BE836462R - PROCESS FOR DECOMPOSITION AND BLEACHING OF CELLULOSE ALLOWING TO REDUCE THE CHLORINE IMPLEMENTED AND PRODUCTS OBTAINED BY THIS PROCESS - Google Patents

PROCESS FOR DECOMPOSITION AND BLEACHING OF CELLULOSE ALLOWING TO REDUCE THE CHLORINE IMPLEMENTED AND PRODUCTS OBTAINED BY THIS PROCESS

Info

Publication number
BE836462R
BE836462R BE6045289A BE6045289A BE836462R BE 836462 R BE836462 R BE 836462R BE 6045289 A BE6045289 A BE 6045289A BE 6045289 A BE6045289 A BE 6045289A BE 836462 R BE836462 R BE 836462R
Authority
BE
Belgium
Prior art keywords
bleaching
chlorine
decomposition
implemented
reduce
Prior art date
Application number
BE6045289A
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of BE836462R publication Critical patent/BE836462R/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Cosmetics (AREA)
BE6045289A 1975-08-30 1975-12-09 PROCESS FOR DECOMPOSITION AND BLEACHING OF CELLULOSE ALLOWING TO REDUCE THE CHLORINE IMPLEMENTED AND PRODUCTS OBTAINED BY THIS PROCESS BE836462R (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 (1)

Publication Number Publication Date
BE836462R true BE836462R (en) 1976-06-09

Family

ID=5955230

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6045289A BE836462R (en) 1975-08-30 1975-12-09 PROCESS FOR DECOMPOSITION AND BLEACHING OF CELLULOSE ALLOWING TO REDUCE THE CHLORINE IMPLEMENTED AND PRODUCTS OBTAINED BY THIS PROCESS

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.
DE402335T1 (en) * 1989-06-06 1992-04-09 Eka Nobel Ab, Surte METHOD FOR BLEACHING LIGNOCELLULOSE-CONTAINING CELLS.
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
YU37370B (en) 1984-08-31
NO145344B (en) 1981-11-23
CH620002A5 (en) 1980-10-31
IT1055792B (en) 1982-01-11
ATA861075A (en) 1977-04-15
FR2322235A1 (en) 1977-03-25
AR221678A1 (en) 1981-03-13
CA1080406A (en) 1980-07-01
ZA757822B (en) 1976-11-24
SE7602842L (en) 1977-03-01
YU301275A (en) 1983-04-27
AT340765B (en) 1978-01-10
BR7603006A (en) 1977-05-31
FI753314A (en) 1977-03-01
NL7513942A (en) 1977-03-02
NO754077L (en) 1977-03-01
FI62869B (en) 1982-11-30
GB1544216A (en) 1979-04-19
FI62869C (en) 1983-03-10
FR2322235B1 (en) 1979-04-06
DE2538673C2 (en) 1986-01-16
DE2538673A1 (en) 1977-03-03
ES443318A1 (en) 1977-05-01

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DEUTSCHE GOLD- UND SILBERSCHEIDEANSTALT VORMALS R

Effective date: 19871231