RU2000100040A - Способ удаления ионов металлов из смесей крезолов - Google Patents
Способ удаления ионов металлов из смесей крезоловInfo
- Publication number
- RU2000100040A RU2000100040A RU2000100040/04A RU2000100040A RU2000100040A RU 2000100040 A RU2000100040 A RU 2000100040A RU 2000100040/04 A RU2000100040/04 A RU 2000100040/04A RU 2000100040 A RU2000100040 A RU 2000100040A RU 2000100040 A RU2000100040 A RU 2000100040A
- Authority
- RU
- Russia
- Prior art keywords
- cresol
- metal ions
- removing metal
- mixture
- cresol mixtures
- Prior art date
Links
- 150000001896 cresols Chemical class 0.000 title claims 5
- 239000000203 mixture Substances 0.000 title claims 5
- 150000002500 ions Chemical class 0.000 title claims 4
- 239000002184 metal Substances 0.000 title claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 230000002378 acidificating Effects 0.000 claims 2
- 150000001491 aromatic compounds Chemical class 0.000 claims 1
- 230000001105 regulatory Effects 0.000 claims 1
Claims (3)
1. Способ удаления ионов металла из крезола или из смесей ароматических соединений, содержащих крезол, отличающийся тем, что содержание воды в смеси крезола регулируют путем добавления воды до значения по крайней мере 0,5% по массе, с последующим пропусканием смеси крезол-вода через кислый ионообменник.
2. Способ по п.1, отличающийся тем, что содержание воды в смеси крезолов регулируют до значения от около 1 до 10% по массе.
3. Способ по п.1 или 2, отличающийся тем, что ионообменник является сильно кислым.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19814555A DE19814555C1 (de) | 1998-04-01 | 1998-04-01 | Verfahren zum Entfernen von Metallionen aus Kresolgemischen |
| DE19814555.1 | 1998-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2000100040A true RU2000100040A (ru) | 2001-11-20 |
| RU2202533C2 RU2202533C2 (ru) | 2003-04-20 |
Family
ID=7863212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2000100040/04A RU2202533C2 (ru) | 1998-04-01 | 1999-03-30 | Способ удаления ионов металлов из смесей крезолов |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6258985B1 (ru) |
| EP (1) | EP0988268B1 (ru) |
| JP (1) | JP3781437B2 (ru) |
| CN (1) | CN1131193C (ru) |
| AU (1) | AU3703599A (ru) |
| CZ (1) | CZ293007B6 (ru) |
| DE (2) | DE19814555C1 (ru) |
| RU (1) | RU2202533C2 (ru) |
| TW (1) | TW474910B (ru) |
| WO (1) | WO1999050212A1 (ru) |
| ZA (1) | ZA997408B (ru) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3351669A (en) * | 1963-06-28 | 1967-11-07 | Dow Chemical Co | Reduction of metal content of phenolics |
| US4365099A (en) | 1981-05-12 | 1982-12-21 | General Electric Company | Process for the production of bisphenols |
| US4370240A (en) * | 1981-06-10 | 1983-01-25 | United States Steel Corporation | Removal of iron compounds from organic process streams |
-
1998
- 1998-04-01 DE DE19814555A patent/DE19814555C1/de not_active Expired - Fee Related
-
1999
- 1999-03-30 WO PCT/EP1999/002191 patent/WO1999050212A1/de active IP Right Grant
- 1999-03-30 CN CN99800434A patent/CN1131193C/zh not_active Expired - Fee Related
- 1999-03-30 EP EP99919162A patent/EP0988268B1/de not_active Expired - Lifetime
- 1999-03-30 US US09/424,524 patent/US6258985B1/en not_active Expired - Fee Related
- 1999-03-30 CZ CZ19994280A patent/CZ293007B6/cs not_active IP Right Cessation
- 1999-03-30 DE DE59903816T patent/DE59903816D1/de not_active Expired - Fee Related
- 1999-03-30 AU AU37035/99A patent/AU3703599A/en not_active Abandoned
- 1999-03-30 JP JP54889399A patent/JP3781437B2/ja not_active Expired - Fee Related
- 1999-03-30 RU RU2000100040/04A patent/RU2202533C2/ru active
- 1999-05-05 TW TW088105112A patent/TW474910B/zh active
- 1999-11-30 ZA ZA9907408A patent/ZA997408B/xx unknown
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