SE507847C2 - Förfarande och anordning för behandling av bakvatten - Google Patents

Förfarande och anordning för behandling av bakvatten

Info

Publication number
SE507847C2
SE507847C2 SE9203745A SE9203745A SE507847C2 SE 507847 C2 SE507847 C2 SE 507847C2 SE 9203745 A SE9203745 A SE 9203745A SE 9203745 A SE9203745 A SE 9203745A SE 507847 C2 SE507847 C2 SE 507847C2
Authority
SE
Sweden
Prior art keywords
auxiliary mass
backwater
auxiliary
fiber
fed
Prior art date
Application number
SE9203745A
Other languages
English (en)
Swedish (sv)
Other versions
SE9203745L (sv
SE9203745D0 (sv
Inventor
Pentti Vikioe
Original Assignee
Ahlstrom Machinery 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 Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Publication of SE9203745D0 publication Critical patent/SE9203745D0/xx
Publication of SE9203745L publication Critical patent/SE9203745L/xx
Publication of SE507847C2 publication Critical patent/SE507847C2/sv

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
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • 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)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
SE9203745A 1991-12-16 1992-12-11 Förfarande och anordning för behandling av bakvatten SE507847C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI915908A FI88732C (fi) 1991-12-16 1991-12-16 Foerfarande och anordning foer behandling av bakvatten

Publications (3)

Publication Number Publication Date
SE9203745D0 SE9203745D0 (sv) 1992-12-11
SE9203745L SE9203745L (sv) 1993-06-17
SE507847C2 true SE507847C2 (sv) 1998-07-20

Family

ID=8533671

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9203745A SE507847C2 (sv) 1991-12-16 1992-12-11 Förfarande och anordning för behandling av bakvatten

Country Status (5)

Country Link
US (2) US5368693A (cs)
CA (1) CA2085306C (cs)
DE (1) DE4242338C2 (cs)
FI (1) FI88732C (cs)
SE (1) SE507847C2 (cs)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504789C2 (sv) * 1994-02-21 1997-04-28 Kemira Kemi Ab Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien
US6071380A (en) * 1994-08-31 2000-06-06 Hoffman Environmental Systems, Inc. Method of papermaking having zero liquid discharge
DE19520494C2 (de) * 1995-02-14 1998-07-16 Julia Innotec Gmbh Verfahren zum Wiedergewinnen von Fasern und Fraktionieranlage für eine Papierfabrik
SE9501769D0 (sv) * 1995-05-12 1995-05-12 Eka Nobel Ab A process for the production of paper
US6228215B1 (en) * 1998-04-06 2001-05-08 Hoffman Enviornmental Systems, Inc. Method for countercurrent treatment of slurries
FI106386B (fi) 1999-05-03 2001-01-31 Valmet Corp Menetelmä ja laitteisto kuitujen talteenottamiseksi paperitehtaan kiertovedestä
US7011729B2 (en) * 2003-11-12 2006-03-14 Corn Products International, Inc. Starch and fiber mixture for papermaking and methods of making paper with the mixture
US7080576B2 (en) * 2004-05-07 2006-07-25 Wagic, Inc. Multi-accessory hammer with rapid release change mechanism
DE102011005650A1 (de) * 2011-03-16 2012-09-20 Voith Patent Gmbh Verfahren zur Regelung der Filterleistung einer Filtervorrichtung
DE102012012302A1 (de) * 2012-06-20 2013-12-24 Bvg Bauer Verfahrenstechnik Gmbh Bypass Filtration
JP6691865B2 (ja) * 2013-12-19 2020-05-13 スリーエム イノベイティブ プロパティズ カンパニー 汚染防止装置において又は火炎止めで使用するのに好適な不織布繊維性材料を製造するための再利用廃水の使用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1670874A (en) * 1925-11-24 1928-05-22 Bankus Albert Means for reclaiming suspended solids from white water of paper manufacture
DE860745C (de) * 1944-02-27 1952-12-22 Voith Gmbh J M Vorrichtung zum Reinigen von Abwaessern der Papier-, Holzschliff-und Zellstoffabriken
US3833468A (en) * 1971-08-27 1974-09-03 Dorr Oliver Inc System for recovery of fiber from paper mill effluent, including a sieve bend screen
DE3049769A1 (de) * 1979-08-13 1982-02-25 B Dahlloev Method and filter for separating filterable particles from a liquid suspension
CH649112A5 (de) * 1980-10-03 1985-04-30 Escher Wyss Gmbh Verfahren zum fraktionieren von aus altpapier gewonnenem faserstoff sowie anlage zur ausfuehrung des verfahrens.
CH653395A5 (de) * 1981-09-25 1985-12-31 Escher Wyss Gmbh Verfahren zum betrieb einer gesamtanlage zur herstellung von papier sowie gesamtanlage zur ausfuehrung des verfahrens.
DE3336874A1 (de) * 1983-10-11 1985-04-25 Hermann Finckh Maschinenfabrik GmbH & Co, 7410 Reutlingen Sortiersieb
SE441282B (sv) * 1984-02-22 1985-09-23 Mo Och Domsjoe Ab Forfarande for framstellning av forbettrad hogutbytesmassa
US4619761A (en) * 1984-12-20 1986-10-28 Koppers Company, Inc. Method for screening or fractionation

Also Published As

Publication number Publication date
SE9203745L (sv) 1993-06-17
US5449437A (en) 1995-09-12
CA2085306A1 (en) 1993-06-17
SE9203745D0 (sv) 1992-12-11
US5368693A (en) 1994-11-29
DE4242338C2 (de) 1997-01-16
DE4242338A1 (cs) 1993-06-17
CA2085306C (en) 1996-11-12
FI88732B (fi) 1993-03-15
FI915908A0 (fi) 1991-12-16
FI88732C (fi) 1993-06-28

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Legal Events

Date Code Title Description
NUG Patent has lapsed