EP1399388A1 - 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

Info

Publication number
EP1399388A1
EP1399388A1 EP02762502A EP02762502A EP1399388A1 EP 1399388 A1 EP1399388 A1 EP 1399388A1 EP 02762502 A EP02762502 A EP 02762502A EP 02762502 A EP02762502 A EP 02762502A EP 1399388 A1 EP1399388 A1 EP 1399388A1
Authority
EP
European Patent Office
Prior art keywords
treatment
oxime
sludge conditioning
polysaccharides
water treatment
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.)
Withdrawn
Application number
EP02762502A
Other languages
German (de)
English (en)
Inventor
Etienne Fleury
Cécile Bonnet-Gonnet
Yvette Pescher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhodia Chimie SAS
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 SAS filed Critical Rhodia Chimie SAS
Publication of EP1399388A1 publication Critical patent/EP1399388A1/fr
Withdrawn legal-status Critical Current

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

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 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
EP02762502A 2001-06-29 2002-06-27 Polysaccharides avec fonctions oxime ou amine pour le traitement des eaux et le conditionnement des boues Withdrawn EP1399388A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
FR0108879 2001-06-29
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 (1)

Publication Number Publication Date
EP1399388A1 true EP1399388A1 (fr) 2004-03-24

Family

ID=8865123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02762502A Withdrawn EP1399388A1 (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)

* 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
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)

* 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
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03002464A1 *

Also Published As

Publication number Publication date
FR2826647A1 (fr) 2003-01-03
US7169309B2 (en) 2007-01-30
US20040217064A1 (en) 2004-11-04
CA2451425A1 (fr) 2003-01-09
CA2451425C (fr) 2009-06-23
WO2003002464A1 (fr) 2003-01-09
FR2826647B1 (fr) 2003-12-19
WO2003002464A9 (fr) 2003-03-06

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Legal Events

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Effective date: 20150106