NO153309C - PROCEDURE FOR OXYGEN WHEATING OF POWER MASS. - Google Patents

PROCEDURE FOR OXYGEN WHEATING OF POWER MASS.

Info

Publication number
NO153309C
NO153309C NO791728A NO791728A NO153309C NO 153309 C NO153309 C NO 153309C NO 791728 A NO791728 A NO 791728A NO 791728 A NO791728 A NO 791728A NO 153309 C NO153309 C NO 153309C
Authority
NO
Norway
Prior art keywords
wheating
oxygen
procedure
power mass
mass
Prior art date
Application number
NO791728A
Other languages
Norwegian (no)
Other versions
NO791728L (en
NO153309B (en
Inventor
Bronislav Henri May
Original Assignee
Monsanto Europe Sa
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 Monsanto Europe Sa filed Critical Monsanto Europe Sa
Publication of NO791728L publication Critical patent/NO791728L/en
Publication of NO153309B publication Critical patent/NO153309B/en
Publication of NO153309C publication Critical patent/NO153309C/en

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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Cereal-Derived Products (AREA)
NO791728A 1978-05-26 1979-05-25 PROCEDURE FOR OXYGEN WHEATING OF POWER MASS. NO153309C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2290178 1978-05-26

Publications (3)

Publication Number Publication Date
NO791728L NO791728L (en) 1979-11-27
NO153309B NO153309B (en) 1985-11-11
NO153309C true NO153309C (en) 1986-02-19

Family

ID=10186899

Family Applications (1)

Application Number Title Priority Date Filing Date
NO791728A NO153309C (en) 1978-05-26 1979-05-25 PROCEDURE FOR OXYGEN WHEATING OF POWER MASS.

Country Status (7)

Country Link
AU (1) AU528265B2 (en)
CA (1) CA1120210A (en)
FI (1) FI71177C (en)
FR (1) FR2426767A1 (en)
NO (1) NO153309C (en)
SE (1) SE7904430L (en)
ZA (1) ZA792563B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE434284B (en) * 1980-05-07 1984-07-16 Mo Och Domsjoe Ab PROCEDURES FOR OXYGEN DELIGNIFICATION OF CHEMICAL CONSUMPED CELLULOSAMASSA TO WHICH AROMATIC DIAMINES ARE PROVIDED
SE441192B (en) * 1980-05-27 1985-09-16 Mo Och Domsjoe Ab PROCEDURE FOR DELIGNIFICATION OF CHEMICAL CELLULOSAMASSA WITH OXYGEN IN THE PRESENCE OF ONE OR MULTIPLE NEUTRALIZING AGENTS
CN102229619A (en) * 2011-04-26 2011-11-02 河南清水源科技股份有限公司 Tetraethylenepentamine heptamethylene phosphonic acid and preparation technology thereof
CN111344455B (en) 2017-09-11 2022-10-28 索理思科技公司 Method for enhancing oxygen delignification of chemical wood pulp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE785964A (en) * 1971-07-07 1973-01-08 Monsanto Co CONDENSED DERIVATIVES OF POLYALKYLENEPOLYAMINES

Also Published As

Publication number Publication date
SE7904430L (en) 1979-11-27
FI71177B (en) 1986-08-14
FR2426767A1 (en) 1979-12-21
ZA792563B (en) 1980-10-29
FI71177C (en) 1986-11-24
FI791681A7 (en) 1979-11-27
NO791728L (en) 1979-11-27
AU4723379A (en) 1979-11-29
FR2426767B1 (en) 1985-03-22
CA1120210A (en) 1982-03-23
AU528265B2 (en) 1983-04-21
NO153309B (en) 1985-11-11

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