DE2526967A1 - Verfahren zur kristallisation von hydraten von kaustischer soda durch abkuehlen einer kaustischen lauge - Google Patents
Verfahren zur kristallisation von hydraten von kaustischer soda durch abkuehlen einer kaustischen laugeInfo
- Publication number
- DE2526967A1 DE2526967A1 DE19752526967 DE2526967A DE2526967A1 DE 2526967 A1 DE2526967 A1 DE 2526967A1 DE 19752526967 DE19752526967 DE 19752526967 DE 2526967 A DE2526967 A DE 2526967A DE 2526967 A1 DE2526967 A1 DE 2526967A1
- Authority
- DE
- Germany
- Prior art keywords
- caustic
- lye
- cooling
- caustic soda
- hydrates
- 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.)
- Withdrawn
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title claims description 132
- 235000011121 sodium hydroxide Nutrition 0.000 title claims description 49
- 239000003518 caustics Substances 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 14
- 150000004677 hydrates Chemical class 0.000 title claims description 10
- 238000002425 crystallisation Methods 0.000 claims description 21
- 230000008025 crystallization Effects 0.000 claims description 21
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 239000011780 sodium chloride Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 150000002739 metals Chemical class 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 239000012267 brine Substances 0.000 claims description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 3
- 239000000463 material Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000000110 cooling liquid Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 150000004683 dihydrates Chemical class 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 150000004682 monohydrates Chemical class 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229920003319 Araldite® Polymers 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000014510 cooky Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000010512 thermal transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- -1 whereby a salty Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction 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
- C01D1/28—Purification; Separation
- C01D1/30—Purification; Separation by crystallisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/087—Heat exchange elements made from metals or metal alloys from nickel or nickel alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemically Coating (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- ing And Chemical Polishing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE146359A BE817421A (fr) | 1974-07-09 | 1974-07-09 | Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2526967A1 true DE2526967A1 (de) | 1976-01-29 |
Family
ID=3842680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752526967 Withdrawn DE2526967A1 (de) | 1974-07-09 | 1975-06-16 | Verfahren zur kristallisation von hydraten von kaustischer soda durch abkuehlen einer kaustischen lauge |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE817421A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2526967A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES438692A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2277770A1 (cg-RX-API-DMAC7.html) |
| IT (1) | IT1038597B (cg-RX-API-DMAC7.html) |
| NL (1) | NL7508191A (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6730653B1 (en) | 2000-06-01 | 2004-05-04 | Ecolab Inc. | Method for manufacturing a molded detergent composition |
| US7037886B2 (en) | 2000-06-01 | 2006-05-02 | Ecolab Inc. | Method for manufacturing a molded detergent composition |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2421359A1 (fr) * | 1978-03-31 | 1979-10-26 | Fives Cail Babcock | Procede de protection des surfaces d'une chaudiere de recuperation en contact avec un fluide chauffant, et chaudiere obtenue par l'application du procede |
-
1974
- 1974-07-09 BE BE146359A patent/BE817421A/xx unknown
-
1975
- 1975-05-30 IT IT23902/75A patent/IT1038597B/it active
- 1975-06-15 ES ES438692A patent/ES438692A1/es not_active Expired
- 1975-06-16 DE DE19752526967 patent/DE2526967A1/de not_active Withdrawn
- 1975-07-07 FR FR7521498A patent/FR2277770A1/fr active Granted
- 1975-07-09 NL NL7508191A patent/NL7508191A/xx not_active Application Discontinuation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6730653B1 (en) | 2000-06-01 | 2004-05-04 | Ecolab Inc. | Method for manufacturing a molded detergent composition |
| US7037886B2 (en) | 2000-06-01 | 2006-05-02 | Ecolab Inc. | Method for manufacturing a molded detergent composition |
| US7674763B2 (en) | 2000-06-01 | 2010-03-09 | Ecolab Inc. | Method for manufacturing a molded detergent composition |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2277770B1 (cg-RX-API-DMAC7.html) | 1977-07-22 |
| NL7508191A (nl) | 1976-01-13 |
| IT1038597B (it) | 1979-11-30 |
| ES438692A1 (es) | 1977-04-01 |
| BE817421A (fr) | 1974-11-04 |
| FR2277770A1 (fr) | 1976-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |