GB707982A - A semi-chemical pulp and the manufacture thereof - Google Patents

A semi-chemical pulp and the manufacture thereof

Info

Publication number
GB707982A
GB707982A GB17266/50A GB1726650A GB707982A GB 707982 A GB707982 A GB 707982A GB 17266/50 A GB17266/50 A GB 17266/50A GB 1726650 A GB1726650 A GB 1726650A GB 707982 A GB707982 A GB 707982A
Authority
GB
United Kingdom
Prior art keywords
liquor
temperature
raw material
total
lignin
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB17266/50A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
I AZIENDA BREVETTI IND AB
Original Assignee
I AZIENDA BREVETTI IND AB
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 I AZIENDA BREVETTI IND AB filed Critical I AZIENDA BREVETTI IND AB
Publication of GB707982A publication Critical patent/GB707982A/en
Expired legal-status Critical Current

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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

  • Paper (AREA)
GB17266/50A 1949-07-12 1950-07-10 A semi-chemical pulp and the manufacture thereof Expired GB707982A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT290905X 1949-07-12
IT11049X 1949-10-01
IT230550X 1950-05-23
IT290550X 1950-05-29

Publications (1)

Publication Number Publication Date
GB707982A true GB707982A (en) 1954-04-28

Family

ID=27452646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17266/50A Expired GB707982A (en) 1949-07-12 1950-07-10 A semi-chemical pulp and the manufacture thereof

Country Status (5)

Country Link
US (1) US2749241A (en, 2012)
BE (1) BE496841A (en, 2012)
CH (1) CH290905A (en, 2012)
FR (2) FR1021571A (en, 2012)
GB (1) GB707982A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122362B (de) * 1956-11-08 1962-01-18 Eugene Gilbert Voiret Verfahren zur Herstellung von Papierstoffen fuer Druck- und Verpackungspapiere aus Hanf

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL90306C (en, 2012) * 1951-02-28
US2640774A (en) * 1953-01-27 1953-06-02 Pulp And Papen Res Inst Of Can Production of cellulose pulp
US2906659A (en) * 1953-07-13 1959-09-29 Abitibi Power & Paper Co High yields bisulphite pulping process
BE536814A (en, 2012) * 1954-04-08
US3046182A (en) * 1956-01-13 1962-07-24 Smith Paper Mills Ltd Howard Sulphite pulping process
US3013934A (en) * 1958-08-12 1961-12-19 West Virginia Pulp & Paper Co High yield pulp from hardwoods
US3092535A (en) * 1960-04-27 1963-06-04 Smith Paper Mills Ltd Howard Sulphite pulping process
US3088861A (en) * 1960-08-03 1963-05-07 Weyerhaeuser Co Method of manufacturing chemical pulp from lignocellulose material
US3620910A (en) * 1969-06-23 1971-11-16 Us Plywood Champ Papers Inc Process for the preparation of groundwood pulp from a dicotyledonous plant
DE2445523A1 (de) * 1974-09-24 1976-04-01 Waldhof Aschaffenburg Papier Verfahren zur herstellung von zellstoff
CN112342814B (zh) * 2020-11-19 2023-03-31 横县东糖糖业有限公司纸业分公司 以桉木树皮为原料生产高强度本色纸浆的方法
CN112431050B (zh) * 2020-11-23 2021-10-26 山东太阳纸业股份有限公司 一种利用林木废弃物规模化生产半化学浆的方法
CN112726265A (zh) * 2020-12-29 2021-04-30 江西理文造纸有限公司 一种植物纤维半化学制浆方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE279411C (en, 2012) *
US1507559A (en) * 1923-10-18 1924-09-09 G A Serlachius Aktiebolaget Method of manufacturing white sulphite cellulose from resinous woods
US1931575A (en) * 1929-10-10 1933-10-24 Joaquin Julio De La Roza Sr Method of manufacturing cellulose
US1880042A (en) * 1929-10-26 1932-09-27 Brown Co Acid process of fiber liberation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122362B (de) * 1956-11-08 1962-01-18 Eugene Gilbert Voiret Verfahren zur Herstellung von Papierstoffen fuer Druck- und Verpackungspapiere aus Hanf

Also Published As

Publication number Publication date
CH290905A (de) 1953-05-31
FR63228E (fr) 1955-09-12
BE496841A (en, 2012)
FR1021571A (fr) 1953-02-20
US2749241A (en) 1956-06-05

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