SE439172B - Forfarande for framstellning av kemiska pappersmassor - Google Patents

Forfarande for framstellning av kemiska pappersmassor

Info

Publication number
SE439172B
SE439172B SE7808202A SE7808202A SE439172B SE 439172 B SE439172 B SE 439172B SE 7808202 A SE7808202 A SE 7808202A SE 7808202 A SE7808202 A SE 7808202A SE 439172 B SE439172 B SE 439172B
Authority
SE
Sweden
Prior art keywords
weight
peroxide
sodium hydroxide
boiling
process according
Prior art date
Application number
SE7808202A
Other languages
English (en)
Swedish (sv)
Other versions
SE7808202L (sv
Inventor
D Lachenal
Choudens C De
P Monzie
Original Assignee
Ugine Kuhlmann
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
Priority claimed from FR7724131A external-priority patent/FR2398839A1/fr
Priority claimed from FR7820715A external-priority patent/FR2430475A2/fr
Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann
Publication of SE7808202L publication Critical patent/SE7808202L/xx
Publication of SE439172B publication Critical patent/SE439172B/sv

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes

Landscapes

  • Paper (AREA)
  • Materials For Medical Uses (AREA)
SE7808202A 1977-07-29 1978-07-27 Forfarande for framstellning av kemiska pappersmassor SE439172B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7724131A FR2398839A1 (fr) 1977-07-29 1977-07-29 Procede de fabrication de pates papetieres chimiques
FR7820715A FR2430475A2 (fr) 1978-07-05 1978-07-05 Procede de fabrication de pates papetieres chimiques

Publications (2)

Publication Number Publication Date
SE7808202L SE7808202L (sv) 1979-01-30
SE439172B true SE439172B (sv) 1985-06-03

Family

ID=26220161

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7808202A SE439172B (sv) 1977-07-29 1978-07-27 Forfarande for framstellning av kemiska pappersmassor

Country Status (10)

Country Link
AT (1) AT371860B (it)
BE (1) BE869153A (it)
CA (1) CA1128260A (it)
CH (1) CH634362A5 (it)
DE (1) DE2833115C3 (it)
ES (1) ES472184A1 (it)
FI (1) FI70440C (it)
IT (1) IT1160561B (it)
NO (1) NO151975C (it)
SE (1) SE439172B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493365A1 (fr) * 1980-11-06 1982-05-07 Tech Ind Papiers Carton Centre Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue
IT202000019033A1 (it) * 2020-08-03 2022-02-03 Davide Bertinazzo Metodo per ottenere un precursore di un materiale ibrido legno-inorganico e metodo per ottenere un materiale ibrido legno-inorganico

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA895756A (en) * 1970-04-03 1972-03-21 Macmillan Bloedel Limited Two-stage soda-oxygen pulping
DE2327900C3 (de) * 1973-06-01 1985-02-07 Degussa Ag, 6000 Frankfurt Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process

Also Published As

Publication number Publication date
FI782342A (fi) 1979-01-30
FI70440B (fi) 1986-03-27
CH634362A5 (en) 1983-01-31
SE7808202L (sv) 1979-01-30
DE2833115C3 (de) 1986-04-17
NO151975C (no) 1985-07-10
IT7868812A0 (it) 1978-07-28
NO782573L (no) 1979-01-30
CA1128260A (fr) 1982-07-27
BE869153A (fr) 1979-01-22
AT371860B (de) 1983-08-10
DE2833115A1 (de) 1979-02-08
NO151975B (no) 1985-04-01
ATA546578A (de) 1982-12-15
FI70440C (fi) 1986-09-19
DE2833115B2 (de) 1980-07-03
IT1160561B (it) 1987-03-11
ES472184A1 (es) 1979-02-16

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