FI64745C - Foerfarande foer framstaellning av vid avloppsvattenrening anvaend kalkmjoelk - Google Patents

Foerfarande foer framstaellning av vid avloppsvattenrening anvaend kalkmjoelk Download PDF

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Publication number
FI64745C
FI64745C FI772135A FI772135A FI64745C FI 64745 C FI64745 C FI 64745C FI 772135 A FI772135 A FI 772135A FI 772135 A FI772135 A FI 772135A FI 64745 C FI64745 C FI 64745C
Authority
FI
Finland
Prior art keywords
lime
lamellae
sludge
milk
slurry
Prior art date
Application number
FI772135A
Other languages
English (en)
Finnish (fi)
Other versions
FI772135A7 (fi
FI64745B (fi
Inventor
Stig Arvid Henrikson
Original Assignee
Stig Arvid Henrikson
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 Stig Arvid Henrikson filed Critical Stig Arvid Henrikson
Publication of FI772135A7 publication Critical patent/FI772135A7/fi
Publication of FI64745B publication Critical patent/FI64745B/fi
Application granted granted Critical
Publication of FI64745C publication Critical patent/FI64745C/fi

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/529Processes or devices for preparing lime water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0045Plurality of essentially parallel plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • B01D21/08Settling tanks with single outlets for the separated liquid provided with flocculating compartments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2488Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00Dissolving
    • B01F21/15Dissolving comprising constructions for blocking or redispersing undissolved solids, e.g. sieves, separators or guiding constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00Dissolving
    • B01F21/20Dissolving using flow mixing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00Dissolving
    • B01F21/50Elements used for separating or keeping undissolved material in the mixer
    • B01F21/502Baffles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Detergent Compositions (AREA)
  • External Artificial Organs (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
FI772135A 1976-07-12 1977-07-07 Foerfarande foer framstaellning av vid avloppsvattenrening anvaend kalkmjoelk FI64745C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7607957A SE411519B (sv) 1976-07-12 1976-07-12 Forfarande vid dosering av kalk till avloppsvatten, varvid en kalkuppslamning bildas och fors genom en lamellsedimenteringsanordning innan den setts till avloppsvattnet
SE7607957 1976-07-12

Publications (3)

Publication Number Publication Date
FI772135A7 FI772135A7 (fi) 1978-01-13
FI64745B FI64745B (fi) 1983-09-30
FI64745C true FI64745C (fi) 1984-01-10

Family

ID=20328456

Family Applications (1)

Application Number Title Priority Date Filing Date
FI772135A FI64745C (fi) 1976-07-12 1977-07-07 Foerfarande foer framstaellning av vid avloppsvattenrening anvaend kalkmjoelk

Country Status (10)

Country Link
AT (1) AT353710B (de)
CA (1) CA1100383A (de)
CH (1) CH631686A5 (de)
DE (1) DE2731271C2 (de)
ES (1) ES460625A1 (de)
FI (1) FI64745C (de)
GB (1) GB1541531A (de)
GR (1) GR63591B (de)
NO (1) NO145003C (de)
SE (1) SE411519B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1315703C (en) * 1989-09-29 1993-04-06 Robert Cyr Apparatus for the decantation treatment of liquid containing therein suspended material
ES2066727B1 (es) * 1993-06-04 1995-10-16 Compania Depuradora De Aguas R Procedimiento e instalacion de depuracion de aguas residuales en plantas de tratamiento fisicoquimico.
FR2816937B1 (fr) * 2000-11-17 2003-08-15 Omnium Traitement Valorisa Procede de production d'eau de chaux a l'aide d'un saturateur a lit de boue de chaux, mettant en oeuvre au moins un agent de floculation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1517478A1 (de) * 1961-08-02 1969-08-28 Pintsch Bamag Ag Anlage zur Erzeugung von klarem,gleichmaessig gesaettigtem Kalkwasser
FR2132954A5 (de) * 1971-04-02 1972-11-24 Degremont

Also Published As

Publication number Publication date
ATA497277A (de) 1979-04-15
CH631686A5 (en) 1982-08-31
DE2731271A1 (de) 1978-01-19
FI772135A7 (fi) 1978-01-13
CA1100383A (en) 1981-05-05
GB1541531A (en) 1979-03-07
DE2731271C2 (de) 1986-03-27
NO145003C (no) 1981-12-28
GR63591B (en) 1979-11-26
FI64745B (fi) 1983-09-30
NO772399L (no) 1978-01-13
NO145003B (no) 1981-09-14
SE7607957L (sv) 1978-01-13
ES460625A1 (es) 1978-05-16
SE411519B (sv) 1980-01-14
AT353710B (de) 1979-11-26

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: HENRIKSON, STIG ARVID