FR2268755B1 - - Google Patents

Info

Publication number: FR2268755B1
Authority: FR; France
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

Application number

FR7512795A

Other versions

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.)

Stamicarbon BV

Original Assignee

Stamicarbon BV

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.)

1974-04-26

Filing date

1975-04-24

Publication date

1978-09-01

1975-04-24 Application filed by Stamicarbon BV filed Critical Stamicarbon BV

1975-11-21 Publication of FR2268755A1 publication Critical patent/FR2268755A1/fr

1978-09-01 Application granted granted Critical

1978-09-01 Publication of FR2268755B1 publication Critical patent/FR2268755B1/fr

Status Expired legal-status Critical Current

Classifications

- 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
- C02F3/1294—"Venturi" aeration means
- 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
- 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
- C02F3/14—Activated sludge processes using surface aeration
- C02F3/145—Protection against aerosols
- 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

Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Water Supply & Treatment (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Microbiology (AREA)
Biodiversity & Conservation Biology (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Physical Water Treatments (AREA)
Treatment Of Water By Oxidation Or Reduction (AREA)

FR7512795A 1974-04-26 1975-04-24 Expired FR2268755B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7405628A NL7405628A (nl)	1974-04-26	1974-04-26	Werkwijze en inrichting voor het begassen van vloeistoffen.

Publications (2)

Publication Number	Publication Date
FR2268755A1 FR2268755A1 (fr)	1975-11-21
FR2268755B1 true FR2268755B1 (fr)	1978-09-01

Family

ID=19821233

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7512795A Expired FR2268755B1 (fr)	1974-04-26	1975-04-24

Country Status (15)

Country	Link
US (1)	US4189384A (fr)
JP (1)	JPS50159142A (fr)
AT (1)	AT336516B (fr)
BE (1)	BE828392A (fr)
CA (1)	CA1034268A (fr)
CH (1)	CH599052A5 (fr)
DD (1)	DD117434A5 (fr)
DE (1)	DE2517865A1 (fr)
ES (2)	ES436960A1 (fr)
FR (1)	FR2268755B1 (fr)
GB (1)	GB1461210A (fr)
IT (1)	IT1035463B (fr)
NL (1)	NL7405628A (fr)
SE (1)	SE7504793L (fr)
ZA (1)	ZA752547B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU74888A1 (fr) *	1976-05-06	1977-12-02
NL8402281A (nl) *	1984-07-19	1986-02-17	Pacques Bv	Inrichting voor de zuivering van water, voorzien van een opstroomreactor met een op het centrale watertoevoersysteem aan te sluiten influentverdeelsysteem.
US5344563A (en) *	1993-06-01	1994-09-06	Noyes Daniel G	Wastewater treatment system
CN115282795A (zh) *	2022-07-05	2022-11-04	张龙	一种基于闭果加工粉状原料非接触式混合溶解设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1734011A (en) *	1926-02-25	1929-10-29	Chemomechanical Water Improvem	Process of purifying polluted water, sewage, and the like by a chemobiological-mechanical process
GB308254A (fr) *	1928-03-20	1930-06-04	Kupferhuette Ertel, Bieber & Co.
US3503593A (en) *	1969-06-04	1970-03-31	Bird Machine Co	Apparatus for promoting dissolving of gas in liquid
US3733263A (en) *	1971-03-01	1973-05-15	Kimberly Clark Co	Waste treatment system
US3846292A (en) *	1971-04-30	1974-11-05	Kimberly Clark Co	Ejector aerated oxidation ditch for waste treatment
DE2216917C3 (de) *	1972-04-07	1974-09-19	Richard Dipl.-Ing. 6100 Darmstadt Schreiber	Vorrichtung zum Lösen von Sauerstoff in Wasser
US3840216A (en) *	1972-10-26	1974-10-08	Clark & Vicario Corp	Vacuum aeration of liquid waste effluent

1974
- 1974-04-26 NL NL7405628A patent/NL7405628A/xx unknown
1975
- 1975-04-21 ZA ZA00752547A patent/ZA752547B/xx unknown
- 1975-04-22 GB GB1666575A patent/GB1461210A/en not_active Expired
- 1975-04-22 AT AT308275A patent/AT336516B/de not_active IP Right Cessation
- 1975-04-22 DE DE19752517865 patent/DE2517865A1/de active Pending
- 1975-04-23 CA CA225,283A patent/CA1034268A/fr not_active Expired
- 1975-04-24 SE SE7504793A patent/SE7504793L/xx unknown
- 1975-04-24 IT IT4929775A patent/IT1035463B/it active
- 1975-04-24 FR FR7512795A patent/FR2268755B1/fr not_active Expired
- 1975-04-24 US US05/571,352 patent/US4189384A/en not_active Expired - Lifetime
- 1975-04-25 DD DD18570075A patent/DD117434A5/xx unknown
- 1975-04-25 JP JP5058175A patent/JPS50159142A/ja active Pending
- 1975-04-25 CH CH530575A patent/CH599052A5/xx not_active IP Right Cessation
- 1975-04-25 BE BE155774A patent/BE828392A/xx unknown
- 1975-04-25 ES ES436960A patent/ES436960A1/es not_active Expired
- 1975-11-28 ES ES443054A patent/ES443054A1/es not_active Expired

Also Published As

Publication number	Publication date
DD117434A5 (fr)	1976-01-12
ZA752547B (en)	1976-03-31
CH599052A5 (fr)	1978-05-12
US4189384A (en)	1980-02-19
ATA308275A (de)	1976-08-15
CA1034268A (fr)	1978-07-04
ES443054A1 (es)	1977-04-01
AT336516B (de)	1977-05-10
IT1035463B (it)	1979-10-20
DE2517865A1 (de)	1975-11-13
GB1461210A (en)	1977-01-13
JPS50159142A (fr)	1975-12-23
AU8054375A (en)	1976-10-28
SE7504793L (sv)	1975-10-27
ES436960A1 (es)	1976-12-01
FR2268755A1 (fr)	1975-11-21
BE828392A (nl)	1975-10-27
NL7405628A (nl)	1975-10-28

Publication	Publication Date	Title
FR2269324A1 (fr)	1975-11-28
FI751020A (fr)	1975-10-09
FR2285249B1 (fr)	1983-02-04
FR2257630A1 (fr)	1975-08-08
FR2266861B3 (fr)	1977-12-16
FR2268755B1 (fr)	1978-09-01
FR2272722A1 (fr)	1975-12-26
FR2276993B3 (fr)	1977-05-06
FR2274762B1 (fr)	1978-12-22
FR2269904B1 (fr)	1976-12-24
FR2265442B1 (fr)	1976-10-08
DE2427247A1 (fr)	1975-12-04
CS172646B1 (fr)	1977-01-28
BG21263A1 (fr)	1976-05-20
BG20922A1 (fr)	1976-01-20
AU482308A (fr)	1975-12-18
DD109811A1 (fr)	1974-11-20
BG20966A1 (fr)	1976-01-20
CH595907A5 (fr)	1978-02-28
CH595626A5 (fr)	1978-02-15
CH574288A5 (fr)	1976-04-15
BG21276A1 (fr)	1976-05-20
BG20937A1 (fr)	1976-01-20
BG21144A1 (fr)	1976-03-20
AU482332A (fr)	1976-02-12

Legal Events

Date	Code	Title	Description
1980-02-22	ST	Notification of lapse