IE58328B1 - Purification of bayer process liquors - Google Patents
Purification of bayer process liquorsInfo
- Publication number
- IE58328B1 IE58328B1 IE331185A IE331185A IE58328B1 IE 58328 B1 IE58328 B1 IE 58328B1 IE 331185 A IE331185 A IE 331185A IE 331185 A IE331185 A IE 331185A IE 58328 B1 IE58328 B1 IE 58328B1
- Authority
- IE
- Ireland
- Prior art keywords
- liquor
- slurry
- process according
- ammonium salt
- solids
- Prior art date
Links
- 238000004131 Bayer process Methods 0.000 title claims abstract description 51
- 238000000746 purification Methods 0.000 title description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007787 solid Substances 0.000 claims abstract description 36
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 16
- 125000002091 cationic group Chemical group 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 150000003891 oxalate salts Chemical class 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 42
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 claims description 9
- 239000000178 monomer Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 125000002348 vinylic group Chemical group 0.000 claims description 5
- 229920001519 homopolymer Polymers 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 229920006317 cationic polymer Polymers 0.000 claims description 2
- 239000000549 coloured material Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 2
- 239000012535 impurity Substances 0.000 abstract description 34
- 150000003839 salts Chemical class 0.000 abstract description 14
- 150000004684 trihydrates Chemical class 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 17
- 238000001914 filtration Methods 0.000 description 17
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 13
- 238000007792 addition Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- 239000000706 filtrate Substances 0.000 description 10
- 229940039748 oxalate Drugs 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 230000009467 reduction Effects 0.000 description 10
- 229910001570 bauxite Inorganic materials 0.000 description 9
- 238000001556 precipitation Methods 0.000 description 9
- 238000002835 absorbance Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 230000029087 digestion Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000001354 calcination Methods 0.000 description 6
- 239000003518 caustics Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 150000003863 ammonium salts Chemical class 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- -1 humic acids Chemical class 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000004021 humic acid Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 3
- 229940039790 sodium oxalate Drugs 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-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
- 239000003463 adsorbent Substances 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- RREGISFBPQOLTM-UHFFFAOYSA-N alumane;trihydrate Chemical compound O.O.O.[AlH3] RREGISFBPQOLTM-UHFFFAOYSA-N 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical class [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical class [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 2
- 150000001553 barium compounds Chemical class 0.000 description 2
- 159000000009 barium salts Chemical class 0.000 description 2
- 229940043430 calcium compound Drugs 0.000 description 2
- 150000001674 calcium compounds Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004737 colorimetric analysis Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000368 destabilizing effect Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 150000002681 magnesium compounds Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical class C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- 229910021532 Calcite Inorganic materials 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XDXHAEQXIBQUEZ-UHFFFAOYSA-N Ropinirole hydrochloride Chemical compound Cl.CCCN(CCC)CCC1=CC=CC2=C1CC(=O)N2 XDXHAEQXIBQUEZ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- LGDAGYXJBDILKZ-UHFFFAOYSA-N [2-methyl-1,1-dioxo-3-(pyridin-2-ylcarbamoyl)-1$l^{6},2-benzothiazin-4-yl] 2,2-dimethylpropanoate Chemical compound CC(C)(C)C(=O)OC=1C2=CC=CC=C2S(=O)(=O)N(C)C=1C(=O)NC1=CC=CC=N1 LGDAGYXJBDILKZ-UHFFFAOYSA-N 0.000 description 1
- 238000011481 absorbance measurement Methods 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- XFBXDGLHUSUNMG-UHFFFAOYSA-N alumane;hydrate Chemical class O.[AlH3] XFBXDGLHUSUNMG-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- QKYBEKAEVQPNIN-UHFFFAOYSA-N barium(2+);oxido(oxo)alumane Chemical compound [Ba+2].[O-][Al]=O.[O-][Al]=O QKYBEKAEVQPNIN-UHFFFAOYSA-N 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical group 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
- C01F7/473—Removal of organic compounds, e.g. sodium oxalate
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/686,803 US4578255A (en) | 1984-12-27 | 1984-12-27 | Purification of Bayer process liquors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE853311L IE853311L (en) | 1986-06-27 |
| IE58328B1 true IE58328B1 (en) | 1993-09-08 |
Family
ID=24757833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE331185A IE58328B1 (en) | 1984-12-27 | 1985-12-23 | Purification of bayer process liquors |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4578255A (enExample) |
| EP (1) | EP0186312B1 (enExample) |
| JP (1) | JPS61174113A (enExample) |
| CN (1) | CN1007422B (enExample) |
| AU (1) | AU555168B2 (enExample) |
| BR (1) | BR8506493A (enExample) |
| CA (1) | CA1236680A (enExample) |
| DE (2) | DE3583930D1 (enExample) |
| ES (1) | ES8703531A1 (enExample) |
| HU (1) | HU200305B (enExample) |
| IE (1) | IE58328B1 (enExample) |
| SU (1) | SU1563589A3 (enExample) |
| YU (1) | YU44278B (enExample) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608237A (en) * | 1985-04-24 | 1986-08-26 | Nalco Chemical Company | Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation |
| GB8519107D0 (en) * | 1985-07-29 | 1985-09-04 | Allied Colloids Ltd | Flocculation process |
| EP0211338A3 (en) * | 1985-08-09 | 1988-05-25 | American Cyanamid Company | Process for making alumina |
| US4786482A (en) * | 1986-02-03 | 1988-11-22 | Aluminum Company Of America | Bayer process for producing aluminum hydroxide having improved whiteness |
| US4717550A (en) * | 1986-10-09 | 1988-01-05 | American Cyanamid Company | Process for purifying alumina |
| US4902425A (en) * | 1986-12-24 | 1990-02-20 | Commonwealth Scientific & Industrial Research | Removal of humates from bayer process liquors |
| US4737352A (en) * | 1987-04-09 | 1988-04-12 | Nalco Chemical Company | Use of surfactants in alumina precipitation in the bayer process |
| US5178774A (en) † | 1990-06-29 | 1993-01-12 | Allied Colloids Limited | Purification of aqueous liquor |
| US5698109A (en) * | 1990-06-29 | 1997-12-16 | Allied Colloids Limited | Purification of aqueous liquor |
| US5133874A (en) * | 1990-12-24 | 1992-07-28 | American Cyanamid Company | Removal of humate from bayer alumina liquors |
| US5385586A (en) * | 1993-03-24 | 1995-01-31 | Nalco Chemical Company | Liquor oxalate stabilizers |
| CA2126885A1 (en) * | 1993-06-30 | 1994-12-31 | Gillian Mary Moody | Production of alumina |
| US5427750A (en) * | 1993-10-29 | 1995-06-27 | Nalco Chemical Company | Polymers for removing humates from bayer process liquors |
| US5415782A (en) * | 1993-11-22 | 1995-05-16 | Nalco Chemical Company | Method for the alteration of siliceous materials from bayer process liquors |
| FR2736908B1 (fr) * | 1995-07-20 | 1997-08-29 | Pechiney Aluminium | Procede d'epuration des solutions d'aluminate de sodium contenant de l'oxalate de sodium |
| US5728180A (en) * | 1996-06-25 | 1998-03-17 | Aluminum Company Of America | Adsorbent combinations for enhanced removal of sodium oxalate from bayer process spent liquor |
| DE10119685A1 (de) * | 2001-04-20 | 2002-10-24 | Stockhausen Chem Fab Gmbh | Entfernung nicht-wasserlöslicher Substanzen aus Metallaufschlüssen |
| US7067106B2 (en) * | 2003-06-30 | 2006-06-27 | Nalco Company | Aluminum hydroxide, made via the bayer process, with low organic carbon |
| US20050061750A1 (en) * | 2003-09-23 | 2005-03-24 | Polymer Ventures, Inc. | Methods for the purification of contaminated waters |
| JP2006045053A (ja) * | 2004-07-05 | 2006-02-16 | Showa Denko Kk | アルミニウム塩溶液の製造方法、アルミニウム塩溶液、アルミニウム塩、アルミニウム塩溶液を用いる浄化装置、アルミニウム塩溶液を使用して製造された物品 |
| US20090176118A1 (en) * | 2004-07-05 | 2009-07-09 | Showa Denko K.K. | Method for manufacturing aluminum salt solution, aluminum salt solution, aluminum salt, water purifying apparatus using the same, and articles manufactured by using the same |
| JP5172228B2 (ja) | 2007-06-28 | 2013-03-27 | ミドリホクヨー株式会社 | 革 |
| CN100532262C (zh) * | 2007-07-12 | 2009-08-26 | 中国铝业股份有限公司 | 一种中低品位铝土矿生产氧化铝的方法 |
| CA2710840C (en) * | 2007-12-28 | 2014-12-09 | Cytec Technology Corp. | Methods and compositions for the removal of impurities and water from the bayer process |
| RU2375307C1 (ru) * | 2008-04-14 | 2009-12-10 | Открытое акционерное общество "РУСАЛ Всероссийский Алюминиево-магниевый Институт" | Способ получения глинозема из боксита |
| RU2375308C1 (ru) * | 2008-07-14 | 2009-12-10 | Открытое акционерное общество "РУСАЛ Всероссийский Алюминиево-магниевый Институт" | Способ получения глинозема из боксита |
| BRPI0923988A2 (pt) * | 2009-02-27 | 2016-10-11 | Soane Energy Llc | sistema para remover matéria particulada de um fluido, método para remover matéria particulada de um fluido, método para remover matéria particulada de uma corrente de fluido, sistema para remover matéria particulada fina de um fluido e método para remover matéria particulada fina de um fluido |
| EA022702B1 (ru) * | 2009-12-15 | 2016-02-29 | Сайтек Текнолоджи Корп. | Способы и композиции для удаления примесей из органической соли, нагруженной примесями |
| DE102010019375A1 (de) * | 2010-05-04 | 2011-11-10 | Crenox Gmbh | Flockungshilfsmittel für die Titandioxidherstellung |
| CN111148722A (zh) | 2017-09-26 | 2020-05-12 | 埃科莱布美国股份有限公司 | 用于铝土矿选矿的方法和组合物 |
| WO2019161455A1 (en) * | 2018-02-23 | 2019-08-29 | Rio Tinto Alcan International Limited | Bayer process |
| BR112021001549A2 (pt) * | 2018-07-27 | 2021-04-27 | Solenis Technologies, L.P. | sistemas e métodos para produção de alumina |
| WO2021105889A1 (en) * | 2019-11-25 | 2021-06-03 | Rio Tinto Alcan International Limited | A method and an apparatus of purifying a bayer process stream |
| CN111302371B (zh) * | 2020-02-24 | 2021-07-20 | 中南大学 | 脱除铝酸钠溶液中有机物的方法 |
| WO2022174005A1 (en) | 2021-02-12 | 2022-08-18 | Ecolab Usa Inc. | Purification of bauxite ores using boronic acid-functional compounds |
| CN114735736B (zh) * | 2022-03-28 | 2024-05-03 | 广西田东锦鑫化工有限公司 | 氧化铝生产中去除铝酸钠溶液中多种有机化合物的方法 |
| CN114920273B (zh) * | 2022-07-06 | 2023-09-26 | 山东南山铝业股份有限公司 | 一种脱除铝酸钠溶液中中高分子量有机物的方法 |
| CN115259194A (zh) * | 2022-07-21 | 2022-11-01 | 中国铝业股份有限公司 | 一种脱除氧化铝生产过程中腐殖质的方法 |
| CN116588960A (zh) * | 2023-05-30 | 2023-08-15 | 中铝郑州有色金属研究院有限公司 | 一种去除工业铝酸钠溶液中有机物的方法 |
| US20250171328A1 (en) * | 2023-08-04 | 2025-05-29 | Snf Group | Vanadium oxide extraction from bayer process |
| CN117383594B (zh) * | 2023-10-16 | 2025-11-11 | 中南大学 | 一种在铝酸钠溶液中生成大尺寸胶束的方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3994806A (en) * | 1972-03-08 | 1976-11-30 | Calgon Corporation | Composition and method for flocculating suspended solids |
| US4146573A (en) * | 1978-03-10 | 1979-03-27 | Nalco Chemical Company | Red mud treatment |
| US4275042A (en) * | 1980-01-22 | 1981-06-23 | Alcan Research And Development Limited | Removal of oxalate from Bayer process liquor |
| JPS5761691A (en) * | 1980-04-25 | 1982-04-14 | Kinkichi Kurihara | Siliceous artificial compost |
| AU8040082A (en) * | 1981-02-17 | 1982-08-26 | Calgon Corporation | Reducing deposition of resins in paper production |
| JPS5827211A (ja) * | 1981-08-11 | 1983-02-17 | Mitsubishi Electric Corp | 温度制御方式 |
| AU8854682A (en) * | 1981-11-27 | 1983-06-02 | Buckman Laboratories Inc. | Quaternary ammonium graft polymers |
-
1984
- 1984-12-27 US US06/686,803 patent/US4578255A/en not_active Expired - Lifetime
-
1985
- 1985-02-12 AU AU38631/85A patent/AU555168B2/en not_active Ceased
- 1985-11-22 CA CA000496056A patent/CA1236680A/en not_active Expired
- 1985-11-25 EP EP85308537A patent/EP0186312B1/en not_active Expired
- 1985-11-25 DE DE8585308537T patent/DE3583930D1/de not_active Expired - Fee Related
- 1985-11-25 DE DE198585308537T patent/DE186312T1/de active Pending
- 1985-12-23 IE IE331185A patent/IE58328B1/en not_active IP Right Cessation
- 1985-12-23 HU HU854952A patent/HU200305B/hu not_active IP Right Cessation
- 1985-12-25 YU YU2039/85A patent/YU44278B/xx unknown
- 1985-12-26 CN CN85109376.0A patent/CN1007422B/zh not_active Expired
- 1985-12-26 ES ES550419A patent/ES8703531A1/es not_active Expired
- 1985-12-26 BR BR8506493A patent/BR8506493A/pt not_active IP Right Cessation
- 1985-12-26 SU SU853996103A patent/SU1563589A3/ru active
- 1985-12-26 JP JP60299635A patent/JPS61174113A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0149645B2 (enExample) | 1989-10-25 |
| EP0186312A3 (en) | 1988-05-25 |
| EP0186312A2 (en) | 1986-07-02 |
| CA1236680A (en) | 1988-05-17 |
| DE3583930D1 (de) | 1991-10-02 |
| ES550419A0 (es) | 1987-02-16 |
| AU555168B2 (en) | 1986-09-11 |
| YU203985A (en) | 1987-12-31 |
| ES8703531A1 (es) | 1987-02-16 |
| HUT39404A (en) | 1986-09-29 |
| HU200305B (en) | 1990-05-28 |
| AU3863185A (en) | 1986-07-03 |
| US4578255A (en) | 1986-03-25 |
| CN85109376A (zh) | 1986-08-27 |
| YU44278B (en) | 1990-04-30 |
| EP0186312B1 (en) | 1991-08-28 |
| BR8506493A (pt) | 1986-09-02 |
| SU1563589A3 (ru) | 1990-05-07 |
| CN1007422B (zh) | 1990-04-04 |
| IE853311L (en) | 1986-06-27 |
| DE186312T1 (de) | 1986-11-06 |
| JPS61174113A (ja) | 1986-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |