CN104785376A - Nickel sulfide ore flotation inhibiting-dispersing agent and preparation method thereof - Google Patents
Nickel sulfide ore flotation inhibiting-dispersing agent and preparation method thereof Download PDFInfo
- Publication number
- CN104785376A CN104785376A CN201510156459.5A CN201510156459A CN104785376A CN 104785376 A CN104785376 A CN 104785376A CN 201510156459 A CN201510156459 A CN 201510156459A CN 104785376 A CN104785376 A CN 104785376A
- Authority
- CN
- China
- Prior art keywords
- parts
- phosphate
- suppression
- dispersant
- nickel sulfide
- 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
Landscapes
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a magnesium silicate gangue inhibiting-dispersing agent of a nickel sulfide ore flotation system, which comprises the following components in parts by weight: 10-20 parts of a trigonella glue; 2-10 parts of phosphate. The preparation method comprises the following steps: 1) weighing 10-20 parts of the trigonella glue and 2-10 parts of the phosphate by weight, adding into 1200-3000 parts of an aqueous medium, and stirring for fully dissolving; 2) heating and stirring the product obtained in the step 1) until a high-viscosity mixed solution is formed, and controlling the mass sum of the trigonella glue and the phosphate to be 1-2% of the total mass of the mixed solution to obtain the cucurbitacin gum. The medicament has good selectivity, small dosage and remarkable effect of inhibiting dispersion.
Description
Technical field
The invention belongs to nickel sulfide ore flotation field, be specifically related to nickel sulfide ore flotation suppression-dispersant and preparation method thereof, relate to more specifically containing magnesium silicate gangue nickel sulfide ore flotation suppression-dispersant and preparation method thereof.
Technical background
The feature that Mineral Resources in China exists " lean ore is many, and rich ore, easily ore dressing are few ".The magnesium silicate gangue mineral content such as talcum, chlorite, pyroxene, hornblend, kaolinite become more greatly the common feature of most domestic nickel sulfide ore/molybdenite.Flotation improves the important technical that such sulphide ore utilizes level, in Mineral Floating Process, usually adjusting agent is added to regulate and control the physicochemical properties of mineral surfaces, to expand the floatability difference of various mineral, realize effective sorting of mineral, wherein suppression-dispersant is essential is also study hotspot.Magnesium silicate gangue mineral or easily argillization or native floatability fabulous, make nickel sulfide ore/molybdenite thing flotation be subject to extreme influence, greatly, sorting index is low, impurity content exceeding index in concentrate for ore dressing suppressions-dispersant dosage.Conventional suppression-dispersant is as poor in the Selective depression effect such as waterglass, modified corn starch, sodium alginate, sodium hexametaphosphate and tannic acid, sodium lignin sulfonate, carboxymethyl cellulose, sodium humate, tannin extract.
Therefore, suppression-dispersant that a kind of drug metering is low, suppression efficiency is high, sorting index is good is urgently developed.
Summary of the invention
For the shortcoming of prior art, one of this patent object is to provide a kind of nickel sulfide ore flotation system magnesium silicate gangue suppression-dispersant, Selective depression easily floating magnesium silicate mineral in sulfide flotation, reach dosing low, Selective depression efficiency is high, the effect that sorting index is good.Experimental study shows, this patent product to content more than 20%, the best magnesium silicate mineral talc of native floatability reaches and effectively suppresses object.This suppression-dispersant, by weight, comprises following component:
10 ~ 20 parts, Fenugreek Polysaccharides glue;
Phosphate 2 ~ 10 parts;
Described phosphate is the one in hexa metaphosphoric acid calcium, sodium hexametaphosphate, magnesium pyrophosphate.
Preferably, this suppression-dispersant, by weight, comprises following component:
10 ~ 15 parts, Fenugreek Polysaccharides glue;
Phosphate 5 ~ 10 parts;
Described phosphate is the one in hexa metaphosphoric acid calcium, magnesium pyrophosphate.
As shown in one embodiment of the present of invention, suppression dispersant of the present invention is only 60% of conventional reagent consumption, but can obtain nickel grade 6.5%, nickel recovery 85%, content of magnesia only 6% nickel ore concentrate, suppress dispersion effect very remarkable.
It is worthy of note, the restriction of the present invention to Fenugreek Polysaccharides glue and phosphate amount ranges just can realize the best effect being better than available reagent, if those skilled in the art are to be understood that the effect that only need realize available reagent, this amount ranges can be not limited to restriction of the present invention.
Described magnesium silicate gangue is at least one in talcum, chlorite, olivine, pyroxene, the tremolite.
Second object of the present invention is to provide the method preparing above-mentioned suppression-dispersant, and the method comprises the steps:
1) by weight, take 10 ~ 20 parts, Fenugreek Polysaccharides glue, phosphate 2 ~ 10 parts, then add in the aqueous medium of 1200 ~ 3000 parts, stir and fully dissolve;
2) thermal agitation is added to step 1) gains, until in high viscosity mixed liquor, control Fenugreek Polysaccharides glue and phosphatic quality and account for the 1-2% of mixed liquor gross mass, to obtain final product; Described phosphate is the one in hexa metaphosphoric acid calcium, sodium hexametaphosphate, magnesium pyrophosphate.
Preferably, described step 2) in, heating-up temperature is 80-90 DEG C, and mixing time is 0.2-0.5 h.
Preferably, the method comprises the steps:
1) by weight, take 10 ~ 15 parts, Fenugreek Polysaccharides glue, phosphate 5 ~ 10 parts, then adds in the aqueous medium of 1500 ~ 2500, stirs and fully dissolves;
2) thermal agitation is added to step 1) gains, until in high viscosity mixed liquor, control Fenugreek Polysaccharides glue and phosphatic quality and account for the 1-2% of mixed liquor gross mass, to obtain final product; Described phosphate is the one in hexa metaphosphoric acid calcium, magnesium pyrophosphate.
Preferably, described step 2) in, heating-up temperature is 80-90 DEG C, and mixing time is 0.2-0.5 h.
Beneficial effect of the present invention:
1, suppression-dispersant of the present invention, remarkable to the suppression dispersion effect of the magnesium silicate gangue of nickel sulfide ore, its suppression given play to and dispersion effect are greater than the effect being used alone both;
2, utilize suppression-dispersant of the present invention, when flotation, just can realize suppressing dispersion effect efficiently with a small amount of dosage, substantially increase flotation selectivity;
3, suppression-dispersant of the present invention is cheap, and preparation method is simple, is with a wide range of applications.
Detailed description of the invention
Provide embodiment below so that the invention will be further described.What be necessary to herein means out is that following examples can not be interpreted as limiting the scope of the invention; if the person skilled in the art in this field makes some nonessential improvement and adjustment according to the invention described above content to the present invention, still belong to scope.
Embodiment 1
1) by weight, take 10 parts, Fenugreek Polysaccharides glue, hexa metaphosphoric acid calcium 2 parts, then add in the aqueous medium of 1200 parts, stir and fully dissolve;
2) add thermal agitation to step 1) gains, heating-up temperature is 80 DEG C, and mixing time is 0.5 h, until in high viscosity mixed liquor, controls the quality of Fenugreek Polysaccharides glue and hexa metaphosphoric acid calcium and accounts for 1% of mixed liquor gross mass, to obtain final product.
Embodiment 2
1) by weight, take 20 parts, Fenugreek Polysaccharides glue, sodium hexametaphosphate 10 parts, then add in the aqueous medium of 3000 parts, stir and fully dissolve;
2) add thermal agitation to step 1) gains, heating-up temperature is 90 DEG C, and mixing time is 0.2 h, until in high viscosity mixed liquor, controls the quality of Fenugreek Polysaccharides glue and sodium hexametaphosphate and accounts for 2% of mixed liquor gross mass, to obtain final product.
Embodiment 3
1) by weight, take 15 parts, Fenugreek Polysaccharides glue, magnesium pyrophosphate 5 parts, then add in 2500 parts of aqueous mediums, stir and fully dissolve;
2) add thermal agitation to step 1) gains, heating-up temperature is 85 DEG C, and mixing time is 0.3 h, until in high viscosity mixed liquor, controls the quality of Fenugreek Polysaccharides glue and magnesium pyrophosphate and accounts for 1.5% of mixed liquor gross mass, to obtain final product.
Embodiment 4
1) by weight, take 13 parts, Fenugreek Polysaccharides glue, magnesium pyrophosphate 8 parts, then add in the aqueous medium of 1500 parts, stir and fully dissolve;
2) add thermal agitation to step 1) gains, heating-up temperature is 85 DEG C, and mixing time is 0.3 h, until in high viscosity mixed liquor, controls the quality of Fenugreek Polysaccharides glue and magnesium pyrophosphate and accounts for 1.5% of mixed liquor gross mass, to obtain final product.
Test example 1
Suppression-the dispersant of embodiment 1 is utilized to carry out flotation to low-grade nickel sulfide ores.
Certain low-grade nickel sulfide ores, gangue mineral is based on talcum, and mineral quantity, up to 30%, is secondly the magnesium silicate mineral such as chlorite, amphibole, olivine, pyroxene.Raw ore nickeliferous 0.79%, containing magnesia 27.1%, when mog accounts for 75% for-200 order content, roughly select the suppression-dispersant 300g/t and corresponding activator, collecting agent, foaming agent that add the embodiment of the present invention 1, one roughing can obtain rough concentrate that is nickeliferous 2.78%, nickel recovery about 81%, nickel rough concentrate is again through triple cleaning, and add the suppression-dispersant 100g/t of embodiments of the invention 1, concentrate nickel grade is increased to 6.5%.One roughing, scan for twice, the flotation closed-circuit test of triple cleaning obtain nickel grade 6.5%, nickel recovery 85%, content of magnesia only 6% nickel ore concentrate.
Comparative experimental example 1
Except replacing with except Fenugreek Polysaccharides glue by suppression-dispersant of the present invention, all the other and test example 1 are completely the same.Result of the test: one roughing, scan for twice, the flotation closed-circuit test of triple cleaning obtains nickel grade 5.5%, nickel recovery 72%, content of magnesia are the nickel ore concentrate of 8%.
Comparative experimental example 2
Except replacing with except sodium hexametaphosphate by suppression-dispersant of the present invention, all the other and test example 1 are completely the same.Result of the test: one roughing, scan for twice, the flotation closed-circuit test of triple cleaning obtains nickel grade 5.0%, nickel recovery 70%, content of magnesia are the nickel ore concentrate of 9.2%.
Comparative experimental example 3
Except replacing with except magnesium pyrophosphate by suppression-dispersant of the present invention, all the other and test example 1 are completely the same.Result of the test: one roughing, scan for twice, the flotation closed-circuit test of triple cleaning obtains nickel grade 5.1%, nickel recovery 69.5%, content of magnesia are the nickel ore concentrate of 9%.
Comparative experimental example 4
Except replacing with except waterglass by suppression-dispersant of the present invention, all the other are consistent with test example 1.When mog accounts for 75% for-200 order content, roughly select and add inhibitor waterglass 1500g/t and corresponding activator, collecting agent, foaming agent, nickel rough concentrate, again through triple cleaning, adds waterglass 500g/t.Final one roughing, scan for twice, the flotation closed-circuit test of triple cleaning obtain nickel grade 5.8%, nickel recovery only 65% nickel ore concentrate, the Selective depression weak effect of waterglass is described, and large usage quantity.
Claims (7)
1. nickel sulfide ore flotation system magnesium silicate gangue suppression-dispersant, is characterized in that: described nickel sulfide ore flotation system magnesium silicate gangue suppression-dispersant, by weight, comprises following component:
10 ~ 20 parts, Fenugreek Polysaccharides glue;
Phosphate 2 ~ 10 parts;
Described phosphate is the one in hexa metaphosphoric acid calcium, sodium hexametaphosphate, magnesium pyrophosphate.
2. nickel sulfide ore flotation system magnesium silicate gangue suppression-dispersant according to claim 1, is characterized in that, described nickel sulfide ore flotation system magnesium silicate gangue suppression-dispersant, by weight, comprises following component:
10 ~ 15 parts, Fenugreek Polysaccharides glue;
Phosphate 5 ~ 10 parts;
Described phosphate is the one in hexa metaphosphoric acid calcium, magnesium pyrophosphate.
3. nickel sulfide ore flotation system magnesium silicate gangue suppression-dispersant according to claim 1, it is characterized in that, described magnesium silicate gangue is at least one in talcum, pyroxene, chlorite, the tremolite.
4. the method for the nickel sulfide ore flotation system magnesium silicate gangue suppression-dispersant of preparation as described in any one of claim 1-3, it is characterized in that, described method comprises the steps:
By weight, take 10 ~ 20 parts, Fenugreek Polysaccharides glue, phosphate 2 ~ 10 parts, then add in the aqueous medium of 1200 ~ 3000 parts, stir and fully dissolve;
Thermal agitation is added to step 1) gains, until in high viscosity mixed liquor, controls Fenugreek Polysaccharides glue and phosphatic quality and account for the 1-2% of mixed liquor gross mass, to obtain final product;
Described phosphate is the one in hexa metaphosphoric acid calcium, sodium hexametaphosphate, magnesium pyrophosphate.
5. method according to claim 4, is characterized in that, described method comprises the steps:
1) by weight, take 10 ~ 15 parts, Fenugreek Polysaccharides glue, phosphate 5 ~ 10 parts, then add in the aqueous medium of 1500 ~ 2500 parts, stir and fully dissolve;
2) thermal agitation is added to step 1) gains, until in high viscosity mixed liquor, control Fenugreek Polysaccharides glue and phosphatic quality and account for the 1-2% of mixed liquor gross mass, to obtain final product;
Described phosphate is the one in hexa metaphosphoric acid calcium, magnesium pyrophosphate.
6. method according to claim 4, is characterized in that, described step 2) in, heating-up temperature is 80-90 DEG C, and mixing time is 0.2-0.5 h.
7. method according to claim 5, is characterized in that, described step 2) in, heating-up temperature is 80-90 DEG C, and mixing time is 0.2-0.5 h.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510156459.5A CN104785376B (en) | 2015-04-03 | 2015-04-03 | Nickel sulfide ore flotation inhibiting-dispersing agent and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510156459.5A CN104785376B (en) | 2015-04-03 | 2015-04-03 | Nickel sulfide ore flotation inhibiting-dispersing agent and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104785376A true CN104785376A (en) | 2015-07-22 |
CN104785376B CN104785376B (en) | 2017-09-12 |
Family
ID=53550830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510156459.5A Expired - Fee Related CN104785376B (en) | 2015-04-03 | 2015-04-03 | Nickel sulfide ore flotation inhibiting-dispersing agent and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104785376B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105344494A (en) * | 2015-12-08 | 2016-02-24 | 中南大学 | Beneficiation method for low-grade copper sulphide ore with low alkalinity |
CN106391326A (en) * | 2016-10-27 | 2017-02-15 | 江西理工大学 | Method for separating chalcopyrite from talc with tragacanth |
CN106824548A (en) * | 2017-02-27 | 2017-06-13 | 中国地质科学院矿产综合利用研究所 | Flotation dispersing agent suitable for high-talc-content copper-nickel sulfide ore and preparation method thereof |
CN113477408A (en) * | 2021-07-21 | 2021-10-08 | 东北大学 | Application of curdlan serving as inhibitor in iron ore reverse flotation in mineral processing field and application method |
CN115318446A (en) * | 2022-08-05 | 2022-11-11 | 中国地质科学院矿产综合利用研究所 | Flotation reagent system for refractory low-grade nickel-cobalt sulfide ore and application thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103301947A (en) * | 2013-06-28 | 2013-09-18 | 中南大学 | Beneficiation method for copper sulfide nickel ore with serpentines |
CN104084314A (en) * | 2014-07-03 | 2014-10-08 | 四川省地质矿产勘查开发局成都综合岩矿测试中心 | Gangue inhibitor for flotation of high-magnesium and low-nickel polymetallic ores |
CA2880395A1 (en) * | 2014-01-31 | 2015-03-23 | Marcus Tomlinson | Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate |
CN104437889A (en) * | 2014-12-09 | 2015-03-25 | 鞍钢集团矿业公司 | Hematite anti-floatation depressor |
-
2015
- 2015-04-03 CN CN201510156459.5A patent/CN104785376B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103301947A (en) * | 2013-06-28 | 2013-09-18 | 中南大学 | Beneficiation method for copper sulfide nickel ore with serpentines |
CA2880395A1 (en) * | 2014-01-31 | 2015-03-23 | Marcus Tomlinson | Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate |
CN104084314A (en) * | 2014-07-03 | 2014-10-08 | 四川省地质矿产勘查开发局成都综合岩矿测试中心 | Gangue inhibitor for flotation of high-magnesium and low-nickel polymetallic ores |
CN104437889A (en) * | 2014-12-09 | 2015-03-25 | 鞍钢集团矿业公司 | Hematite anti-floatation depressor |
Non-Patent Citations (3)
Title |
---|
P·G·肖特里奇 等: "多糖抑制剂的化学成份和分子量对滑石浮选的影响", 《国外金属矿选矿》 * |
S·R·卡伍德 等: "确定多糖在滑石上的吸附是否为可逆过程的一个简单方法", 《国外金属矿选矿》 * |
罗彤彤: "半乳甘露聚糖植物胶在选矿上的应用", 《铜业工程》 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105344494A (en) * | 2015-12-08 | 2016-02-24 | 中南大学 | Beneficiation method for low-grade copper sulphide ore with low alkalinity |
CN105344494B (en) * | 2015-12-08 | 2018-01-16 | 中南大学 | The beneficiation method of low-grade copper sulfide ores under a kind of low alkalinity |
CN106391326A (en) * | 2016-10-27 | 2017-02-15 | 江西理工大学 | Method for separating chalcopyrite from talc with tragacanth |
CN106824548A (en) * | 2017-02-27 | 2017-06-13 | 中国地质科学院矿产综合利用研究所 | Flotation dispersing agent suitable for high-talc-content copper-nickel sulfide ore and preparation method thereof |
CN106824548B (en) * | 2017-02-27 | 2020-07-10 | 中国地质科学院矿产综合利用研究所 | Flotation dispersing agent suitable for high-talc-content copper-nickel sulfide ore and preparation method thereof |
CN113477408A (en) * | 2021-07-21 | 2021-10-08 | 东北大学 | Application of curdlan serving as inhibitor in iron ore reverse flotation in mineral processing field and application method |
CN115318446A (en) * | 2022-08-05 | 2022-11-11 | 中国地质科学院矿产综合利用研究所 | Flotation reagent system for refractory low-grade nickel-cobalt sulfide ore and application thereof |
Also Published As
Publication number | Publication date |
---|---|
CN104785376B (en) | 2017-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104785376A (en) | Nickel sulfide ore flotation inhibiting-dispersing agent and preparation method thereof | |
CN103357509B (en) | Reverse flotation collecting agent of cellophane and preparation method thereof | |
CN104529562A (en) | Method used for preparing potash magnesium sulphate fertilizer and potassium chloride fertilizer from carnallite | |
CN102513221A (en) | Carbonate phosphorite reverse flotation combined collecting agent and preparation method thereof | |
CN103909017A (en) | Flotation process for silicon-calcium mixed collophanite containing organic carbon | |
CN101293226B (en) | Inverse floatation collecting agent for carbonate phosphorus ore | |
CN103965759B (en) | A kind of leather composite paint and preparation method thereof | |
CN104069952B (en) | The inhibitor of gangue mineral and application thereof in a kind of graphite ore | |
CN104437889A (en) | Hematite anti-floatation depressor | |
CN103831171A (en) | Phosphorite flotation collector and preparation method thereof | |
CN103374158B (en) | A kind of Anticorrosion cable sheath material and preparation method thereof | |
CN104785377A (en) | Preparation method for tennantite inhibitor | |
CN105195334B (en) | Magnesium-rich silicate mineral flotation inhibitor and preparation method and application thereof | |
CN105331381A (en) | Coal blending method for coking | |
CN104804716A (en) | Well-cementing and anti-channeling nonionic styrene-butadiene latex and preparation method thereof | |
CN102827296A (en) | Method for producing compound modified starch | |
CN102899007A (en) | High-temperature resistant viscosity reducer for drilling fluids and preparation method for viscosity reducer | |
CN103601811A (en) | Method for causticizing corn starch | |
CN105001933A (en) | Environmentally-friendly sulfur fixation coal binder prepared from causticized lime mud | |
CN106733215B (en) | A kind of preparation method of scheelite inhibitor | |
CN104529230B (en) | A kind of slag micropowder Vertical Mill liquid additive and preparation method thereof | |
CN102766447B (en) | Oil well cement efficient spacer fluid and using method thereof | |
CN109694111B (en) | Flash evaporation salt separation process for high COD (chemical oxygen demand) and nitrate mother liquor | |
CN106540814B (en) | A kind of preparation method of mispickel inhibitor | |
CN104624383A (en) | Hematite reverse flotation inhibitor and preparation and use method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20190403 |
|
CF01 | Termination of patent right due to non-payment of annual fee |