FI851203A0 - Foerfarande foer filtrering av till kalk regenererad mesa. - Google Patents

Foerfarande foer filtrering av till kalk regenererad mesa.

Info

Publication number
FI851203A0
FI851203A0 FI851203A FI851203A FI851203A0 FI 851203 A0 FI851203 A0 FI 851203A0 FI 851203 A FI851203 A FI 851203A FI 851203 A FI851203 A FI 851203A FI 851203 A0 FI851203 A0 FI 851203A0
Authority
FI
Finland
Prior art keywords
regenererad
kalk
mesa
till
foerfarande foer
Prior art date
Application number
FI851203A
Other languages
English (en)
Other versions
FI70612B (fi
FI70612C (fi
Inventor
Matti Lankinen
Holger Engdahl
Raimo Kohonen
Jukka Niskanen
Markku Kosonen
Original Assignee
Enso Gutzeit Oy
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 Enso Gutzeit Oy filed Critical Enso Gutzeit Oy
Priority to FI851203A priority Critical patent/FI70612C/fi
Publication of FI851203A0 publication Critical patent/FI851203A0/fi
Priority to US06/838,921 priority patent/US4687583A/en
Priority to CA000505037A priority patent/CA1267367A/en
Priority to SE8601368A priority patent/SE454750B/sv
Priority to JP61068256A priority patent/JPH064124B2/ja
Publication of FI70612B publication Critical patent/FI70612B/fi
Application granted granted Critical
Publication of FI70612C publication Critical patent/FI70612C/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/02—Oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/02—Lime
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Treatment Of Sludge (AREA)
  • Filtration Of Liquid (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FI851203A 1985-03-26 1985-03-26 Foerfarande foer filtrering av till kalk regenererad mesa FI70612C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI851203A FI70612C (fi) 1985-03-26 1985-03-26 Foerfarande foer filtrering av till kalk regenererad mesa
US06/838,921 US4687583A (en) 1985-03-26 1986-03-12 Procedure for filtering lime sludge meant to be regenerated to lime
CA000505037A CA1267367A (en) 1985-03-26 1986-03-25 Procedure for filtering lime sludge meant to be regenerated to lime
SE8601368A SE454750B (sv) 1985-03-26 1986-03-25 Forfarande for filtrering av till kalk regenererad mesa
JP61068256A JPH064124B2 (ja) 1985-03-26 1986-03-26 石灰スラツジを濾過して石灰に再生する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI851203 1985-03-26
FI851203A FI70612C (fi) 1985-03-26 1985-03-26 Foerfarande foer filtrering av till kalk regenererad mesa

Publications (3)

Publication Number Publication Date
FI851203A0 true FI851203A0 (fi) 1985-03-26
FI70612B FI70612B (fi) 1986-06-06
FI70612C FI70612C (fi) 1986-09-24

Family

ID=8520584

Family Applications (1)

Application Number Title Priority Date Filing Date
FI851203A FI70612C (fi) 1985-03-26 1985-03-26 Foerfarande foer filtrering av till kalk regenererad mesa

Country Status (5)

Country Link
US (1) US4687583A (fi)
JP (1) JPH064124B2 (fi)
CA (1) CA1267367A (fi)
FI (1) FI70612C (fi)
SE (1) SE454750B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI84318C (fi) * 1990-04-25 1991-11-25 Ahlstroem Oy Foerfarande och anordning foer foertjockning av mesaslam.
US5290454A (en) * 1992-11-12 1994-03-01 Pump And Paper Research Institute Of Canada Process for removal of suspended solids from pulp and paper mill effluents
FI124273B (fi) * 2012-02-06 2014-05-30 Andritz Oy Menetelmä ja laite pyörivän suotimen esipäällystekerroksen poistamiseksi

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805773A (en) * 1954-12-14 1957-09-10 Standard Oil Co Continuous rotary filtration
US3344921A (en) * 1964-12-16 1967-10-03 Bethlehem Steel Corp Method and apparatus for measurement and control of moisture
AT289145B (de) * 1968-10-16 1971-04-13 Vogelbusch Gmbh Verfahren zum Betrieb eines Drehfilters und Drehfilter zur Durchführung des Verfahrens
AU473185B2 (en) * 1973-07-25 1976-06-17 Mooch Domsjo Aktiebolag A method for producing oxidized white liquor

Also Published As

Publication number Publication date
US4687583A (en) 1987-08-18
CA1267367A (en) 1990-04-03
JPS61268312A (ja) 1986-11-27
JPH064124B2 (ja) 1994-01-19
SE8601368D0 (sv) 1986-03-25
FI70612B (fi) 1986-06-06
FI70612C (fi) 1986-09-24
SE8601368L (sv) 1986-09-27
SE454750B (sv) 1988-05-30

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: ENSO GUTZEIT OY