CN1007422B - 拜尔液的纯化 - Google Patents
拜尔液的纯化Info
- Publication number
- CN1007422B CN1007422B CN85109376.0A CN85109376A CN1007422B CN 1007422 B CN1007422 B CN 1007422B CN 85109376 A CN85109376 A CN 85109376A CN 1007422 B CN1007422 B CN 1007422B
- Authority
- CN
- China
- Prior art keywords
- polyquaternium
- humate
- liquid
- bayer
- mother liquor
- 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.)
- Expired
Links
- 238000004131 Bayer process Methods 0.000 title claims abstract description 25
- 238000000746 purification Methods 0.000 title description 8
- 239000007787 solid Substances 0.000 claims abstract description 39
- 239000012535 impurity Substances 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 109
- 229920000289 Polyquaternium Polymers 0.000 claims description 77
- 238000000034 method Methods 0.000 claims description 52
- 238000001914 filtration Methods 0.000 claims description 29
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 230000003311 flocculating effect Effects 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 24
- YIOJGTBNHQAVBO-UHFFFAOYSA-N dimethyl-bis(prop-2-enyl)azanium Chemical compound C=CC[N+](C)(C)CC=C YIOJGTBNHQAVBO-UHFFFAOYSA-N 0.000 claims description 18
- 238000005660 chlorination reaction Methods 0.000 claims description 12
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims description 11
- 239000012452 mother liquor Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- 238000005189 flocculation Methods 0.000 claims description 8
- 230000016615 flocculation Effects 0.000 claims description 8
- 229920002554 vinyl polymer Polymers 0.000 claims description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 229920001519 homopolymer Polymers 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 32
- 230000029087 digestion Effects 0.000 abstract description 9
- 150000003891 oxalate salts Chemical class 0.000 abstract description 9
- 239000003518 caustics Substances 0.000 abstract description 6
- 125000002091 cationic group Chemical group 0.000 abstract description 5
- -1 cationic quaternary ammonium salt Chemical class 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 150000004684 trihydrates Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 24
- 238000001556 precipitation Methods 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 11
- 239000000706 filtrate Substances 0.000 description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 9
- 239000003513 alkali Substances 0.000 description 7
- 238000001354 calcination Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 150000003863 ammonium salts Chemical class 0.000 description 4
- 238000004737 colorimetric analysis Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 229940039748 oxalate Drugs 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 229910021502 aluminium hydroxide Inorganic materials 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
- 239000003054 catalyst Substances 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 231100000206 health hazard Toxicity 0.000 description 2
- 239000004021 humic acid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000012207 quantitative assay Methods 0.000 description 2
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 2
- 229940039790 sodium oxalate Drugs 0.000 description 2
- 239000002594 sorbent Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- JHPBZFOKBAGZBL-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylprop-2-enoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)=C JHPBZFOKBAGZBL-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-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
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 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 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 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
- 238000009825 accumulation Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000013459 approach Methods 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
- 229920005601 base polymer Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000549 coloured material Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- TUXJTJITXCHUEL-UHFFFAOYSA-N disperse red 11 Chemical compound C1=CC=C2C(=O)C3=C(N)C(OC)=CC(N)=C3C(=O)C2=C1 TUXJTJITXCHUEL-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000006386 neutralization reaction 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
- 238000010899 nucleation Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- XEEVLJKYYUVTRC-UHFFFAOYSA-N oxomalonic acid Chemical class OC(=O)C(=O)C(O)=O XEEVLJKYYUVTRC-UHFFFAOYSA-N 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002851 polycationic polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 229920013730 reactive polymer Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Images
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US686,803 | 1984-12-27 | ||
| US06/686,803 US4578255A (en) | 1984-12-27 | 1984-12-27 | Purification of Bayer process liquors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85109376A CN85109376A (zh) | 1986-08-27 |
| CN1007422B true CN1007422B (zh) | 1990-04-04 |
Family
ID=24757833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85109376.0A Expired CN1007422B (zh) | 1984-12-27 | 1985-12-26 | 拜尔液的纯化 |
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 (42)
| 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 |
| KR101131372B1 (ko) * | 2004-07-05 | 2012-04-04 | 쇼와 덴코 가부시키가이샤 | 알루미늄 염 용액의 제조 방법, 알루미늄 염 용액,알루미늄 염, 이들을 사용한 정수 장치, 및 이들을사용하여 제조된 물품 |
| 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 |
| 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 |
| JP5562867B2 (ja) * | 2007-12-28 | 2014-07-30 | サイテク・テクノロジー・コーポレーシヨン | バイエルプロセスからの不純物および水の除去のための方法および組成物 |
| 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 |
| MX378006B (es) * | 2009-02-27 | 2025-03-10 | Clean Teq Pty Ltd | Sistemas, metodos, procesos y aparatos para remover material en particulas finamente dispersada de una corriente de fluido. |
| WO2011081764A1 (en) * | 2009-12-15 | 2011-07-07 | Cytec Technology Corp. | Methods and compositions for the removal of impurities from an impurity-loaded ionic liquid |
| 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 |
| KR102860993B1 (ko) * | 2018-02-23 | 2025-09-16 | 리오 틴토 알칸 인터내셔널 리미티드 | 바이어 공정 |
| CA3107920A1 (en) | 2018-07-27 | 2020-01-30 | Solenis Technologies, L.P. | Systems and methods for alumina production |
| PE20211044A1 (es) | 2018-09-24 | 2021-06-03 | Ecolab Usa Inc | Metodos y composiciones para el beneficio de menas previo a la extraccion |
| 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 |
| CN116802152A (zh) | 2021-02-12 | 2023-09-22 | 埃科莱布美国股份有限公司 | 使用硼酸官能化化合物纯化铝土矿矿石 |
| 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 |
| NZ201950A (en) * | 1981-11-27 | 1984-12-14 | Buckman Labor Inc | Water-soluble quaternary ammonium graft copolymers and uses therefor |
-
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 DE DE8585308537T patent/DE3583930D1/de not_active Expired - Fee Related
- 1985-11-25 DE DE198585308537T patent/DE186312T1/de active Pending
- 1985-11-25 EP EP85308537A patent/EP0186312B1/en not_active Expired
- 1985-12-23 HU HU854952A patent/HU200305B/hu not_active IP Right Cessation
- 1985-12-23 IE IE331185A patent/IE58328B1/en not_active IP Right Cessation
- 1985-12-25 YU YU2039/85A patent/YU44278B/xx unknown
- 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 CN CN85109376.0A patent/CN1007422B/zh not_active Expired
- 1985-12-26 JP JP60299635A patent/JPS61174113A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU3863185A (en) | 1986-07-03 |
| HUT39404A (en) | 1986-09-29 |
| EP0186312A2 (en) | 1986-07-02 |
| US4578255A (en) | 1986-03-25 |
| EP0186312B1 (en) | 1991-08-28 |
| ES550419A0 (es) | 1987-02-16 |
| DE3583930D1 (de) | 1991-10-02 |
| CN85109376A (zh) | 1986-08-27 |
| SU1563589A3 (ru) | 1990-05-07 |
| IE853311L (en) | 1986-06-27 |
| AU555168B2 (en) | 1986-09-11 |
| CA1236680A (en) | 1988-05-17 |
| YU203985A (en) | 1987-12-31 |
| HU200305B (en) | 1990-05-28 |
| JPS61174113A (ja) | 1986-08-05 |
| YU44278B (en) | 1990-04-30 |
| JPH0149645B2 (enExample) | 1989-10-25 |
| EP0186312A3 (en) | 1988-05-25 |
| ES8703531A1 (es) | 1987-02-16 |
| IE58328B1 (en) | 1993-09-08 |
| DE186312T1 (de) | 1986-11-06 |
| BR8506493A (pt) | 1986-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1007422B (zh) | 拜尔液的纯化 | |
| CN1160260C (zh) | 通过絮凝沉淀法处理废水的方法 | |
| CN1261369C (zh) | 用于水和废水的处理方法和装置 | |
| US5284634A (en) | Purification of Bayer process liquors using cationic polymeric quaternary ammonium salts | |
| HU204734B (en) | Process for separating red mud obtained in bayer process, by using dextran and anionic polymer | |
| AU699929B2 (en) | Removing suspended solids by addition of hydroxamated polymers in the Bayer Process | |
| US6726845B1 (en) | Dextran starch and flocculant combination for improving red mud clarification | |
| EP0232302B1 (en) | Clarification of bayer process liquors | |
| CN1201440A (zh) | 减少拜耳法三水合氧化铝中的杂质 | |
| CN107585917B (zh) | 一种陶瓷抛光废水的处理方法 | |
| US4472280A (en) | Sodium carbonate (soda ash) crystal modification | |
| RU2733523C2 (ru) | Получение продукта горнорудной переработки с применением полимеров, содержащих бороновую кислоту | |
| CN86102989A (zh) | 由含少量反应性硅石的三水铝土矿生产氧化铝 | |
| EP1089797B1 (en) | Dextran starch and flocculant combination for improving red mud clarification | |
| WO1997003928A1 (en) | Process for treating a surplus activated sludge | |
| CN1798701A (zh) | 通过拜耳法制造具有低有机碳的氢氧化铝 | |
| SU1838237A3 (en) | Method to recover aluminium oxide of a bauxite | |
| US5427750A (en) | Polymers for removing humates from bayer process liquors | |
| CN1297480C (zh) | 从拜耳法铝酸钠溶液中清除有机物的工艺 | |
| CN1040185A (zh) | 一种工业生产活性炭的方法 | |
| EP0211338A2 (en) | Process for making alumina | |
| RU2263079C1 (ru) | Способ очистки сточных вод производства хитина из панциря ракообразных | |
| CN110898469A (zh) | 一种提高电石渣浆压滤过程中滤布使用寿命的方法 | |
| RU2024433C1 (ru) | Способ очистки нитрата стронция от примесей бария в технологии получения карбоната стронция | |
| RU2114789C1 (ru) | Способ приготовления растворов флокулянтов |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |