GB9008980D0 - Improved flotation for aerators - Google Patents

Improved flotation for aerators

Info

Publication number
GB9008980D0
GB9008980D0 GB909008980A GB9008980A GB9008980D0 GB 9008980 D0 GB9008980 D0 GB 9008980D0 GB 909008980 A GB909008980 A GB 909008980A GB 9008980 A GB9008980 A GB 9008980A GB 9008980 D0 GB9008980 D0 GB 9008980D0
Authority
GB
United Kingdom
Prior art keywords
aerators
improved flotation
flotation
improved
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.)
Granted
Application number
GB909008980A
Other versions
GB2234235B (en
GB2234235A (en
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.)
CAMPBELL ELISABETH M
Original Assignee
CAMPBELL ELISABETH M
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 CAMPBELL ELISABETH M filed Critical CAMPBELL ELISABETH M
Publication of GB9008980D0 publication Critical patent/GB9008980D0/en
Publication of GB2234235A publication Critical patent/GB2234235A/en
Application granted granted Critical
Publication of GB2234235B publication Critical patent/GB2234235B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/503—Floating mixing devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
GB9008980A 1989-04-26 1990-04-21 Improved flotation for aerators Expired - Lifetime GB2234235B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898909454A GB8909454D0 (en) 1989-04-26 1989-04-26 Improved floatation for aerators

Publications (3)

Publication Number Publication Date
GB9008980D0 true GB9008980D0 (en) 1990-06-20
GB2234235A GB2234235A (en) 1991-01-30
GB2234235B GB2234235B (en) 1992-10-14

Family

ID=10655701

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898909454A Pending GB8909454D0 (en) 1989-04-26 1989-04-26 Improved floatation for aerators
GB9008980A Expired - Lifetime GB2234235B (en) 1989-04-26 1990-04-21 Improved flotation for aerators

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898909454A Pending GB8909454D0 (en) 1989-04-26 1989-04-26 Improved floatation for aerators

Country Status (1)

Country Link
GB (2) GB8909454D0 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA949238A (en) * 1970-04-27 1974-06-11 John R. Mcwhirter System for gas sparging into liquid
US3755142A (en) * 1971-05-21 1973-08-28 W Whipple Process and apparatus for the purification of a natural body of water
US4070427A (en) * 1975-04-09 1978-01-24 Samuel M. Bell Concrete plank and method for making it for elevated playing court surfaces
DE8413384U1 (en) * 1984-05-02 1984-08-16 Passavant-Werke AG & Co KG, 6209 Aarbergen VENTILATION DEVICE
DE3424153C2 (en) * 1984-06-30 1986-09-11 Mti Manoevriertechnisches Institut Gmbh, 2000 Hamburg Device for introducing air into polluted waters
ATE60033T1 (en) * 1986-06-13 1991-02-15 Nordenskjoeld Reinhart Von PROCESSES FOR BIOLOGICAL PURIFICATION OF WASTEWATER.
IT1203904B (en) * 1987-04-15 1989-02-23 Giacinto Petrillo PROCEDURE AND EQUIPMENT FOR THE RECLAMATION OF WATERS ON THE BANKS OF LAKES OR SEAS

Also Published As

Publication number Publication date
GB2234235B (en) 1992-10-14
GB2234235A (en) 1991-01-30
GB8909454D0 (en) 1989-06-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990421