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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE496841A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH290905A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (2) FR1021571A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB707982A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *
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
FR1021571A (fr) 1953-02-20
US2749241A (en) 1956-06-05
FR63228E (fr) 1955-09-12
BE496841A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH290905A (de) 1953-05-31

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