FR502027A - Improvements in aeration and purification of sewage and other impure liquids - Google Patents

Improvements in aeration and purification of sewage and other impure liquids

Info

Publication number
FR502027A
FR502027A FR502027DA FR502027A FR 502027 A FR502027 A FR 502027A FR 502027D A FR502027D A FR 502027DA FR 502027 A FR502027 A FR 502027A
Authority
FR
France
Prior art keywords
aeration
sewage
purification
impure liquids
impure
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
Other languages
French (fr)
Inventor
Oswald Stott
Ernest Reginald Jones
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR502027A publication Critical patent/FR502027A/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
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1257—Oxidation ditches
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2332—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements the stirrer rotating about a horizontal axis; Stirrers 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
    • B01F23/234—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
    • 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
    • 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
FR502027D 1918-05-14 1919-07-29 Improvements in aeration and purification of sewage and other impure liquids Expired FR502027A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB804118A GB133722A (en) 1918-05-14 1918-05-14 Improvements in and connected with the Aeration of Sewage and other Impure Liquids
FR502027T 1919-07-29

Publications (1)

Publication Number Publication Date
FR502027A true FR502027A (en) 1920-05-01

Family

ID=45529257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR502027D Expired FR502027A (en) 1918-05-14 1919-07-29 Improvements in aeration and purification of sewage and other impure liquids

Country Status (2)

Country Link
FR (1) FR502027A (en)
GB (1) GB133722A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397222A1 (en) * 1977-07-13 1979-02-09 Bahr Albert Sewage aeration system - with flow acceleration and deflection of bottom layers towards revolving aerator
FR2422596A1 (en) * 1978-01-02 1979-11-09 Passavant Werke Sewage purification system - exposing effluent to oxygen or air supply over part of its circulation path

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2302146C3 (en) * 1973-01-17 1981-07-16 Hanns 7410 Reutlingen Parsch Aeration basins for sewage treatment plants
US10919006B2 (en) * 2016-03-14 2021-02-16 Championx Usa Inc. Progressive tank system and method for using the same
CN112320982A (en) * 2020-11-15 2021-02-05 邱学尧 Method and facility for unpowered water body reoxygenation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397222A1 (en) * 1977-07-13 1979-02-09 Bahr Albert Sewage aeration system - with flow acceleration and deflection of bottom layers towards revolving aerator
FR2422596A1 (en) * 1978-01-02 1979-11-09 Passavant Werke Sewage purification system - exposing effluent to oxygen or air supply over part of its circulation path

Also Published As

Publication number Publication date
GB133722A (en) 1919-10-14

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