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GB606418A - Improvements in or relating to diffusers for diffusing gases into liquids - Google Patents

Improvements in or relating to diffusers for diffusing gases into liquids

Info

Publication number
GB606418A
GB606418A GB1416744A GB1416744A GB606418A GB 606418 A GB606418 A GB 606418A GB 1416744 A GB1416744 A GB 1416744A GB 1416744 A GB1416744 A GB 1416744A GB 606418 A GB606418 A GB 606418A
Authority
GB
United Kingdom
Prior art keywords
pipe
diffuser
elements
liquids
porous
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
Application number
GB1416744A
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.)
ERIC PROCTOR COOMBS
Activated Sludge Ltd
Original Assignee
ERIC PROCTOR COOMBS
Activated Sludge 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.)
Filing date
Publication date
Application filed by ERIC PROCTOR COOMBS, Activated Sludge Ltd filed Critical ERIC PROCTOR COOMBS
Priority to GB1416744A priority Critical patent/GB606418A/en
Publication of GB606418A publication Critical patent/GB606418A/en
Expired legal-status Critical Current

Links

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
    • B01F23/23126—Diffusers characterised by the shape of the diffuser element
    • B01F23/231265—Diffusers characterised by the shape of the diffuser element being tubes, tubular elements, cylindrical elements or set of tubes
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (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)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

606,418. Aerating liquids. ACTIVATED SLUDGE, Ltd., and COOMBS, E. P. July 25, 1944, Nos. 14167 and 18997. [Class 14(i)] [Also in Group I] A diffuser for diffusing gases into liquids, for use for example in aerating sewage, comprises a diffuser pipe along which are located a plurality of detachable diffuser elements to form separate chambers, each element having a porous wall and being wholly or partly circular in cross-section, the diffuser pipe having an inlet for gas and oulets leading to the interior of the diffuser chambers. In the construction shown, a sewage treatment tank is provided with a pipe 13 connected at one end to a source of air supply and at the other end to a semi-circular diffuser pipe 15 with a flat face 16. The pipe 15 is connected by pipes 20 and nuts 21 to a series of semicircular porous diffuser elements 17. Each pipe 20 has a port 23 covered by a rubber sleeve 23a which permits air to pass through the port but prevents reverse flow of liquid. Pipes 15 may be connected together by expansion joints, each comprising a part 26 connected by bolts 29 to gland rings 27 with intervening packing 28. The joint may have a connection 26a, Fig. 3, for attachment to a feed pipe. The expansion joints and the elbow joint 13a Fig. 1, may be provided with one or more porous elements 39 of the kind described in Specification 605,046. In a modification the diffuser elements are tubular and surround the diffuser pipe the openings in which may be progressively increased in size or number along the pipe to compensate for reduction in air pressure.
GB1416744A 1944-07-25 1944-07-25 Improvements in or relating to diffusers for diffusing gases into liquids Expired GB606418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1416744A GB606418A (en) 1944-07-25 1944-07-25 Improvements in or relating to diffusers for diffusing gases into liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1416744A GB606418A (en) 1944-07-25 1944-07-25 Improvements in or relating to diffusers for diffusing gases into liquids

Publications (1)

Publication Number Publication Date
GB606418A true GB606418A (en) 1948-08-13

Family

ID=10036208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1416744A Expired GB606418A (en) 1944-07-25 1944-07-25 Improvements in or relating to diffusers for diffusing gases into liquids

Country Status (1)

Country Link
GB (1) GB606418A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279773A (en) * 1963-10-31 1966-10-18 Albert L Schwartz Gas distributing structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279773A (en) * 1963-10-31 1966-10-18 Albert L Schwartz Gas distributing structure

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