ZA701789B - Device for aerating liquids - Google Patents

Device for aerating liquids

Info

Publication number
ZA701789B
ZA701789B ZA701789A ZA701789A ZA701789B ZA 701789 B ZA701789 B ZA 701789B ZA 701789 A ZA701789 A ZA 701789A ZA 701789 A ZA701789 A ZA 701789A ZA 701789 B ZA701789 B ZA 701789B
Authority
ZA
South Africa
Prior art keywords
aerating liquids
aerating
liquids
Prior art date
Application number
ZA701789A
Inventor
P Huisman
C Jelier
Original Assignee
South African Inventions
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 South African Inventions filed Critical South African Inventions
Priority to ZA701789A priority Critical patent/ZA701789B/en
Priority to US3744774D priority patent/US3744774A/en
Priority to IL3632871A priority patent/IL36328A/en
Priority to JP1412771A priority patent/JPS544102B1/ja
Priority to GB2322671A priority patent/GB1285014A/en
Publication of ZA701789B publication Critical patent/ZA701789B/en

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
    • C02F3/14—Activated sludge processes using surface aeration
    • C02F3/18—Activated sludge processes using surface aeration the aerator having a horizontal axis
    • 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
    • B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Biological Treatment Of Waste Water (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
ZA701789A 1970-03-17 1970-03-17 Device for aerating liquids ZA701789B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ZA701789A ZA701789B (en) 1970-03-17 1970-03-17 Device for aerating liquids
US3744774D US3744774A (en) 1970-03-17 1971-03-02 Device for aerating liquids
IL3632871A IL36328A (en) 1970-03-17 1971-03-03 Device for aerating liquids
JP1412771A JPS544102B1 (en) 1970-03-17 1971-03-16
GB2322671A GB1285014A (en) 1970-03-17 1971-04-19 Device for aerating liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA701789A ZA701789B (en) 1970-03-17 1970-03-17 Device for aerating liquids

Publications (1)

Publication Number Publication Date
ZA701789B true ZA701789B (en) 1971-05-27

Family

ID=25561792

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA701789A ZA701789B (en) 1970-03-17 1970-03-17 Device for aerating liquids

Country Status (5)

Country Link
US (1) US3744774A (en)
JP (1) JPS544102B1 (en)
GB (1) GB1285014A (en)
IL (1) IL36328A (en)
ZA (1) ZA701789B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127994A (en) * 1977-01-26 1978-12-05 White-Westinghouse Corporation Oil stirrer for refrigeration compressor
DE2829006A1 (en) * 1978-07-01 1980-01-10 Rheintechnik Weiland & Kaspar METHOD AND DEVICE FOR AERATING WATER
US4372895A (en) * 1980-04-28 1983-02-08 Envirex Inc. Disc for aeration of sewage
US4299601A (en) * 1980-09-15 1981-11-10 Bessam Manufacturing, Inc. Apparatus for filtering, washing and cooling gases
US4539110A (en) * 1983-08-03 1985-09-03 Hardison John C Liquid aerator
US5840196A (en) * 1997-06-10 1998-11-24 Laurent; Craig Thomas Wastewater management product and process
US5942161A (en) * 1997-07-16 1999-08-24 Battelle Memorial Institute Device and process for liquid treatment
SE512703C2 (en) * 1998-09-25 2000-05-02 Sandvik Ab Apparatus and method for making drops from a liquid
NZ624660A (en) * 2014-05-07 2015-11-27 Henley Ind Ltd Improvements in and relating to the aeration of fluids
WO2016044093A2 (en) * 2014-09-16 2016-03-24 Evoqua Water Technologies Llc Aeration discs and methods for using same
JP7471391B2 (en) * 2019-07-25 2024-04-19 バイエル アクチェンゲゼルシャフト Disks for spray units

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US248509A (en) * 1881-10-18 schmeja
GB215555A (en) *
US200540A (en) * 1878-02-19 Improvement in machines for preparing wood for making paper-pulp
US998491A (en) * 1910-03-02 1911-07-18 Warren H Frost Gas-scrubber.
GB191006438A (en) * 1910-03-15 1910-06-02 Albert William Mathys Improvements in Coffee Mills and the like.
US2253418A (en) * 1939-11-21 1941-08-19 Crandall Max Air conditioning apparatus
US2243839A (en) * 1940-05-23 1941-06-03 Ind Sheet Metal Works Inc Spray booth
US2778680A (en) * 1955-12-05 1957-01-22 Stanley W Bonser Water sprinkler for lawns, gardens, truck farms and golf courses, and the like
US2879979A (en) * 1956-11-08 1959-03-31 Byrhl F Wheeler Evaporative wheel
US3032281A (en) * 1959-06-05 1962-05-01 Soderhamns Verkst Er Aktiebola Wood chipping machine
US3229966A (en) * 1961-12-18 1966-01-18 Bernard W Kilgore Humidifying device

Also Published As

Publication number Publication date
US3744774A (en) 1973-07-10
GB1285014A (en) 1972-08-09
IL36328A0 (en) 1971-05-26
IL36328A (en) 1974-01-14
JPS544102B1 (en) 1979-03-02

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