CN1370624A - Selective ore milling process for diaspore type bauxite - Google Patents
Selective ore milling process for diaspore type bauxite Download PDFInfo
- Publication number
- CN1370624A CN1370624A CN 01106886 CN01106886A CN1370624A CN 1370624 A CN1370624 A CN 1370624A CN 01106886 CN01106886 CN 01106886 CN 01106886 A CN01106886 A CN 01106886A CN 1370624 A CN1370624 A CN 1370624A
- Authority
- CN
- China
- Prior art keywords
- ore
- diaspore
- bauxite
- grinding
- gram
- 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
- 229910001648 diaspore Inorganic materials 0.000 title claims abstract description 30
- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 26
- 238000003801 milling Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000007667 floating Methods 0.000 claims abstract description 12
- 229910052900 illite Inorganic materials 0.000 claims abstract description 12
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052622 kaolinite Inorganic materials 0.000 claims abstract description 12
- 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 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 8
- 229910000323 aluminium silicate Inorganic materials 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 238000005188 flotation Methods 0.000 claims description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 11
- 239000011707 mineral Substances 0.000 claims description 11
- MPPQGYCZBNURDG-UHFFFAOYSA-N 2-propionyl-6-dimethylaminonaphthalene Chemical compound C1=C(N(C)C)C=CC2=CC(C(=O)CC)=CC=C21 MPPQGYCZBNURDG-UHFFFAOYSA-N 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 239000005995 Aluminium silicate Substances 0.000 claims description 5
- -1 alkyl trimethyl ammonium halide Chemical class 0.000 claims description 5
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 17
- 239000000126 substance Substances 0.000 abstract description 2
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 229910052604 silicate mineral Inorganic materials 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000005211 alkyl trimethyl ammonium group Chemical group 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910018516 Al—O Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000004131 Bayer process Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000021321 essential mineral Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004137 mechanical activation Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006884 silylation reaction Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The present invention is selective ore milling process for diaspore type bauxite. By means of the difference between diaspore and aluminosilicate ore, especially kaolinite, illite and pyrauxite, in surface hydrophilicity and hydrophobicity, the present invention realizes the desiliconization of diaspore type bauxite through adding floating chemical to the core milling course and counterfloating process. To bauxite with Al-to-Si ratio of 4-6, the process of the present invention can result in an Al-to-Si ratio over 10 and an Al2O3 recovering rate over 80%.
Description
The present invention relates to a kind of milling method of diaspore type bauxite Counterfloatating desiliconization.
The bauxite resource of China is abundant, but the overwhelming majority belongs to diaspore type bauxite.Have high silicon, low iron, low alumina silica ratio (A/S) and form complicated characteristics.Because the siliceous height of ore, alumina silica ratio are low, make China's alumina producing energy consumption height, deficiency in economic performance.Therefore, adopting economical rationality and effective method for desilication and technology, improve the alumina silica ratio of alumina producing raw material, is to realize one of important channel that China's aluminium oxide is efficient, low energy consumption is produced.At present, the desilication method of diaspore type bauxite has floatation, the pre-desiliconization method of roasting, the biological desiliconization method etc. that leaches, and wherein " ore dressing (flotation)--Bayer process " is considered to solve at present the effective way that Chinese diaspore type bauxite resource is produced aluminium oxide; But adopt floating agent emersion diaspore, and suppress the direct floatation process of aluminium silicate mineral because the shortcoming of himself, be difficult to use rapidly in practice, main shortcoming is: come-up concentrate amount is big, the filtering means dehydration difficulty, and the floating agent residual volume is big in the concentrate, and Baeyer (Bayer) the method stripping of back segment alumina producing is had harmful effect.
In order to improve in the diaspore type bauxite the particularly difference of the surface hydrophilic/hydrophobic property of kaolinite, illite and pyrophillite of diaspore mineral surface and aluminium silicate mineral, realize the Counterfloatating desiliconization of bauxite, special the present invention proposed.
The present invention utilizes the particularly difference of the surface hydrophilic/hydrophobic property of kaolinite, illite and pyrophillite etc. of diaspore surface and aluminium silicate mineral, grinding process adds floating agent, adopts reverse flotation method to realize the Counterfloatating desiliconization of diaspore type bauxite.The grinding process condition is as follows:
Granularity is together added ore mill less than the bauxite of 3mm and floating agent (dispersant, inhibitor and collecting agent) carry out ore grinding, grinding condition is an ore milling concentration 50～60%, it is between 5～6 that the acid-base value of ore grinding system is controlled at pH, and the granularity of ore milling product accounts for about 80～90% for-0.074mm.
The kind and the consumption of described floating agent are respectively: polyvinyl alcohol 200 gram/ton raw ores, prodan 100～250 gram/ton raw ores, flotation collector alkyl trimethyl ammonium halide 100～200 gram/ton raw ores.
Described ore mill is the wet type rod mill.
Behind the ore grinding through wet type rod ore mill, essential mineral diaspore in the diaspore type bauxite, kaolinite, mineral such as illite and pyrophillite are by after levigate, expose fresh surface, under the effect of mechanical activation, not same-action takes place with the floating agent that is added in the ore mill, the diaspore surface-Al-O-key and polyvinyl alcohol and prodan have an effect, make its surface hydrophilic and do not have an effect with the collecting agent alkyl trimethyl ammonium bromide, and kaolinite, after silicate mineral such as illite and pyrophillite is levigate, expose unsalted surface-Al-O-Si-O-do not have an effect with polyvinyl alcohol and prodan, and have an effect with the collecting agent alkyl trimethyl ammonium bromide, make its surface hydrophobicity, thereby cause these aluminium silicate minerals to have floatability.Its mechanism of action is as follows:
(1) prodan Na
2SiF
6Have and disperse and selective inhibitory, the various mineral in the bauxite are disperseed; Can have an effect with the Al-O key on the diaspore surface simultaneously, play inhibitory action;
(2) polyvinyl alcohol
It is nonionic surface active agent.Can with the silylation effect on silicate mineral surfaces such as kaolinite, illite and pyrophillite, make these mineral surfaces selective flocculations;
(3) the alkyl trimethyl ammonium halide is a quaternary ammonium salt, have strong basicity, so quaternary ammonium salt ionization fully in water, exchange absorption can take place with the metal ion of clay mineral in ammonium cation, and be adsorbed in silicate mineral surfaces such as kaolinite, illite and pyrophillite, make these mineral surfaces hydrophobic; And with the effect on diaspore surface be Electrostatic Absorption, the zero point of diaspore is more than the pH=6, when pH less than 6 the time, alkyl trimethyl ammonium halide and diaspore effect are very weak.
The present invention is by carrying out selective milling to diaspore type bauxite, to change the diaspore mineral surface and silicate mineral surface hydrophilic/hydrophobic properties such as kaolinite, illite and pyrophillite in the bauxite, make the diaspore surface hydrophilic, and do not have an effect with flotation collector; Hydrophilic substance is not then adsorbed on silicate mineral surfaces such as kaolinite, illite and pyrophillite, and the unsalted surface that its ore grinding dissociates is had an effect with the flotation collector that adds ore mill, and its surface hydrophobicity has floatability.By changing the hydrophilic/hydrophobic character on diaspore and silicate mineral surfaces such as kaolinite, illite and pyrophillite, can make diaspore and silicate minerals such as kaolinite, illite and pyrophillite realize that reverse flotation separates.Adopt the present invention to handle the bauxite of alumina silica ratio 4-6, the flotation concentrate alumina silica ratio can reach more than 10, Al
2O
3The rate of recovery is more than 80%.
Embodiment:
1. use the Henan bauxite of raw ore alumina silica ratio A/S=5.6, process system is: go into ore grinding stone granularity less than 3mm, grinding condition is an ore milling concentration 50～60%, and it is between 5～6 that the acid-base value of ore grinding system is controlled at pH; Bauxite and floating agent (dispersant, inhibitor and collecting agent) together add ore mill and carry out ore grinding; The kind and the dosing that add the floating agent of rod mill with diaspore type bauxite together are: polyvinyl alcohol 200 gram/ton raw ores, prodan 100～250 gram/ton raw ores, flotation collector alkyl trimethyl ammonium halide 100～200 gram/ton raw ores.The granularity of ore milling product accounts for about 86%, carries out flotation and can obtain bauxite concentrate grade (Al for-0.074mm
2O
3) 70%, SiO in the concentrate
2Content is 7%, and concentrate alumina silica ratio A/S=10 is with Al
2O
3Calculate recovery rate is 81%.
Claims (2)
1, diaspore type bauxite selective ore milling process, it is characterized in that: the present invention utilizes the particularly difference of the surface hydrophilic/hydrophobic property of kaolinite, illite and pyrophillite etc. of diaspore surface and aluminium silicate mineral, grinding process adds floating agent, adopt reverse flotation method to realize the Counterfloatating desiliconization of diaspore type bauxite, the grinding process condition is as follows:
A〉granularity is together added ore mill less than the bauxite of 3mm and floating agent carry out ore grinding, grinding condition is an ore milling concentration 50～60%, and it is between 5～6 that the acid-base value of ore grinding system is controlled at pH, and the granularity of ore milling product accounts for about 80～90% for-0.074mm;
B〉kind and the consumption of described floating agent be respectively: polyvinyl alcohol 200 gram/ton raw ores, prodan 100～250 gram/ton raw ores, flotation collector alkyl trimethyl ammonium halide 100～200 gram/ton raw ores.
2. the method for stating according to claim 1 place, it is characterized in that: described ore mill is the wet type rod mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011068868A CN1140354C (en) | 2001-02-23 | 2001-02-23 | Selective ore milling process for diaspore type bauxite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011068868A CN1140354C (en) | 2001-02-23 | 2001-02-23 | Selective ore milling process for diaspore type bauxite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1370624A true CN1370624A (en) | 2002-09-25 |
| CN1140354C CN1140354C (en) | 2004-03-03 |
Family
ID=4655847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011068868A Expired - Lifetime CN1140354C (en) | 2001-02-23 | 2001-02-23 | Selective ore milling process for diaspore type bauxite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1140354C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100478077C (en) * | 2007-05-31 | 2009-04-15 | 中国铝业股份有限公司 | Mine milling method for improving particles size distribution of bauxite mine milling products |
| CN100594182C (en) * | 2005-05-18 | 2010-03-17 | 中国铝业股份有限公司 | Method of reverse flotation for preparing alumina from concentrate of beauxite |
| CN101249475B (en) * | 2008-04-01 | 2011-05-04 | 中国铝业股份有限公司 | Method of flotation removing quartz for alumyte |
| CN102218374A (en) * | 2010-04-13 | 2011-10-19 | 中南大学 | Method for selectively milling cassiterite multi-metal sulfides ores |
| CN103008112A (en) * | 2012-11-30 | 2013-04-03 | 广西高峰矿业有限责任公司 | Selective milling-flotation method for cassiterite multi-metal sulfide ore |
| CN105234006A (en) * | 2015-09-17 | 2016-01-13 | 中国铝业股份有限公司 | Method for synchronous floatation, desulfuration and desilicication of high-sulfur bauxite |
| CN112934477A (en) * | 2021-02-22 | 2021-06-11 | 郑州大学 | Bauxite processing method |
| CN113695085A (en) * | 2021-06-29 | 2021-11-26 | 郑州大学 | Phosphogypsum desiliconization and decarbonization combined collecting agent and solution preparation method and application thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207962A (en) * | 1998-07-22 | 1999-02-17 | 北京矿冶研究总院 | Bauxite flotation method |
-
2001
- 2001-02-23 CN CNB011068868A patent/CN1140354C/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100594182C (en) * | 2005-05-18 | 2010-03-17 | 中国铝业股份有限公司 | Method of reverse flotation for preparing alumina from concentrate of beauxite |
| CN100478077C (en) * | 2007-05-31 | 2009-04-15 | 中国铝业股份有限公司 | Mine milling method for improving particles size distribution of bauxite mine milling products |
| CN101249475B (en) * | 2008-04-01 | 2011-05-04 | 中国铝业股份有限公司 | Method of flotation removing quartz for alumyte |
| CN102218374A (en) * | 2010-04-13 | 2011-10-19 | 中南大学 | Method for selectively milling cassiterite multi-metal sulfides ores |
| CN103008112A (en) * | 2012-11-30 | 2013-04-03 | 广西高峰矿业有限责任公司 | Selective milling-flotation method for cassiterite multi-metal sulfide ore |
| CN105234006A (en) * | 2015-09-17 | 2016-01-13 | 中国铝业股份有限公司 | Method for synchronous floatation, desulfuration and desilicication of high-sulfur bauxite |
| CN112934477A (en) * | 2021-02-22 | 2021-06-11 | 郑州大学 | Bauxite processing method |
| CN112934477B (en) * | 2021-02-22 | 2023-08-25 | 郑州大学 | Bauxite treatment method |
| CN113695085A (en) * | 2021-06-29 | 2021-11-26 | 郑州大学 | Phosphogypsum desiliconization and decarbonization combined collecting agent and solution preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1140354C (en) | 2004-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1140354C (en) | Selective ore milling process for diaspore type bauxite | |
| CN1140355C (en) | Counterfloatating desiliconization process for diaspore type bauxite | |
| CN103638744B (en) | A kind of method improving acid flyash slurry filtration performance | |
| CN105618271B (en) | The method that quartz is separated from low grade potassium albite ore | |
| Yang et al. | Searching for a high efficiency and environmental benign reagent to leach ion-adsorption rare earths based on the zeta potential of clay particles | |
| CN1163305C (en) | Bauxite dressing method | |
| CN101121151A (en) | Bauxite surface preprocessing-reverse floatation desiliconizing method | |
| CN105688821B (en) | A kind of preparation method and application of modified super-paramagnetic ferriferrous oxide nano particulate | |
| CN106269265A (en) | A kind of classification stepped-flotation separation technique processing high alumina high ferro silicon calcium collophanite | |
| CN104962739A (en) | Quick impurity removing method for rare earth leach liquor of weathering crust elution-deposited rare earth ores | |
| CN111715178A (en) | Copper smelting waste residue based adsorption material and preparation method thereof | |
| CN100348331C (en) | Flotation selection and desiliconization method for middle and low grade alumyte | |
| CN102689961B (en) | Desilication flocculant used in silica gel wastewater treatment | |
| CN103936023B (en) | A kind of preparation method of calcium ion selective molecular sieve and scale removal application thereof | |
| CN1244408C (en) | Floatation method of desulfurizing and desiliconizing diaspore type bauxite | |
| CN108499743A (en) | A kind of composite restrainer and its application method inhibiting the ore of easy floating gangue such as talcum | |
| CN104399593A (en) | Magnesite ore desilicication and decalcification method | |
| CN106669590B (en) | It is a kind of based on the heavy metal mesoporous adsorption material and its preparation method and application that molybdenum ore tailings is raw material | |
| CN106379903B (en) | A kind of process preparing fine diatomite | |
| CN103638745B (en) | A kind of method improving alkaline coal ash slurry filtration performance | |
| CN1267197C (en) | Flotation process for quartz tail sand and its special floatation collecting agent | |
| CN109354145A (en) | A method of organic waste water modification flocculant is prepared with diatomite | |
| CN105253906A (en) | Method for performing microwave treatment on middle-low-grade diaspore | |
| CN109179433A (en) | A kind of purification method of whitening of potassium feldspar | |
| CN102120587B (en) | Method for preparing high-purity sodium-based smectite, white carbon black and size-controllable nano silicon dioxide from cristobalite-rich calcium-based bentonite ore |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINESE ALUMINIUM CO., LTD. Free format text: FORMER OWNER: CENTRAL-SOUTH CHINA UNIV. Effective date: 20060728 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060728 Address after: 100814 No. 12, Fuxing Road, Beijing Patentee after: Aluminum Corporation of China Limited Address before: 410083 Hunan city Changsha left ridge Patentee before: Central South University |
|
| CX01 | Expiry of patent term |
Granted publication date: 20040303 |
|
| CX01 | Expiry of patent term |