SE7704763L - Tvastegs syrekokning - Google Patents

Tvastegs syrekokning

Info

Publication number
SE7704763L
SE7704763L SE7704763A SE7704763A SE7704763L SE 7704763 L SE7704763 L SE 7704763L SE 7704763 A SE7704763 A SE 7704763A SE 7704763 A SE7704763 A SE 7704763A SE 7704763 L SE7704763 L SE 7704763L
Authority
SE
Sweden
Prior art keywords
step acid
acid cooking
cooking
acid
Prior art date
Application number
SE7704763A
Other languages
English (en)
Swedish (sv)
Inventor
M A Hannah
Original Assignee
Crown Zellerbach Corp
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 Crown Zellerbach Corp filed Critical Crown Zellerbach Corp
Publication of SE7704763L publication Critical patent/SE7704763L/xx

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
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen
SE7704763A 1976-06-28 1977-04-26 Tvastegs syrekokning SE7704763L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/700,247 US4080248A (en) 1976-06-28 1976-06-28 Two-stage oxygen pulping

Publications (1)

Publication Number Publication Date
SE7704763L true SE7704763L (sv) 1977-12-29

Family

ID=24812763

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7704763A SE7704763L (sv) 1976-06-28 1977-04-26 Tvastegs syrekokning

Country Status (8)

Country Link
US (1) US4080248A (US20110009641A1-20110113-C00273.png)
JP (1) JPS532601A (US20110009641A1-20110113-C00273.png)
CA (1) CA1080913A (US20110009641A1-20110113-C00273.png)
DE (1) DE2716199A1 (US20110009641A1-20110113-C00273.png)
FI (1) FI771783A (US20110009641A1-20110113-C00273.png)
FR (1) FR2356764A1 (US20110009641A1-20110113-C00273.png)
NO (1) NO772226L (US20110009641A1-20110113-C00273.png)
SE (1) SE7704763L (US20110009641A1-20110113-C00273.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6689944B1 (ja) * 2018-11-30 2020-04-28 大王製紙株式会社 トイレットペーパー

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2147618A (en) * 1936-04-01 1939-02-14 West Virginia Pulp & Paper Com Method of bleaching pulp
CA632280A (en) * 1958-07-02 1961-12-05 Kimberly-Clark Corporation Manufacture of bleached cellulosic products resistant to brightness reversion
SE343092B (US20110009641A1-20110113-C00273.png) * 1970-06-22 1972-02-28 Mo Och Domsjoe Ab
US3843473A (en) * 1971-08-23 1974-10-22 Mo Och Domsjoe Ab Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
SE373395B (sv) * 1972-12-19 1975-02-03 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa med hog ljushet genom uppslutning av ved med syrgas under tryck i nervaro av en kokvetska forsatt med basiska neutralisationsmedel

Also Published As

Publication number Publication date
CA1080913A (en) 1980-07-08
FI771783A (US20110009641A1-20110113-C00273.png) 1977-12-29
US4080248A (en) 1978-03-21
FR2356764A1 (fr) 1978-01-27
JPS532601A (en) 1978-01-11
DE2716199A1 (de) 1978-01-05
NO772226L (no) 1977-12-29

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