OA10763A - Removing suspended solids by addition of hydroxamated polymers in the bayer process - Google Patents
Removing suspended solids by addition of hydroxamated polymers in the bayer process Download PDFInfo
- Publication number
- OA10763A OA10763A OA9800047A OA9800047A OA10763A OA 10763 A OA10763 A OA 10763A OA 9800047 A OA9800047 A OA 9800047A OA 9800047 A OA9800047 A OA 9800047A OA 10763 A OA10763 A OA 10763A
- Authority
- OA
- OAPI
- Prior art keywords
- polymer
- process according
- hydroxamic acid
- sait
- flocculant
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 62
- 239000007787 solid Substances 0.000 title claims description 31
- 238000004131 Bayer process Methods 0.000 title abstract description 17
- 239000002253 acid Substances 0.000 claims abstract description 29
- NEAQRZUHTPSBBM-UHFFFAOYSA-N 2-hydroxy-3,3-dimethyl-7-nitro-4h-isoquinolin-1-one Chemical compound C1=C([N+]([O-])=O)C=C2C(=O)N(O)C(C)(C)CC2=C1 NEAQRZUHTPSBBM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 28
- 125000000129 anionic group Chemical group 0.000 claims description 21
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 229920000058 polyacrylate Polymers 0.000 claims description 9
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 150000001408 amides Chemical class 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- -1 water-soluble Chemical group 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- 229920003169 water-soluble polymer Polymers 0.000 claims description 4
- 150000008064 anhydrides Chemical class 0.000 claims description 3
- 125000002560 nitrile group Chemical group 0.000 claims 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M nitrite group Chemical group N(=O)[O-] IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 10
- 238000005189 flocculation Methods 0.000 abstract description 4
- 230000016615 flocculation Effects 0.000 abstract description 4
- 229920006318 anionic polymer Polymers 0.000 abstract description 2
- 150000003839 salts Chemical group 0.000 abstract description 2
- 238000007792 addition Methods 0.000 description 10
- 239000000654 additive Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 6
- 150000004645 aluminates Chemical class 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 239000003518 caustics Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 229910001570 bauxite Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001897 terpolymer Polymers 0.000 description 3
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000001253 acrylic acids Chemical class 0.000 description 2
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 229940044600 maleic anhydride Drugs 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229940047670 sodium acrylate Drugs 0.000 description 2
- 229910001388 sodium aluminate Inorganic materials 0.000 description 2
- 150000004684 trihydrates Chemical class 0.000 description 2
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical class CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001768 cations Chemical group 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003866 digestant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000002443 hydroxylamines Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- MCVVUJPXSBQTRZ-ONEGZZNKSA-N methyl (e)-but-2-enoate Chemical compound COC(=O)\C=C\C MCVVUJPXSBQTRZ-ONEGZZNKSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000010935 polish filtration Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0646—Separation of the insoluble residue, e.g. of red mud
- C01F7/0653—Separation of the insoluble residue, e.g. of red mud characterised by the flocculant added to the slurry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/550,908 US5601726A (en) | 1994-06-06 | 1995-10-31 | Hydroxameted polymers in the bayer process to reduce solids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA10763A true OA10763A (en) | 2002-12-13 |
Family
ID=24199067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| OA9800047A OA10763A (en) | 1995-10-31 | 1998-04-29 | Removing suspended solids by addition of hydroxamated polymers in the bayer process |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5601726A (enExample) |
| EP (1) | EP0858430B1 (enExample) |
| CN (1) | CN1198724A (enExample) |
| AT (1) | ATE196129T1 (enExample) |
| AU (1) | AU699929B2 (enExample) |
| BR (1) | BR9611181A (enExample) |
| DE (1) | DE69610215D1 (enExample) |
| IN (1) | IN190927B (enExample) |
| OA (1) | OA10763A (enExample) |
| RU (1) | RU2147013C1 (enExample) |
| UA (1) | UA53631C2 (enExample) |
| WO (1) | WO1997016378A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE149971T1 (de) * | 1992-12-14 | 1997-03-15 | Nalco Chemical Co | Änderung der trihydrat-kristalle im bayer- verfahren |
| US5951955A (en) * | 1995-11-07 | 1999-09-14 | Cytec Technology Corp. | Concentration of solids in the Bayer process |
| WO1997017293A1 (en) * | 1995-11-07 | 1997-05-15 | Cytec Technology Corp. | Reduction of impurities in bayer process alumina trihydrate |
| US5853677A (en) * | 1996-04-26 | 1998-12-29 | Cytec Technology Corp. | Concentration of solids by flocculating in the Bayer process |
| AU726700B2 (en) * | 1996-10-16 | 2000-11-16 | Nalco Chemical Company | Improved flocculation in the bayer process |
| US6086771A (en) * | 1997-12-12 | 2000-07-11 | Nalco Chemical Company | Water continuous emulsion polymers for improving scale control in the bayer process |
| US6036869A (en) * | 1997-12-12 | 2000-03-14 | Nalco Chemical Company | Water continuous methyl acrylate emulsion polymers for improved flocculation of red mud in the Bayer process |
| US6048463A (en) * | 1997-12-12 | 2000-04-11 | Nalco Chemical Company | Water continuous methyl acrylate emulsion polymer combinations and methyl acrylate emulsion homopolymers for improved flocculation of red mud in the bayer process |
| US6248302B1 (en) | 2000-02-04 | 2001-06-19 | Goldendale Aluminum Company | Process for treating red mud to recover metal values therefrom |
| US6432321B1 (en) * | 2000-09-19 | 2002-08-13 | Baffin, Inc. | Elixir for inducing high-speed settlement of precipatates |
| ES2646563T3 (es) * | 2005-02-25 | 2017-12-14 | Cytec Technology Corp. | Emulsiones de agua en aceite en agua de polímeros hidroxamatados y métodos para utilizar las mismas |
| AU2013201696B2 (en) * | 2007-04-20 | 2014-03-27 | Cytec Technology Corp. | Use of silicon-containing polymers to improve red mud flocculation in the Bayer process |
| CN101675004B (zh) * | 2007-04-20 | 2013-05-08 | 氰特技术公司 | 含硅聚合物对提高bayer加工中赤泥絮凝的用途 |
| US7631821B2 (en) * | 2007-05-25 | 2009-12-15 | Nalco Company | Improving grinding in a alumina extraction process |
| EP2346786B1 (en) * | 2008-10-17 | 2015-09-16 | Cytec Technology Corporation | Use of silicon-containing polymers for improved flocculation of solids in processes for the production of alumina from bauxite |
| AU2014242325B2 (en) * | 2013-03-13 | 2016-12-15 | Nalco Company | Cross-linked ethylsulfonated dihydroxypropyl cellulose |
| US10427950B2 (en) | 2015-12-04 | 2019-10-01 | Ecolab Usa Inc. | Recovery of mining processing product using boronic acid-containing polymers |
| WO2022174005A1 (en) | 2021-02-12 | 2022-08-18 | Ecolab Usa Inc. | Purification of bauxite ores using boronic acid-functional compounds |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3493499A (en) * | 1968-05-16 | 1970-02-03 | Dow Chemical Co | Flocculation of saline solid suspensions |
| AU536264B2 (en) * | 1980-07-23 | 1984-05-03 | Cytec Technology Corp. | Process for alumina recovery |
| US4678585A (en) * | 1981-12-30 | 1987-07-07 | American Cyanamid Company | Process for alumina recovery |
| US4478795A (en) * | 1982-10-18 | 1984-10-23 | Diamond Shamrock Chemicals Company | Aluminum trihydroxide deliquoring with anionic polymers |
| US4545902A (en) * | 1984-09-17 | 1985-10-08 | Nalco Chemical Company | Flocculants for bauxite (red mud) |
| GB8519107D0 (en) * | 1985-07-29 | 1985-09-04 | Allied Colloids Ltd | Flocculation process |
| US4767540A (en) * | 1987-02-11 | 1988-08-30 | American Cyanamid Company | Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams |
| GB8907995D0 (en) * | 1989-04-10 | 1989-05-24 | Allied Colloids Ltd | Recovery of alumina trihydrate in the bayer process |
| US5178774A (en) * | 1990-06-29 | 1993-01-12 | Allied Colloids Limited | Purification of aqueous liquor |
| CA2105333A1 (en) * | 1992-09-14 | 1994-03-15 | Robert P. Mahoney | Trihydrate clarification aid for the bayer process |
| US5217620A (en) * | 1992-11-23 | 1993-06-08 | Nalco Chemical Company | Clarification aid for the Bayer process |
| US5539046A (en) * | 1994-11-04 | 1996-07-23 | Cytec Technology Corp. | Blends of hydroxamated polymer emulsions with polyacrylate emulsions |
-
1995
- 1995-10-31 US US08/550,908 patent/US5601726A/en not_active Expired - Fee Related
-
1996
- 1996-10-28 DE DE69610215T patent/DE69610215D1/de not_active Expired - Lifetime
- 1996-10-28 CN CN96197407A patent/CN1198724A/zh active Pending
- 1996-10-28 WO PCT/US1996/017250 patent/WO1997016378A1/en not_active Ceased
- 1996-10-28 AU AU74800/96A patent/AU699929B2/en not_active Expired
- 1996-10-28 RU RU98110080A patent/RU2147013C1/ru active
- 1996-10-28 BR BR9611181-0A patent/BR9611181A/pt not_active Application Discontinuation
- 1996-10-28 EP EP96937036A patent/EP0858430B1/en not_active Expired - Lifetime
- 1996-10-28 UA UA98052810A patent/UA53631C2/uk unknown
- 1996-10-28 AT AT96937036T patent/ATE196129T1/de not_active IP Right Cessation
- 1996-10-30 IN IN1879CA1996 patent/IN190927B/en unknown
-
1998
- 1998-04-29 OA OA9800047A patent/OA10763A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU699929B2 (en) | 1998-12-17 |
| RU2147013C1 (ru) | 2000-03-27 |
| BR9611181A (pt) | 1999-12-28 |
| UA53631C2 (uk) | 2003-02-17 |
| DE69610215D1 (de) | 2000-10-12 |
| CN1198724A (zh) | 1998-11-11 |
| AU7480096A (en) | 1997-05-22 |
| EP0858430B1 (en) | 2000-09-06 |
| ATE196129T1 (de) | 2000-09-15 |
| IN190927B (enExample) | 2003-09-06 |
| EP0858430A1 (en) | 1998-08-19 |
| US5601726A (en) | 1997-02-11 |
| WO1997016378A1 (en) | 1997-05-09 |
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