WO2003002464A1 - 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 PDF

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Publication number
WO2003002464A1
WO2003002464A1 PCT/FR2002/002238 FR0202238W WO03002464A1 WO 2003002464 A1 WO2003002464 A1 WO 2003002464A1 FR 0202238 W FR0202238 W FR 0202238W WO 03002464 A1 WO03002464 A1 WO 03002464A1
Authority
WO
WIPO (PCT)
Prior art keywords
treatment
oxime
sludge conditioning
polysaccharides
water treatment
Prior art date
Application number
PCT/FR2002/002238
Other languages
English (en)
Other versions
WO2003002464A9 (fr
Inventor
Etienne Fleury
Cécile Bonnet-Gonnet
Yvette Pescher
Original Assignee
Rhodia Chimie
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rhodia Chimie filed Critical Rhodia Chimie
Priority to US10/481,658 priority Critical patent/US7169309B2/en
Priority to EP02762502A priority patent/EP1399388A1/fr
Priority to CA002451425A priority patent/CA2451425C/fr
Publication of WO2003002464A1 publication Critical patent/WO2003002464A1/fr
Publication of WO2003002464A9 publication Critical patent/WO2003002464A9/fr

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
    • C02F1/54—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

Abstract

L'invention est relative à l'utilisation pour le traitement de milieux aqueux, en particulier le traitement d'effluents aqueux contenant des métaux lourds, le traitement des eaux usées, des eaux potables ou pour le conditionnement de 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 anhydropentose et/ou anhydrohexose neutre ou anionique, ledit polymère dérivé comprenant une ou plusieurs unités portant une fonction oxime au moins sur la position C2.

Description

Claims
PCT/FR2002/002238 2001-06-29 2002-06-27 Polysaccharides avec fonctions oxime ou amine pour le traitement des eaux et le conditionnement des boues WO2003002464A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/481,658 US7169309B2 (en) 2001-06-29 2002-06-27 Polysaccharides with oxime or amine functions which are used for water treatment and sludge conditioning
EP02762502A EP1399388A1 (fr) 2001-06-29 2002-06-27 Polysaccharides avec fonctions oxime ou amine pour le traitement des eaux et le conditionnement des boues
CA002451425A CA2451425C (fr) 2001-06-29 2002-06-27 Polysaccharides avec fonctions oxime ou amine pour le traitement des eaux et le conditionnement des boues

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
WO2003002464A1 true WO2003002464A1 (fr) 2003-01-09
WO2003002464A9 WO2003002464A9 (fr) 2003-03-06

Family

ID=8865123

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1685915A1 (fr) 2005-01-31 2006-08-02 EDAG Engineering + Design Aktiengesellschaft Procédé de sertissage avec outil de présertissage et de sertissage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Citations (3)

* Cited by examiner, † Cited by third party
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
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
WO1998021271A1 (fr) * 1996-11-15 1998-05-22 Betzdearborn Inc. Polymeres de dispersion aqueuse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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
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
WO1998021271A1 (fr) * 1996-11-15 1998-05-22 Betzdearborn Inc. Polymeres de dispersion aqueuse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 10 31 August 1998 (1998-08-31) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1685915A1 (fr) 2005-01-31 2006-08-02 EDAG Engineering + Design Aktiengesellschaft Procédé de sertissage avec outil de présertissage et de sertissage

Also Published As

Publication number Publication date
FR2826647B1 (fr) 2003-12-19
US20040217064A1 (en) 2004-11-04
CA2451425C (fr) 2009-06-23
EP1399388A1 (fr) 2004-03-24
FR2826647A1 (fr) 2003-01-03
US7169309B2 (en) 2007-01-30
CA2451425A1 (fr) 2003-01-09
WO2003002464A9 (fr) 2003-03-06

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