YU301275A - Process for complete bleaching of cellulose in several phases with a low chlorine consumption - Google Patents

Process for complete bleaching of cellulose in several phases with a low chlorine consumption

Info

Publication number
YU301275A
YU301275A YU03012/75A YU301275A YU301275A YU 301275 A YU301275 A YU 301275A YU 03012/75 A YU03012/75 A YU 03012/75A YU 301275 A YU301275 A YU 301275A YU 301275 A YU301275 A YU 301275A
Authority
YU
Yugoslavia
Prior art keywords
cellulose
several phases
low chlorine
chlorine consumption
complete bleaching
Prior art date
Application number
YU03012/75A
Other versions
YU37370B (en
Inventor
Krueger Horst
Horst Krueger
Traser Warner
Warner Traser
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of YU301275A publication Critical patent/YU301275A/en
Publication of YU37370B publication Critical patent/YU37370B/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
YU3012/75A 1975-08-30 1975-11-28 Process for complete bleaching of cellulose in several steps with low chlorine consumption YU37370B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2538673A DE2538673C2 (en) 1975-08-30 1975-08-30 Bleaching of cellulose with considerably reduced use of chlorine

Publications (2)

Publication Number Publication Date
YU301275A true YU301275A (en) 1983-04-27
YU37370B YU37370B (en) 1984-08-31

Family

ID=5955230

Family Applications (1)

Application Number Title Priority Date Filing Date
YU3012/75A YU37370B (en) 1975-08-30 1975-11-28 Process for complete bleaching of cellulose in several steps with low chlorine consumption

Country Status (17)

Country Link
AR (1) AR221678A1 (en)
AT (1) AT340765B (en)
BE (1) BE836462R (en)
BR (1) BR7603006A (en)
CA (1) CA1080406A (en)
CH (1) CH620002A5 (en)
DE (1) DE2538673C2 (en)
ES (1) ES443318A1 (en)
FI (1) FI62869C (en)
FR (1) FR2322235A1 (en)
GB (1) GB1544216A (en)
IT (1) IT1055792B (en)
NL (1) NL7513942A (en)
NO (1) NO145344B (en)
SE (1) SE7602842L (en)
YU (1) YU37370B (en)
ZA (1) ZA757822B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416297A1 (en) * 1978-01-31 1979-08-31 Europeen Cellulose Three-stage paper pulp bleaching - giving high whiteness level, by treating with chlorine, hypochlorite or peroxide oxidant and chlorine di:oxide
FR2432574A1 (en) * 1978-08-01 1980-02-29 Europeen Cellulose PROCESS FOR BLEACHING PAPER PULP
FR2572431B1 (en) * 1984-10-25 1987-12-04 Centre Tech Ind Papier PROCESS FOR THE PREPARATION OF CHEMICAL PAPER PULP FOR BLEACHING.
ES2038097T5 (en) * 1989-06-06 2001-05-01 Eka Chemicals Ab PROCEDURE FOR WHITENING PAPER PASTES CONTAINING LIGNOCELLULOSE.
SE466061B (en) * 1990-04-23 1991-12-09 Eka Nobel Ab Bleaching of chemical pulp by treatment with first a complexing agent and then a peroxide containing substance
SE9001481L (en) * 1990-04-23 1991-10-24 Eka Nobel Ab REDUCTION OF HALOGEN ORGANIC SUBSTANCES IN BLEACHING WASTE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753531C (en) * 1938-11-09 1953-05-18 Degussa Process for bleaching pulp
DE2327900C3 (en) * 1973-06-01 1985-02-07 Degussa Ag, 6000 Frankfurt Bleaching of cellulose with considerably reduced use of chlorine

Also Published As

Publication number Publication date
AT340765B (en) 1978-01-10
FI62869C (en) 1983-03-10
SE7602842L (en) 1977-03-01
FI62869B (en) 1982-11-30
FR2322235A1 (en) 1977-03-25
ES443318A1 (en) 1977-05-01
FR2322235B1 (en) 1979-04-06
CA1080406A (en) 1980-07-01
CH620002A5 (en) 1980-10-31
ZA757822B (en) 1976-11-24
YU37370B (en) 1984-08-31
BR7603006A (en) 1977-05-31
NL7513942A (en) 1977-03-02
NO145344B (en) 1981-11-23
IT1055792B (en) 1982-01-11
FI753314A (en) 1977-03-01
BE836462R (en) 1976-06-09
DE2538673C2 (en) 1986-01-16
DE2538673A1 (en) 1977-03-03
GB1544216A (en) 1979-04-19
AR221678A1 (en) 1981-03-13
ATA861075A (en) 1977-04-15
NO754077L (en) 1977-03-01

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