ES2082506T3 - Procedimiento de tratamiento de aguas residuales. - Google Patents

Procedimiento de tratamiento de aguas residuales.

Info

Publication number
ES2082506T3
ES2082506T3 ES92920583T ES92920583T ES2082506T3 ES 2082506 T3 ES2082506 T3 ES 2082506T3 ES 92920583 T ES92920583 T ES 92920583T ES 92920583 T ES92920583 T ES 92920583T ES 2082506 T3 ES2082506 T3 ES 2082506T3
Authority
ES
Spain
Prior art keywords
wastewater treatment
tank
treatment procedure
efluent
turbulences
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
ES92920583T
Other languages
English (en)
Spanish (es)
Inventor
D Thomas Murphy
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of ES2082506T3 publication Critical patent/ES2082506T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D17/00Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02Separation of non-miscible liquids
    • B01D17/0208Separation of non-miscible liquids by sedimentation
    • B01D17/0214Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D17/00Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02Separation of non-miscible liquids
    • B01D17/0208Separation of non-miscible liquids by sedimentation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2405Feed mechanisms for settling tanks
    • B01D21/2416Liquid distributors with a plurality of feed points
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2444Discharge mechanisms for the classified liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30Control equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30Control equipment
    • B01D21/34Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
    • 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
    • C02F3/006Regulation methods for biological treatment
    • 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
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1242Small compact installations for use in homes, apartment blocks, hotels or the like
    • 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
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1263Sequencing batch reactors [SBR]
    • 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
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/301Aerobic and anaerobic treatment in the same reactor
    • 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
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/42Liquid level
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/44Time
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Activated Sludge Processes (AREA)
  • Physical Water Treatments (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Electric Motors In General (AREA)
ES92920583T 1991-09-03 1992-09-03 Procedimiento de tratamiento de aguas residuales. Expired - Lifetime ES2082506T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/753,860 US5186821A (en) 1991-09-03 1991-09-03 Wastewater treatment process with cooperating velocity equalization, aeration and decanting means
CA 2095731 CA2095731C (en) 1991-09-03 1992-09-03 Wastewater treatment process

Publications (1)

Publication Number Publication Date
ES2082506T3 true ES2082506T3 (es) 1996-03-16

Family

ID=25676156

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92920583T Expired - Lifetime ES2082506T3 (es) 1991-09-03 1992-09-03 Procedimiento de tratamiento de aguas residuales.

Country Status (15)

Country Link
US (1) US5186821A (show.php)
EP (1) EP0575567B1 (show.php)
AT (1) ATE130526T1 (show.php)
AU (1) AU673656B2 (show.php)
CA (1) CA2095731C (show.php)
DE (1) DE69206261T2 (show.php)
DK (1) DK0575567T3 (show.php)
ES (1) ES2082506T3 (show.php)
FI (1) FI933177A0 (show.php)
GR (1) GR3019039T3 (show.php)
HU (1) HU214473B (show.php)
MW (1) MW13093A1 (show.php)
NO (1) NO931999D0 (show.php)
RU (1) RU2097102C1 (show.php)
WO (1) WO1993004759A1 (show.php)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207896A (en) * 1990-02-09 1993-05-04 Norwalk Wastewater Equipment Company Wastewater treatment mechanism
USD347257S (en) 1991-06-20 1994-05-24 Mcgrew Jr Henry E Septic tank for holding sewerage
US5384049A (en) * 1991-09-03 1995-01-24 Murphy; D. Thomas Wastewater treatment process
US5234580A (en) * 1991-09-03 1993-08-10 Murphy D Thomas Decanting apparatus with float supported submerged pump
US5759415A (en) * 1991-10-02 1998-06-02 Vortechnics, Inc. Method and apparatus for separating floating and non-floating particulate from rainwater drainage
US5316671A (en) * 1993-01-21 1994-05-31 Murphy D Thomas Submersible aeration train and aeration apparatus for biological purification of sewage
US5374353A (en) * 1993-01-21 1994-12-20 Murphy; D. Thomas Aeration train and aeration apparatus for biological purification of wastewater
US5421995A (en) * 1993-07-01 1995-06-06 Jmo Holding, Inc. Sludge blanket level detector suspended from floating decanter
WO1995019938A1 (en) * 1994-01-24 1995-07-27 Murphy Thomas D Wastewater treatment process
AUPM435594A0 (en) * 1994-03-11 1994-03-31 Crc For Waste Management And Pollution Control Limited Method of operating sequencing batch reactors
US5468375A (en) * 1994-05-09 1995-11-21 Nova Power Systems, Ltd. Wastewater pretreatment tank assembly
SE504228C2 (sv) * 1995-04-24 1996-12-09 Team Aqua Laeckeby Ab Dekanteringsanordning
US6638424B2 (en) 2000-01-19 2003-10-28 Jensen Enterprises Stormwater treatment apparatus
JP4804599B2 (ja) * 1996-12-20 2011-11-02 シーメンス・ウォーター・テクノロジーズ・コーポレイション 洗浄方法
ATE209164T1 (de) * 1997-02-28 2001-12-15 Rudolf Kahr Modulare kläranlage und verfahren zu ihrem betrieb
US6047724A (en) * 1998-02-11 2000-04-11 Nurse, Jr.; Harry L. Risers for a waste water treatment facility
US6012020A (en) * 1998-05-21 2000-01-04 Gardell; Steven E Apparatus and method for monitoring the condition of septic tanks
ES2328755T3 (es) * 1998-07-24 2009-11-17 Paques Bio Systems B.V. Proceso para el tratamiento de agua resigual conteniendo amonio.
US6303026B1 (en) 1998-09-28 2001-10-16 Glen D. Lindbo Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion
US6110383A (en) * 1999-01-28 2000-08-29 Coombs Industrial Services, Inc. Oil/water separator
DE19907980C2 (de) * 1999-02-25 2002-09-05 Markus Baumann Integrierte Vorrichtung zum Behandeln von Abwasser in Kleinkläranlagen, insbesondere Einbecken-Kläranlagen
US6315131B1 (en) 1999-03-22 2001-11-13 Universal Separators, Inc. Multi-directional flow gravity Separator
US6261452B1 (en) 1999-12-23 2001-07-17 American Manufacturing Company, Inc. Laminar flow collar for use in a wastewater management system
US7638065B2 (en) * 2000-01-19 2009-12-29 Jensen Precast Stormwater treatment apparatus and method
US6350374B1 (en) 2000-01-19 2002-02-26 Jensen Enterprises, Inc. Stormwater treatment apparatus
FR2808455B1 (fr) * 2000-05-03 2003-02-14 Schlumberger Services Petrol Installation et procede pour la separation d'effluents multiphasiques
US6409914B1 (en) 2000-08-22 2002-06-25 Crystal River Industries, Inc. Waste treatment unit
USD445477S1 (en) 2000-11-14 2001-07-24 John Everett Pomier Waste water treatment tank
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR692401A0 (en) * 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
US7247238B2 (en) * 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
US7544302B2 (en) * 2004-11-08 2009-06-09 Darin Merle Harding Method and apparatus for removing cuttings from drilling fluids
US7160474B2 (en) * 2004-11-08 2007-01-09 Darin Merle Harding Method and apparatus for removing cuttings from drilling fluids
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
ATE542593T1 (de) * 2002-10-10 2012-02-15 Siemens Industry Inc Membranfilter und rückspülverfahren dafür
CN103285737B (zh) 2003-08-29 2016-01-13 伊沃夸水处理技术有限责任公司 反洗
AU2004289373B2 (en) 2003-11-14 2010-07-29 Evoqua Water Technologies Llc Improved module cleaning method
US8758621B2 (en) 2004-03-26 2014-06-24 Evoqua Water Technologies Llc Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
US7243802B2 (en) * 2004-05-13 2007-07-17 Enviro Enterprises, Inc. Inlet structure for clarifiers
AU2005282211B2 (en) * 2004-09-07 2011-04-21 Evoqua Water Technologies Llc Reduction of backwash liquid waste
NZ553742A (en) 2004-09-14 2010-09-30 Siemens Water Tech Corp Methods and apparatus for removing solids from a membrane module
CN100548452C (zh) 2004-09-15 2009-10-14 西门子水技术公司 一种薄膜过滤系统以及控制薄膜过滤系统中积垢的方法
NZ555987A (en) 2004-12-24 2009-08-28 Siemens Water Tech Corp Simple gas scouring method and apparatus
JP4763718B2 (ja) 2004-12-24 2011-08-31 シーメンス・ウォーター・テクノロジーズ・コーポレーション 膜濾過システムの洗浄
DE102005007408A1 (de) 2005-02-18 2006-08-24 Holm, Niels Christian, Dr. Verfahren zur Verbesserung der Denitrifikation und Bio-P-Elimination beim SBR-Verfahren
CA2605757A1 (en) 2005-04-29 2006-11-09 Siemens Water Technologies Corp. Chemical clean for membrane filter
MY146286A (en) 2005-08-22 2012-07-31 Siemens Industry Inc An assembly for water filtration using a tube manifold to minimise backwash
US20070138090A1 (en) * 2005-10-05 2007-06-21 Jordan Edward J Method and apparatus for treating wastewater
WO2007054912A1 (en) * 2005-11-10 2007-05-18 Paterson & Cooke Consulting Engineers (Proprietary) Limited A de-watering apparatus
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US7674372B2 (en) * 2007-01-26 2010-03-09 Graves Jan D Wastewater flow equalization system and method
WO2008123972A1 (en) 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
EP2152390B1 (en) 2007-05-29 2012-05-23 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US7972505B2 (en) * 2008-07-22 2011-07-05 Trans Terra Corporation Primary equalization settling tank
JP2013500144A (ja) 2008-07-24 2013-01-07 シーメンス インダストリー インコーポレイテッド 濾過システムにおける濾過膜モジュールアレイに対して構造的支持を施すための方法および濾過システム
NZ591259A (en) 2008-08-20 2013-02-22 Siemens Industry Inc A hollow membrane filter backwash system using gas pressurised at at least two pressures feed from the down stream side to push water through the filter to clean it
WO2010142673A1 (en) 2009-06-11 2010-12-16 Siemens Water Technologies Corp. Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
AU2011245709B2 (en) 2010-04-30 2015-06-11 Evoqua Water Technologies Llc Fluid flow distribution device
WO2012040412A1 (en) 2010-09-24 2012-03-29 Siemens Industry, Inc. Fluid control manifold for membrane filtration system
US20140360933A1 (en) * 2011-09-16 2014-12-11 Babak Rezania Methods and apparatus for nitrogen removal from wastewater
CA2850309C (en) 2011-09-30 2020-01-07 Evoqua Water Technologies Llc Improved manifold arrangement
EP3473320A1 (en) 2011-09-30 2019-04-24 Evoqua Water Technologies LLC Isolation valve
KR102108593B1 (ko) 2012-06-28 2020-05-29 에보쿠아 워터 테크놀로지스 엘엘씨 포팅 방법
AU2013324056B2 (en) 2012-09-26 2017-11-16 Evoqua Water Technologies Llc Membrane securement device
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
AU2013323934A1 (en) 2012-09-27 2015-02-26 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
CN104003571B (zh) * 2013-02-27 2016-04-06 宁波市恒洁水务发展有限公司 生物脱氮系统的工艺
RU2553875C2 (ru) * 2013-08-16 2015-06-20 Сергей Васильевич Лузан Устройство для насыщения воды кислородом
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system
US10415228B2 (en) 2016-09-22 2019-09-17 Flow Control LLC Shower drain box
US12172108B2 (en) 2018-08-16 2024-12-24 Emd Millipore Corporation Closed bioprocessing device
CN112221214A (zh) * 2020-10-12 2021-01-15 湖南创大玉兔化工有限公司 澄清钛液与沉淀泥浆自动分层吸送装置
RU209814U1 (ru) * 2021-10-04 2022-03-23 Роман Николаевич Михайлов Установка биологической очистки стоков

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2140059A (en) * 1936-05-12 1938-12-13 Simonsen Arntz Decanting mechanism
US3907672A (en) * 1972-04-21 1975-09-23 George A Milne Aerobic sewage digestion system
US3834536A (en) * 1973-10-10 1974-09-10 Northern Purification Services Aerobic wastewater treatment apparatus
US4278541A (en) * 1978-03-14 1981-07-14 Amstar Corporation Separator employing an annular vertical feedwell with associated concentric annular baffle plate and method of using same to separate solids from liquids
US4230578A (en) * 1979-04-09 1980-10-28 Jet, Inc. Sewage effluent volume control and alarm arrangement for pressurized sewage disposal system
US4695376A (en) * 1986-10-20 1987-09-22 Aqua-Aerobic Systems, Inc. Floating decanter
US5104528A (en) * 1990-09-24 1992-04-14 Christie Stanley E Floating decanter

Also Published As

Publication number Publication date
US5186821A (en) 1993-02-16
AU2652792A (en) 1993-04-05
GR3019039T3 (en) 1996-05-31
EP0575567B1 (en) 1995-11-22
EP0575567A1 (en) 1993-12-29
AU673656B2 (en) 1996-11-21
DK0575567T3 (da) 1996-04-09
CA2095731A1 (en) 1994-03-04
HU214473B (hu) 1998-03-30
FI933177A7 (fi) 1993-07-12
CA2095731C (en) 1998-12-08
FI933177A0 (fi) 1993-07-12
DE69206261D1 (de) 1996-01-04
HUT68998A (en) 1995-08-28
RU2097102C1 (ru) 1997-11-27
DE69206261T2 (de) 1996-07-04
NO931999D0 (no) 1993-06-02
MW13093A1 (en) 1994-10-12
HU9301908D0 (en) 1993-11-29
EP0575567A4 (show.php) 1994-01-19
ATE130526T1 (de) 1995-12-15
WO1993004759A1 (en) 1993-03-18

Similar Documents

Publication Publication Date Title
ES2082506T3 (es) Procedimiento de tratamiento de aguas residuales.
EP0263185A4 (en) SANITARY DEVICE.
SE8702478D0 (sv) Bioreactor
ES2191846T3 (es) Arnes o correaje de asiento ajustable en altura.
ATE19231T1 (de) Vorrichtung zur reinigung von fluida mittels u.v.-strahlen.
BR9610425A (pt) Estrutura de diversão interativa.
ES2058923T3 (es) Sistema para terapia neurologica.
ES2085846T1 (es) Decantador longitudinal de separacion de flujo.
DE59600087D1 (de) Dünnschichtbehandlungsapparat
DE68917424D1 (de) Vorrichtung zur Verhinderung von Wasserstagnierung in Versorgungsanlagen von zahnärztlichen Geräten.
ITVI20030002U1 (it) Impianto per il trattamento dell'acqua
CO4940405A1 (es) Formas de dosificacion de solucion encapsulada de sertralina
BR9815287A (pt) Dispositivo de tratamento de água, instalação de tratamento de água, e, cartucho de tratamento de água para uso em dispositivo de tratamento de água.
CN114195221A (zh) 一种外置过流式紫外杀菌净水管路装置
ES2050631B1 (es) "procedimiento y dispositivo de depuracion biologica de los efluentes de las bodegas vinicolas"
ES8204605A1 (es) Un dispositivo de juguete logico espacial o rompecabezas
ES2085212B1 (es) Aparato para tratar residuos liquidos hospitalarios.
RU93052349A (ru) Аппарат для очистки сточных вод
ATE232745T1 (de) Uv-desinfektionseinrichtung
AT280909B (de) Vorrichtung zur hydromechanischen zerstoerung von schwimmdecken in abwasser- und schlammbehandlungsanlagen sowie zur umwaelzung von fluessigkeiten und schlaemmen
SU791637A1 (ru) Устройство дл автоматического регулировани концентрации активного ила в сточных водах
ES2129017T3 (es) Instalacion para el tratamiento de las aguas y bateria de equipos modulares obtenida por la puesta en paralelo de tales instalaciones.
Waldek Town development and water supply in Upper Austria
Muskat Aerated sewage lagoons based on a new technique
ES2033956T3 (es) Dispositivo para el tratamiento del cabello con un liquido mediante un sistema de circulacion.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 575567

Country of ref document: ES