ZA746555B - Method and apparatus for treating wastewater - Google Patents

Method and apparatus for treating wastewater

Info

Publication number
ZA746555B
ZA746555B ZA00746555A ZA746555A ZA746555B ZA 746555 B ZA746555 B ZA 746555B ZA 00746555 A ZA00746555 A ZA 00746555A ZA 746555 A ZA746555 A ZA 746555A ZA 746555 B ZA746555 B ZA 746555B
Authority
ZA
South Africa
Prior art keywords
treating wastewater
wastewater
treating
Prior art date
Application number
ZA00746555A
Other languages
English (en)
Inventor
R Chappel
B Kirk
Original Assignee
Airco Inc
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 Airco Inc filed Critical Airco Inc
Publication of ZA746555B publication Critical patent/ZA746555B/xx

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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1284—Mixing devices
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
    • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
    • B01F23/232312—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit the guiding constructions being baffles for guiding the flow up-and-down or from left-to-right
    • 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
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • 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
    • 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
    • B01F23/2341—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere
    • B01F23/23411—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere by cascading the liquid
    • 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
    • B01F23/2366—Parts; Accessories
    • B01F23/2368—Mixing receptacles, e.g. tanks, vessels or reactors, being completely closed, e.g. hermetically closed
    • 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
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237612—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/751—Discharging by opening a gate, e.g. using discharge paddles
    • 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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1289—Aeration by saturation under super-atmospheric pressure
    • 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
    • C02F3/24—Activated sludge processes using free-fall aeration or spraying
    • 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
    • C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • 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)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Microbiology (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Treatment Of Biological Wastes In General (AREA)
  • Activated Sludge Processes (AREA)
  • Rotary Pumps (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
ZA00746555A 1973-11-06 1974-10-15 Method and apparatus for treating wastewater ZA746555B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41340973A 1973-11-06 1973-11-06

Publications (1)

Publication Number Publication Date
ZA746555B true ZA746555B (en) 1975-11-26

Family

ID=23637112

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00746555A ZA746555B (en) 1973-11-06 1974-10-15 Method and apparatus for treating wastewater

Country Status (20)

Country Link
JP (1) JPS555398B2 (xx)
AR (1) AR209918A1 (xx)
AT (1) AT338708B (xx)
AU (1) AU472869B2 (xx)
BE (1) BE821507A (xx)
BR (1) BR7409231A (xx)
CA (3) CA1040759A (xx)
CH (1) CH608470A5 (xx)
DD (1) DD116213A5 (xx)
DE (1) DE2452295C3 (xx)
ES (1) ES430997A1 (xx)
FR (1) FR2249844B1 (xx)
GB (1) GB1450612A (xx)
IL (1) IL45829A (xx)
IN (1) IN142402B (xx)
IT (1) IT1022500B (xx)
NL (1) NL7413332A (xx)
PL (1) PL92389B1 (xx)
SE (1) SE7411730L (xx)
ZA (1) ZA746555B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983031A (en) * 1975-04-02 1976-09-28 Airco, Inc. Methods and apparatus for controlling the supply of a feed gas to dissolution devices
EP0027912A1 (en) * 1979-10-02 1981-05-06 Union Carbide Corporation Apparatus for contacting liquid with a gas
DE3068364D1 (en) * 1979-10-02 1984-08-02 Union Carbide Corp Apparatus for contacting liquid with a gas
FR2627864A1 (fr) * 1988-02-29 1989-09-01 Asulab Sa Dispositif d'affichage pour instrument de mesure
US8899823B2 (en) * 2011-12-09 2014-12-02 Advanced Stimulation Technology, Inc. Gel hydration unit
CN103880154B (zh) * 2014-02-17 2016-04-20 江苏亚洲环保有限公司 一种一体化富氧生物反应器
CN108499413A (zh) * 2018-06-15 2018-09-07 浙江乐匠新材料科技有限公司 一种水性涂料生产用调漆罐

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371033A (en) * 1965-08-11 1968-02-27 Fmc Corp Method of treating sewage and apparatus therefor
US3732160A (en) * 1968-08-21 1973-05-08 Research Corp Submerged filter-horizontal flow mode

Also Published As

Publication number Publication date
IN142402B (xx) 1977-07-02
PL92389B1 (xx) 1977-04-30
AU7495674A (en) 1976-05-06
SE7411730L (xx) 1975-05-07
GB1450612A (en) 1976-09-22
JPS5079167A (xx) 1975-06-27
AR209918A1 (es) 1977-06-15
ATA890674A (de) 1976-12-15
AT338708B (de) 1977-09-12
CH608470A5 (xx) 1979-01-15
FR2249844B1 (xx) 1979-08-03
JPS555398B2 (xx) 1980-02-06
IL45829A0 (en) 1974-12-31
NL7413332A (nl) 1975-05-09
IT1022500B (it) 1978-03-20
FR2249844A1 (xx) 1975-05-30
BR7409231A (pt) 1976-05-11
DD116213A5 (xx) 1975-11-12
DE2452295C3 (de) 1979-10-04
IL45829A (en) 1977-03-31
CA1044603A (en) 1978-12-19
DE2452295B2 (de) 1978-02-02
DE2452295A1 (de) 1975-05-15
AU472869B2 (en) 1976-05-06
ES430997A1 (es) 1977-01-16
CA1053766A (en) 1979-05-01
BE821507A (fr) 1975-04-25
CA1040759A (en) 1978-10-17

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