DE60123244D1 - Verfahren mit einem orientierten aufbau zur behandlung von abwasser - Google Patents

Verfahren mit einem orientierten aufbau zur behandlung von abwasser

Info

Publication number
DE60123244D1
DE60123244D1 DE60123244T DE60123244T DE60123244D1 DE 60123244 D1 DE60123244 D1 DE 60123244D1 DE 60123244 T DE60123244 T DE 60123244T DE 60123244 T DE60123244 T DE 60123244T DE 60123244 D1 DE60123244 D1 DE 60123244D1
Authority
DE
Germany
Prior art keywords
fluid
inlet end
oriented
outlet end
layers
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 - Lifetime
Application number
DE60123244T
Other languages
English (en)
Inventor
Pierre Talbot
Roger Lacasse
Yves Arcand
Olivier Vermeersch
Jacek Mlynarek
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.)
Premier Tech Technologies Ltd
Original Assignee
Premier Tech Technologies Ltd
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 Premier Tech Technologies Ltd filed Critical Premier Tech Technologies Ltd
Application granted granted Critical
Publication of DE60123244D1 publication Critical patent/DE60123244D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/10Packings; Fillings; Grids
    • C02F3/101Arranged-type packing, e.g. stacks, arrays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/002Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/002Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • B01D24/004Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/007Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/007Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
    • B01D24/008Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/04Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being clamped between pervious fixed walls
    • B01D24/08Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being clamped between pervious fixed walls the filtering material being supported by at least two pervious coaxial walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/22Cell-type filters
    • B01D25/24Cell-type roll filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/22Cell-type filters
    • B01D25/26Cell-type stack filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24Stationary reactors without moving elements inside
    • B01J19/248Reactors comprising multiple separated flow channels
    • B01J19/2495Net-type reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/32Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/18Filters characterised by the openings or pores
    • B01D2201/188Multiple filtering elements having filtering areas of different size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002Chemical plants
    • B01J2219/00018Construction aspects
    • B01J2219/0002Plants assembled from modules joined together
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322Basic shape of the elements
    • B01J2219/32203Sheets
    • B01J2219/32224Sheets characterised by the orientation of the sheet
    • B01J2219/32231Horizontal orientation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322Basic shape of the elements
    • B01J2219/32279Tubes or cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324Composition or microstructure of the elements
    • B01J2219/32425Ceramic
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Filtering Materials (AREA)
  • External Artificial Organs (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE60123244T 2000-07-13 2001-07-12 Verfahren mit einem orientierten aufbau zur behandlung von abwasser Expired - Lifetime DE60123244D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA 2314545 CA2314545A1 (fr) 2000-07-13 2000-07-13 Massif oriente de filtration et de biofiltration
PCT/CA2001/001022 WO2002006166A1 (en) 2000-07-13 2001-07-12 An oriented structure for treating a fluid

Publications (1)

Publication Number Publication Date
DE60123244D1 true DE60123244D1 (de) 2006-11-02

Family

ID=4166779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60123244T Expired - Lifetime DE60123244D1 (de) 2000-07-13 2001-07-12 Verfahren mit einem orientierten aufbau zur behandlung von abwasser

Country Status (8)

Country Link
US (1) US6602407B2 (de)
EP (1) EP1301441B1 (de)
AT (1) ATE340149T1 (de)
AU (1) AU2001275614A1 (de)
CA (1) CA2314545A1 (de)
DE (1) DE60123244D1 (de)
ES (1) ES2273867T3 (de)
WO (1) WO2002006166A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10138970A1 (de) * 2001-08-08 2003-02-20 Bayer Ag Rohrreaktor auf Basis eines Schichtstoffes
US20050178719A1 (en) * 2004-02-12 2005-08-18 Pank Thomas E. Filter in the form of a roll and the method of making the same
US20070131613A1 (en) * 2004-03-30 2007-06-14 New Water Pty Ltd. Water treatment
WO2006023555A2 (en) * 2004-08-19 2006-03-02 Winnco, Llc Trickling filter wastewater treatment device
WO2007044416A2 (en) * 2005-10-04 2007-04-19 Bluegrass Environmental Septic Technology, Llc Wastewater filter system
US7374683B2 (en) * 2006-03-31 2008-05-20 Centre de Recherche industrielle du Quēbec Biofilter and method for filtering a waste liquid
US20080121577A1 (en) * 2006-11-29 2008-05-29 Union Cooper Co., Ltd. Filter for composite water treatment and sewage treatment
US20090035599A1 (en) * 2007-03-30 2009-02-05 Kim Yong K High efficiency bioconversion surface materials
IL184441A0 (en) * 2007-07-05 2007-10-31 Gavrieli Jonah Method and device for water treatment
US7833418B1 (en) * 2007-10-11 2010-11-16 Warren Rick C Mechanical/biological filter for a filtration system
US7790035B2 (en) * 2008-03-13 2010-09-07 Premier Tech Technologies Ltee Tertiary system and process for treating a liquid effluent from an onsite domestic secondary treatment unit
EP2100855A1 (de) 2008-03-14 2009-09-16 Premier Tech 2000 Ltee Tertiärsystem und Verfahren zur Bearbeitung einer flüssigen Effluenz aus einer sekundären Haushaltsbearbeitungseinheit vor Ort
WO2010045644A1 (en) 2008-10-17 2010-04-22 Bioair Solutions, Llc Filtration media for filtration/purification of a liquid or gas, related reactor modules, filtration devices and methods
KR100893548B1 (ko) 2008-12-10 2009-04-16 (주)한솔환경건설 생물막 여재를 이용한 폭기조를 구비한 고도 하수처리장치
WO2013063703A1 (en) * 2011-11-03 2013-05-10 Groupe Ctt Inc. Method of manufacturing weaved preform with oriented weft yarns
US9440413B2 (en) 2012-06-01 2016-09-13 University Of Massachusetts Panel for absorbing mechanical impact energy and method of manufacture
ES2525194B1 (es) * 2013-06-18 2015-11-04 Alfredo ZUFIAUR FERNÁNDEZ DE BETOÑO Relleno sintético filtro de red
US10820655B2 (en) 2013-12-03 2020-11-03 University Of Massachusetts Add-on impact energy absorbing pad structure for outside of military and sport helmets
EP3077198A4 (de) 2013-12-03 2017-08-16 University of Massachusetts Flexible energieverwaltende faserverbundplatten
US10494761B2 (en) 2016-07-12 2019-12-03 University Of Massachusetts Fiber surface finish enhanced flocked impact force absorbing structure and manufacturing
EP3802993B1 (de) * 2018-06-22 2023-11-08 Zodiac Pool Systems LLC Filter hauptsächlich zur verwendung in verbindung mit schwimmbädern und sprechern
CN111228866B (zh) * 2018-11-28 2021-10-22 北京奥博水处理有限责任公司 一种在线自清洗介质过滤装置
US10961139B1 (en) 2019-09-11 2021-03-30 Imam Abdulrahman Bin Faisal University Multi-layer geotextile-plastic particle water treatment
CN118561411A (zh) * 2024-08-01 2024-08-30 深圳市臻鼎环保科技有限公司 一种电化学硫自养污水处理反应器及其制备方法

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1872430A (en) * 1930-12-22 1932-08-16 Carter Carburetor Corp Oil filter
US3827562A (en) * 1972-03-03 1974-08-06 W Esmond Filtering device
US3899424A (en) * 1973-12-03 1975-08-12 Graff Jr John P Disposable aquarium filter
GB1543404A (en) 1975-04-04 1979-04-04 Millipore Corp Tubular filtration element and method of making it
DE3127265C2 (de) 1981-07-10 1985-07-18 Ewald Dörken GmbH & Co KG, 5804 Herdecke Bauelement mit Schutz-, Belüftungs-, Trenn-, Wärmedämm- und Drainagefunktion
DE3274002D1 (en) 1981-09-25 1986-12-04 Aarc Management Pty Ltd Drainage tube
JPS58137452A (ja) * 1982-02-08 1983-08-15 Nippon Soken Inc 静電濾過装置用濾過体
US4465594A (en) 1982-09-29 1984-08-14 Rein Laak Sewage system for the treatment of segregated domestic waste water
US4490072A (en) 1982-09-30 1984-12-25 Joseph Glasser Drainage device
US4708792A (en) * 1985-10-17 1987-11-24 Takara Kogyo Co., Ltd. Filter medium
US4745716A (en) 1986-08-15 1988-05-24 Kuypers Fred A Structural water control
DE3874363T2 (de) 1987-01-21 1993-02-11 Netlon Ltd Draenagematerial und draenagekern fuer draenagesystem.
US4877527A (en) * 1987-06-15 1989-10-31 Allied-Signal Inc. Liquid filter of spiral wound construction with alternate layers of a surface area media and a depth media
US4908128A (en) * 1987-09-15 1990-03-13 Envirocycle Pty. Ltd. Composite bacteria support medium
US4880333A (en) 1988-07-22 1989-11-14 Joseph Glasser Subterranean fluid filtering and drainage system
US5273818A (en) 1989-01-19 1993-12-28 General Electric Company Expanded fiber composite structure having a cylindrical shape and useful as a filter
US4917536A (en) 1989-01-31 1990-04-17 Eljen Corporation Fluid storage system
IE892435L (en) 1989-02-10 1990-01-29 Zymogenetics Inc Translation of polycistronic messages in eucaryotic cells
US4925342A (en) 1989-04-10 1990-05-15 Site Masters, Inc. Water management system
US4983068A (en) 1989-04-14 1991-01-08 Kozak William G Construction material
US5096591A (en) 1990-05-04 1992-03-17 Benn James A Spirally, wound filter cartridge, apparatus system and method of manufacture and use
US5084164A (en) * 1990-05-31 1992-01-28 Luis Del Rosario Filter assembly for an aquarium
US5232429A (en) 1991-02-07 1993-08-03 Csir Method and apparatus for making a continuous tube of flexible sheet material
US5114582A (en) 1991-04-12 1992-05-19 W. R. Grace & Co.-Conn. Filter element and spiral-wound membrane cartridge containing same
US5160039A (en) * 1991-10-04 1992-11-03 Perry Colburn Bio-tube aquatic filter
FR2682410B1 (fr) 1991-10-11 1994-07-22 Hamon Ind Thermique Structure de reservoir de retenue d'eau.
US5348654A (en) * 1993-08-26 1994-09-20 Fischer Harry C Co-current packed tower bio-reactor
US5776567A (en) 1993-10-28 1998-07-07 Pactec, Inc. Multi-layer filter for separating solid and liquid waste
CA2139554C (en) 1994-01-06 2008-09-09 E. Craig Jowett Waste water treatment method and apparatus
US5492635A (en) 1994-12-09 1996-02-20 Orenco Systems, Inc. Septic tank effluent filtering method
US5609947A (en) 1995-09-27 1997-03-11 Tonen Chemical Corporation Laminated non-woven fabric filtering medium and method for producing same
US5827430A (en) 1995-10-24 1998-10-27 Perry Equipment Corporation Coreless and spirally wound non-woven filter element
FR2745195B1 (fr) 1996-02-23 1998-04-17 Eparco Sa Filtre de retention, installation et procede de traitement d'effluents
CA2171279C (fr) 1996-03-07 2007-09-18 Richard Auger Reacteur pour le traitement d'un liquide
IL119490A (en) 1996-10-25 2000-06-01 Weizmann Kiryat Membrane Prod Process for producing a tubular membrane assembly
US5980740A (en) * 1998-01-06 1999-11-09 Civitas Erosion Services, Inc. Storm drain collection box filtration system
US6048131A (en) 1998-05-15 2000-04-11 Laak; Rein Subterranean fluid filtering and drainage system
DK1091797T3 (da) * 1998-06-30 2002-09-09 Quebec Centre Rech Ind Fremgangsmåde til biologisk rensning af spildevand og forbrændingsgasser og biologisk filter dertil
NL1010610C1 (nl) * 1998-11-20 2000-05-23 Bonno Koers Inrichting voor het reinigen van gassen, zoals in het bijzonder lucht, dan wel vloeistoffen zoals in het bijzonder water.

Also Published As

Publication number Publication date
EP1301441B1 (de) 2006-09-20
US20020023871A1 (en) 2002-02-28
AU2001275614A1 (en) 2002-01-30
WO2002006166A1 (en) 2002-01-24
US6602407B2 (en) 2003-08-05
CA2314545A1 (fr) 2002-01-13
ATE340149T1 (de) 2006-10-15
ES2273867T3 (es) 2007-05-16
EP1301441A1 (de) 2003-04-16

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