GB1587718A - Treatment of aqueous sludges - Google Patents

Treatment of aqueous sludges Download PDF

Info

Publication number
GB1587718A
GB1587718A GB29785/76A GB2978576A GB1587718A GB 1587718 A GB1587718 A GB 1587718A GB 29785/76 A GB29785/76 A GB 29785/76A GB 2978576 A GB2978576 A GB 2978576A GB 1587718 A GB1587718 A GB 1587718A
Authority
GB
United Kingdom
Prior art keywords
sludge
vessel
pump
oxygen
gas
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
GB29785/76A
Other languages
English (en)
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 NAT WATER DEV
Original Assignee
WELSH NAT WATER DEV
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 NAT WATER DEV filed Critical WELSH NAT WATER DEV
Priority to GB29785/76A priority Critical patent/GB1587718A/en
Priority to ZA00774162A priority patent/ZA774162B/xx
Priority to NZ18461877A priority patent/NZ184618A/xx
Priority to AU26984/77A priority patent/AU513489B2/en
Priority to DE19772731918 priority patent/DE2731918A1/de
Priority to JP8491977A priority patent/JPS54109243A/ja
Priority to SE7708254A priority patent/SE7708254L/xx
Priority to CA282,850A priority patent/CA1085976A/en
Priority to NL7707907A priority patent/NL7707907A/xx
Priority to FR7721971A priority patent/FR2358363A1/fr
Publication of GB1587718A publication Critical patent/GB1587718A/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)
GB29785/76A 1976-07-16 1976-07-16 Treatment of aqueous sludges Expired GB1587718A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB29785/76A GB1587718A (en) 1976-07-16 1976-07-16 Treatment of aqueous sludges
ZA00774162A ZA774162B (en) 1976-07-16 1977-07-11 Treatment of aqueous sludges
NZ18461877A NZ184618A (en) 1976-07-16 1977-07-11 Aerobic treatment of sludge and apparatus for sludge treatment
AU26984/77A AU513489B2 (en) 1976-07-16 1977-07-13 Treatment of aqueous sludge
DE19772731918 DE2731918A1 (de) 1976-07-16 1977-07-14 Verfahren zur behandlung waessriger schlaemme
JP8491977A JPS54109243A (en) 1976-07-16 1977-07-15 Aerobic assimilating method of sludge and its device
SE7708254A SE7708254L (sv) 1976-07-16 1977-07-15 Behandling av vattenhaltigt slam
CA282,850A CA1085976A (en) 1976-07-16 1977-07-15 Treatment of aqueous sludges
NL7707907A NL7707907A (nl) 1976-07-16 1977-07-15 Werkwijze voor het behandelen van waterig slib.
FR7721971A FR2358363A1 (fr) 1976-07-16 1977-07-18 Procede et appareil de traitement des boues aqueuses par voie aerobie

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1587718A true GB1587718A (en) 1981-04-08

Family

ID=10297131

Family Applications (1)

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

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145344A (en) * 1983-08-24 1985-03-27 Butterworth System Inc Agitating settled sludge in a storage tank

Families Citing this family (2)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145344A (en) * 1983-08-24 1985-03-27 Butterworth System Inc Agitating settled sludge in a storage tank

Also Published As

Publication number Publication date
ZA774162B (en) 1978-05-30
FR2358363B3 (enExample) 1980-07-11
SE7708254L (sv) 1978-01-17
AU2698477A (en) 1979-01-18
DE2731918A1 (de) 1978-01-19
CA1085976A (en) 1980-09-16
JPS54109243A (en) 1979-08-27
AU513489B2 (en) 1980-12-04
NZ184618A (en) 1979-12-11
NL7707907A (nl) 1978-01-18
FR2358363A1 (fr) 1978-02-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee