AR072357A1 - Metodo para acondicionar un licor mixto que contiene polisacaridos no ionicos y/o moleculas organicas no ionicas - Google Patents

Metodo para acondicionar un licor mixto que contiene polisacaridos no ionicos y/o moleculas organicas no ionicas

Info

Publication number
AR072357A1
AR072357A1 ARP090101570A ARP090101570A AR072357A1 AR 072357 A1 AR072357 A1 AR 072357A1 AR P090101570 A ARP090101570 A AR P090101570A AR P090101570 A ARP090101570 A AR P090101570A AR 072357 A1 AR072357 A1 AR 072357A1
Authority
AR
Argentina
Prior art keywords
ionic
mixed liquor
organic molecules
conditioning
polyacarids
Prior art date
Application number
ARP090101570A
Other languages
English (en)
Inventor
Deepak A Musale
John H Collins
Original Assignee
Nalco Co
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 Nalco Co filed Critical Nalco Co
Publication of AR072357A1 publication Critical patent/AR072357A1/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1268—Membrane bioreactor systems
    • C02F3/1273—Submerged membrane bioreactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2688—Biological processes
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Activated Sludge Processes (AREA)

Abstract

Método para acondicionar un licor mixto de un reactor biologico de membrana que contiene uno o más polisacáridos no ionicos y/o una o más moléculas orgánicas. Reivindicacion 1: Un método para acondicionar un licor mixto de un reactor biologico de membrana que contiene uno o más polisacáridos no ionicos y/o una o más moléculas orgánicas que no son ionicas, caracterizado porque comprende: a) seleccionar uno o más polímeros anionicos que tiene la capacidad de formar complejos o asociarse con uno o más polisacáridos no ionicos y/o una o más moléculas orgánicas que no son ionicas; b) agregar una composicion que contiene uno o más polímeros anionicos solubles en agua seleccionados del paso (a) al licor mixto; y c) agregar uno o más polímeros anfotéricos, cationicos o zwiterionicos solubles en agua, o una combinacion de los mismos, al licor mixto después de conducir el paso (b).
ARP090101570A 2008-05-02 2009-04-30 Metodo para acondicionar un licor mixto que contiene polisacaridos no ionicos y/o moleculas organicas no ionicas AR072357A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/114,438 US8889008B2 (en) 2008-05-02 2008-05-02 Method of conditioning a mixed liquor containing nonionic polysaccharides and/or nonionic organic molecules

Publications (1)

Publication Number Publication Date
AR072357A1 true AR072357A1 (es) 2010-08-25

Family

ID=41255800

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP090101570A AR072357A1 (es) 2008-05-02 2009-04-30 Metodo para acondicionar un licor mixto que contiene polisacaridos no ionicos y/o moleculas organicas no ionicas

Country Status (10)

Country Link
US (1) US8889008B2 (es)
EP (1) EP2276706A2 (es)
JP (1) JP5780953B2 (es)
AR (1) AR072357A1 (es)
AU (1) AU2009243029B2 (es)
BR (1) BRPI0907674B1 (es)
CA (1) CA2722817C (es)
MX (1) MX2010011904A (es)
WO (1) WO2009134996A2 (es)
ZA (1) ZA201007944B (es)

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
JP5788327B2 (ja) * 2009-10-05 2015-09-30 旭化成ケミカルズ株式会社 膜分離活性汚泥法に用いる添加剤
US20120255903A1 (en) * 2009-12-30 2012-10-11 Steven Duwayne Kloos Non-woven membrane bioreactor and its fouling control method
WO2011088505A1 (en) * 2010-01-19 2011-07-28 Flinders University Of South Australia Low-fouling filtration membranes
JP2012250180A (ja) * 2011-06-03 2012-12-20 Sumitomo Electric Ind Ltd 濾過膜の目詰まり速度の予測方法、及び濾過システム
US9868660B2 (en) * 2012-04-17 2018-01-16 Water Solutions, Inc. Methods and systems for reducing biofouling of microfiltration membranes
US9771437B2 (en) * 2014-03-11 2017-09-26 Italmatch Chemicals S.P.A. Polyelectrolytic polymers, process for their preparation and uses thereof
BR112019006568B1 (pt) * 2016-10-03 2023-04-18 Unilever Ip Holdings B.V Composição de clareamento da água e processo para clareamento da água
US10934189B2 (en) 2016-10-17 2021-03-02 Ecolab Usa Inc. Methods and compositions for clarifying produced waters for boiler feed waters
BR112019027193A2 (pt) * 2017-06-29 2020-06-30 Unilever N.V. composição para a purificação de água e processo para a purificação de água
CN111936429A (zh) * 2018-03-29 2020-11-13 荷兰联合利华有限公司 无金属水澄清组合物

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JPS6391196A (ja) 1986-10-03 1988-04-21 Mitsui Zosen Eng Kk 限外濾過膜を用いたし尿処理における脱リン方法
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JPH034996A (ja) 1989-05-31 1991-01-10 Kubota Corp 高濃度窒素・リン含有廃水処理方法
US5248424A (en) * 1990-08-17 1993-09-28 Zenon Environmental Inc. Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate
US5558774A (en) 1991-10-09 1996-09-24 Zenon Environmental Inc. Aerated hot membrane bioreactor process for treating recalcitrant compounds
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Also Published As

Publication number Publication date
WO2009134996A2 (en) 2009-11-05
BRPI0907674B1 (pt) 2024-02-06
CA2722817A1 (en) 2009-11-05
WO2009134996A3 (en) 2010-01-21
ZA201007944B (en) 2011-07-27
JP5780953B2 (ja) 2015-09-16
EP2276706A2 (en) 2011-01-26
CA2722817C (en) 2017-10-17
JP2011520594A (ja) 2011-07-21
AU2009243029A1 (en) 2009-11-05
MX2010011904A (es) 2011-01-21
US8889008B2 (en) 2014-11-18
US20090272691A1 (en) 2009-11-05
AU2009243029B2 (en) 2014-06-12
BRPI0907674A2 (pt) 2016-11-29

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