CN105344487B - Regulator for bauxite direct flotation and using method thereof - Google Patents
Regulator for bauxite direct flotation and using method thereof Download PDFInfo
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- CN105344487B CN105344487B CN201510798940.4A CN201510798940A CN105344487B CN 105344487 B CN105344487 B CN 105344487B CN 201510798940 A CN201510798940 A CN 201510798940A CN 105344487 B CN105344487 B CN 105344487B
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- regulator
- bauxite
- flotation
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- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 47
- 238000005188 flotation Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 claims abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 238000003801 milling Methods 0.000 claims description 4
- BDJWAIRNDDBNES-UHFFFAOYSA-N [Na].P(=O)(O)OP(=O)O.OC=C Chemical compound [Na].P(=O)(O)OP(=O)O.OC=C BDJWAIRNDDBNES-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- GFEYTYKRXGPQJN-UHFFFAOYSA-N [K].OCC(P(O)(O)=O)P(O)(O)=O Chemical group [K].OCC(P(O)(O)=O)P(O)(O)=O GFEYTYKRXGPQJN-UHFFFAOYSA-N 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 12
- 239000011707 mineral Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 150000002500 ions Chemical class 0.000 abstract description 8
- 230000005764 inhibitory process Effects 0.000 abstract 2
- IMPJIGYFRNDTFT-UHFFFAOYSA-N P1(=O)OC(CO)OP(O1)=O.[Na] Chemical compound P1(=O)OC(CO)OP(O1)=O.[Na] IMPJIGYFRNDTFT-UHFFFAOYSA-N 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 abstract 1
- RQNVGUOKYSZUJN-UHFFFAOYSA-N [K].P1(=O)OC(CO)OP(O1)=O Chemical group [K].P1(=O)OC(CO)OP(O1)=O RQNVGUOKYSZUJN-UHFFFAOYSA-N 0.000 abstract 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229910001648 diaspore Inorganic materials 0.000 description 10
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 7
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 7
- 230000008030 elimination Effects 0.000 description 5
- 238000003379 elimination reaction Methods 0.000 description 5
- 230000002401 inhibitory effect Effects 0.000 description 5
- 239000005995 Aluminium silicate Substances 0.000 description 4
- 235000012211 aluminium silicate Nutrition 0.000 description 4
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 4
- 229910000323 aluminium silicate Inorganic materials 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- TVHALOSDPLTTSR-UHFFFAOYSA-H hexasodium;[oxido-[oxido(phosphonatooxy)phosphoryl]oxyphosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O TVHALOSDPLTTSR-UHFFFAOYSA-H 0.000 description 2
- 229910052900 illite Inorganic materials 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- OGSPWJRAVKPPFI-UHFFFAOYSA-N Alendronic Acid Chemical compound NCCCC(O)(P(O)(O)=O)P(O)(O)=O OGSPWJRAVKPPFI-UHFFFAOYSA-N 0.000 description 1
- 238000004131 Bayer process Methods 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- UXZTTXYFUOYMTO-UHFFFAOYSA-N [K].P(=O)(O)OP(=O)O.OC=C Chemical group [K].P(=O)(O)OP(=O)O.OC=C UXZTTXYFUOYMTO-UHFFFAOYSA-N 0.000 description 1
- 229940062527 alendronate Drugs 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000021321 essential mineral Nutrition 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- -1 pyrophillite Chemical compound 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical group [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- 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
- B03D1/004—Organic compounds
- B03D1/014—Organic compounds containing phosphorus
-
- 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
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses a regulator for bauxite direct flotation and a using method thereof. The regulator of the invention is a modified phosphate, and the main component is potassium hydroxyethylidene diphosphonate or sodium hydroxyethylidene diphosphonate. The using method comprises the following steps: when the bauxite direct flotation is carried out, the bauxite grinding product with the aluminum-silicon ratio of 3-5 has the granularity property of minus 0.074mm and accounts for 80-90%, the pH value of a flotation system is controlled to be 9-11, sodium oleate is used as a collecting agent, the using amount is 500-1200g/t, and the using amount of the regulator is 60-70 g/t. The application of the invention in the bauxite direct flotation desilication process can enhance the selective inhibition effect on the silicon-containing minerals and enhance the inhibition effect on the inevitable ions (Ca)2+、Mg2+Etc.) and improving the effect of direct flotation of bauxite.
Description
Technical field
It is more particularly to a kind of to be used for bauxite forward flotation regulator and its use the present invention relates to Mineral Processing Engineering field
Method, belongs to comprehensive utilization of resources engineering.
Background technology
China's bauxite resource belongs to diaspore type bauxite mostly, and wherein alumina silica ratio is more than 7 high-quality bauxite
Ratio is seldom, and more than 80% diaspore type bauxite alumina silica ratio is both less than 7, and the bauxite of alumina silica ratio 3-5 accounts for absolutely greatly
Part.This part resource must carry out desiliconization, enrichment and upgrading by beneficiation method, alumina silica ratio is more than 7, so as to meet stone
The Minimum requirements of ash-Bayer process.Floatation is the main method of ore dressing and desiliconizing, and direct flotation is undoubtedly current most successful one
Kind bauxite floating method.During bauxite forward flotation, according to the essential mineral compositing characteristic of diaspore type bauxite, use
Sodium carbonate is as pH values of pulp regulator, using the adjustment as aluminium silicate mineral such as waterglass, calgon, Quadrafos
Agent, using oxidized paraffin wax soap or enuatrol as collecting agent, the diaspore in ore and rich intergrowth is selected, so that real
The flotation desilication of existing bauxite.
During bauxite forward flotation, the selective depression and ore pulp of the siliceous mineral such as kaolinite, pyrophillite, illite
The elimination of middle unavoidable ion will play decisive role to the direct flotation of bauxite.The effect of regulator is efficiently to suppress siliceous ore deposit
Thing and elimination unavoidable ion influence, while diaspore are not caused to suppress again.
At present, waterglass, calgon, Quadrafos etc. mainly are used as siliceous mineral in bauxite forward flotation
Regulator, these regulators may also function as the effect with unavoidable ion reaction at the same time.But the major defect of these regulators is：
Dosage is larger, also there is inhibitory action to diaspore, particularly under the conditions of big dosage, often to the suppression of diaspore
It is relatively strong, so that the decline of the Al2O3 rate of recovery is caused, while elimination of the regulator such as calgon to unavoidable ion in ore pulp is
Completed by complexing, generally require to consume substantial amounts of calgon, effect is also general, so as to cause direct flotation effect
Generally.
The content of the invention
In order to overcome disadvantages described above, the present invention provides one kind and is used for bauxite forward flotation regulator and its application method, will
The present invention is applied in bauxite direct-flotation desiliconisation technique, can strengthen the selective inhibitory to siliceous mineral, strengthen at the same time
To unavoidable ion（Ca2+、Mg2+Deng）Elimination ability, improve the effect of bauxite forward flotation.
In order to achieve the above object, the technical solution adopted in the present invention is：One kind is used for bauxite forward flotation regulator, it
It is a kind of modified phosphate, main component is hydroxy ethylene diphosphonic acid potassium or hydroxy ethylene diphosphonic acid sodium, its structural formula
For：
Or。
A kind of application method for bauxite forward flotation regulator, when carrying out bauxite forward flotation, the aluminium of alumina silica ratio 3-5
Native ore deposit ore milling product particle size properties account for 80-90% for -0.074mm grades, and the pH value control of flotation system is in 9-11, with enuatrol
As collecting agent, dosage 500-1200g/t, the regulator dosage is 60-70g/t.
Further, when regulator dosage is 60g/t, for the bauxite of alumina silica ratio 4-5, product granularity property for-
0.074mm grades account for 80%-85%, and the basicity control of flotation system is pH=10-11, and using enuatrol as collecting agent, dosage is in 800-
1200g/t。
Further, a kind of dosage of regulator for diaspore type bauxite direct flotation is 60g/t.
Further, the pH value of the flotation system is 10.
Further, the dosage of the collecting agent enuatrol is 700g/t.
Beneficial effects of the present invention：1st, the present invention is a kind of is used for bauxite forward flotation regulator, a kind of modified phosphate, its
Contain multiple modified phosphate foundation groups in the molecular structure of main component.New regulator sodium phosphate（Potassium）Functional group to be multiple
Modified phosphate root functional group, its dissolubility is extremely strong, the transparent yellow liquid of appearance, after it is modified by organic composite, phosphoric acid
The Molecular Geometries of root changes, and so as to which chelation occurs with aluminium silicate mineral surface, greatly enhances selection
Property inhibitory action, and it is then general to the inhibitory action of diaspore；
Aluminium silicate mineral in bauxite is suppressed using the present invention, can be effective by efficiently chelating inhibitory action
The aluminium silicate minerals such as selective depression kaolinite, illite, pyrophillite, at the same can efficiently eliminate in ore pulp it is inevitable sun from
Influence of the son to flotation effect, promotion diaspore and siliceous mineral efficiently separate.
2 at the same its molecular structure in contain multiple modified phosphate root functional groups, these functional groups can directly with Ca2+, Mg2
+ wait cation to react, the elimination ability to unavoidable ion in ore pulp is considerably increased, the shadow of unavoidable ion can be effectively eliminated
Ring, so as to improve the effect of bauxite forward flotation.
3rd, to the bauxite of alumina silica ratio 3-5 or so, in the case where other process conditions are identical, after applying the present invention, with
Conventional regulator calgon is compared, and can improve concentrate alumina silica ratio 1-2, improves Al2O3Rate of recovery 10-20%.
Embodiment
In order to make those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this
Invention is described in detail, and the description of this part is only exemplary and explanatory, should not be had to protection scope of the present invention any
Restriction effect.
Example 1：
One kind is used for bauxite forward flotation regulator, it is a kind of modified phosphate, and main component is hydroxy ethylene two
Phosphonic acids potassium, its structural formula are：
Henan little Guan mining areas bauxite, sample ore component are shown in Table 1.
1 raw ore chemistry multielement analysis of table
| Element | Al2O3 | SiO2 | Fe2O3 | TiO2 | CaO | MgO | K2O | Na2O | S | A/S |
| Content（%） | 58.85 | 11.79 | 10.86 | 2.65 | 0.68 | 0.29 | 1.34 | 0.078 | 0.22 | 4.99 |
Direct floatation process system is：Bauxite Milling product granularity property accounts for 85% for -0.074mm grades, flotation system
Basicity control is pH=10, and using enuatrol as collecting agent, dosage is in 500-800g/t, and regulator dosage is 60g/t, beneficiation flowsheet
For one roughing open circuit flow.2 are shown in Table by contrast, result of the test of conventional regulator calgon.
2 regulator comparative test result of table
Result of the test shows that special efficacy regulator using the present invention, can significantly strengthen the selectivity suppression to siliceous mineral
Make and use, lift floatation process index, the alumina silica ratio of rough concentrate brings up to 8.41 from 8.29, and alumina recovery rate is carried from 53.12%
It is high to 78.62%.
Embodiment 2：
One kind is used for bauxite forward flotation regulator, it is a kind of modified phosphate, and main component is hydroxy ethylene two
Alendronate, its structural formula are：
。
Henan little Guan mining areas bauxite, sample ore component are shown in Table 1.
Direct floatation process system is：Bauxite Milling product granularity property accounts for 85% for -0.074mm grades, flotation system
Basicity control is pH=9, and using enuatrol as collecting agent, dosage is in 700-1100g/t, and regulator dosage is 70g/t, beneficiation flowsheet
For one roughing open circuit flow.2 are shown in Table by contrast, result of the test of conventional regulator calgon.
2 regulator comparative test result of table
Result of the test shows that special efficacy regulator using the present invention, can significantly strengthen the selectivity suppression to siliceous mineral
Make and use, lift floatation process index, the alumina silica ratio of rough concentrate brings up to 8.51 from 8.09, and alumina recovery rate is carried from 52.12%
It is high to 79.62%.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And other elements that are not explicitly listed are further included, or further include as this process, method, article or equipment institute inherently
Key element.
Specific case used herein is set forth the principle of the present invention and embodiment, the explanation of above example
It is only intended to help the method and its core concept for understanding the present invention.The above is only the preferred embodiment of the present invention, should
When pointing out, due to the finiteness of literal expression, and objectively there are unlimited concrete structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, some improvement, retouching or change can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined by rights；These improve retouching, change or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, be regarded as protection scope of the present invention.
Claims (6)
1. one kind is used for bauxite forward flotation regulator, it is characterised in that：It is a kind of modified phosphate, and main component is hydroxyl
Ethylidene diphosphonic acid potassium or hydroxy ethylene diphosphonic acid sodium, its structural formula are：
Or。
A kind of 2. application method as claimed in claim 1 for being used for bauxite forward flotation regulator, it is characterised in that：Carry out aluminium
During native ore deposit direct flotation, the bauxite Milling product granularity property of alumina silica ratio 3-5 accounts for 80-90%, flotation system for -0.074mm grades
PH value control in 9-11, using enuatrol as collecting agent, dosage 500-1200g/t, the regulator dosage is 60-
70g/t。
3. the application method according to claim 2 for bauxite forward flotation regulator, it is characterised in that regulator is used
Measure for 60g/t when, for the bauxite of alumina silica ratio 4-5, product granularity property accounts for 80%-85%, flotation body for -0.074mm grades
The basicity control of system is pH=10-11, and using enuatrol as collecting agent, dosage is in 800-1200g/t.
4. the application method according to claim 2 for bauxite forward flotation regulator, it is characterised in that：The use
In the dosage of bauxite forward flotation regulator be 60g/t.
5. the application method according to claim 2 for bauxite forward flotation regulator, it is characterised in that：Described is floating
The pH value for selecting system is 10.
6. the application method according to claim 2 for bauxite forward flotation regulator, it is characterised in that：Described catches
The dosage for receiving agent enuatrol is 700g/t.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510798940.4A CN105344487B (en) | 2015-11-19 | 2015-11-19 | Regulator for bauxite direct flotation and using method thereof |
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|---|---|---|---|
| CN201510798940.4A CN105344487B (en) | 2015-11-19 | 2015-11-19 | Regulator for bauxite direct flotation and using method thereof |
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| CN105344487A CN105344487A (en) | 2016-02-24 |
| CN105344487B true CN105344487B (en) | 2018-05-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565625A (en) * | 1984-09-14 | 1986-01-21 | Tennessee Valley Authority | Beneficiation of phosphate ores containing surface activated silica |
| CN1530173A (en) * | 2003-03-10 | 2004-09-22 | 中国地质科学院郑州矿产综合利用研究 | Beneficiation method for medium-low grade bauxite |
| CN102675362A (en) * | 2011-05-06 | 2012-09-19 | 江苏大明科技有限公司 | Preparation process of hydroxylethylidene diphosphonic acid (HEDP) |
| CN103480497A (en) * | 2013-09-25 | 2014-01-01 | 中国地质科学院郑州矿产综合利用研究所 | Combined collector for direct flotation of diasporic bauxite and using method thereof |
| CN104174484A (en) * | 2014-07-14 | 2014-12-03 | 高旭 | Desiliconization processing method for bauxite flotation tailings |
-
2015
- 2015-11-19 CN CN201510798940.4A patent/CN105344487B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565625A (en) * | 1984-09-14 | 1986-01-21 | Tennessee Valley Authority | Beneficiation of phosphate ores containing surface activated silica |
| CN1530173A (en) * | 2003-03-10 | 2004-09-22 | 中国地质科学院郑州矿产综合利用研究 | Beneficiation method for medium-low grade bauxite |
| CN102675362A (en) * | 2011-05-06 | 2012-09-19 | 江苏大明科技有限公司 | Preparation process of hydroxylethylidene diphosphonic acid (HEDP) |
| CN103480497A (en) * | 2013-09-25 | 2014-01-01 | 中国地质科学院郑州矿产综合利用研究所 | Combined collector for direct flotation of diasporic bauxite and using method thereof |
| CN104174484A (en) * | 2014-07-14 | 2014-12-03 | 高旭 | Desiliconization processing method for bauxite flotation tailings |
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| CN105344487A (en) | 2016-02-24 |
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