CA1085976A - Treatment of aqueous sludges - Google Patents

Treatment of aqueous sludges

Info

Publication number
CA1085976A
CA1085976A CA282,850A CA282850A CA1085976A CA 1085976 A CA1085976 A CA 1085976A CA 282850 A CA282850 A CA 282850A CA 1085976 A CA1085976 A CA 1085976A
Authority
CA
Canada
Prior art keywords
sludge
vessel
pump
oxygen
nozzle
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
CA282,850A
Other languages
English (en)
French (fr)
Inventor
Harold G. Gunson
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.)
WELSH NATIONAL WATER DEVELOPMENT AUTHORITY
Original Assignee
WELSH NATIONAL WATER DEVELOPMENT AUTHORITY
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 WELSH NATIONAL WATER DEVELOPMENT AUTHORITY filed Critical WELSH NATIONAL WATER DEVELOPMENT AUTHORITY
Application granted granted Critical
Publication of CA1085976A publication Critical patent/CA1085976A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20Mixing gases with liquids
    • B01F23/23Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232Mixing 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1278Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294"Venturi" aeration means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40Mixing liquids with liquids; Emulsifying
    • B01F23/45Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/454Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/211Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being surrounded by guiding tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30Injector mixers
    • B01F25/31Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/20Sludge processing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (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)
  • Treatment Of Sludge (AREA)
  • Fertilizers (AREA)
CA282,850A 1976-07-16 1977-07-15 Treatment of aqueous sludges Expired CA1085976A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB29785/76A GB1587718A (en) 1976-07-16 1976-07-16 Treatment of aqueous sludges
GB29785/76 1976-07-16

Publications (1)

Publication Number Publication Date
CA1085976A true CA1085976A (en) 1980-09-16

Family

ID=10297131

Family Applications (1)

Application Number Title Priority Date Filing Date
CA282,850A Expired CA1085976A (en) 1976-07-16 1977-07-15 Treatment of aqueous sludges

Country Status (10)

Country Link
JP (1) JPS54109243A (nl)
AU (1) AU513489B2 (nl)
CA (1) CA1085976A (nl)
DE (1) DE2731918A1 (nl)
FR (1) FR2358363A1 (nl)
GB (1) GB1587718A (nl)
NL (1) NL7707907A (nl)
NZ (1) NZ184618A (nl)
SE (1) SE7708254L (nl)
ZA (1) ZA774162B (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398025A1 (fr) * 1977-07-19 1979-02-16 Blum Albert Procede et dispositif pour introduire de l'air dans des liquides, en particulier pour l'aeration des eaux residuaires
GB2145344B (en) * 1983-08-24 1987-12-02 Butterworth System Inc Agitating settled sludge in a storage tank
CN111533391B (zh) * 2020-05-21 2022-05-31 杭州泽灿环境科技有限公司 一种垃圾压滤液处理系统及方法

Also Published As

Publication number Publication date
FR2358363A1 (fr) 1978-02-10
NL7707907A (nl) 1978-01-18
FR2358363B3 (nl) 1980-07-11
DE2731918A1 (de) 1978-01-19
JPS54109243A (en) 1979-08-27
AU513489B2 (en) 1980-12-04
ZA774162B (en) 1978-05-30
SE7708254L (sv) 1978-01-17
AU2698477A (en) 1979-01-18
NZ184618A (en) 1979-12-11
GB1587718A (en) 1981-04-08

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