NL7311867A - Werkwijze en inrichting voor het behandelen van rioolinhoud. - Google Patents
Werkwijze en inrichting voor het behandelen van rioolinhoud.Info
- Publication number
- NL7311867A NL7311867A NL7311867A NL7311867A NL7311867A NL 7311867 A NL7311867 A NL 7311867A NL 7311867 A NL7311867 A NL 7311867A NL 7311867 A NL7311867 A NL 7311867A NL 7311867 A NL7311867 A NL 7311867A
- Authority
- NL
- Netherlands
- Prior art keywords
- contents
- treating
- treating sewer
- sewer contents
- sewer
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
- B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L11/00—Methods specially adapted for refuse
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/234—Surface aerating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- 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
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/08—Treatment of wastewater in the sewer, e.g. to reduce grease, odour
-
- 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
-
- 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
- C02F3/1205—Particular type of activated sludge processes
- C02F3/121—Multistep treatment
-
- 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
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- C02F3/1252—Cylindrical tanks with horizontal axis
-
- 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
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1284—Mixing devices
-
- 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
- C02F3/24—Activated sludge processes using free-fall aeration or spraying
-
- 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
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
-
- 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)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22974572A | 1972-02-28 | 1972-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7311867A true NL7311867A (nl) | 1975-03-04 |
Family
ID=22862523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7311867A NL7311867A (nl) | 1972-02-28 | 1973-08-29 | Werkwijze en inrichting voor het behandelen van rioolinhoud. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3772188A (nl) |
DE (1) | DE2343849A1 (nl) |
FR (1) | FR2242337B1 (nl) |
GB (1) | GB1423210A (nl) |
NL (1) | NL7311867A (nl) |
Families Citing this family (82)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904521A (en) * | 1971-04-27 | 1975-09-09 | Karel Stopka | Method and apparatus for purification |
US4013552A (en) * | 1972-08-18 | 1977-03-22 | Ecquacon Corporation | Sewage treatment process |
US3847803A (en) * | 1973-03-22 | 1974-11-12 | P Fisk | Process for separating and converting waste into useable products |
US4003832A (en) * | 1974-01-07 | 1977-01-18 | Tii Corporation | Method of applying ozone and sonic energy to sterilize and oxidize waste water |
US3945918A (en) * | 1974-01-10 | 1976-03-23 | Airco, Inc. | Methods and apparatus for treating a liquid with a gas |
US4045336A (en) * | 1974-08-23 | 1977-08-30 | Pauli Henrik Isteri | Method and device for oxygenating water with vibrations and under pressure strokes |
US4093516A (en) * | 1974-09-27 | 1978-06-06 | Lang John L | Preparation of liquid fuel and nutrients from municipal waste water |
CH610870A5 (nl) * | 1975-11-11 | 1979-05-15 | Gianmaria Righetti | |
US4028246A (en) * | 1975-11-20 | 1977-06-07 | Lund Norman S | Liquid purification system |
US4086057A (en) * | 1976-07-28 | 1978-04-25 | William Clinton Everett | Ultrasonic disinfection system |
US4132637A (en) * | 1976-09-02 | 1979-01-02 | Fmc Corporation | Ozone disinfection in waste water treatment with recycling of ozonation off gas |
US4144167A (en) * | 1977-04-14 | 1979-03-13 | Burkett Albert L | Sewage treatment system |
FR2409965A1 (fr) * | 1977-11-24 | 1979-06-22 | Soaf | Installation pour l'epuration d'eaux usees |
CH649071A5 (it) * | 1978-11-13 | 1985-04-30 | Giuseppe Galassi | Ossidazione ad umido di inquinanti mediante ossigeno liquido. |
FR2490208A1 (fr) * | 1980-09-15 | 1982-03-19 | Trailigaz | Procede de traitement d'eaux usees a l'aide de boues activees |
US4350587A (en) * | 1980-12-05 | 1982-09-21 | Donald Jarrell | Sewage treatment system |
US4439317A (en) * | 1980-12-05 | 1984-03-27 | Donald Jarrell | Sewage treatment system |
US4377486A (en) * | 1980-12-24 | 1983-03-22 | Wrc Processing Company | Organic sludge dewatering process |
US4447330A (en) * | 1981-06-30 | 1984-05-08 | Babineaux Iii David | Method of treating waste water |
US4536293A (en) * | 1981-06-30 | 1985-08-20 | Babineaux Iii David | Method of treating waste water |
US4464257A (en) * | 1982-09-30 | 1984-08-07 | Process Research Development & Management, Inc. | Apparatus for the treatment of wastewater sludge |
US4487699A (en) * | 1983-12-09 | 1984-12-11 | Long Jr Charles A | Sewage sludge treatment apparatus and process |
US4582612A (en) * | 1983-12-09 | 1986-04-15 | Long Enterprises, Inc. | Sewage sludge treatment apparatus |
US4659464A (en) * | 1984-09-14 | 1987-04-21 | Long Enterprises, Inc. | Apparatus for dispersing sludge with gas impingement |
US4652382A (en) * | 1984-10-19 | 1987-03-24 | International Waste Water Reclamation Technologies, Inc. | Process and apparatus for continuously treating sewage wastewater by chemical oxidation |
US4581137A (en) * | 1984-10-19 | 1986-04-08 | Ozonics Corporation | Gas diffuser tube assembly |
GB8601435D0 (en) * | 1986-01-21 | 1986-02-26 | Olley R | Effluent treatment |
ZA876787B (en) * | 1986-09-18 | 1988-03-16 | African Oxygen Limited | Treatment of aqueous waste material |
DE3703824A1 (de) * | 1987-02-07 | 1988-08-18 | Thomae Gmbh Dr K | Verfahren zur simultanen chemischen und biologischen beseitigung fester und fluessiger organischer abfaelle und vorrichtungen zur durchfuehrung dieses verfahrens |
DK71987D0 (da) * | 1987-02-13 | 1987-02-13 | Nordiske Kabel Traad | Fremgangsmaade til rensning af olie- og kemikalieforurenet jord |
DE3827578A1 (de) * | 1988-08-13 | 1990-02-15 | Siepmann Friedrich W | Verfahren und vorrichtung zur bestimmung oxidierbarer wasserinhaltsstoffe einer waessrigen probenfluessigkeit |
US5147563A (en) * | 1989-09-01 | 1992-09-15 | Long Enterprises, Inc. | Sewage sludge treatment with gas injection |
US4936983A (en) * | 1989-09-01 | 1990-06-26 | Long Enterprises, Inc. | Sewage sludge treatment with gas injection |
US5248419A (en) * | 1989-09-01 | 1993-09-28 | Long Enterprises | Sewage sludge treatment with gas injection |
US5130032A (en) * | 1989-10-10 | 1992-07-14 | Sartori Helfred E | Method for treating a liquid medium |
US5078965A (en) * | 1990-03-02 | 1992-01-07 | Pearson Erich H | Batch treatment process and apparatus for the disinfection of infectious waste |
US5077007A (en) * | 1990-03-02 | 1991-12-31 | Pearson Erich H | Batch treatment process and apparatus for the disinfection of infectious waste |
US5180499A (en) * | 1990-10-17 | 1993-01-19 | Envirozone Technologies, Inc. | Process for removal of solid, chemical and bacterial waste from water |
US5116574A (en) * | 1991-04-03 | 1992-05-26 | Pearson Erich H | Continuous treatment process and apparatus for the disinfection of infectious waste |
US5173257A (en) * | 1991-04-03 | 1992-12-22 | Pearson Erich H | Continuous process and apparatus for the separation of recyclable material from and the disinfection of infectious medical waste |
US5230810A (en) * | 1991-09-25 | 1993-07-27 | Zimpro Passavant Environmental Systems, Inc. | Corrosion control for wet oxidation systems |
US5234606A (en) * | 1991-10-09 | 1993-08-10 | Nec Environment Engineering Ltd. | Method and system for recovering wastewater |
WO1993024413A1 (en) * | 1992-06-04 | 1993-12-09 | Envirozone Technologies, Inc. | Apparatus for removal of solid, chemical and bacterial waste from water |
US5458789A (en) * | 1993-03-23 | 1995-10-17 | Dickerson; J. Rodney | Removal of organics from aqueous waste streams |
US7384555B1 (en) | 1993-09-22 | 2008-06-10 | Kurita Water Industries Ltd. | Process for biological treatment of aqueous organic wastes |
JP3351047B2 (ja) * | 1993-09-27 | 2002-11-25 | 栗田工業株式会社 | 生物汚泥の処理方法 |
US5433854A (en) * | 1994-03-16 | 1995-07-18 | Dickerson; J. Rodney | Method for preventing erosion in waste water lift stations and treatment facilities |
US5527465A (en) * | 1994-03-16 | 1996-06-18 | Dickerson; J. Rodney | Method for preventing erosion in headworks of waste water treatment facilities |
US5540836A (en) * | 1994-06-16 | 1996-07-30 | Coyne; Thomas J. | Wastewater treatment system and method |
US5637231A (en) * | 1995-06-07 | 1997-06-10 | Huron Valley Technology, Inc. | Method and apparatus for using ozone in a pressure vessel to treat stream of pollutants |
US5876663A (en) * | 1995-11-14 | 1999-03-02 | The University Of Tennessee Research Corporation | Sterilization of liquids using plasma glow discharge |
US6068778A (en) * | 1997-07-18 | 2000-05-30 | Tm Industrial Supply, Inc. | Water purification system |
FR2766813B1 (fr) * | 1997-08-01 | 1999-10-01 | Degremont | Procede et dispositif d'epuration d'eaux usees comprenant un traitement additionnel des boues par ozonation |
US6277291B1 (en) * | 1998-01-09 | 2001-08-21 | William Alan Burris | Flowthrough batch liquid purifier |
EP0933336A1 (en) * | 1998-02-02 | 1999-08-04 | Horeak AG | Waste pre-treatment and modular process comprising said pre-treatment |
AU1175899A (en) * | 1998-11-20 | 2000-06-13 | Proudo Co., Ltd. | Method of treating liquid, liquid treatment apparatus, and liquid treatment system |
US6568900B2 (en) | 1999-02-01 | 2003-05-27 | Fantom Technologies Inc. | Pressure swing contactor for the treatment of a liquid with a gas |
GB2354515A (en) * | 1999-09-25 | 2001-03-28 | Leu Sheng I | Water treating apparatus |
FR2804105B1 (fr) * | 2000-01-25 | 2002-04-05 | Lothaire Le | Procedes de traitements des effluents pour les rendre conformes aux normes europeennes et dispositifs de mise en oeuvre de ces procedes permettant un recyclage complet des petits effluents |
AU2001239044A1 (en) * | 2000-03-03 | 2001-09-12 | Jerzy Stefan Janiak | Method and unit for achieving highly effective oxidation treatments |
GB0205509D0 (en) * | 2002-03-08 | 2002-04-24 | Univ Cambridge Tech | Method |
AU2003302602A1 (en) * | 2002-11-25 | 2004-06-23 | Sr. Richard G. Sheets | Animal waste effluent treatment |
AU2003900241A0 (en) * | 2003-01-21 | 2003-02-06 | Australian Organic Resources Pty Ltd | The extraction and treatment of heavy metals in sewage sludge |
FR2854087A1 (fr) * | 2003-04-23 | 2004-10-29 | Bernard Paringaux | Procede economique et dispositif pour l'epuration des elements indesirables du petrole brut ou de ses depots de toutes consistances excluant tout rejet nocif terrestre, maritime ou atmospherique |
US8471171B2 (en) * | 2004-05-28 | 2013-06-25 | Robert O. Price | Cold air atmospheric pressure micro plasma jet application method and device |
US8502108B2 (en) * | 2004-05-28 | 2013-08-06 | Old Dominion University Research Foundation | Method and device for creating a micro plasma jet |
US7572998B2 (en) * | 2004-05-28 | 2009-08-11 | Mohamed Abdel-Aleam H | Method and device for creating a micro plasma jet |
SG120172A1 (en) * | 2004-08-10 | 2006-03-28 | Beng Lai Koh | Mixing apparatus |
US7604783B2 (en) | 2004-12-22 | 2009-10-20 | Placer Dome Technical Services Limited | Reduction of lime consumption when treating refractor gold ores or concentrates |
HUE027728T2 (en) * | 2005-02-22 | 2016-11-28 | Jeremy Weissman | Supply and equipment for aeration of a liquid that is particularly useful for treating waste water for recycling |
US8277740B2 (en) * | 2005-05-20 | 2012-10-02 | Housh Koshbin | Ozone generator |
US10005061B2 (en) | 2005-05-20 | 2018-06-26 | Housh Khoshbin | Ozone-based contaminant eradication system and method |
US7425271B1 (en) | 2005-11-03 | 2008-09-16 | Robert Longo | Method for treating sludge |
US8061888B2 (en) * | 2006-03-17 | 2011-11-22 | Barrick Gold Corporation | Autoclave with underflow dividers |
US8252254B2 (en) | 2006-06-15 | 2012-08-28 | Barrick Gold Corporation | Process for reduced alkali consumption in the recovery of silver |
US8404121B2 (en) * | 2009-08-11 | 2013-03-26 | Anaergia Inc. | Method for separating suspended solids from a waste fluid |
US8734646B1 (en) * | 2013-07-11 | 2014-05-27 | Allen John Schuh | Bioremediation treatment for human sanitary waste |
ITUA20162129A1 (it) * | 2016-03-11 | 2017-09-11 | Giovanni Laudicina | Apparato per la disinfezione e potabilizzazione di acque denominato sinteticamente "astorm". |
AU2017234255A1 (en) * | 2016-03-14 | 2018-09-27 | Championx Usa Inc. | Progressive tank system and method for using the same |
US11084003B2 (en) * | 2016-06-15 | 2021-08-10 | Satoshi ANZAI | Ultrafine bubble generation device for aquaculture or wastewater treatment |
CN108892267A (zh) * | 2018-07-02 | 2018-11-27 | 郭庆平 | 一种环保的污水处理装置 |
US11866357B1 (en) * | 2020-09-11 | 2024-01-09 | Paul Charles Wegner | Corrosion and bacteria control method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2054395A (en) * | 1935-03-08 | 1936-09-15 | Underpinning & Foundation Comp | Apparatus for aerating sewage and the like |
NL256235A (nl) * | 1959-09-24 | 1900-01-01 | ||
US3271304A (en) * | 1964-06-26 | 1966-09-06 | Pacific Flush Tank Co | Venturi aerator and aerating process for waste treatment |
US3335082A (en) * | 1966-03-14 | 1967-08-08 | Austin Concrete Works Inc | Method and system for handling and treating sewage |
US3459303A (en) * | 1967-05-09 | 1969-08-05 | Yeomans Brothers Co | Waste treatment system |
US3476250A (en) * | 1967-12-05 | 1969-11-04 | Rolland L Fifer | Transportable sewage treating apparatus |
US3423309A (en) * | 1968-03-22 | 1969-01-21 | Dorr Oliver Inc | Waste treatment for phosphate removal |
US3547813A (en) * | 1969-07-02 | 1970-12-15 | Union Carbide Corp | Biochemical oxidation with low sludge recycle |
US3650950A (en) * | 1969-08-20 | 1972-03-21 | Robert W White | Material shearing mixer and aerator |
US3677409A (en) * | 1970-10-15 | 1972-07-18 | Carl W Ferm | Sewage treatment system |
US3660277A (en) * | 1971-05-17 | 1972-05-02 | Union Carbide Corp | Oxygenation-ozonation of bod-containing water |
-
1972
- 1972-02-28 US US3772188D patent/US3772188A/en not_active Expired - Lifetime
-
1973
- 1973-08-22 GB GB3989773A patent/GB1423210A/en not_active Expired
- 1973-08-29 NL NL7311867A patent/NL7311867A/nl unknown
- 1973-08-30 DE DE19732343849 patent/DE2343849A1/de active Pending
- 1973-08-30 FR FR7331437A patent/FR2242337B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1423210A (en) | 1976-02-04 |
DE2343849A1 (de) | 1975-03-06 |
US3772188A (en) | 1973-11-13 |
FR2242337A1 (nl) | 1975-03-28 |
FR2242337B1 (nl) | 1977-02-25 |
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