenotime mine tailing;
Described secondary xenotime mine tailing is carried out secondary scan, obtain three xenotime concentrate and three xenotime mine tailings.
Wherein in an embodiment, described raw ore slurry is obtained by following steps:
Obtain xenotime raw ore; And
Carry out ore grinding by after described xenotime crushing raw ore, mog accounts for 75% ~ 85% for-200 orders, obtains raw ore slurry.
Wherein in an embodiment, the step that described raw ore slurry carries out low intensity magnetic separation is specially: described raw ore slurry is sent into half adverse current barrel type magnetic separator and carry out low intensity magnetic separation.
Wherein in an embodiment, the cylinder Surface field intensity of described half adverse current barrel type magnetic separator is 1800 ~ 2200 oersteds, and magnetic separation concentration is 20% ~ 40%.
Wherein in an embodiment, the step that described rough ore pulp carries out high intensity magnetic separation is specially: described rough ore pulp is sent into the pulsation vertical ring high-gradient magnetic separator being provided with palsating equipment and carries out high intensity magnetic separation.
Wherein in an embodiment, the background magnetic field intensity of described pulsation vertical ring high-gradient magnetic separator is 1.2 ~ 1.3 teslas, and described palsating equipment vibration frequency is 200 ~ 300 beats/min, and the vertical ring rotating speed of described pulsation vertical ring high-gradient magnetic separator is 2 ~ 3 revs/min.
Wherein in an embodiment, the step that a described xenotime mine tailing carries out once purging selection is specially: a described xenotime mine tailing is sent into the vertical ring high-gradient magnetic separator being provided with vibrating device and carries out once purging selection.
Wherein in an embodiment, the background magnetic field intensity of described vertical ring high-gradient magnetic separator is 1.2 ~ 1.3 teslas, and the vibration frequency of described vibrating device is 100 ~ 150 beats/min, and the vertical ring rotating speed of described vertical ring high-gradient magnetic separator is 2 ~ 3 revs/min.
Wherein in an embodiment, described secondary xenotime mine tailing is carried out the step that secondary scans and be specially: described secondary xenotime mine tailing is sent into and secondary is carried out to pole formula high gradient magnetic separator scans.
Wherein in an embodiment, the described background magnetic field intensity to pole formula high gradient magnetic separator is 1.8 ~ 2.0 teslas, the single cycle give the ore deposit time be 120 ~ 150 seconds, the overfall time is 50 ~ 60 seconds, row the magnetic ore deposit time be 50 ~ 60 seconds.
The beneficiation method of xenotime, adopts low intensity magnetic separation, high intensity magnetic separation, once purging selection and secondary to scan successively, carries out separation and concentration to xenotime, compared with gravity treatment, electric separation, fine fraction mineral can be reclaimed well, compared with flotation, do not need to add any medicament, equipment is easy to control, and environmental pollution is little.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the beneficiation method of the xenotime of an embodiment.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
Refer to Fig. 1, be the beneficiation method of the xenotime of an embodiment, comprise the following steps:
S110, acquisition raw ore slurry.
In the present embodiment, raw ore slurry is obtained by following steps:
S1101, acquisition xenotime raw ore.
In the present embodiment, xenotime raw ore is that " Nolvthern minerals ltd " company of Australia provides.
S1102, carry out ore grinding by after above-mentioned xenotime crushing raw ore, mog accounts for 75% ~ 85% for-200 orders, obtains raw ore slurry.
Wherein, the step of carrying out ore grinding after xenotime crushing raw ore is specially: by xenotime crushing raw ore to-10mm, then carry out ore grinding, ore milling concentration is 60%, and the ore grinding time is 17 ~ 20 minutes.
It should be noted that, the acquisition of raw ore slurry is not limited to the method described in step S1101 ~ S1102, and in other embodiments, raw ore slurry can also adopt additive method to obtain.
S120, above-mentioned raw ore slurry is carried out low intensity magnetic separation, after removing mechanical iron, obtain rough ore pulp.
In the present embodiment, the step of above-mentioned raw ore slurry being carried out low intensity magnetic separation is specially: above-mentioned raw ore slurry is sent into half adverse current barrel type magnetic separator and carry out low intensity magnetic separation.
Wherein, half adverse current barrel type magnetic separator is purchased from Dalishen Electromagnetic Machinery Co., Ltd., Yueyang, and model is CTB-69.
Preferably, the cylinder surface induction intensity of half adverse current barrel type magnetic separator is 1800 ~ 2200 oersteds, and magnetic separation concentration is 20% ~ 40%.
In step S120, mechanical iron is the mechanical iron be mixed in broken grinding process.
S130, above-mentioned rough ore pulp is carried out high intensity magnetic separation, obtain an xenotime concentrate and an xenotime mine tailing.
In the present embodiment, the step that above-mentioned rough ore pulp carries out high intensity magnetic separation is specially: above-mentioned rough ore pulp is sent into the pulsation vertical ring high-gradient magnetic separator being provided with palsating equipment and carries out high intensity magnetic separation.
Wherein, the pulsation vertical ring high-gradient magnetic separator being provided with palsating equipment is purchased from Yueyang god of unusual strength's electromagnetism Science and Technology Ltd., and model is DLS-75.
Preferably, the background magnetic field intensity of above-mentioned pulsation vertical ring high-gradient magnetic separator is 1.2 ~ 1.3 teslas, and the vibration frequency of palsating equipment is 200 ~ 300 beats/min.The vertical ring rotating speed of this pulsation vertical ring high-gradient magnetic separator is 2 ~ 3 revs/min.
S140, an above-mentioned xenotime mine tailing is carried out once purging selection, obtain secondary xenotime concentrate and secondary xenotime mine tailing.
In the present embodiment, the step that an above-mentioned xenotime mine tailing carries out once purging selection is specially: an above-mentioned xenotime mine tailing is sent into the vertical ring high-gradient magnetic separator being provided with vibrating device and carries out once purging selection.
Wherein, the vertical ring high-gradient magnetic separator being provided with vibrating device is purchased from Dalishen Electromagnetic Machinery Co., Ltd., Yueyang, and model is DLS-75.
Preferably, the background magnetic field intensity of above-mentioned vertical ring high-gradient magnetic separator is 1.2 ~ 1.3 teslas, and the vibration frequency of vibrating device is 100 ~ 150 beats/min.The vertical ring rotating speed of this vertical ring high-gradient magnetic separator is 2 ~ 3 revs/min.
S150, above-mentioned secondary xenotime mine tailing is carried out secondary scan, obtain three xenotime concentrate and three xenotime mine tailings.
In the present embodiment, above-mentioned secondary xenotime mine tailing is carried out the step that secondary scans to be specially: above-mentioned secondary xenotime mine tailing is sent into and carries out secondary to pole formula high gradient magnetic separator and scan.
Wherein, be purchased from Dalishen Electromagnetic Machinery Co., Ltd., Yueyang to pole formula high gradient magnetic separator, model is DLSD-01.
Preferably, the above-mentioned background magnetic field intensity to pole formula high gradient magnetic separator is 1.8 ~ 2.0 teslas, the single cycle give the ore deposit time be 120 ~ 150 seconds, the overfall time is 50 ~ 60 seconds, row the magnetic ore deposit time be 50 ~ 60 seconds.
The beneficiation method of above-mentioned xenotime, carries out ore grinding by after xenotime crushing raw ore, then adopts low intensity magnetic separation, high intensity magnetic separation, once purging selection and secondary to scan successively, carries out separation and concentration to xenotime, makes yttria (Y in an xenotime concentrate
2o
3) grade reaches more than 19%, Y
2o
3overall recovery reach more than 90%, Y in three xenotime mine tailings
2o
3grade drops to less than 0.6%.
The beneficiation method of above-mentioned xenotime, compared with gravity treatment, electric separation, can reclaim fine fraction mineral well, and compared with flotation, do not need to add any medicament, equipment is easy to control, and environmental pollution is little.
It is below specific embodiment.
Embodiment 1
(1) raw ore slurry is obtained: by xenotime crushing raw ore to-10mm, then carry out ore grinding in wet ball mill, ore milling concentration is 60%, and the ore grinding time is 17 minutes, and mog accounts for 80% for-200 orders, obtains raw ore slurry.
(2) above-mentioned raw ore slurry is sent into half adverse current barrel type magnetic separator and carry out low intensity magnetic separation, obtain rough ore pulp after removing mechanical iron, wherein, the cylinder surface induction intensity of half adverse current barrel type magnetic separator is 2200 oersteds, and pulp density is 20%.
As calculated, Y in above-mentioned rough ore pulp
2o
3grade be 9.75%.Y in rough ore pulp
2o
3grade with broken before Y in xenotime raw ore
2o
3grade basically identical because low intensity magnetic separation remove be the mechanical iron be mixed in broken grinding process.
(3) above-mentioned rough ore pulp is sent into the pulsation vertical ring high-gradient magnetic separator being provided with palsating equipment and carry out high intensity magnetic separation, obtain an xenotime concentrate and an xenotime mine tailing, wherein, the background magnetic field intensity of pulsation vertical ring high-gradient magnetic separator is 1.3 teslas, vertical ring rotating speed is 3 revs/min, the vibration frequency of palsating equipment is 300 beats/min, and pulp density is 20%.
As calculated, Y in an above-mentioned xenotime concentrate
2o
3grade be Y in 19.37%, xenotime mine tailing
2o
3grade be 2.68%.
(4) an above-mentioned xenotime mine tailing is sent into the vertical ring high-gradient magnetic separator being provided with vibrating device and carry out once purging selection, obtain secondary xenotime concentrate and secondary xenotime mine tailing, wherein, the background magnetic field intensity of vertical ring high-gradient magnetic separator is 1.3 teslas, vertical ring rotating speed is 3 revs/min, the vibration frequency of vibrating device is 100 beats/min, and pulp density is 20%.
As calculated, Y in above-mentioned secondary xenotime concentrate
2o
3grade be 8.41%, Y in secondary xenotime mine tailing
2o
3grade be 1.21%.
(5) above-mentioned secondary xenotime mine tailing feeding is carried out secondary to pole formula high gradient magnetic separator to scan, obtain three xenotime concentrate and three xenotime mine tailings, wherein, be 1.8 teslas to the background magnetic field intensity of pole formula high gradient magnetic separator, the single cycle give the ore deposit time be 120 seconds, the overfall time is 60 seconds, and row's magnetic ore deposit time is 50 seconds.
As calculated, Y in above-mentioned three xenotime concentrate
2o
3grade be Y in 9.39%, three xenotime mine tailings
2o
3grade be 0.59%.
In embodiment 1, each product parameters is in table 1.
Each product parameters in table 1 embodiment 1
Embodiment 2
(1) raw ore slurry is obtained: by xenotime crushing raw ore to-10mm, then carry out ore grinding in wet ball mill, ore milling concentration is 60%, and the ore grinding time is 17 minutes, and mog accounts for 80% for-200 orders, obtains raw ore slurry.
(2) above-mentioned raw ore slurry is sent into half adverse current barrel type magnetic separator and carry out low intensity magnetic separation, obtain rough ore pulp after removing mechanical iron, wherein, the cylinder surface induction intensity of half adverse current barrel type magnetic separator is 2200 oersteds, and pulp density is 20%.
As calculated, Y in above-mentioned rough ore pulp
2o
3grade be 9.98%.Y in rough ore pulp
2o
3grade with broken before Y in xenotime raw ore
2o
3grade basically identical because low intensity magnetic separation remove be the mechanical iron be mixed in broken grinding process.
(3) above-mentioned rough ore pulp is sent into the pulsation vertical ring high-gradient magnetic separator being provided with palsating equipment and carry out high intensity magnetic separation, obtain an xenotime concentrate and an xenotime mine tailing, wherein, the background magnetic field intensity of pulsation vertical ring high-gradient magnetic separator is 1.3 teslas, vertical ring rotating speed is 3 revs/min, the vibration frequency of palsating equipment is 300 beats/min, and pulp density is 20%.
As calculated, Y in an above-mentioned xenotime concentrate
2o
3grade be Y in 19.69%, xenotime mine tailing
2o
3grade be 2.82%.
(4) an above-mentioned xenotime mine tailing is sent into the vertical ring high-gradient magnetic separator being provided with vibrating device and carry out once purging selection, obtain secondary xenotime concentrate and secondary xenotime mine tailing, wherein, the background magnetic field intensity of vertical ring high-gradient magnetic separator is 1.3 teslas, vertical ring rotating speed is 3 revs/min, the vibration frequency of vibrating device is 100 beats/min, and pulp density is 20%.
As calculated, Y in above-mentioned secondary xenotime concentrate
2o
3grade be 8.51%, Y in secondary xenotime mine tailing
2o
3grade be 1.31%.
(5) above-mentioned secondary xenotime mine tailing feeding is carried out secondary to pole formula high gradient magnetic separator to scan, obtain three xenotime concentrate and three xenotime mine tailings, wherein, be 1.8 teslas to the background magnetic field intensity of pole formula high gradient magnetic separator, the single cycle give the ore deposit time be 120 seconds, the overfall time is 60 seconds, and row's magnetic ore deposit time is 50 seconds.
As calculated, Y in above-mentioned three xenotime concentrate
2o
3grade be Y in 9.42%, three xenotime mine tailings
2o
3grade be 0.61%.
In embodiment 2, each product parameters is in table 2.
Each product parameters in table 2 embodiment 2
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a beneficiation method for xenotime, is characterized in that, comprises the following steps:
Obtain raw ore slurry;
Described raw ore slurry is carried out low intensity magnetic separation, after removing mechanical iron, obtains rough ore pulp;
Described rough ore pulp is carried out high intensity magnetic separation, obtains an xenotime concentrate and an xenotime mine tailing;
A described xenotime mine tailing is carried out once purging selection, obtains secondary xenotime concentrate and secondary xenotime mine tailing; And
Described secondary xenotime mine tailing is carried out secondary scan, obtain three xenotime concentrate and three xenotime mine tailings.
2. the beneficiation method of xenotime according to claim 1, is characterized in that, described raw ore slurry is obtained by following steps:
Obtain xenotime raw ore; And
Carry out ore grinding by after described xenotime crushing raw ore, mog accounts for 75% ~ 85% for-200 orders, obtains raw ore slurry.
3. the beneficiation method of xenotime according to claim 1, is characterized in that, the step that described raw ore slurry carries out low intensity magnetic separation is specially: described raw ore slurry is sent into half adverse current barrel type magnetic separator and carry out low intensity magnetic separation.
4. the beneficiation method of xenotime according to claim 3, is characterized in that, the cylinder Surface field intensity of described half adverse current barrel type magnetic separator is 1800 ~ 2200 oersteds, and magnetic separation concentration is 20% ~ 40%.
5. the beneficiation method of xenotime according to claim 1, is characterized in that, the step that described rough ore pulp carries out high intensity magnetic separation is specially: described rough ore pulp is sent into the pulsation vertical ring high-gradient magnetic separator being provided with palsating equipment and carries out high intensity magnetic separation.
6. the beneficiation method of xenotime according to claim 5, it is characterized in that, the background magnetic field intensity of described pulsation vertical ring high-gradient magnetic separator is 1.2 ~ 1.3 teslas, the vibration frequency of described palsating equipment is 200 ~ 300 beats/min, and the vertical ring rotating speed of described pulsation vertical ring high-gradient magnetic separator is 2 ~ 3 revs/min.
7. the beneficiation method of xenotime according to claim 1, it is characterized in that, the step that a described xenotime mine tailing carries out once purging selection is specially: a described xenotime mine tailing is sent into the vertical ring high-gradient magnetic separator being provided with vibrating device and carries out once purging selection.
8. the beneficiation method of xenotime according to claim 7, it is characterized in that, the background magnetic field intensity of described vertical ring high-gradient magnetic separator is 1.2 ~ 1.3 teslas, the vibration frequency of described vibrating device is 100 ~ 150 beats/min, and the vertical ring rotating speed of described vertical ring high-gradient magnetic separator is 2 ~ 3 revs/min.
9. the beneficiation method of xenotime according to claim 1, is characterized in that, described secondary xenotime mine tailing is carried out the step that secondary scans and is specially: sent into by described secondary xenotime mine tailing and carry out secondary to pole formula high gradient magnetic separator and scan.
10. the beneficiation method of xenotime according to claim 9, it is characterized in that, the described background magnetic field intensity to pole formula high gradient magnetic separator is 1.8 ~ 2.0 teslas, the single cycle give the ore deposit time be 120 ~ 150 seconds, the overfall time is 50 ~ 60 seconds, and row's magnetic ore deposit time is 50 ~ 60 seconds.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772213A (en) * | 2016-05-09 | 2016-07-20 | 孙建喜 | Comprehensive utilization technology of basic rock and ultra-basic rock and product thereof |
| CN106216087A (en) * | 2016-07-07 | 2016-12-14 | 张宝臣 | A kind of method using magnetic separator enrichment copper-lead zinc in mine tailing |
| CN107309081A (en) * | 2017-07-11 | 2017-11-03 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of processing barren rocks iron selection technique |
| CN110813541A (en) * | 2019-10-24 | 2020-02-21 | 商洛学院 | Collector combination for flotation of monazite and xenotime from fine-grained seashore placer |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106144A (en) * | 1986-09-06 | 1988-03-16 | 赣州有色冶金研究所 | Pulsating high gradient magnetic separator with vertical ring |
| RU2182521C1 (en) * | 2001-06-27 | 2002-05-20 | Петров Игорь Михайлович | Method of concentration of rare-earth ores |
| CN101214468A (en) * | 2007-12-29 | 2008-07-09 | 内蒙古科技大学 | Technique for choosing niobium from ferrum, rare earth and niobium paragenic ore |
| CN101219412A (en) * | 2007-01-10 | 2008-07-16 | 冯云善 | Technique for separating mineral from weak magnetic separation iron tail sand |
| CN101787450A (en) * | 2010-01-13 | 2010-07-28 | 广州有色金属研究院 | Method for enriching tantalum and niobium, rare earth element, iron and phosphorus from rare metal ores |
| US7841474B2 (en) * | 2008-11-19 | 2010-11-30 | Outotec Oyj | Beltless rare earth roll magnetic separator system and method |
| CN102886301A (en) * | 2012-09-27 | 2013-01-23 | 肖厚礼 | Hematite beneficiation method |
| CN202942959U (en) * | 2012-07-15 | 2013-05-22 | 孔方圆 | Antipode type high-gradient magnetic separator |
| CN103639027A (en) * | 2013-12-06 | 2014-03-19 | 中信大锰矿业有限责任公司大新锰矿分公司 | Dry separation method of manganese carbonate ore |
| CN104028369A (en) * | 2014-06-05 | 2014-09-10 | 中钢集团马鞍山矿山研究院有限公司 | Ore dressing method for improving ore dressing recovery rate of low-grade refractory specularite |
| CN104607312A (en) * | 2015-01-16 | 2015-05-13 | 乐山盛和稀土股份有限公司 | Bastnaesite beneficiation process |
-
2015
- 2015-06-10 CN CN201510311900.2A patent/CN104874474A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106144A (en) * | 1986-09-06 | 1988-03-16 | 赣州有色冶金研究所 | Pulsating high gradient magnetic separator with vertical ring |
| RU2182521C1 (en) * | 2001-06-27 | 2002-05-20 | Петров Игорь Михайлович | Method of concentration of rare-earth ores |
| CN101219412A (en) * | 2007-01-10 | 2008-07-16 | 冯云善 | Technique for separating mineral from weak magnetic separation iron tail sand |
| CN101214468A (en) * | 2007-12-29 | 2008-07-09 | 内蒙古科技大学 | Technique for choosing niobium from ferrum, rare earth and niobium paragenic ore |
| US7841474B2 (en) * | 2008-11-19 | 2010-11-30 | Outotec Oyj | Beltless rare earth roll magnetic separator system and method |
| CN101787450A (en) * | 2010-01-13 | 2010-07-28 | 广州有色金属研究院 | Method for enriching tantalum and niobium, rare earth element, iron and phosphorus from rare metal ores |
| CN202942959U (en) * | 2012-07-15 | 2013-05-22 | 孔方圆 | Antipode type high-gradient magnetic separator |
| CN102886301A (en) * | 2012-09-27 | 2013-01-23 | 肖厚礼 | Hematite beneficiation method |
| CN103639027A (en) * | 2013-12-06 | 2014-03-19 | 中信大锰矿业有限责任公司大新锰矿分公司 | Dry separation method of manganese carbonate ore |
| CN104028369A (en) * | 2014-06-05 | 2014-09-10 | 中钢集团马鞍山矿山研究院有限公司 | Ore dressing method for improving ore dressing recovery rate of low-grade refractory specularite |
| CN104607312A (en) * | 2015-01-16 | 2015-05-13 | 乐山盛和稀土股份有限公司 | Bastnaesite beneficiation process |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772213A (en) * | 2016-05-09 | 2016-07-20 | 孙建喜 | Comprehensive utilization technology of basic rock and ultra-basic rock and product thereof |
| CN106216087A (en) * | 2016-07-07 | 2016-12-14 | 张宝臣 | A kind of method using magnetic separator enrichment copper-lead zinc in mine tailing |
| CN106216087B (en) * | 2016-07-07 | 2018-04-24 | 张宝臣 | A kind of method for being enriched with copper-lead zinc using magnetic separator in tailing |
| CN107309081A (en) * | 2017-07-11 | 2017-11-03 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of processing barren rocks iron selection technique |
| CN107309081B (en) * | 2017-07-11 | 2018-10-02 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of processing barren rocks iron selection technique |
| CN110813541A (en) * | 2019-10-24 | 2020-02-21 | 商洛学院 | Collector combination for flotation of monazite and xenotime from fine-grained seashore placer |
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