IT1079647B - IMPROVEMENT IN AERATION EQUIPMENT FOR THE PURIFICATION OF WASTEWATER IN THE PRESENCE OF BIOLOGICALLY ACTIVE SLUDGE - Google Patents

IMPROVEMENT IN AERATION EQUIPMENT FOR THE PURIFICATION OF WASTEWATER IN THE PRESENCE OF BIOLOGICALLY ACTIVE SLUDGE

Info

Publication number
IT1079647B
IT1079647B IT4928877A IT4928877A IT1079647B IT 1079647 B IT1079647 B IT 1079647B IT 4928877 A IT4928877 A IT 4928877A IT 4928877 A IT4928877 A IT 4928877A IT 1079647 B IT1079647 B IT 1079647B
Authority
IT
Italy
Prior art keywords
wastewater
purification
improvement
biologically active
active sludge
Prior art date
Application number
IT4928877A
Other languages
Italian (it)
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Application granted granted Critical
Publication of IT1079647B publication Critical patent/IT1079647B/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
    • C02F3/1236—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
    • B01F23/234—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
    • B01F23/23413—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere using nozzles for projecting the liquid into the gas atmosphere
    • 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
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • 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
    • C02F3/1294—"Venturi" aeration means
    • 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
    • C02F3/145—Protection against aerosols
    • 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
    • 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
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy

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)
  • Physical Water Treatments (AREA)
IT4928877A 1976-05-06 1977-05-05 IMPROVEMENT IN AERATION EQUIPMENT FOR THE PURIFICATION OF WASTEWATER IN THE PRESENCE OF BIOLOGICALLY ACTIVE SLUDGE IT1079647B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU74888A LU74888A1 (en) 1976-05-06 1976-05-06

Publications (1)

Publication Number Publication Date
IT1079647B true IT1079647B (en) 1985-05-13

Family

ID=19728229

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4928877A IT1079647B (en) 1976-05-06 1977-05-05 IMPROVEMENT IN AERATION EQUIPMENT FOR THE PURIFICATION OF WASTEWATER IN THE PRESENCE OF BIOLOGICALLY ACTIVE SLUDGE

Country Status (16)

Country Link
JP (1) JPS52135566A (en)
AT (1) AT351467B (en)
AU (1) AU506979B2 (en)
BE (1) BE854304A (en)
CA (1) CA1093117A (en)
CH (1) CH617870A5 (en)
DD (1) DD130471A5 (en)
DE (1) DE2720447A1 (en)
ES (1) ES458506A1 (en)
FR (1) FR2350305A1 (en)
GB (1) GB1572838A (en)
IT (1) IT1079647B (en)
LU (1) LU74888A1 (en)
NL (1) NL7704827A (en)
SE (1) SE422455B (en)
ZA (1) ZA772677B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH566806A5 (en) * 1973-07-27 1975-09-30 Kolb Eugen Ag
NL7405628A (en) * 1974-04-26 1975-10-28 Stamicarbon METHOD AND EQUIPMENT FOR THE GASING OF LIQUIDS.

Also Published As

Publication number Publication date
JPS52135566A (en) 1977-11-12
ATA317577A (en) 1978-12-15
SE422455B (en) 1982-03-08
DD130471A5 (en) 1978-04-05
ZA772677B (en) 1978-04-26
AU506979B2 (en) 1980-01-31
AU2486877A (en) 1978-11-09
LU74888A1 (en) 1977-12-02
NL7704827A (en) 1977-11-08
CH617870A5 (en) 1980-06-30
FR2350305B1 (en) 1984-02-03
SE7705216L (en) 1977-11-07
CA1093117A (en) 1981-01-06
AT351467B (en) 1979-07-25
DE2720447A1 (en) 1977-11-24
ES458506A1 (en) 1978-11-16
BE854304A (en) 1977-11-07
FR2350305A1 (en) 1977-12-02
GB1572838A (en) 1980-08-06

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