SK283913B6 - Spôsob výroby čistých roztokov alkalických hlinitanov - Google Patents
Spôsob výroby čistých roztokov alkalických hlinitanov Download PDFInfo
- Publication number
- SK283913B6 SK283913B6 SK1259-95A SK125995A SK283913B6 SK 283913 B6 SK283913 B6 SK 283913B6 SK 125995 A SK125995 A SK 125995A SK 283913 B6 SK283913 B6 SK 283913B6
- Authority
- SK
- Slovakia
- Prior art keywords
- alumina
- solutions
- alkali
- solid
- aluminum
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 229910052783 alkali metal Inorganic materials 0.000 title abstract 4
- -1 alkali-metal aluminates Chemical class 0.000 title abstract 4
- 239000007787 solid Substances 0.000 claims abstract description 35
- 239000002699 waste material Substances 0.000 claims abstract description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 36
- 150000004645 aluminates Chemical class 0.000 claims description 16
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 16
- 239000003513 alkali Substances 0.000 claims description 14
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 11
- 238000001704 evaporation Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000007800 oxidant agent Substances 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 5
- 239000012065 filter cake Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002671 adjuvant Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000008394 flocculating agent Substances 0.000 claims description 2
- 238000005374 membrane filtration Methods 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims description 2
- 239000005909 Kieselgur Substances 0.000 claims 1
- 235000010980 cellulose Nutrition 0.000 claims 1
- 239000008139 complexing agent Substances 0.000 claims 1
- 238000007670 refining Methods 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 abstract description 27
- 238000000746 purification Methods 0.000 abstract description 10
- 239000004411 aluminium Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 63
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 26
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 20
- 229910001388 sodium aluminate Inorganic materials 0.000 description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 14
- 238000007743 anodising Methods 0.000 description 14
- 239000000543 intermediate Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000007795 chemical reaction product Substances 0.000 description 8
- 235000011121 sodium hydroxide Nutrition 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000010802 sludge Substances 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 5
- 229910001948 sodium oxide Inorganic materials 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000004131 Bayer process Methods 0.000 description 3
- 239000007868 Raney catalyst Substances 0.000 description 3
- 229910000564 Raney nickel Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 235000010755 mineral Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 2
- 108010000912 Egg Proteins Proteins 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000004042 decolorization Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 210000003278 egg shell Anatomy 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000006193 liquid solution Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000012465 retentate Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 229910052664 nepheline Inorganic materials 0.000 description 1
- 239000010434 nepheline Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000000108 ultra-filtration 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
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
-
- 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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4311716A DE4311716C1 (de) | 1993-04-08 | 1993-04-08 | Verfahren zur Herstellung von reinen Alkalialuminaten |
| PCT/EP1994/001081 WO1994024050A2 (de) | 1993-04-08 | 1994-04-07 | Verfahren zur reinigung von alkalialuminatenthaltenden lösungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK125995A3 SK125995A3 (en) | 1996-02-07 |
| SK283913B6 true SK283913B6 (sk) | 2004-05-04 |
Family
ID=6485146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK1259-95A SK283913B6 (sk) | 1993-04-08 | 1994-04-07 | Spôsob výroby čistých roztokov alkalických hlinitanov |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0693040A1 (cs) |
| CZ (1) | CZ290971B6 (cs) |
| DE (1) | DE4311716C1 (cs) |
| PL (1) | PL310826A1 (cs) |
| SK (1) | SK283913B6 (cs) |
| WO (1) | WO1994024050A2 (cs) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2728886A1 (fr) * | 1994-12-28 | 1996-07-05 | Softal | Aluminate de sodium solide a proprietes d'emploi ameliorees et procede de fabrication de cet aluminate |
| DE10054128A1 (de) * | 2000-10-31 | 2002-05-08 | Heiko Weber | Verfahren zur Entsorgung von in einem Aluminium-Eloxalwerk anfallenden Abfallstoffen |
| ES2277556B1 (es) * | 2005-12-26 | 2008-06-16 | Safloc, S.L. | Procedimiento de fabricacion de sales basicas de aluminio y sus derivados a partir de residuos aluminosos y aplicaciones. |
| EP2352859B1 (de) * | 2008-11-03 | 2018-06-27 | Thomas König | Beizverfahren und beizanlage |
| GR1006987B (el) * | 2009-07-30 | 2010-09-27 | Νταϊλιανης, Νικολαος | Παραγωγη αργιλικου νατριου με ταυτοχρονη ανακυκλωση των αποβλητων αλκαλικης πλυσης μητρων βιομηχανιων διελασης αλουμινιου με χρηση του υπαρχοντος εξοπλισμου πλυσης |
| DE102013108375A1 (de) | 2013-01-31 | 2014-07-31 | Thomas König | Verfahren zum Aufbereiten eines Beiz- und/oder Eloxalbades und Eloxieranordnung |
| GR1009539B (el) * | 2018-04-03 | 2019-06-03 | Νικολαος Κωνσταντινου Νταϊλιανης | Μεθοδος και απλος εξοπλισμος για την ανακυκλωση των αλκαλικων αποβλητων των βιομηχανιων διελασης αλουμινιου προς παραγωγη χρησιμων κροκιδωτικων |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1470336A (fr) * | 1965-12-24 | 1967-02-24 | Electro Chimie Soc D | Perfectionnements à la purification de solutions d'aluminates alcalins |
| JPS5021303B1 (cs) * | 1970-12-30 | 1975-07-22 | ||
| FR2421849A1 (fr) * | 1978-04-05 | 1979-11-02 | Wajc Samuel | Procede integre de traitement des eaux residuaires d'ateliers d'anodisation et installation utilisee pour ce procede |
| US4261958A (en) * | 1978-04-11 | 1981-04-14 | Pevzner Ilya Z | Process for the production of sodium aluminate |
| WO1987001107A1 (fr) * | 1985-08-22 | 1987-02-26 | Vsesojuzny Nauchno-Issledovatelsky I Proektny Inst | Procede pour l'obtention d'hydroaluminate d'un metal alcalin |
| DE3908661A1 (de) * | 1989-03-16 | 1990-10-18 | Solvay Werke Gmbh | Verfahren zur herstellung von natriumaluminat |
| US5275691A (en) * | 1991-02-28 | 1994-01-04 | Fuji Photo Film Co., Ltd. | Method for treating a surface of an aluminum substrate for a printing plate |
-
1993
- 1993-04-08 DE DE4311716A patent/DE4311716C1/de not_active Expired - Fee Related
-
1994
- 1994-04-07 SK SK1259-95A patent/SK283913B6/sk unknown
- 1994-04-07 WO PCT/EP1994/001081 patent/WO1994024050A2/de not_active Ceased
- 1994-04-07 PL PL94310826A patent/PL310826A1/xx unknown
- 1994-04-07 EP EP94916913A patent/EP0693040A1/de not_active Withdrawn
- 1994-04-07 CZ CZ19952613A patent/CZ290971B6/cs not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CZ261395A3 (en) | 1996-05-15 |
| CZ290971B6 (cs) | 2002-11-13 |
| WO1994024050A2 (de) | 1994-10-27 |
| DE4311716C1 (de) | 1994-11-24 |
| EP0693040A1 (de) | 1996-01-24 |
| PL310826A1 (en) | 1996-01-08 |
| SK125995A3 (en) | 1996-02-07 |
| WO1994024050A3 (de) | 1994-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2023509228A (ja) | 硫酸法チタン白生産廃水の完全資源化リサイクル方法 | |
| CN101885498A (zh) | 一种高纯硫酸镁的制备方法 | |
| HRP930104A2 (en) | Process of sodium oxalate elimination from sodium aluminate solutions through bayer cyclic process | |
| SK283913B6 (sk) | Spôsob výroby čistých roztokov alkalických hlinitanov | |
| US6077439A (en) | Method for the removal of metals from solution by means of activated silica | |
| US6214313B1 (en) | High-purity magnesium hydroxide and process for its production | |
| US6893474B2 (en) | Purification process | |
| JP4468571B2 (ja) | 浄水処理システム及び浄水処理方法 | |
| SE531165C2 (sv) | Behandling av avloppsvatten innehållande aluminium | |
| KR101149984B1 (ko) | 폐동에칭용액으로부터 고순도 및 저염소의 황산동5수화물을 제조하는 방법 | |
| SU1279954A1 (ru) | Способ получени тиосульфата натри | |
| JPS61101416A (ja) | 塩水精製法 | |
| RU2479492C2 (ru) | Способ очистки сточных вод | |
| RU2085509C1 (ru) | Способ очистки щелочных сточных вод, неорганический коагулянт для очистки щелочных сточных вод и способ его получения | |
| SK50196A3 (en) | Process for the treatment of acidic liquors and simultaneous gaining commercial products and a product for processing water | |
| RU2556894C1 (ru) | Способ комплексной очистки мелассы и извлечения из нее сахарозы | |
| JP2002143607A (ja) | 水処理凝集剤及びその製造方法並びに水処理方法 | |
| RU2132305C1 (ru) | Способ умягчения и очистки питьевой воды | |
| RU2094364C1 (ru) | Способ переработки серной кислоты на сульфат алюминия | |
| Barakat et al. | Removing Al and regenerating caustic soda from the spent washing liquor of Al etching | |
| JP4118495B2 (ja) | 泥漿の再利用方法 | |
| RU2146299C1 (ru) | Способ концентрирования марганца из сливных вод | |
| SU819059A1 (ru) | Способ получени гидрогаллосиликатаНАТРи ТипА НАТРОлиТА | |
| SU833574A1 (ru) | Способ очистки сточных вод | |
| RU1775372C (ru) | Способ очистки сточных вод от фтора |