CA2451425A1 - Polysaccharides avec fonctions oxime ou amine pour le traitement des eaux et le conditionnement des boues - Google Patents
Polysaccharides avec fonctions oxime ou amine pour le traitement des eaux et le conditionnement des boues Download PDFInfo
- Publication number
- CA2451425A1 CA2451425A1 CA002451425A CA2451425A CA2451425A1 CA 2451425 A1 CA2451425 A1 CA 2451425A1 CA 002451425 A CA002451425 A CA 002451425A CA 2451425 A CA2451425 A CA 2451425A CA 2451425 A1 CA2451425 A1 CA 2451425A1
- Authority
- CA
- Canada
- Prior art keywords
- oxime
- treatment
- polysaccharides
- water treatment
- amine functions
- 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.)
- Granted
Links
- 230000003750 conditioning effect Effects 0.000 title abstract 2
- 150000004676 glycans Chemical class 0.000 title abstract 2
- 229920001282 polysaccharide Polymers 0.000 title abstract 2
- 239000005017 polysaccharide Substances 0.000 title abstract 2
- 239000010802 sludge Substances 0.000 title abstract 2
- 150000001412 amines Chemical group 0.000 title 1
- 150000002923 oximes Chemical class 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
- 229920000642 polymer Polymers 0.000 abstract 2
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 239000003651 drinking water Substances 0.000 abstract 1
- 235000020188 drinking water Nutrition 0.000 abstract 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 125000003544 oxime group Chemical group 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 1
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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
- Y10S210/913—Chromium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
- Y10S210/914—Mercury
Landscapes
- 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
- Activated Sludge Processes (AREA)
Abstract
L'invention est relative à l'utilisation pour le traitement de milieux aqueu x, en particulier le traitement d'effluents aqueux contenant des métaux lourds, le traitement des eaux usées, des eaux potables ou pour le conditionnement d e boues, d'un polymère particulier dérivé d'un polysaccharide copolymère formé d'une chaîne principale comprenant des unités anhydrohexoses semblables ou différentes, et de ramifications comprenant au moins une unité anhydropentos e et/ou anhydrohexose neutre ou anionique, ledit polymère dérivé comprenant un e ou plusieurs unités portant une fonction oxime au moins sur la position C2.< /SDOAB>
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/08879 | 2001-06-29 | ||
FR0108879A FR2826647B1 (fr) | 2001-06-29 | 2001-06-29 | Application de polymeres derives de polysaccharides comprenant une ou plusieurs fonctions oxime ou amine au traitement de milieux aqueux et au conditionnement de boues |
PCT/FR2002/002238 WO2003002464A1 (fr) | 2001-06-29 | 2002-06-27 | Polysaccharides avec fonctions oxime ou amine pour le traitement des eaux et le conditionnement des boues |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2451425A1 true CA2451425A1 (fr) | 2003-01-09 |
CA2451425C CA2451425C (fr) | 2009-06-23 |
Family
ID=8865123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002451425A Expired - Fee Related CA2451425C (fr) | 2001-06-29 | 2002-06-27 | Polysaccharides avec fonctions oxime ou amine pour le traitement des eaux et le conditionnement des boues |
Country Status (5)
Country | Link |
---|---|
US (1) | US7169309B2 (fr) |
EP (1) | EP1399388A1 (fr) |
CA (1) | CA2451425C (fr) |
FR (1) | FR2826647B1 (fr) |
WO (1) | WO2003002464A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2872064B1 (fr) * | 2004-06-29 | 2007-11-09 | Rhodia Cons Spec Ltd | Utilisation de gomme vegetale eventuellement modifiee et eventuellement insoluble pour l'elimination de substances organiques naturelles ou synthetiques dans des liquides |
DE102005004474B3 (de) | 2005-01-31 | 2006-08-31 | Edag Engineering + Design Ag | Bördelvorrichtung und Bördelverfahren zum Umlegen eines Bördelstegs eines Bauteils um eine Bördelkante |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3912715A (en) * | 1972-03-31 | 1975-10-14 | Nat Starch Chem Corp | Process for preparing novel cationic flocculating agents and paper made there-with |
FR2516397B1 (fr) * | 1981-11-16 | 1988-01-15 | Rhone Poulenc Spec Chim | Adjuvant de floculation et procede pour la purification des eaux |
US5738795A (en) * | 1996-06-14 | 1998-04-14 | Betzdearborn Inc. | Compositions and methods for water clarification |
NL1003776C2 (nl) * | 1996-08-09 | 1998-02-20 | Cooperatie Cosun U A | Milieuvriendelijke complexanten voor zware metalen |
JPH10113677A (ja) * | 1996-10-09 | 1998-05-06 | Kokichi Sakai | 重金属捕集剤及び重金属捕集方法 |
US6020422A (en) * | 1996-11-15 | 2000-02-01 | Betzdearborn Inc. | Aqueous dispersion polymers |
DE19953589B4 (de) * | 1999-11-08 | 2005-05-25 | Sca Hygiene Products Gmbh | Polysaccharid mit funktionellen Gruppen, Verfahren zu dessen Herstellung und daraus hergestellte Produkte |
US6846923B2 (en) * | 2001-09-18 | 2005-01-25 | Hercules, Inc. | Oxime-linked polysaccharides and methods of preparing the same |
-
2001
- 2001-06-29 FR FR0108879A patent/FR2826647B1/fr not_active Expired - Fee Related
-
2002
- 2002-06-27 CA CA002451425A patent/CA2451425C/fr not_active Expired - Fee Related
- 2002-06-27 WO PCT/FR2002/002238 patent/WO2003002464A1/fr not_active Application Discontinuation
- 2002-06-27 US US10/481,658 patent/US7169309B2/en not_active Expired - Fee Related
- 2002-06-27 EP EP02762502A patent/EP1399388A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US7169309B2 (en) | 2007-01-30 |
EP1399388A1 (fr) | 2004-03-24 |
CA2451425C (fr) | 2009-06-23 |
US20040217064A1 (en) | 2004-11-04 |
WO2003002464A9 (fr) | 2003-03-06 |
WO2003002464A1 (fr) | 2003-01-09 |
FR2826647B1 (fr) | 2003-12-19 |
FR2826647A1 (fr) | 2003-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20150629 |