NL169455C - Apparatus for the surface aeration of a water surface with at least one surface aerator displaceable over the water surface. - Google Patents

Apparatus for the surface aeration of a water surface with at least one surface aerator displaceable over the water surface.

Info

Publication number
NL169455C
NL169455C NL7004829A NL7004829A NL169455C NL 169455 C NL169455 C NL 169455C NL 7004829 A NL7004829 A NL 7004829A NL 7004829 A NL7004829 A NL 7004829A NL 169455 C NL169455 C NL 169455C
Authority
NL
Netherlands
Prior art keywords
water surface
water
aerator
aeration
displaceable over
Prior art date
Application number
NL7004829A
Other languages
Dutch (nl)
Other versions
NL7004829A (en
NL169455B (en
Original Assignee
Passavant Werke
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
Priority claimed from DE1917462A external-priority patent/DE1917462C3/en
Application filed by Passavant Werke filed Critical Passavant Werke
Publication of NL7004829A publication Critical patent/NL7004829A/xx
Publication of NL169455B publication Critical patent/NL169455B/en
Application granted granted Critical
Publication of NL169455C publication Critical patent/NL169455C/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
    • C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical 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
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/503—Floating mixing devices
    • 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
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • 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
    • B01F27/61—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis about an 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)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
NL7004829A 1969-04-03 1970-04-03 Apparatus for the surface aeration of a water surface with at least one surface aerator displaceable over the water surface. NL169455C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1917462A DE1917462C3 (en) 1969-04-03 1969-04-03 Device for surface aeration of water surfaces with at least one surface aerator that can be moved on the water surface
US82660169A 1969-05-21 1969-05-21
US82680169A 1969-05-21 1969-05-21

Publications (3)

Publication Number Publication Date
NL7004829A NL7004829A (en) 1970-10-06
NL169455B NL169455B (en) 1982-02-16
NL169455C true NL169455C (en) 1982-07-16

Family

ID=27181880

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7004829A NL169455C (en) 1969-04-03 1970-04-03 Apparatus for the surface aeration of a water surface with at least one surface aerator displaceable over the water surface.

Country Status (9)

Country Link
JP (1) JPS4935189B1 (en)
BE (1) BE748380A (en)
CH (1) CH508555A (en)
DE (1) DE2009429A1 (en)
DK (1) DK141549B (en)
FI (2) FI53566C (en)
FR (1) FR2042900A5 (en)
NL (1) NL169455C (en)
SE (1) SE365783B (en)

Also Published As

Publication number Publication date
FI53566C (en) 1978-06-12
FR2042900A5 (en) 1971-02-12
DK141549B (en) 1980-04-21
FI53566B (en) 1978-02-28
NL7004829A (en) 1970-10-06
DE2009429A1 (en) 1971-02-04
BE748380A (en) 1970-09-16
CH508555A (en) 1971-06-15
SE365783B (en) 1974-04-01
JPS4935189B1 (en) 1974-09-20
NL169455B (en) 1982-02-16
DK141549C (en) 1980-10-06

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee