SE9201850L - Katjoniska tanniner framstaellda av barkextrakt fraan barrtraed och anvaendning av dessa vid rening av avloppsvatten - Google Patents
Katjoniska tanniner framstaellda av barkextrakt fraan barrtraed och anvaendning av dessa vid rening av avloppsvattenInfo
- Publication number
- SE9201850L SE9201850L SE9201850A SE9201850A SE9201850L SE 9201850 L SE9201850 L SE 9201850L SE 9201850 A SE9201850 A SE 9201850A SE 9201850 A SE9201850 A SE 9201850A SE 9201850 L SE9201850 L SE 9201850L
- Authority
- SE
- Sweden
- Prior art keywords
- cationic
- tannin
- waste
- barrtraed
- tannines
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
- C07G99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI912967A FI91770C (sv) | 1991-06-18 | 1991-06-18 | Katjoniskt tannin som är användbart som flockuleringsmedel och komposition som är användbara som flockulerings medel vid rening av avloppsvatten |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9201850D0 SE9201850D0 (sv) | 1992-06-16 |
SE9201850L true SE9201850L (sv) | 1992-12-19 |
SE506142C2 SE506142C2 (sv) | 1997-11-17 |
Family
ID=8532737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9201850A SE506142C2 (sv) | 1991-06-18 | 1992-06-16 | Katjoniskt tannin och dess användning vid rening av avloppsvatten |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE4219343C2 (sv) |
FI (1) | FI91770C (sv) |
SE (1) | SE506142C2 (sv) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU669985B2 (en) * | 1993-06-22 | 1996-06-27 | Betz International, Inc. | Compositions and methods for water clarification and wastewater treatment |
BR9904020A (pt) * | 1999-08-27 | 2001-04-24 | Tanac S A | Utilização de um agente coagulante/floculante orgânico e origem vegetal para a remoção de matéria coloidal de águas. |
EP2239370B1 (en) | 2009-04-09 | 2012-06-20 | Kompetenzzentrum Holz GmbH | Dry and wet strength improvement of paper products with cationic tannin |
DE202019103213U1 (de) | 2018-01-16 | 2019-07-15 | helcotec Chemie u. Technik GmbH | Formulierungen zur Abwasserbehandlung |
CN110655161A (zh) * | 2019-11-20 | 2020-01-07 | 上海贤晋质安环保科技有限公司 | 一种水处理改性松树皮絮凝剂的制备方法 |
BR102020005579A2 (pt) * | 2020-03-20 | 2020-05-19 | Tanac S A | processo para preparar um coagulante de origem natural para tratamento de águas e efluentes aquosos, e, coagulante de origem natural. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4558080A (en) * | 1984-01-24 | 1985-12-10 | Dearborn Chemical Company | Stable tannin based polymer compound |
-
1991
- 1991-06-18 FI FI912967A patent/FI91770C/sv active
-
1992
- 1992-06-12 DE DE4219343A patent/DE4219343C2/de not_active Expired - Fee Related
- 1992-06-16 SE SE9201850A patent/SE506142C2/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE9201850D0 (sv) | 1992-06-16 |
FI91770B (sv) | 1994-04-29 |
FI912967A (sv) | 1992-12-19 |
DE4219343A1 (de) | 1992-12-24 |
SE506142C2 (sv) | 1997-11-17 |
DE4219343C2 (de) | 1996-09-26 |
FI91770C (sv) | 1994-08-10 |
FI912967A0 (sv) | 1991-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed | ||
NUG | Patent has lapsed |