SE415581B - Forfarande for perocidblekning av hogutbytesmassa - Google Patents

Forfarande for perocidblekning av hogutbytesmassa

Info

Publication number
SE415581B
SE415581B SE7704404A SE7704404A SE415581B SE 415581 B SE415581 B SE 415581B SE 7704404 A SE7704404 A SE 7704404A SE 7704404 A SE7704404 A SE 7704404A SE 415581 B SE415581 B SE 415581B
Authority
SE
Sweden
Prior art keywords
perocid
whiting
hog
procedure
replacement mass
Prior art date
Application number
SE7704404A
Other languages
English (en)
Swedish (sv)
Other versions
SE7704404L (sv
Inventor
J A I Lindahl
E B Tiberg
S L Heggstrom
Original Assignee
Mo Och Domsjoe Ab
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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Priority to SE7704404A priority Critical patent/SE415581B/xx
Priority to NZ186789A priority patent/NZ186789A/xx
Priority to JP4016778A priority patent/JPS53130308A/ja
Priority to DE2815922A priority patent/DE2815922C3/de
Priority to AU35124/78A priority patent/AU500058B1/en
Priority to BR7802371A priority patent/BR7802371A/pt
Priority to FI781156A priority patent/FI61055C/fi
Priority to NO781337A priority patent/NO151047C/no
Priority to US05/896,649 priority patent/US4160693A/en
Priority to CA301,281A priority patent/CA1084207A/en
Priority to FR7811414A priority patent/FR2388075A1/fr
Publication of SE7704404L publication Critical patent/SE7704404L/
Publication of SE415581B publication Critical patent/SE415581B/xx

Links

Classifications

    • 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
    • D21C9/00—After-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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
SE7704404A 1977-04-18 1977-04-18 Forfarande for perocidblekning av hogutbytesmassa SE415581B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE7704404A SE415581B (sv) 1977-04-18 1977-04-18 Forfarande for perocidblekning av hogutbytesmassa
NZ186789A NZ186789A (en) 1977-04-18 1978-03-23 Peroxide-bleaching high-yield pulp
JP4016778A JPS53130308A (en) 1977-04-18 1978-04-04 Bleaching of high yield pulp by peroxide
DE2815922A DE2815922C3 (de) 1977-04-18 1978-04-13 Verfahren zur Peroxidbleichung von Hochausbeutezellstoff in einem Turm
AU35124/78A AU500058B1 (en) 1977-04-18 1978-04-14 Bleaching lignocellulosic material in tower
BR7802371A BR7802371A (pt) 1977-04-18 1978-04-17 Processo para alvejamento,com peroxido,de polpas de alto rendimento
FI781156A FI61055C (fi) 1977-04-18 1978-04-17 Foerfarande foer peroxidblekning av hoegutbytesmassa
NO781337A NO151047C (no) 1977-04-18 1978-04-17 Fremgangsmaate ved peroxydbleking av hoeyutbyttemasse.
US05/896,649 US4160693A (en) 1977-04-18 1978-04-17 Process for the bleaching of cellulose pulp
CA301,281A CA1084207A (en) 1977-04-18 1978-04-17 Process for the bleaching of cellulose pulp
FR7811414A FR2388075A1 (fr) 1977-04-18 1978-04-18 Procede de blanchiment au peroxyde d'une pate a haut rendement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7704404A SE415581B (sv) 1977-04-18 1977-04-18 Forfarande for perocidblekning av hogutbytesmassa

Publications (2)

Publication Number Publication Date
SE7704404L SE7704404L (sv) 1978-10-19
SE415581B true SE415581B (sv) 1980-10-13

Family

ID=20331037

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7704404A SE415581B (sv) 1977-04-18 1977-04-18 Forfarande for perocidblekning av hogutbytesmassa

Country Status (11)

Country Link
US (1) US4160693A (de)
JP (1) JPS53130308A (de)
AU (1) AU500058B1 (de)
BR (1) BR7802371A (de)
CA (1) CA1084207A (de)
DE (1) DE2815922C3 (de)
FI (1) FI61055C (de)
FR (1) FR2388075A1 (de)
NO (1) NO151047C (de)
NZ (1) NZ186789A (de)
SE (1) SE415581B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422818B (sv) * 1978-03-31 1982-03-29 Modo Chemetrics Ab Forfarande for foredling av allulosamassa genom blekning eller extrahering
SE422088B (sv) * 1978-11-24 1982-02-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa av lignocellolusahaltiga material
FR2454479A1 (fr) * 1979-04-17 1980-11-14 Europeen Cellulose Procede de delignification de pate a papier chimique
AU539108B2 (en) * 1979-04-17 1984-09-13 Interox Societe Anonyme Delignification of unbleached chemical pulp
JPS564791A (en) * 1979-06-18 1981-01-19 Kogyo Gijutsuin Bleaching of mechanical pulp
US4244780A (en) * 1979-11-15 1981-01-13 Nalco Chemical Company Use of thiourea dioxide in pulp bleaching processes to preserve pulp strength and aid in brightness
JPS56127601A (en) * 1980-03-10 1981-10-06 Baiorisaac Center:Kk Treating method of substance containing cellulose
JPS5725492A (en) * 1980-07-16 1982-02-10 Mitsubishi Gas Chemical Co Hydrogen peroxide refiner bleaching of high yield pulp
SE451606B (sv) * 1982-09-14 1987-10-19 Sca Development Ab Sett vid blekning av hogutbytesmassor medelst peroxider
FI864154A7 (fi) * 1985-02-14 1986-10-14 Edward Francis Elton Menetelmä ja laitteisto ligniinin alkaliseksi poistamiseksi lignosellu loosaa käsittävistä kuitumateriaaleista.
US4806203A (en) * 1985-02-14 1989-02-21 Elton Edward F Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
US4731160A (en) * 1986-03-19 1988-03-15 Kamyr, Inc. Drainage characteristics of mechanical pulp
SE455203B (sv) * 1986-10-20 1988-06-27 Eka Nobel Ab Forfarande for styrning av peroxidblekning av massa
US4897155A (en) * 1987-05-27 1990-01-30 Kamyr, Inc. Method for producing low fines content pulp by subjecting cellulosic chips to low frequency compression-relaxation cycles
AU5280490A (en) * 1989-03-10 1990-10-09 Wenger Manufacturing, Inc. Method and apparatus for extrusion processing of wood products and fibrous materials
AT392987B (de) * 1989-06-08 1991-07-25 Waagner Biro Ag Verfahren zur einmischung von wasserstoffperoxidloesung
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
US5169555A (en) * 1990-11-09 1992-12-08 Morton International, Inc. Pulp bleaching solution
US5205907A (en) * 1991-11-25 1993-04-27 Macmillan Bloedel Limited Removal of manganese from pulp using a chelating agent and magnesium sulphate
AU1357097A (en) * 1996-02-27 1997-09-16 Tetra Laval Holdings & Finance Sa Process for sanitizing post-consumer paper fibers and product formed therefrom
US7384502B2 (en) * 2002-12-24 2008-06-10 Nippon Paper Industries Co., Ltd. Process for impregnating, refining, and bleaching wood chips having low bleachability to prepare mechanical pulps having high brightness
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642978A (en) * 1924-12-06 1927-09-20 Thorne Carl Busch Process for bleaching and like purposes
DE854613C (de) * 1951-04-08 1952-11-06 Degussa Verfahren zum Bleichen von verholztem und unverholztem Zellulosefasermaterial
DE1203592B (de) * 1962-02-23 1965-10-21 Rudolf Bott Dipl Ing Verfahren zum Bleichen von cellulosehaltigen Faserstoffen
US3186899A (en) * 1962-09-11 1965-06-01 Minnesota And Outario Paper Co Groundwood pulp
US4029543A (en) * 1971-12-14 1977-06-14 Mo Och Domsjo Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor
CA973661A (en) * 1972-09-29 1975-09-02 Pulp And Paper Research Institute Of Canada Press alkaline extraction of cellulosic pulp
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %

Also Published As

Publication number Publication date
CA1084207A (en) 1980-08-26
US4160693A (en) 1979-07-10
DE2815922A1 (de) 1978-10-19
FR2388075B1 (de) 1982-04-30
BR7802371A (pt) 1978-12-12
NO151047B (no) 1984-10-22
JPS53130308A (en) 1978-11-14
JPS5717119B2 (de) 1982-04-08
AU500058B1 (en) 1979-05-10
NZ186789A (en) 1980-11-28
NO151047C (no) 1987-01-20
FI61055B (fi) 1982-01-29
DE2815922B2 (de) 1979-11-08
SE7704404L (sv) 1978-10-19
DE2815922C3 (de) 1984-05-17
FI781156A7 (fi) 1978-10-19
FI61055C (fi) 1982-05-10
NO781337L (no) 1978-10-19
FR2388075A1 (fr) 1978-11-17

Similar Documents

Publication Publication Date Title
SE415581B (sv) Forfarande for perocidblekning av hogutbytesmassa
RO75293A (ro) Procedeu de microincapsulare
SE7808485L (sv) Forfarande for framstellning av oligoimider
TR19904A (tr) Dokumalarin agartilmasina mahsus usul
AR230270A1 (es) Procedimiento para preparar nuevos derivados de 2-alquiltio-3(-alcanoil alcoxicarbonil)-5-halogeno-6-fenoxi-bencimidazol substituidos
SE7812626L (sv) Forfarande for coŸ2-avlegsning
SE7800496L (sv) Forfarande for framstellning av titankarbid
PL205287A1 (pl) Sposob wytwarzania nowych 4-acyloaminofenylo-etanoloamin
PL207835A1 (pl) Sposob etylowania monoalkilobenzenu
SE7807240L (sv) Forfarande for framstellning av para-bensokinon
IT7849021A0 (it) Procedimento per la denitrosazione di nitrosammine
SE7807428L (sv) Forfarande for behandling av vermekensliga material
SE7801718L (sv) Kontinuerligt forfarande for framstellning av persyror
PL211409A1 (pl) Sposob wytwarzania nowych podstawionych pirolidyn
BR7800822A (pt) Process for the preparation of new esters
PL209330A1 (pl) Sposob wytwarzania koksu z materialu celulozowego
RO76088A (ro) Procedeu pentru prepararea de tiocarbamati
SE7804545L (sv) Forfarande for behandling av cereala plantor
MX147862A (es) Procedimiento mejorado para la obtencion de trihaluros de monohidrocarbil estano
PL211668A1 (pl) Sposob wytwarzania nowych 3-dwu-n-propyloacetoksybenzodiazepinonow-2
NO149774C (no) Fremgangsmaate for fremstilling av et azetidinon
RO78489A (ro) Procedeu pentru prepararea tiadiazolil-benzamidelor
PL204882A1 (pl) Sposob wytwarzania nowych triazolo-tieno-dwuazepinonow-1
IT1106371B (it) Procedimento per ricavare cefalosporina c
PL196842A1 (pl) Sposob wytwarzania nowych zasadowych barwnikow metinowych

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7704404-8

Effective date: 19931110

Format of ref document f/p: F