GB1511656A – Porous diffuser assemblies
– Google Patents
GB1511656A – Porous diffuser assemblies
– Google Patents
Porous diffuser assemblies
Info
Publication number
GB1511656A
GB1511656A
GB4320374A
GB4320374A
GB1511656A
GB 1511656 A
GB1511656 A
GB 1511656A
GB 4320374 A
GB4320374 A
GB 4320374A
GB 4320374 A
GB4320374 A
GB 4320374A
GB 1511656 A
GB1511656 A
GB 1511656A
Authority
GB
United Kingdom
Prior art keywords
diffuser
air
gasket
oct
porous diffuser
Prior art date
1975-10-27
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
GB4320374A
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.)
Reed International Ltd
Original Assignee
Reed International 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.)
1975-10-27
Filing date
1975-10-27
Publication date
1978-05-24
1975-10-27
Application filed by Reed International Ltd
filed
Critical
Reed International Ltd
1975-10-27
Priority to GB4320374A
priority
Critical
patent/GB1511656A/en
1978-05-24
Publication of GB1511656A
publication
Critical
patent/GB1511656A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
C02F3/20—Activated sludge processes using diffusers
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
B01F23/2311—Mounting the bubbling devices or the diffusers
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
B01F23/2311—Mounting the bubbling devices or the diffusers
B01F23/23114—Mounting the bubbling devices or the diffusers characterised by the way in which the different elements of the bubbling installation are mounted
B01F23/231143—Mounting the bubbling elements or diffusors, e.g. on conduits, using connecting elements; Connections therefor
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
B01F23/2312—Diffusers
B01F23/23123—Diffusers consisting of rigid porous or perforated material
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
B01F23/2312—Diffusers
B01F23/23125—Diffusers characterised by the way in which they are assembled or mounted; Fabricating the parts of the diffusers
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
B01F23/2312—Diffusers
B01F23/23126—Diffusers characterised by the shape of the diffuser element
B01F23/231262—Diffusers characterised by the shape of the diffuser element having disc shape
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
Abstract
1511656 Aerating liquids REED INTERNATIONAL Ltd 27 Oct 1975 [4 Oct 1974] 43203/74 Heading B1C Aerating apparatus of the type having a porous diffuser 2 immersed in the liquid to be aerated and supplied with air by an air pipe 1 on which the diffuser is mounted by mounting means 3 includes a gasket 25 between a depending rim of the diffuser and a support surface 18 therefor, the gasket having ribs 27 on its lower surface which are intended to allow a controlled leakage of air in bubbles which are approximately the same size as those emerging from the diffuser.
GB4320374A
1975-10-27
1975-10-27
Porous diffuser assemblies
Expired
GB1511656A
(en)
Priority Applications (1)
Application Number
Priority Date
Filing Date
Title
GB4320374A
GB1511656A
(en)
1975-10-27
1975-10-27
Porous diffuser assemblies
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB4320374A
GB1511656A
(en)
1975-10-27
1975-10-27
Porous diffuser assemblies
Publications (1)
Publication Number
Publication Date
GB1511656A
true
GB1511656A
(en)
1978-05-24
Family
ID=10427746
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB4320374A
Expired
GB1511656A
(en)
1975-10-27
1975-10-27
Porous diffuser assemblies
Country Status (1)
Country
Link
GB
(1)
GB1511656A
(en)
Cited By (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4569805A
(en)
*
1984-09-28
1986-02-11
The Gray Engineering Group Inc.
Apparatus for the submerged introduction of a fluid into a body of liquid
US5714062A
(en)
*
1993-10-01
1998-02-03
Water Pollution Control Corporation
Diffuser conduit joint
EP1156871A1
(en)
*
1999-03-02
2001-11-28
United States Filter Corporation
Diffuser assembly
1975
1975-10-27
GB
GB4320374A
patent/GB1511656A/en
not_active
Expired
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4569805A
(en)
*
1984-09-28
1986-02-11
The Gray Engineering Group Inc.
Apparatus for the submerged introduction of a fluid into a body of liquid
US5714062A
(en)
*
1993-10-01
1998-02-03
Water Pollution Control Corporation
Diffuser conduit joint
EP1156871A1
(en)
*
1999-03-02
2001-11-28
United States Filter Corporation
Diffuser assembly
EP1156871A4
(en)
*
1999-03-02
2002-07-31
United States Filter Corp
Diffuser assembly
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Legal Events
Date
Code
Title
Description
1978-09-27
PS
Patent sealed [section 19, patents act 1949]
1986-07-02
PCNP
Patent ceased through non-payment of renewal fee
