DE2052099A1 - Verfahren zur Reinigung von Natronlauge - Google Patents
Verfahren zur Reinigung von NatronlaugeInfo
- Publication number
- DE2052099A1 DE2052099A1 DE19702052099 DE2052099A DE2052099A1 DE 2052099 A1 DE2052099 A1 DE 2052099A1 DE 19702052099 DE19702052099 DE 19702052099 DE 2052099 A DE2052099 A DE 2052099A DE 2052099 A1 DE2052099 A1 DE 2052099A1
- Authority
- DE
- Germany
- Prior art keywords
- hydroxide solution
- sodium hydroxide
- caustic soda
- lye
- layer
- 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.)
- Pending
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title claims description 80
- 235000011121 sodium hydroxide Nutrition 0.000 title claims description 29
- 238000000034 method Methods 0.000 title claims description 5
- 238000004140 cleaning Methods 0.000 title description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 238000011109 contamination Methods 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 238000007865 diluting Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 27
- 229910052742 iron Inorganic materials 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 5
- 235000019738 Limestone Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 241001461123 Matrona Species 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 241000173697 Euchloe naina Species 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Classifications
-
- 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
- C01D1/32—Purification; Separation by absorption or precipitation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/22—Purification
- C01D7/26—Purification by precipitation or adsorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT945870A AT304583B (de) | 1970-10-21 | 1970-10-21 | Verfahren zur Reinigung von Natronlauge |
| DE19702052099 DE2052099A1 (de) | 1970-10-21 | 1970-10-23 | Verfahren zur Reinigung von Natronlauge |
| CH1462371A CH559706A5 (enrdf_load_stackoverflow) | 1970-10-21 | 1971-10-07 | |
| FR7136224A FR2111141A5 (enrdf_load_stackoverflow) | 1970-10-21 | 1971-10-08 | |
| GB4844671A GB1321565A (en) | 1970-10-21 | 1971-10-18 | Process for the purification of aqueous sodium hydroxide solution |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT945870A AT304583B (de) | 1970-10-21 | 1970-10-21 | Verfahren zur Reinigung von Natronlauge |
| DE19702052099 DE2052099A1 (de) | 1970-10-21 | 1970-10-23 | Verfahren zur Reinigung von Natronlauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2052099A1 true DE2052099A1 (de) | 1972-04-27 |
Family
ID=25605544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702052099 Pending DE2052099A1 (de) | 1970-10-21 | 1970-10-23 | Verfahren zur Reinigung von Natronlauge |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT304583B (enrdf_load_stackoverflow) |
| CH (1) | CH559706A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2052099A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2111141A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1321565A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6304047B1 (en) * | 1999-05-20 | 2001-10-16 | Asmo Co., Ltd. | Wiper motor control apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250026655A1 (en) * | 2023-07-21 | 2025-01-23 | Air Products And Chemicals, Inc. | Purification of Concentrated Aqueous Hydroxide Solutions for Electrolysis |
-
1970
- 1970-10-21 AT AT945870A patent/AT304583B/de active
- 1970-10-23 DE DE19702052099 patent/DE2052099A1/de active Pending
-
1971
- 1971-10-07 CH CH1462371A patent/CH559706A5/xx not_active IP Right Cessation
- 1971-10-08 FR FR7136224A patent/FR2111141A5/fr not_active Expired
- 1971-10-18 GB GB4844671A patent/GB1321565A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6304047B1 (en) * | 1999-05-20 | 2001-10-16 | Asmo Co., Ltd. | Wiper motor control apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CH559706A5 (enrdf_load_stackoverflow) | 1975-03-14 |
| FR2111141A5 (enrdf_load_stackoverflow) | 1972-06-02 |
| AT304583B (de) | 1973-01-10 |
| GB1321565A (en) | 1973-06-27 |
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