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FR2694928B1 - Composition de lits de filtres melanges et son procede d'utilisation. - Google Patents

Composition de lits de filtres melanges et son procede d'utilisation.

Info

Publication number
FR2694928B1
FR2694928B1 FR9310118A FR9310118A FR2694928B1 FR 2694928 B1 FR2694928 B1 FR 2694928B1 FR 9310118 A FR9310118 A FR 9310118A FR 9310118 A FR9310118 A FR 9310118A FR 2694928 B1 FR2694928 B1 FR 2694928B1
Authority
FR
France
Prior art keywords
composition
same
filter beds
mixed filter
mixed
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.)
Expired - Fee Related
Application number
FR9310118A
Other languages
English (en)
Other versions
FR2694928A1 (fr
Inventor
Donald H White Jr
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.)
Pall Corp
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Publication of FR2694928A1 publication Critical patent/FR2694928A1/fr
Application granted granted Critical
Publication of FR2694928B1 publication Critical patent/FR2694928B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous material
    • B01D39/2058—Carbonaceous material the material being particulate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Analytical Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Materials (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR9310118A 1992-08-20 1993-08-19 Composition de lits de filtres melanges et son procede d'utilisation. Expired - Fee Related FR2694928B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/932,596 US5178768A (en) 1992-08-20 1992-08-20 Mixed filter bed composition and method of use

Publications (2)

Publication Number Publication Date
FR2694928A1 FR2694928A1 (fr) 1994-02-25
FR2694928B1 true FR2694928B1 (fr) 1996-07-19

Family

ID=25462570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9310118A Expired - Fee Related FR2694928B1 (fr) 1992-08-20 1993-08-19 Composition de lits de filtres melanges et son procede d'utilisation.

Country Status (7)

Country Link
US (1) US5178768A (fr)
JP (1) JP2706658B2 (fr)
CA (1) CA2079820C (fr)
DE (1) DE4327981C2 (fr)
FR (1) FR2694928B1 (fr)
GB (1) GB2269815B (fr)
IT (1) IT1261242B (fr)

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US6254894B1 (en) 1996-04-05 2001-07-03 Zodiac Pool Care, Inc. Silver self-regulating water purification compositions and methods
US5772896A (en) * 1996-04-05 1998-06-30 Fountainhead Technologies Self-regulating water purification composition
WO1998014265A1 (fr) * 1996-10-01 1998-04-09 Honeywell Inc. Procede de fabrication de filtres en carbone moule
US7288498B1 (en) 1997-03-18 2007-10-30 Selecto, Inc Transition metal oxide-aluminosilicate purification media
US6662956B2 (en) 1997-03-18 2003-12-16 Selecto, Inc. Nanocrystal-containing filtration media
US20020195407A1 (en) * 1997-03-18 2002-12-26 Ehud Levy Purfication media
JPH1143365A (ja) * 1997-07-23 1999-02-16 Tohoku Bankin Toso Kogyo Kk 還元水用粒状セラミックスおよびその製造方法
US5880047A (en) * 1997-08-13 1999-03-09 Tohoku Bankin Toso Kogyo Kabushiki Kaisha Granular ceramic for improving burning efficiency of hydrocarbon oils and method of producing the same
SE9802140D0 (sv) * 1998-06-16 1998-06-16 Ordio Ab Zeoliter för adsorption
US7229550B2 (en) * 1999-04-23 2007-06-12 Haase Richard A Potable water treatment system and apparatus
AU4475800A (en) * 1999-04-23 2000-11-10 Clear Value, Inc. Potable water treatment system and method of operation thereof
AR036452A1 (es) * 2001-09-10 2004-09-08 Procter & Gamble Filtro para remocion de contaminantes de un fluido lipofilo, proceso para remover contaminante y fluido filtrado por dicho proceso
US7276162B2 (en) * 2001-09-10 2007-10-02 The Procter & Gamble Co. Removal of contaminants from a lipophilic fluid
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US6863825B2 (en) * 2003-01-29 2005-03-08 Union Oil Company Of California Process for removing arsenic from aqueous streams
US7303683B2 (en) * 2003-04-04 2007-12-04 The Clorox Company Microorganism-removing filter medium having high isoelectric material and low melt index binder
US6989101B2 (en) 2003-04-04 2006-01-24 The Clorox Company Microorganism-removing filter medium having high isoelectric material and low melt index binder
EP1680364A4 (fr) * 2003-09-15 2009-08-05 Univ Delaware Elimination de micro-organismes et ou de precurseurs de produits secondaires de desinfection a base de fer ou d'aluminium elementaires
US7314568B2 (en) * 2003-12-01 2008-01-01 Shay Dale A Water conditioning system
KR20060126486A (ko) * 2003-12-04 2006-12-07 액세스 비지니스 그룹 인터내셔날 엘엘씨 정균 유체 필터
US7491337B2 (en) * 2004-04-23 2009-02-17 Jeffbrad Investments Pty Limited Method and apparatus for removing contaminants from water
US7250126B2 (en) * 2004-08-11 2007-07-31 Fleetguard, Inc. Acid-neutralizing filter media
WO2006065825A2 (fr) * 2004-12-13 2006-06-22 University Of Hawaii Generation de radicaux libres, procedes d'analyse, desinfections bacteriennes, et destruction oxydative de produits chimiques organiques utilisant du fer a valence zero et d'autres metaux
US8066874B2 (en) * 2006-12-28 2011-11-29 Molycorp Minerals, Llc Apparatus for treating a flow of an aqueous solution containing arsenic
JP5054194B2 (ja) * 2007-08-01 2012-10-24 日立化成工業株式会社 大容量微粒子サンプル中の病原体検出
US8349764B2 (en) * 2007-10-31 2013-01-08 Molycorp Minerals, Llc Composition for treating a fluid
US8252087B2 (en) * 2007-10-31 2012-08-28 Molycorp Minerals, Llc Process and apparatus for treating a gas containing a contaminant
US20090107925A1 (en) * 2007-10-31 2009-04-30 Chevron U.S.A. Inc. Apparatus and process for treating an aqueous solution containing biological contaminants
US20090107919A1 (en) * 2007-10-31 2009-04-30 Chevron U.S.A. Inc. Apparatus and process for treating an aqueous solution containing chemical contaminants
JP2010005485A (ja) * 2008-06-24 2010-01-14 Nihon Technical Development Center Co Ltd 水の浄化用フィルターカートリッジ
US20100155330A1 (en) * 2008-11-11 2010-06-24 Molycorp Minerals, Llc Target material removal using rare earth metals
US9206058B2 (en) * 2009-02-20 2015-12-08 The Water Initative, Llc Water purification and enhancement systems
TW201038510A (en) * 2009-03-16 2010-11-01 Molycorp Minerals Llc Porous and durable ceramic filter monolith coated with a rare earth for removing contaminates from water
PE20121145A1 (es) * 2009-04-09 2012-08-30 Molycorp Minerals Llc Proceso para la remocion de uno o mas contaminantes de una solucion de electro-refinacion utilizando metales de tierras raras
US8192635B2 (en) * 2009-04-20 2012-06-05 Dholakia Jayant M Method for reducing clogging of filters
AU2010270723A1 (en) * 2009-07-06 2012-02-09 Molycorp Minerals Llc Ceria for use as an antimicrobial barrier and disinfectant in a wound dressing
WO2011057281A1 (fr) * 2009-11-09 2011-05-12 Molycorp Minerals Llc Elimination de colorants au moyen de terres rares
US9233863B2 (en) 2011-04-13 2016-01-12 Molycorp Minerals, Llc Rare earth removal of hydrated and hydroxyl species
WO2015134981A2 (fr) 2014-03-07 2015-09-11 Molycorp Minerals, Llc Oxyde de cérium (iv) ayant d'exceptionnelles propriétés d'élimination de l'arsenic
US10870589B2 (en) 2016-04-27 2020-12-22 Jan D. Graves Filtering system for removing chemicals from fluids

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Also Published As

Publication number Publication date
ITTO930624A1 (it) 1995-02-19
DE4327981A1 (de) 1994-02-24
JP2706658B2 (ja) 1998-01-28
GB2269815B (en) 1996-04-03
CA2079820A1 (fr) 1994-02-21
GB2269815A (en) 1994-02-23
CA2079820C (fr) 1998-07-28
US5178768A (en) 1993-01-12
IT1261242B (it) 1996-05-09
FR2694928A1 (fr) 1994-02-25
ITTO930624A0 (it) 1993-08-19
GB9315363D0 (en) 1993-09-08
JPH06254546A (ja) 1994-09-13
DE4327981C2 (de) 1996-06-20

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse

Effective date: 20090430