DE60315119D1 - Verdampfersystem für Alkalimetallhydroxid - Google Patents
Verdampfersystem für AlkalimetallhydroxidInfo
- Publication number
- DE60315119D1 DE60315119D1 DE60315119T DE60315119T DE60315119D1 DE 60315119 D1 DE60315119 D1 DE 60315119D1 DE 60315119 T DE60315119 T DE 60315119T DE 60315119 T DE60315119 T DE 60315119T DE 60315119 D1 DE60315119 D1 DE 60315119D1
- Authority
- DE
- Germany
- Prior art keywords
- alkali metal
- metal hydroxide
- evaporator system
- corrosion
- evaporator
- 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 - Lifetime
Links
- 150000008044 alkali metal hydroxides Chemical class 0.000 title abstract 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 6
- 229910052759 nickel Inorganic materials 0.000 abstract 3
- 238000005260 corrosion Methods 0.000 abstract 2
- 230000007797 corrosion Effects 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000007769 metal material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/42—Concentration; Dehydration
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US322295 | 2002-12-17 | ||
US10/322,295 US6669837B1 (en) | 2002-12-17 | 2002-12-17 | Alkali metal hydroxide evaporator system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60315119D1 true DE60315119D1 (de) | 2007-09-06 |
DE60315119T2 DE60315119T2 (de) | 2008-04-10 |
Family
ID=29735895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60315119T Expired - Lifetime DE60315119T2 (de) | 2002-12-17 | 2003-11-25 | Verdampfersystem für Alkalimetallhydroxid |
Country Status (7)
Country | Link |
---|---|
US (1) | US6669837B1 (de) |
EP (1) | EP1431419B1 (de) |
AT (1) | ATE368006T1 (de) |
DE (1) | DE60315119T2 (de) |
DK (1) | DK1431419T3 (de) |
ES (1) | ES2290405T3 (de) |
PT (1) | PT1431419E (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101428824B (zh) * | 2008-12-09 | 2010-06-09 | 沈阳东方钛业有限公司 | 碱液浓缩与提炼装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3244605A (en) | 1963-07-05 | 1966-04-05 | Dow Chemical Co | Purification of aqueous caustic solutions |
US3664885A (en) | 1970-05-07 | 1972-05-23 | Frida Abramovna Orlova | Method for protection of evaporator heating elements from corrosion |
US3784456A (en) | 1972-03-02 | 1974-01-08 | Ppg Industries Inc | Apparatus and method for purifying alkali metal hydroxide solutions |
US4196184A (en) * | 1972-05-30 | 1980-04-01 | Olin Corporation | Lime recovery process |
US3954948A (en) * | 1973-03-12 | 1976-05-04 | Olin Corporation | Process for manufacture of calcium hypochlorite |
FR2327326A1 (fr) * | 1975-10-08 | 1977-05-06 | Solvay | Procede pour la manutention de solutions aqueuses d'hydroxydes de metaux alcalins concentrees en halogenures de metaux alcalins |
DE2947454C2 (de) * | 1979-11-24 | 1982-05-06 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Verfahren zur Trennung der bei einer Schmelzflußelektrolyse entwickelten Gase und Schmelzflußelektrolysevorrichtung |
US4585579A (en) | 1984-10-01 | 1986-04-29 | Occidental Chemical Corporation | Suppression of corrosion in caustic manufacturing systems |
US4847062A (en) * | 1987-09-24 | 1989-07-11 | E. I. Du Pont De Nemours And Company | Process for production of sodium cyanide |
JPH07500286A (ja) * | 1992-03-30 | 1995-01-12 | メグ エッセ.エネ.チ.ディ スコペッリティ ソフィア アンド チ. | 水組成物 |
US5824283A (en) * | 1997-04-28 | 1998-10-20 | Inco Limited | Process for producing nickel hydroxide from elemental nickel |
SE519589C2 (sv) * | 1998-02-18 | 2003-03-18 | Sandvik Ab | Användning av höghållfast rostfritt stål i apparatur för framställning av kaustiksoda |
US6200455B1 (en) | 1999-10-14 | 2001-03-13 | Pioneer (East) Inc. | Method for reducing the plating of nickel on vessels, piping and cells in an alkali metal hydroxide manufacturing process |
US6080299A (en) * | 1999-10-14 | 2000-06-27 | Pioneer (East) Inc. | Method for removal of nickel and iron from alkali metal hydroxide manufacturing process requiring the use of sodium borohydride |
-
2002
- 2002-12-17 US US10/322,295 patent/US6669837B1/en not_active Expired - Fee Related
-
2003
- 2003-11-25 DK DK03257413T patent/DK1431419T3/da active
- 2003-11-25 DE DE60315119T patent/DE60315119T2/de not_active Expired - Lifetime
- 2003-11-25 AT AT03257413T patent/ATE368006T1/de not_active IP Right Cessation
- 2003-11-25 PT PT03257413T patent/PT1431419E/pt unknown
- 2003-11-25 EP EP03257413A patent/EP1431419B1/de not_active Expired - Lifetime
- 2003-11-25 ES ES03257413T patent/ES2290405T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6669837B1 (en) | 2003-12-30 |
EP1431419B1 (de) | 2007-07-25 |
ES2290405T3 (es) | 2008-02-16 |
DE60315119T2 (de) | 2008-04-10 |
EP1431419A3 (de) | 2004-07-14 |
DK1431419T3 (da) | 2007-11-05 |
ATE368006T1 (de) | 2007-08-15 |
PT1431419E (pt) | 2007-09-26 |
EP1431419A2 (de) | 2004-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |