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IT7868812A0 - PROCEDURE FOR THE MANUFACTURE OF CHEMICAL PAPER PULP - Google Patents

PROCEDURE FOR THE MANUFACTURE OF CHEMICAL PAPER PULP

Info

Publication number
IT7868812A0
IT7868812A0 IT7868812A IT6881278A IT7868812A0 IT 7868812 A0 IT7868812 A0 IT 7868812A0 IT 7868812 A IT7868812 A IT 7868812A IT 6881278 A IT6881278 A IT 6881278A IT 7868812 A0 IT7868812 A0 IT 7868812A0
Authority
IT
Italy
Prior art keywords
procedure
manufacture
paper pulp
chemical paper
chemical
Prior art date
Application number
IT7868812A
Other languages
Italian (it)
Other versions
IT1160561B (en
Original Assignee
Ugime Kuhlmann Prod Chim
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/en
Priority claimed from FR7820715A external-priority patent/FR2430475A2/en
Application filed by Ugime Kuhlmann Prod Chim filed Critical Ugime Kuhlmann Prod Chim
Publication of IT7868812A0 publication Critical patent/IT7868812A0/en
Application granted granted Critical
Publication of IT1160561B publication Critical patent/IT1160561B/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
IT68812/78A 1977-07-29 1978-07-28 PROCEDURE FOR THE MANUFACTURE OF CHEMICAL PASTE PER PAPER IT1160561B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7724131A FR2398839A1 (en) 1977-07-29 1977-07-29 Kraft type paper pulp prepn. without sulphur pollutants - by treating shavings with sodium hydroxide followed by stabilised peroxide
FR7820715A FR2430475A2 (en) 1978-07-05 1978-07-05 Paper pulp mfr. by digestion with caustic soda and peroxide - avoiding pollution and giving results comparable with Kraft process

Publications (2)

Publication Number Publication Date
IT7868812A0 true IT7868812A0 (en) 1978-07-28
IT1160561B IT1160561B (en) 1987-03-11

Family

ID=26220161

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68812/78A IT1160561B (en) 1977-07-29 1978-07-28 PROCEDURE FOR THE MANUFACTURE OF CHEMICAL PASTE PER PAPER

Country Status (10)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493365A1 (en) * 1980-11-06 1982-05-07 Tech Ind Papiers Carton Centre PROCESS FOR THE MANUFACTURE OF CHEMICAL PAPER PULP AND PASTE THUS OBTAINED
IT202000019033A1 (en) * 2020-08-03 2022-02-03 Davide Bertinazzo METHOD FOR OBTAINING A PRECURSOR OF A WOOD-INORGA HYBRID MATERIAL AND METHOD FOR OBTAINING A WOOD-INORGA HYBRID MATERIAL

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 (en) * 1973-06-01 1985-02-07 Degussa Ag, 6000 Frankfurt Bleaching of cellulose with considerably reduced use of chlorine
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process

Also Published As

Publication number Publication date
NO151975B (en) 1985-04-01
NO782573L (en) 1979-01-30
BE869153A (en) 1979-01-22
IT1160561B (en) 1987-03-11
AT371860B (en) 1983-08-10
NO151975C (en) 1985-07-10
SE7808202L (en) 1979-01-30
CH634362A5 (en) 1983-01-31
FI70440B (en) 1986-03-27
ES472184A1 (en) 1979-02-16
DE2833115B2 (en) 1980-07-03
FI782342A7 (en) 1979-01-30
DE2833115A1 (en) 1979-02-08
DE2833115C3 (en) 1986-04-17
ATA546578A (en) 1982-12-15
CA1128260A (en) 1982-07-27
SE439172B (en) 1985-06-03
FI70440C (en) 1986-09-19

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