ATE2019T1 - Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff. - Google Patents

Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff.

Info

Publication number
ATE2019T1
ATE2019T1 AT79104899T AT79104899T ATE2019T1 AT E2019 T1 ATE2019 T1 AT E2019T1 AT 79104899 T AT79104899 T AT 79104899T AT 79104899 T AT79104899 T AT 79104899T AT E2019 T1 ATE2019 T1 AT E2019T1
Authority
AT
Austria
Prior art keywords
pulp
deodorization
sulfate pulp
color improvement
peroxide
Prior art date
Application number
AT79104899T
Other languages
English (en)
Inventor
Horst Dr. Krueger
Wilhelm Dr. Berndt
Jakob Wink
Original Assignee
Degussa Aktiengesellschaft
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6063083&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE2019(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Degussa Aktiengesellschaft filed Critical Degussa Aktiengesellschaft
Application granted granted Critical
Publication of ATE2019T1 publication Critical patent/ATE2019T1/de

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
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Saccharide Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Artificial Filaments (AREA)
AT79104899T 1979-02-16 1979-12-04 Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff. ATE2019T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2905936A DE2905936B1 (de) 1979-02-16 1979-02-16 Verfahren zum Aufhellen und Desodorieren von Sulfatzellstoff
EP79104899A EP0014753B1 (de) 1979-02-16 1979-12-04 Verfahren zur Farbverbesserung und Desodorierung von Sulfatzellstoff

Publications (1)

Publication Number Publication Date
ATE2019T1 true ATE2019T1 (de) 1982-12-15

Family

ID=6063083

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79104899T ATE2019T1 (de) 1979-02-16 1979-12-04 Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff.

Country Status (6)

Country Link
EP (1) EP0014753B1 (de)
AT (1) ATE2019T1 (de)
CA (1) CA1129157A (de)
DE (2) DE2905936B1 (de)
FI (1) FI68684C (de)
NO (1) NO793959L (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073872A1 (de) * 1981-09-03 1983-03-16 Billerud Uddeholm AB Chemisches Verfahren in der Papierherstellung
SE442414B (sv) * 1981-09-22 1985-12-23 Holmens Bruk Ab Sett att minska eller inhibera morkfergningen av massa eller papper i bakvattensystem
US4559103A (en) * 1982-08-05 1985-12-17 Honshu Seishi Kabushiki Kaisha Packaging paper and packaging material for packaging metallic material and method of producing the same
RU2504375C1 (ru) * 2012-05-23 2014-01-20 Галина Викторовна Сукоян Фармацевтический состав для лечения заболеваний, связанных с эндотелиальной дисфункцией

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1454339A (en) * 1921-11-28 1923-05-08 Brown Co Method of treating cellulose pulp to remove odors therefrom
US1632802A (en) * 1926-08-10 1927-06-21 Brown Co Process of and apparatus for treating fiber
US1774403A (en) * 1926-09-16 1930-08-26 Brown Co Process of producing fiber of high alpha cellulose content
US2030384A (en) * 1934-10-18 1936-02-11 Nekoosa Edwards Paper Co Method of bleaching pulp
BE450336A (de) * 1942-12-09 1943-05-31
FR2192981B1 (de) * 1972-07-21 1988-11-10 Air Liquide Fr
IT1071347B (it) * 1976-03-12 1985-04-02 Interox Sa Processo per la disinfezione di carta vecchia

Also Published As

Publication number Publication date
EP0014753A1 (de) 1980-09-03
DE2905936B1 (de) 1980-04-30
CA1129157A (en) 1982-08-10
FI793720A (fi) 1980-08-17
FI68684C (fi) 1985-10-10
FI68684B (fi) 1985-06-28
EP0014753B1 (de) 1982-12-15
DE2964319D1 (en) 1983-01-20
NO793959L (no) 1980-08-19

Similar Documents

Publication Publication Date Title
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
ATE132926T1 (de) Verfahren zur delignifizierung von chemischen zellstoffen
ATE2019T1 (de) Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff.
ATE21133T1 (de) Verfahren zur herstellung von halbgebleichten zellstoffen.
FI843242A (fi) Foerfarande foer peroxidblekning av cellulosahaltigt material.
SE8604459D0 (sv) Styrning av peroxidblekning av olika massor
ATE69037T1 (de) Verfahren zur behandlung von zellulosefasern sowie faserzementprodukte und mischungen zu ihrer herstellung.
SE8003216L (sv) Flerstegs serieblekningsforfarande for alkaliska kokta massor
JPS5526267A (en) Method of degumming raw silk and fabric therefrom
SE9203122L (sv) Peroxidblekning av sulfatmassa med tillsats av magnesium före blekningen
FI843975A0 (fi) Hypokloritbehandling av kemiska pappersmassor.
ATE71108T1 (de) Verfahren zur herstellung von 21-hydroxy-20-keto- delta-16-steroiden und in diesem verfahren erhaltene zwischenprodukte.
ES2101830T3 (es) Proceso de reduccion a pasta en la fabricacion de papel.
DE59402342D1 (de) Verbessertes Verfahren zur Bleiche von Holzstoffen
DE3019519B1 (de) Verfahren zur Desodorierung von Sulfatzellstoff
SE8204431L (sv) Forfarande for halvkemisk massatillverkning med ateranvendning av avluten
DE69915227D1 (de) Verfahren und Vorrichtung zur Behandlung von Ausschuss
GB997359A (en) Chemical process for pulping wood
ATE8065T1 (de) Verfahren zur behandlung von schablonegazen mit wenigstens einem weisstoener.
SE7809415L (sv) Sett att behandla fororenade vattenhaltiga medier
JPS54131012A (en) White liquor treatment of paper making process
ES468365A1 (es) Procedimiento para la obtencion de una forma cristalina blanca de un derivado bis-triacinalamino-estilbeno
JPS52111270A (en) Treating method and system for malodorous substance from kraft pulp fa ctory
SE8302364D0 (sv) Sett vid framstellning av med bl a oxygen blekt pappersmassa
SE8103399L (sv) Sett att forbettra avhartsningsformagan hos tvahaltiga lovvedsfororeningar

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
RVE Rejection due to an opposition filed with the epo