CN106492994B - A kind of preparation method of olivine mineral inhibitor - Google Patents
A kind of preparation method of olivine mineral inhibitor Download PDFInfo
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- CN106492994B CN106492994B CN201610944120.6A CN201610944120A CN106492994B CN 106492994 B CN106492994 B CN 106492994B CN 201610944120 A CN201610944120 A CN 201610944120A CN 106492994 B CN106492994 B CN 106492994B
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- mineral
- inhibitor
- fluorite
- olivine
- product
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- 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
- B03D1/018—Mixtures of inorganic and organic compounds
-
- 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
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- 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
- B03D2203/04—Non-sulfide ores
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of preparation method of olivine mineral inhibitor, includes the following steps：(1) 20~25g nitrobenzene is added to 100~110ml volumetric concentration is in 20% sulfuric acid solution, and heating makes it dissolve, then 15 DEG C are cooled in ice bath, is slowly added to 15~20ml20% sodium nitrite solution at this temperature and obtains product 1；(2) 20~25g nigrosine and 15~20ml20% sodium hydroxide are configured to solution and are cooled to 15 DEG C in ice bath, it is coupled under the conditions of pH10.5~11 with product 1 and obtains product 2, the powder that product 2 and direct green are coupled soluble easily in water under the conditions of pH10.5~11 is the inhibitor.Inhibitor of the present invention can have good inhibiting effect to olivine mineral, not generate inhibiting effect to fluorite mineral, dosing is few, nontoxic and pollution-free.
Description
One, technical field
The present invention relates to a kind of preparation method of beneficiation reagent, the preparation method of specifically a kind of olivine mineral inhibitor
Olivine mineral inhibitor contains a large amount of olivine minerals suitable for fluorite mineral, need to obtain the purification by floatation of fluorite concentrate
Process.
Two, background technique
During fluorite mineral purification by floatation, it is general using waterglass as quartzy and calcium carbonate mineral inhibitor,
Enuatrol or oleic acid make fluorite mineral collector and carry out flotation recovery；But when containing a large amount of olivine minerals in fluorite mineral,
Relatively due to fluorite and olivine mineral floatability, then in this way difficult is become to its FLOTATION SEPARATION, how will
Fluorite and olivine FLOTATION SEPARATION, ore dressing worker have carried out a large number of experiments research, also obtain a large amount of achievements, but really application
It is less to industrial relevant report.
Three, summary of the invention
The purpose of the present invention is to provide one kind can inhibit olivine mineral, does not generate inhibiting effect to fluorite mineral,
Make the inhibitor of fluorite mineral Yu olivine mineral FLOTATION SEPARATION.
The present invention reaches above-mentioned purpose using following technical scheme：A kind of preparation method of olivine mineral inhibitor, packet
Include following steps：
(1) 20~25g nitrobenzene is added to 100~110ml volumetric concentration is in 20% sulfuric acid solution, and heating keeps its molten
Solution, then 15 DEG C are cooled in ice bath, it is slowly added to 15~20ml20% sodium nitrite solution at this temperature and obtains product 1；
(2) 20~25g nigrosine and 15~20ml20% sodium hydroxide are configured to solution and are cooled to 15 in ice bath
DEG C, it is coupled under the conditions of pH10.5~11 with product 1 and obtains product 2, product 2 and direct green is even under the conditions of pH10.5~11
The powder for closing soluble easily in water is the inhibitor.
When flotation, after ore ore grinding to mineral monomer dissociation, after then to adjust slurry pH be 6~6.5, by 800~
900g/t is added the inhibitor, then plus enuatrol make fluorite mineral collector and collecting carried out to fluorite mineral.
In use, the inhibitor is first configured to the aqueous solution that mass percentage concentration is 1~2%.
Unless otherwise stated, percentage of the present invention is mass percent, and the sum of each component content percentage is
100%.
Particularly advantage of the invention is：
1, there can be good inhibiting effect to olivine mineral, inhibiting effect is not generated to fluorite mineral, improves mineral products
Comprehensive utilization of resources.
2, dosing is few, nontoxic and pollution-free.
Four, specific embodiment
Hereinafter, the technical scheme of the present invention will be further described by specific examples.
Embodiment 1
One example of the preparation method of olivine mineral inhibitor of the present invention, includes the following steps：
(1) 20g nitrobenzene is added to 100ml volumetric concentration is in 20% sulfuric acid solution, and heating makes it dissolve, then in ice
It is cooled to 15 DEG C in bath, is slowly added to 15ml20% sodium nitrite solution at this temperature and obtains product 1.
(2) 20g nigrosine and 15ml20% sodium hydroxide are configured to solution and are cooled to 15 DEG C in ice bath, with product
1 under the conditions of pH10.5 coupling obtain product 2, the powder that product 2 and direct green are coupled soluble easily in water under the conditions of pH10.5
End is the inhibitor.
Embodiment 2
Another example of the preparation method of olivine mineral inhibitor of the present invention, includes the following steps：
(1) 25g nitrobenzene is added to 110ml volumetric concentration is in 20% sulfuric acid solution, and heating makes it dissolve, then in ice
It is cooled to 15 DEG C in bath, is slowly added to 20ml20% sodium nitrite solution at this temperature and obtains product 1.
(2) 25g nigrosine and 20ml20% sodium hydroxide are configured to solution and are cooled to 15 DEG C in ice bath, with product
1 under the conditions of pH11 coupling obtain product 2, the powder that product 2 and direct green are coupled soluble easily in water under the conditions of pH11 is i.e.
For the inhibitor.
Embodiment 3
The present embodiment is application example of the olivine mineral inhibitor in fluorite mineral FLOTATION SEPARATION.
1, raw mineral materials：
Raw material is containing fluorite ore, wherein containing fluorite 56.34%, olivine 22.62%, quartzy 10.21%, calcium carbonate
0.54%, material phase analysis shows to want valuable mineral based on fluorite mineral, and impure mineral is mainly olivine, quartz and a small amount of carbonic acid
Calcium mineral.
2, regime of agent and operating condition：With sulfuric acid tune pH values of pulp to 6~6.5, press inhibitor 800g/t, enuatrol
900g/t carries out expanding test, the results showed that can be effectively by fluorite and olivine mineral flotation point using the above agentia condition
From, to mine fluorite grade 56.34%, olivine 22.62%, quartz 10.21% under the conditions of, scanned by one roughing four times
Seven times selected, available grade 97.21%, the fluorite concentrate that the rate of recovery is 85.64%.
Embodiment 4
The present embodiment is another application example of the olivine mineral inhibitor in fluorite mineral FLOTATION SEPARATION.
1, raw mineral materials：
Raw material is containing fluorite ore, wherein containing fluorite 63.20%, olivine 19.72%, quartzy 11.25%, calcium carbonate
0.27%, material phase analysis shows to want valuable mineral based on fluorite mineral, and impure mineral is mainly olivine, quartz and a small amount of carbonic acid
Calcium mineral.
2, regime of agent and operating condition：With sulfuric acid tune pH values of pulp to 6~6.5, press inhibitor 900g/t, enuatrol
1000g/t carries out expanding test, the results showed that can be effectively by fluorite and olivine mineral flotation point using the above agentia condition
From, to mine fluorite grade 63.20%, olivine 19.72%, quartz 11.25% under the conditions of, scanned by one roughing four times
Seven times selected, obtains grade 97.55%, the fluorite concentrate that the rate of recovery is 87.23%.
Embodiment 5,
Make inhibitor and pair of the olivine mineral inhibitor of the present invention in fluorite mineral FLOTATION SEPARATION with waterglass
Compare application example.
1, raw mineral materials：
Raw material is containing fluorite ore, wherein containing fluorite 63.20%, olivine 19.72%, quartzy 11.25%, calcium carbonate
0.27%, material phase analysis shows to want valuable mineral based on fluorite mineral, and impure mineral is mainly olivine, quartz and a small amount of carbonic acid
Calcium mineral.
2, regime of agent and operating condition：With sulfuric acid tune pH values of pulp to 6~6.5, waterglass 900g/t, enuatrol 1000g/
T carries out expanding test, the results showed that using the above agentia condition can effectively by fluorite and olivine mineral FLOTATION SEPARATION,
Under the conditions of mine fluorite grade 63.20%, olivine 19.72%, quartz 11.25%, scanned seven times by one roughing four times
It is selected, obtain grade 94.32%, the fluorite concentrate that the rate of recovery is 76.70%.
Claims (3)
1. a kind of preparation method of olivine mineral inhibitor, which is characterized in that include the following steps：
（1）It is 100~110ml that 20~25g nitrobenzene, which is added to volume, and concentration is in 20% sulfuric acid solution, and heating keeps its molten
Solution, then 15 DEG C are cooled in ice bath, it is slowly added to 15~20ml, 20% sodium nitrite solution at this temperature and obtains product 1；
（2）20~25g nigrosine and 15~20ml, 20% sodium hydroxide are configured to solution and are cooled to 15 DEG C in ice bath, with
Product 1 is coupled under the conditions of 10.5~11 pH and obtains product 2, and product 2 and direct green are coupled under the conditions of 10.5~11 pH
Obtaining powder soluble easily in water is the inhibitor.
2. application of the olivine mineral inhibitor described in claim 1 in fluorite separation, which is characterized in that when flotation,
After ore ore grinding to mineral monomer dissociation, after then tune slurry pH is 6~6.5, the suppression is added by 800~900 g/t
Preparation, then plus enuatrol make fluorite mineral collector to fluorite mineral carry out collecting.
3. application of the olivine mineral inhibitor in fluorite separation according to claim 2, which is characterized in that use
When, the inhibitor is first configured to the aqueous solution that mass percentage concentration is 1~2%.
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| CN201610944120.6A CN106492994B (en) | 2016-11-02 | 2016-11-02 | A kind of preparation method of olivine mineral inhibitor |
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| CN201610944120.6A CN106492994B (en) | 2016-11-02 | 2016-11-02 | A kind of preparation method of olivine mineral inhibitor |
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| CN106492994B true CN106492994B (en) | 2018-11-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1030024A1 (en) * | 1981-10-15 | 1983-07-23 | Всесоюзный научно-исследовательский институт минерального сырья | Method of concentrating chromium ore containing olivine |
| CN1063058A (en) * | 1991-12-31 | 1992-07-29 | 广州有色金属研究院 | Fluorite technology and adjustment agent composition thereof |
| RU2286850C1 (en) * | 2005-06-23 | 2006-11-10 | Институт Горного Дела Дальневосточного Отделения Российской Академии Наук (Статус Государственного Учреждения) | Method of enriching fluorite ores |
| CN103691574A (en) * | 2013-12-17 | 2014-04-02 | 广西大学 | Preparation method and application of dolomite inhibitor |
| CN103721853A (en) * | 2013-12-10 | 2014-04-16 | 中国地质科学院矿产综合利用研究所 | Pyroxene type ilmenite flotation inhibitor and preparation method thereof |
| CN104226487A (en) * | 2014-08-08 | 2014-12-24 | 西北矿冶研究院 | Silicate gangue mineral combination inhibitor |
-
2016
- 2016-11-02 CN CN201610944120.6A patent/CN106492994B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1030024A1 (en) * | 1981-10-15 | 1983-07-23 | Всесоюзный научно-исследовательский институт минерального сырья | Method of concentrating chromium ore containing olivine |
| CN1063058A (en) * | 1991-12-31 | 1992-07-29 | 广州有色金属研究院 | Fluorite technology and adjustment agent composition thereof |
| RU2286850C1 (en) * | 2005-06-23 | 2006-11-10 | Институт Горного Дела Дальневосточного Отделения Российской Академии Наук (Статус Государственного Учреждения) | Method of enriching fluorite ores |
| CN103721853A (en) * | 2013-12-10 | 2014-04-16 | 中国地质科学院矿产综合利用研究所 | Pyroxene type ilmenite flotation inhibitor and preparation method thereof |
| CN103691574A (en) * | 2013-12-17 | 2014-04-02 | 广西大学 | Preparation method and application of dolomite inhibitor |
| CN104226487A (en) * | 2014-08-08 | 2014-12-24 | 西北矿冶研究院 | Silicate gangue mineral combination inhibitor |
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