CN101844110B - Sulfide ore flotation layered silicate mineral inhibitor - Google Patents
Sulfide ore flotation layered silicate mineral inhibitor Download PDFInfo
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- CN101844110B CN101844110B CN2010101980831A CN201010198083A CN101844110B CN 101844110 B CN101844110 B CN 101844110B CN 2010101980831 A CN2010101980831 A CN 2010101980831A CN 201010198083 A CN201010198083 A CN 201010198083A CN 101844110 B CN101844110 B CN 101844110B
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Abstract
A sulfide ore flotation layered silicate mineral inhibitor is prepared from the following components in parts by weight: 0-20 parts of modified corn starch, 8-30 parts of sodium alginate, 1-35 parts of carboxymethyl cellulose or polyanionic cellulose or methylene dinaphthalene sulfonate and 5-55 parts of sodium hexametaphosphate. The preparation process comprises the following steps: the reagent is selected according to the type of the mineral to be inhibited, and is added into a high-speed mixing granulator according to a set proportion for granulation, and then drying is carried out, thus obtaining the specific inhibitor for the sulfide ore flotation phyllosilicate mineral. The product of the invention has the characteristics of small dosage, good inhibition selectivity, low toxicity and the like. The specific inhibitor is mainly applied to inhibiting layered silicate minerals such as talc, serpentine, chlorite, kaolinite and the like during sulfide ore flotation, is favorable for improving the flotation concentrate grade and the metal recovery rate, and is particularly suitable for flotation of talc-containing molybdenite and nickel sulfide minerals.
Description
Technical field
The invention belongs to the technique of preparing field, be specifically related to a kind of phyllosilicate mineral depressor for sulfide ore floatation and preparation method thereof.
Background technology
Containing talcum, chlorite molybdenum ore, contain in the flotation of serpentine nickel sulfide mineral, owing to affected by the layer silicate minerals such as talcum, serpentine, chlorite, muscovite, biotite, pyrophillite, kaolinite, molybdenite and the flotation of nickel sulfide mineral are subject to very big impact, the beneficiation reagent consumption is large; sorting index is low; impurity content exceeding index in the concentrate, and the selective inhibition such as conventional waterglass, calgon and tannic acid, sodium lignin sulfonate, carboxymethyl cellulose, humic acid, tannin extract is relatively poor.
Summary of the invention
The object of the invention is to study a kind of inhibitor of novel sulfide flotation layer silicate mineral, the selective layer silicate mineral that suppresses reaches dosing low in sulfide flotation, and suppression efficiency is high, and sorting index is good.
For achieving the above object, the technical solution used in the present invention is as follows:
Phyllosilicate mineral depressor for sulfide ore floatation of the present invention, it is to be made by the component of following weight parts:
Modified corn starch 0～20
Sodium alginate 8～30
Carboxymethyl cellulose or polyanion cellulose or di-2-ethylhexylphosphine oxide naphthalene sulfonate 1～35
Calgon=5～55.
For the nickel sulfide ores that contains the gangues such as snake mosquito stone, talcum, mica, the optimization formula of phyllosilicate mineral depressor for sulfide ore floatation is:
Modified corn starch 5～15
Sodium alginate 15～25
Carboxymethyl cellulose or polyanion cellulose or di-2-ethylhexylphosphine oxide naphthalene sulfonate 5～20
Calgon=10～45.
For talcose molybdenum sulfide ore, the optimization formula of phyllosilicate mineral depressor for sulfide ore floatation is:
Sodium alginate 15～30
Carboxymethyl cellulose or polyanion cellulose or di-2-ethylhexylphosphine oxide naphthalene sulfonate 5～35
Calgon=10～55.
The preparation method of phyllosilicate mineral depressor for sulfide ore floatation of the present invention; each material is added mixing in the high-speed mixing granulating machine, granulation, then dry according to the above ratio; the reagent particle size range is 0.5～1mm; the drying box temperature is controlled at 80～130 ℃; be about 2 hours drying time; product moisture namely gets phyllosilicate mineral depressor for sulfide ore floatation of the present invention less than 5%.
Sulfide flotation layer silicate mineral special effect inhibitor of the present invention has following feature: consumption is little, selectively good during mineral floating, especially is suitable for containing talcum molybdenite and the flotation of nickel sulfide mineral.Ore grinding makes mineral reach basic monomer to dissociate during flotation, the adjustment slurry pH is 6-10, then add the specific special effect inhibitor of component according to ore laminate silicate gangue mineral content, also can add simultaneously other inhibitor strong agitation commonly used such as waterglass, prodan 3-15 minute, add again collecting agent, foaming agent carries out flotation.
The specific embodiment
Below in conjunction with embodiment the present invention is elaborated, but and do not limit the present invention in any way.
Embodiment 1
Get esterification modification cornstarch 9kg, sodium alginate 15kg, di-2-ethylhexylphosphine oxide naphthalene sulfonate 11kg, calgon 25kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry; namely get sulfide flotation layer silicate mineral special effect inhibitor of the present invention, its characteristics are especially to be fit to contain the nickel sulfide ores of the gangues such as snake mosquito stone, talcum, mica.
Embodiment 2
Get sodium alginate 2.5kg, di-2-ethylhexylphosphine oxide naphthalene sulfonate 3.2kg, calgon 4.3kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry; namely get sulfide flotation layer silicate mineral special effect inhibitor of the present invention, its characteristics are especially to be fit to talcose molybdenum sulfide ore.
Embodiment 3
Get esterification modification cornstarch 8kg, sodium alginate 14kg, carboxymethyl cellulose 8kg, calgon 25kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry; namely get sulfide flotation layer silicate mineral special effect inhibitor of the present invention, its characteristics are especially to be fit to contain the nickel sulfide ores of the gangues such as snake mosquito stone, talcum, mica.
Embodiment 4
Get esterification modification cornstarch 5kg, sodium alginate 13kg, carboxymethyl cellulose 10kg, calgon 23kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry; namely get sulfide flotation layer silicate mineral special effect inhibitor of the present invention, its characteristics are especially to be fit to contain the nickel sulfide ores of the gangues such as snake mosquito stone, talcum, mica.
Embodiment 5
Get esterification modification cornstarch 8kg, sodium alginate 10kg, di-2-ethylhexylphosphine oxide naphthalene sulfonate 20kg, calgon 22kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry; namely get sulfide flotation layer silicate mineral special effect inhibitor of the present invention, its characteristics are especially to be fit to contain the nickel sulfide ores of the gangues such as snake mosquito stone, talcum, mica.
Embodiment 6
Get esterification modification cornstarch 7kg, sodium alginate 12kg, polyanion cellulose 10kg, calgon 20kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry; namely get sulfide flotation layer silicate mineral special effect inhibitor of the present invention, its characteristics are especially to be fit to contain the nickel sulfide ores of the gangues such as snake mosquito stone, talcum, mica.
Embodiment 7
Get esterification modification cornstarch 10kg, sodium alginate 16kg, polyanion cellulose 12kg, calgon 30kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry; namely get sulfide flotation layer silicate mineral special effect inhibitor of the present invention, its characteristics are especially to be fit to contain the nickel sulfide ores of the gangues such as snake mosquito stone, talcum, mica.
Embodiment 8
Get sodium alginate 12kg, di-2-ethylhexylphosphine oxide naphthalene sulfonate 19kg, calgon 31kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry; namely get sulfide flotation layer silicate mineral special effect inhibitor of the present invention, its characteristics are especially to be fit to talcose molybdenum sulfide ore.
Embodiment 9
Get sodium alginate 13kg, polyanion cellulose 16kg, calgon 36kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry, namely gets sulfide flotation layer silicate mineral special effect inhibitor of the present invention, and its characteristics are especially to be fit to talcose molybdenum sulfide ore.
Embodiment 10
Get sodium alginate 15kg, carboxymethyl cellulose 15kg, calgon 20kg; add mixing, granulation in the high-speed mixing granulating machine; drying box is dry, namely gets sulfide flotation layer silicate mineral special effect inhibitor of the present invention, and its characteristics are especially to be fit to talcose molybdenum sulfide ore.
Application example of the present invention
Application example 1
Certain low grade copper-nickel sulphide ores stone, main gangue mineral is serpentine, chlorite, talcum, sericite, the tremolite, raw ore nickeliferous 0.159%, when mog accounts for 70% for-200 orders, roughly select adding inhibitor 550g/t of the present invention and corresponding collecting agent, foaming agent, can obtain nickeliferous 3.35% rough concentrate, the nickel rough concentrate is again through triple cleaning, add inhibitor 50g/t of the present invention, can obtain the nickel ore concentrate grade is 6.05%, and the nickel overall recovery is 68.05%.
Application example 2
Certain contains the talcum molybdenite, raw ore contains molybdenum 0.17%, contains talcum 15%, raw ore is milled to-200 orders 70%, adopt conventional ore-dressing technique floatation process effectively not control, and adopt following technological process flotation, adjusting slurry pH is 8.5, then adds inhibitor 500g/t of the present invention, strong agitation 3-15 minute, then add collecting agent, foaming agent carries out flotation, can obtain molybdenum rough concentrate grade 3.3%, the rate of recovery 85% through one roughing; If it is 3.5% through one roughing primary cleaning molybdenum concentrate grade that contrast test does not add special effect inhibitor of the present invention, the rate of recovery 71%.
Application example 3
Certain particulate contains talcum, chlorite molybdenite rough concentrate, the milling ore fineness is-200 orders 80%, contain molybdenum 1.3%, through an ore grinding, make product fineness reach-325 orders 85%, selected by six times, secondary fine is scanned, add altogether 40g/t of special effect inhibitor of the present invention in secondary, four times are selected, can obtain molybdenum concentrate grade greater than 46%, the rate of recovery is greater than 95%.Do not adopt conventional gangue mineral inhibitor if contrast test does not add this special effect inhibitor, molybdenum concentrate grade is 25%, the molybdenum rate of recovery 82%.
Claims (3)
1. phyllosilicate mineral depressor for sulfide ore floatation, it is characterized in that: it is to be made by the component of following weight parts:
Modified corn starch 0～20
Sodium alginate 8～30
Carboxymethyl cellulose or polyanion cellulose or di-2-ethylhexylphosphine oxide naphthalene sulfonate 1～35
Calgon 5～55;
Its preparation method is as follows: add according to the above ratio each material in the high-speed mixing granulating machine; mixing, granulation; then dry; the reagent particle size range is 0.5～1mm; baking temperature is controlled at 80～130 ℃; drying time is 1.8～2.2 hours, and product moisture namely gets phyllosilicate mineral depressor for sulfide ore floatation less than 5%.
2. phyllosilicate mineral depressor for sulfide ore floatation according to claim 1, it is characterized in that: it is to be made by the component of following weight parts:
Modified corn starch 5～15
Sodium alginate 15～25
Carboxymethyl cellulose or polyanion cellulose or di-2-ethylhexylphosphine oxide naphthalene sulfonate 5～20
Calgon 10～45.
3. phyllosilicate mineral depressor for sulfide ore floatation according to claim 1, it is characterized in that: it is to be made by the component of following weight parts:
Sodium alginate 15～30
Carboxymethyl cellulose or polyanion cellulose or di-2-ethylhexylphosphine oxide naphthalene sulfonate 5～35
Calgon 10～55.
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| CN2010101980831A CN101844110B (en) | 2010-06-11 | 2010-06-11 | Sulfide ore flotation layered silicate mineral inhibitor |
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| CN2010101980831A CN101844110B (en) | 2010-06-11 | 2010-06-11 | Sulfide ore flotation layered silicate mineral inhibitor |
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| CN101844110A CN101844110A (en) | 2010-09-29 |
| CN101844110B true CN101844110B (en) | 2013-01-09 |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489408B (en) * | 2011-12-19 | 2013-04-10 | 湖南有色金属研究院 | Flotation method for separating copper form mica |
| CN102671772A (en) * | 2012-05-29 | 2012-09-19 | 中国地质科学院矿产综合利用研究所 | Dispersion inhibitor for copper-containing waste rock flotation, and preparation method and application thereof |
| CN102716812A (en) * | 2012-06-11 | 2012-10-10 | 陕西煎茶岭镍业有限公司 | Combined inhibitor used for flotation of low-grade nickel ore with high content of sliding magnesium rock |
| CN102814236A (en) * | 2012-08-03 | 2012-12-12 | 西北矿冶研究院 | Low-grade copper-nickel sulfide ore gangue regulator |
| CN103861741A (en) * | 2012-12-14 | 2014-06-18 | 北京矿冶研究总院 | Carbonaceous mineral depressor and method for floating polymetallic sulfide ore |
| CN103008113B (en) * | 2013-01-07 | 2014-10-29 | 湖南有色金属研究院 | Copper sulfide mineral and talc flotation separation method |
| CN105344488B (en) * | 2015-11-19 | 2018-08-03 | 中国地质科学院郑州矿产综合利用研究所 | Novel inhibitor for aluminosilicate minerals and application method thereof |
| CN105665149B (en) * | 2016-01-15 | 2018-04-20 | 中南大学 | A kind of preparation method and applications of non-molybdenum sulphide mineral flotation inhibitor |
| CN106076656B (en) * | 2016-08-12 | 2019-10-18 | 郑州大学 | A kind of modified carboxy methyl cellulose base mineral floating inhibitor, preparation method and its application method |
| CN108855627A (en) * | 2018-05-18 | 2018-11-23 | 中蓝长化工程科技有限公司 | The composite restrainer and method of iron-bearing mineral in a kind of inhibition Collophanite flotation |
| CN108906335A (en) * | 2018-07-04 | 2018-11-30 | 中南大学 | A kind of layer silicate mineral composite restrainer and its application |
| CN109909056B (en) * | 2019-02-21 | 2020-06-16 | 中国地质科学院矿产综合利用研究所 | Flotation process for complex refractory sulphide ore associated with silicon/aluminum |
| CN111266194B (en) * | 2020-02-14 | 2021-05-14 | 中南大学 | Composite flotation reagent and method for flotation separation of molybdenite and talc |
| CN111515026B (en) * | 2020-05-12 | 2022-07-19 | 江西铜业集团有限公司 | Method for recovering micro-fine particle pyrite from sulfur-containing slime tailings |
| CN113680536B (en) * | 2021-08-30 | 2022-09-09 | 东北大学 | High-carbonate iron ore composite modified inhibitor and preparation and use methods thereof |
| CN113926591B (en) * | 2021-08-30 | 2023-02-03 | 东北大学 | Multi-efficiency novel reverse flotation inhibitor for iron ore and synthesis and use methods thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA1287415C (en) * | 1986-09-05 | 1991-08-06 | Srdjan Bulatovic | Beryllium flotation process |
| BR9609098A (en) * | 1995-06-07 | 1999-02-02 | Cytec Tech Corp | Process comprising the processing of valuable sulfide minerals from ores with selective rejection of silicate gangue non-sulfide minerals |
| RU2209687C2 (en) * | 2001-08-14 | 2003-08-10 | Закрытое акционерное общество "Полицелл" - Дочернее общество Открытого акционерного общества "Полимерсинтез" | Reagent-depressor for floatation of ores of ferrous metals and method of production of this reagent |
| CN101224441B (en) * | 2007-01-18 | 2012-03-28 | 中国地质科学院郑州矿产综合利用研究所 | Molybdenum-tungsten oxide ore dressing process |
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