SE8000250L - Reduktion av kemikalieoverforingen mellan behandlingssteg - Google Patents

Reduktion av kemikalieoverforingen mellan behandlingssteg

Info

Publication number
SE8000250L
SE8000250L SE8000250A SE8000250A SE8000250L SE 8000250 L SE8000250 L SE 8000250L SE 8000250 A SE8000250 A SE 8000250A SE 8000250 A SE8000250 A SE 8000250A SE 8000250 L SE8000250 L SE 8000250L
Authority
SE
Sweden
Prior art keywords
washer
reduction
pulp
chemical transfer
treatment steps
Prior art date
Application number
SE8000250A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Inventor
M D Meredith
Jr L L Edwards
Scotter K T Van
Original Assignee
Weyerhaeuser Co
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 Weyerhaeuser Co filed Critical Weyerhaeuser Co
Publication of SE8000250L publication Critical patent/SE8000250L/

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1073Bleaching ; Apparatus therefor with O3

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE8000250A 1979-01-11 1980-01-11 Reduktion av kemikalieoverforingen mellan behandlingssteg SE8000250L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US249279A 1979-01-11 1979-01-11

Publications (1)

Publication Number Publication Date
SE8000250L true SE8000250L (sv) 1980-07-12

Family

ID=21701039

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8000250A SE8000250L (sv) 1979-01-11 1980-01-11 Reduktion av kemikalieoverforingen mellan behandlingssteg

Country Status (8)

Country Link
JP (1) JPS5598991A (it)
AU (1) AU527540B2 (it)
CA (1) CA1123249A (it)
FI (1) FI800080A (it)
FR (1) FR2446354A1 (it)
NO (1) NO800041L (it)
NZ (1) NZ192583A (it)
SE (1) SE8000250L (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE426607B (sv) * 1982-03-29 1983-01-31 Kamyr Ab Sett att behandla en massasuspension som er i rorelse lengs en bana medelst fortrengning av massans suspensionsvetska med en eller flera ersettningsvetskor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106842A (en) * 1965-01-25 1968-03-20 Electric Reduction Co Manufacture of cellulosic pulp
ZA761255B (en) * 1975-03-11 1977-03-30 Erco Envirotech Ltd Bleachplant operation
US4104114A (en) * 1977-05-05 1978-08-01 Erco Envirotech Ltd. Bleach plant operation

Also Published As

Publication number Publication date
CA1123249A (en) 1982-05-11
FR2446354B1 (it) 1984-10-12
AU5456980A (en) 1980-07-17
NZ192583A (en) 1983-03-15
AU527540B2 (en) 1983-03-10
FR2446354A1 (fr) 1980-08-08
FI800080A (fi) 1980-07-12
JPS5598991A (en) 1980-07-28
NO800041L (no) 1980-07-14

Similar Documents

Publication Publication Date Title
EP0901808A3 (de) Verfahren und Anlage zur Behandlung der Abluft aus thermischen Trocknungsprozessen
ATE208086T1 (de) Verfahren und vorrichtung zur chemischen behandlung von substraten
ATE350131T1 (de) Verfahren zur behandlung von fluida
DE3779435D1 (de) Verfahren und regelsystem zum ueberwachen der eingangsleistung von fluessigkeitspumpe eines hydraulischen systems.
ATE68837T1 (de) Verfahren und vorrichtung fuer die behandlung von suspensionen von faserstoffen.
DE69502712D1 (de) Verfahren und vorrichtung zur behandlung von abwässern, die organische stoffe enthalten, insbesondere durch nassoxydation mit interner feststoffrückführung und kläranlage zur durchführung des verfahrens.
ATE3185T1 (de) Verfahren und apparat zum waschen und reinigen von membranfiltrationseinheiten.
DE69505271D1 (de) Verfahren zur umwandlung von komplexen chemischen strukturen unter reduzierenden bedingungen in einem superkritischen fluid
GB1366422A (en) Method and apparatus for cleaning waste liquid containing diluted dye
SE8000250L (sv) Reduktion av kemikalieoverforingen mellan behandlingssteg
SE9704696D0 (sv) Förfarande och anordning för behandling av massa i en indirekt värmeväxlare i samband med blekning
GB2018610A (en) Apparatus for the treatment of liquids and method for cleaning a layer of fibres in such an apparatus
DE69700957D1 (de) Verfahren zur durchführung einer behandlung in der anwesenheit einer zentrifugalen kraft sowie vorrichtung dafür
ATE198560T1 (de) Verfahren und vorrichtung zum behandeln von substraten
FR2041483A5 (en) Treatment of used water
JPS5715889A (en) Purification method for sewage
DE68902058D1 (de) Verfahren zur extrakorporalen behandlung von ascites-fluessigkeit.
JPS5469249A (en) Method of treating waste water with active carbon
JPS5230789A (en) Method for washing catalyst and its equipment
JPS5393170A (en) Deodorizing method for exhaust gas or waste liquid
ATE41109T1 (de) Vorrichtung und verfahren zum behandeln einer fluessigkeit, besonders zum entmineralisieren von wasser, das ein bett von gekoerntem, aktivem material durchstroemt, das eine kompakte angehobene schicht bildet und das periodisch im gegenstrom regeneriert wird.
KR850003358A (ko) 폐산액(廢酸液)의 처리방법
JPS558818A (en) Washing of precipitated sand in waste water treatment
JPS52156176A (en) Surface washing method of liquid treating membrane
JPS5337576A (en) Treating method for waste fluid from washer by reverse osmosis

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8000250-4

Format of ref document f/p: F