CN1887456A - Bauxite tail piling method - Google Patents
Bauxite tail piling method Download PDFInfo
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- CN1887456A CN1887456A CN 200610109277 CN200610109277A CN1887456A CN 1887456 A CN1887456 A CN 1887456A CN 200610109277 CN200610109277 CN 200610109277 CN 200610109277 A CN200610109277 A CN 200610109277A CN 1887456 A CN1887456 A CN 1887456A
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- CN
- China
- Prior art keywords
- bauxite
- stacked arrangement
- mine tailing
- lotion
- gelling
- 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.)
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- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 239000006210 lotion Substances 0.000 claims description 34
- 239000010881 fly ash Substances 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 10
- 239000004568 cement Substances 0.000 claims description 9
- 235000019353 potassium silicate Nutrition 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000002956 ash Substances 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 239000010440 gypsum Substances 0.000 claims description 5
- 229910052602 gypsum Inorganic materials 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 13
- 238000004131 Bayer process Methods 0.000 description 6
- 239000010883 coal ash Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000011398 Portland cement Substances 0.000 description 4
- 208000034189 Sclerosis Diseases 0.000 description 4
- 239000000499 gel Substances 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 235000012241 calcium silicate Nutrition 0.000 description 3
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 229910001648 diaspore Inorganic materials 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002734 clay mineral Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052900 illite Inorganic materials 0.000 description 2
- 238000004519 manufacturing process 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
- 229910021532 Calcite Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- AGWMJKGGLUJAPB-UHFFFAOYSA-N aluminum;dicalcium;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Ca+2].[Ca+2].[Fe+3] AGWMJKGGLUJAPB-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- HOOWDPSAHIOHCC-UHFFFAOYSA-N dialuminum tricalcium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[Al+3].[Al+3].[Ca++].[Ca++].[Ca++] HOOWDPSAHIOHCC-UHFFFAOYSA-N 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004155 tailings processing Methods 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
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- Dental Preparations (AREA)
Abstract
The bauxite tail piling method features that the bauxite tail pulp in 20-70 wt% concentration is first mixed with base material in 10-70 wt% of dry bauxite tail and agglomeration excitant in 0-15 wt% of dry bauxite tail through stirring to form paste in 30-85 wt% concentration; and then piled in bauxite tail storing yard to form piled body in certain piling angle and strength. The said method can raise the safety of bauxite tail piling, reduce environmental pollution and save land for bauxite tail piling.
Description
Technical field
A kind of stacked arrangement of bauxite relates to a kind of stacked arrangement of tailings processing method, particularly milltailings of the ore concentration of bauxite process that is used to produce aluminium oxide.
Background technology
The bauxite type of China is mainly based on diaspore type bauxite, have high alumina, high silicon, in the characteristics of low alumina silica ratio.For diaspore type bauxite, the industrial technology that adopt mixed combining method and sintering process to produce aluminium oxide more, investment is big, flow process is complicated, energy consumption is high.
In recent years in order to utilize low alumina-silicon ratio alumyte resource in China economically, improve the grade of bauxite by ore dressing and desiliconizing, and then carry out alumina producing with economic Bayer process, energy-conservation, the economic effective ways that utilize the middle-low bauxite resource to produce aluminium oxide have been become, form ore concentration of bauxite alumina producing Bayer process new technology, and carried out the industrialization production of new technology.
As an innovative technology, Liquor of Ore Dressing Bayer process has simultaneously also been brought a new problem: have only a kind of discarded object of red mud to compare with conventional Bayer process, Liquor of Ore Dressing Bayer process is many again a kind of discarded object---bauxite.In the prior art, the stacked arrangement of bauxite adopts is the wet type of the ore dressing field routine stacked arrangement of building a dam, the bauxite slurry that is about to weight concentration 8%～10% dewater to weight concentration greater than after 20%, be delivered to mine tailing stockyard wet type with pump and store up, the formula mine tailing storehouse of building a dam around adopt in the mine tailing stockyard.
The thing phase composition and the size distribution of bauxite listed in table 1～2.
The thing phase composition of table 1 bauxite
| Diaspore (%) | Kaolinite (%) | Illite (%) | Bloodstone (%) | Anatase (%) | Rutile (%) | Calcite (%) |
| 26.29 | 22～34 | 21～35 | 6～9 | 2～4 | 0.7～1.0 | 1.5～2.5 |
The size distribution of table 2 bauxite
| D [4.3](μm) | D (0.5)(μm) | ＜74μm(％) | ＜45μm(％) | ＜10μm(％) | ＜5μm(％) |
| 14～16 | 7～10 | 95～99 | 90～94 | 50～65 | 35～45 |
Owing to contain clay minerals such as a large amount of kaolinites, illite in the bauxite, therefore bauxite has and the similar physicochemical property of clay mineral: superfine granularmetric composition, the sedimentation of extreme difference and compression performance, the utmost point is rate of consolidation slowly, and have stronger rehydration performance, expansion character, these characteristics cause:
(1) stocking angle of bauxite is less than 2 °, and it is big to store up volume, has taken a large amount of land resource;
(2) bauxite still is detained a large amount of water in its hole after the long-term wet type in mine tailing storehouse is stored up, and form very thickness, matter is soft, is difficult to drying and consolidating, can't form stable sclerosis and pile up, and has a strong impact on mine tailing storehouse safety.
(3) residual beneficiation reagent is polluted underground water in the bauxite.
Continuous service along with ore concentration of bauxite Bayer process industrialization production, the conventional wet type mode of storing up of building a dam makes bauxite store up storage capacity to continue to increase, mine tailing storehouse dam body is constantly increased, and its running cost increases, potential safety hazard strengthens, increasing environmental pollution.
Summary of the invention
The objective of the invention is in order to overcome the deficiency that above-mentioned prior art exists, provide a kind of mine tailing that can effectively reduce to pile up floor space, can effectively form stable sclerosis and pile up, improve mine tailing storehouse security, eliminate residual beneficiation reagent and produce the bauxite stacked arrangement that pollutes.
The objective of the invention is to be achieved through the following technical solutions.
A kind of stacked arrangement of bauxite, it is characterized in that the bauxite slurries mix with base-material, gelling exciting agent, enter the mine tailing stockyard after stirring the lotion that forms weight concentration 30%～85%, wherein the base-material addition be dried mine tailing heavy 10%～70%, gelling exciting agent addition be dried mine tailing heavy 0%～15%.
The stacked arrangement of a kind of bauxite of the present invention, the weight concentration that it is characterized in that the bauxite slurries is 20%～70%.
The stacked arrangement of a kind of bauxite of the present invention is characterized in that described base-material is the material with certain pozzolanic activity or latent hydraulicity.
The stacked arrangement of a kind of bauxite of the present invention is characterized in that described material with certain pozzolanic activity or latent hydraulicity is any and/or several mixture of flyash, granulated blast-furnace slag, gangue, red mud, silicon ash, volcanic ash, float stone.
The stacked arrangement of a kind of bauxite of the present invention is characterized in that described gelling exciting agent is any and/or several mixture of cement, lime, gypsum, waterglass.
The stacked arrangement of a kind of bauxite of the present invention, the slump that it is characterized in that lotion is at 10cm～29cm.
The stacked arrangement of a kind of bauxite of the present invention is characterized in that it is the mode that adopts pipeline self or pump to carry that lotion enters the mine tailing stockyard.
Method of the present invention is added base-material when bauxite is stored up, these base-materials are the materials with certain pozzolanic activity or latent hydraulicity, are example with flyash, and the effect of base-material is as follows:
(1) flyash has certain gelling solidification.
When flyash uses as gelling agent separately, the caking property of itself is very little, but contain a large amount of ganoid glass microballoons in the flyash, these glass microballoons contain can in the higher chemistry, play pendulum on the thermodynamics, have lateral reactivity, its lateral reactivity is excited, make the active SiO in the flyash with gelling exciting agents such as cement
2And Al
2O
3The Ca (OH) that separates out with cement hydration process
2Pozzolanic reaction takes place mutually, can generate more stable hydrated calcium silicate and drated calcium aluminate gel, its chemism is as follows:
These two kinds of gels have gelling ability, thereby the glued solidification can further strengthen alumyte flotation tailings and store up the time makes lotion condense, harden and has certain intensity.
(2) flyash can improve the lotion performance.
How spherical in shape fly ash grain is, smooth surface, and the existence of an amount of flyash can improve the workability of Paste Preparation, the resistance of ducting when the reduction lotion is carried, improve the pump-conveying property of lotion.
(3) the flyash source is wide, cost is low.
Flyash is a kind of solid waste, also need discharge and store up, and is extremely low as its cost of lotion composition material.
(4) flyash can improve lotion concentration.
Adding the dry powder coal ash can make the concentration of lotion improve about 10%.
When storing up, adds bauxite the gelling exciting agent, the effect of two aspects is arranged, the one, utilize the gelatification of gelling exciting agent, make the lotion granular cementation, to improve the performance of lotion, impel lotion to condense, sclerosis, formation has the stable sclerosis of certain intensity and piles up, the 2nd, utilize the hydration that excites of gelling exciting agent, the lateral reactivity of the base-material with certain pozzolanic activity or latent hydraulicity is brought into play, promote setting and harden, little thereby solution bauxite wet type is stored up the stocking angle that brings, floor space is big, fixed difficulty is big, the problem of residual beneficiation reagent polluted underground water.
Is example with cement as the gelling exciting agent, and its gelling principle is as follows:
After cement joined lotion, the compound in the cement as tricalcium silicate, dicalcium silicate and tricalcium aluminate, tetra calcium aluminoferrite etc., began hydration reaction immediately, generated hydrated product, and its reaction equation is as follows:
Hydrated calcium silicate (claim the C-S-H gel again, account for 70%) and hydrated calcium ferrite gel, calcium hydroxide, drated calcium aluminate and aquation calcium sulphoaluminate crystal have been generated behind the hydrated cementitious.Because the colloid shape hydrated product of producing is on the increase and is put contact at some, constitute loose network structure, slurry is lost flowability and plasticity and forming is condensed, after this owing to the hydrated product that generates is on the increase, they are in contact with one another adhesion, to to a certain degree just setting up netted comparatively closely crystalline texture, and at the inner hydrated product that constantly enriches of network structure, make that lotion progressively hardens, gluing is solidified.
Is example with cement as the gelling exciting agent, and it excites the existing narration in the gelling solidification of flyash of hydration principle.
Method of the present invention is fit to the ore dressing removal of impurities tailings impoundment of all kinds bauxite.Enter the mine tailing stockyard behind the lotion that adopts method of the present invention to handle, can condense and form the body of storing up with certain stocking angle and certain intensity, improved the security that bauxite is stored up, save land resource that bauxite stores up, reduced bauxite and store up the environmental pollution that causes, social benefit and environmental benefit be considerable.
The specific embodiment
A kind of stacked arrangement of bauxite, the bauxite slurries of weight concentration 20%～70% are mixed with base-material, gelling exciting agent, enter the mine tailing stockyard after stirring the lotion that forms weight concentration 30%～85%, condense and form the body of storing up with certain stocking angle and certain intensity, wherein the base-material addition be dried mine tailing heavy 10%～70%, gelling exciting agent addition be dried mine tailing heavy 0%～15%.Base-material is the material with certain pozzolanic activity or latent hydraulicity.Material with certain pozzolanic activity or latent hydraulicity is any and/or several mixture of flyash, granulated blast-furnace slag, gangue, red mud, silicon ash, volcanic ash, float stone.The gelling exciting agent is any and/or several mixture of all kinds of cement, lime, gypsum, waterglass.The slump of lotion is at 10cm～29cm.Lotion enters the mode that the mine tailing stockyard can adopt pipeline self or pump to carry.
Embodiment 1
The bauxite of weight concentration 45.5%, mix with dry powder coal ash, Portland cement, the flyash addition be dried mine tailing heavy 33.3%, the Portland cement addition be dried mine tailing heavy 3%, stir to form the lotion of weight concentration 52.7%, the slump 22cm of lotion, lotion enters the mine tailing stockyard with pump, condensing forms the body of storing up with certain stocking angle and certain intensity, stores up 22 ° of body stocking angles after tested, and 28 days compression strength of storing up the body test block are 1.5MPa.
Embodiment 2
The bauxite of weight concentration 40.2%, mix with dry powder coal ash, lime, the flyash addition be dried mine tailing heavy 50%, the lime addition be dried mine tailing heavy 5%, stir to form the lotion of weight concentration 51.2%, the slump 23.5cm of lotion, lotion enters the mine tailing stockyard with pump, condensing forms the body of storing up of certain intensity with certain stocking angle, stores up 18 ° of body stocking angles after tested, and 28 days compression strength of storing up the body test block are 1.1MPa.
Embodiment 3
The bauxite of weight concentration 40.2%, mix with dry powder coal ash, waterglass, the flyash addition be dried mine tailing heavy 10%, the waterglass addition be dried mine tailing heavy 10%, stir to form the lotion of weight concentration 42.5%, the slump 27cm of lotion, lotion enters the mine tailing stockyard with pipeline self, condensing forms the body of storing up with certain stocking angle and certain intensity, stores up 6 ° of body stocking angles after tested, and 28 days compression strength of storing up the body test block are 1.3MPa.。
Embodiment 4
The bauxite of weight concentration 43.6%, mix with dry powder coal ash, Portland cement, lime, gypsum, waterglass, the flyash addition be dried mine tailing heavy 10%, the Portland cement addition be dried mine tailing heavy 5%, addition be dried mine tailing heavy 3%, the gypsum addition be dried mine tailing heavy 1%, the waterglass addition be dried mine tailing heavy 1%.Stir the lotion that forms weight concentration 48.2%, the slump 25cm of lotion, lotion enters the mine tailing stockyard with pump, condenses to form the body of storing up with certain stocking angle and certain intensity, store up 13 ° of body stocking angles after tested, 28 days compression strength of storing up the body test block are 1.4MPa.
Claims (7)
1. the stacked arrangement of a bauxite, it is characterized in that the bauxite slurries mix with base-material, gelling exciting agent, enter the mine tailing stockyard after stirring the lotion that forms weight concentration 30%～85%, wherein the base-material addition be dried mine tailing heavy 10%～70%, gelling exciting agent addition be dried mine tailing heavy 0%～15%.
2. the stacked arrangement of a kind of bauxite according to claim 1, the weight concentration that it is characterized in that the bauxite slurries is 20%～70%.
3. the stacked arrangement of a kind of bauxite according to claim 1 is characterized in that described base-material is the material with certain pozzolanic activity or latent hydraulicity.
4. the stacked arrangement of a kind of bauxite according to claim 1 is characterized in that described material with certain pozzolanic activity or latent hydraulicity is any and/or several mixture of flyash, granulated blast-furnace slag, gangue, red mud, silicon ash, volcanic ash, float stone.
5. the stacked arrangement of a kind of bauxite according to claim 1 is characterized in that described gelling exciting agent is any and/or several mixture of cement, lime, gypsum, waterglass.
6. the stacked arrangement of a kind of bauxite according to claim 1, the slump that it is characterized in that lotion is at 10cm～29cm.
7. the stacked arrangement of a kind of bauxite according to claim 1 is characterized in that it is the mode that adopts pipeline self or pump to carry that lotion enters the mine tailing stockyard.
Priority Applications (1)
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|---|---|---|---|
| CNB2006101092773A CN100531945C (en) | 2006-08-08 | 2006-08-08 | Bauxite tail piling method |
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|---|---|---|---|
| CNB2006101092773A CN100531945C (en) | 2006-08-08 | 2006-08-08 | Bauxite tail piling method |
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| CN100531945C CN100531945C (en) | 2009-08-26 |
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| CN101624267A (en) * | 2009-08-11 | 2010-01-13 | 山西鑫秀工矿废渣利用有限公司 | Low-temperature ceramic curing agent of red mud from Bayer process |
| CN101288858B (en) * | 2008-06-12 | 2010-06-02 | 中国铝业股份有限公司 | Alumyte flotation tailings settling separation method |
| CN102327887A (en) * | 2010-11-19 | 2012-01-25 | 程念生 | Method and equipment for treating tailings of aluminium ore containing clay |
| CN102553889A (en) * | 2012-01-11 | 2012-07-11 | 昆明理工大学 | Concentrating and dry stacking method of iron tailing slurry |
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| CN1161300C (en) * | 2001-12-29 | 2004-08-11 | 李国成 | Portland cement clinker |
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| CN1727301A (en) * | 2005-07-25 | 2006-02-01 | 安阳钢铁集团有限责任公司 | Buring free, steaming free bearing building blocks or bricks prepared from tailing sand of iron ore, and manufacturing process |
| CN1792973A (en) * | 2005-12-23 | 2006-06-28 | 武汉理工大学 | Gypsum tailing mine gelled material and preparation process thereof |
| CN100415671C (en) * | 2006-02-17 | 2008-09-03 | 昆明理工大学 | A kind of production method of low temperature ceramic matrix polymer composite material |
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| CN101288858B (en) * | 2008-06-12 | 2010-06-02 | 中国铝业股份有限公司 | Alumyte flotation tailings settling separation method |
| CN101624267A (en) * | 2009-08-11 | 2010-01-13 | 山西鑫秀工矿废渣利用有限公司 | Low-temperature ceramic curing agent of red mud from Bayer process |
| CN101624267B (en) * | 2009-08-11 | 2013-08-28 | 山西鑫秀工矿废渣利用有限公司 | Low-temperature ceramic curing agent of red mud from Bayer process |
| CN102327887A (en) * | 2010-11-19 | 2012-01-25 | 程念生 | Method and equipment for treating tailings of aluminium ore containing clay |
| CN102327887B (en) * | 2010-11-19 | 2014-04-23 | 程念生 | Method and equipment for treating tailings of aluminium ore containing clay |
| CN102553889A (en) * | 2012-01-11 | 2012-07-11 | 昆明理工大学 | Concentrating and dry stacking method of iron tailing slurry |
| CN110510893A (en) * | 2019-08-19 | 2019-11-29 | 昆明理工大学 | A kind of anti-oxidation barrier material and its preparation method and application |
| CN113136213A (en) * | 2021-04-22 | 2021-07-20 | 河南省交通规划设计研究院股份有限公司 | Soil stabilizer prepared from bauxite tailings |
| CN113695359A (en) * | 2021-08-30 | 2021-11-26 | 王文举 | Method for preparing cementing material by using bauxite beneficiation tailings |
Also Published As
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| CN100531945C (en) | 2009-08-26 |
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Effective date of registration: 20170612 Address after: Qixian town Henan province 454171 Xiuwu County of Zhongzhou aluminum plant Patentee after: Chalco Zhongzhou Aluminium Industry Co., Ltd. Address before: 100814, Haidian District, Fuxing Road, Beijing No. 12, China Aluminum Limited by Share Ltd Patentee before: Aluminum Corporation of China Limited |