FR1021571A - Manufacturing process for semi-chemical fibrous pulps - Google Patents

Manufacturing process for semi-chemical fibrous pulps

Info

Publication number
FR1021571A
FR1021571A FR1021571DA FR1021571A FR 1021571 A FR1021571 A FR 1021571A FR 1021571D A FR1021571D A FR 1021571DA FR 1021571 A FR1021571 A FR 1021571A
Authority
FR
France
Prior art keywords
semi
manufacturing process
fibrous pulps
chemical fibrous
chemical
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
Other languages
French (fr)
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 AB
Original Assignee
I 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 AB filed Critical I AB
Application granted granted Critical
Publication of FR1021571A publication Critical patent/FR1021571A/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
FR1021571D 1949-07-12 1950-07-06 Manufacturing process for semi-chemical fibrous pulps Expired FR1021571A (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
FR1021571A true FR1021571A (en) 1953-02-20

Family

ID=27452646

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1021571D Expired FR1021571A (en) 1949-07-12 1950-07-06 Manufacturing process for semi-chemical fibrous pulps
FR63228D Expired FR63228E (en) 1949-07-12 1952-01-18 Semi-chemical fibrous pulp manufacturing process

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR63228D Expired FR63228E (en) 1949-07-12 1952-01-18 Semi-chemical fibrous pulp manufacturing process

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1031114B (en) * 1953-01-27 1958-05-29 Pulp Paper Res Inst Process for the production of cellulose from vegetable matter

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL90306C (en) * 1951-02-28
US2906659A (en) * 1953-07-13 1959-09-29 Abitibi Power & Paper Co High yields bisulphite pulping process
BE536814A (en) * 1954-04-08
US3046182A (en) * 1956-01-13 1962-07-24 Smith Paper Mills Ltd Howard Sulphite pulping process
NL222238A (en) * 1956-11-08
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 (en) * 1974-09-24 1976-04-01 Waldhof Aschaffenburg Papier METHOD FOR MANUFACTURING PULP
CN112342814B (en) * 2020-11-19 2023-03-31 横县东糖糖业有限公司纸业分公司 Method for producing high-strength natural-color paper pulp by taking eucalyptus bark as raw material
CN112431050B (en) * 2020-11-23 2021-10-26 山东太阳纸业股份有限公司 Method for producing semi-chemical pulp in large scale by utilizing forest waste
CN112726265A (en) * 2020-12-29 2021-04-30 江西理文造纸有限公司 Semi-chemical pulping method for plant fiber

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE279411C (en) *
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
DE1031114B (en) * 1953-01-27 1958-05-29 Pulp Paper Res Inst Process for the production of cellulose from vegetable matter

Also Published As

Publication number Publication date
CH290905A (en) 1953-05-31
BE496841A (en)
GB707982A (en) 1954-04-28
FR63228E (en) 1955-09-12
US2749241A (en) 1956-06-05

Similar Documents

Publication Publication Date Title
CH298468A (en) Machine for the manufacture of fabrics of fibers arranged at random.
FR1021571A (en) Manufacturing process for semi-chemical fibrous pulps
FR999777A (en) Process for the manufacture of collectors for electrical machines
FR1062445A (en) Semi-chemical pulp manufacturing process
FR987569A (en) Manufacturing process for new colorless, reduced-swelling, artificial cellulose yarns
FR1010501A (en) Cellulose pulp bleaching process
FR1105158A (en) Method and machine for the production of mesh fabrics
FR998905A (en) Cellulose manufacturing process
CH285454A (en) Run-resistant knitted fabric and process for its manufacture.
FR1014909A (en) Methane manufacturing process
FI25895A (en) Washing machine for cellulose or similar pulp
FR979210A (en) Liquor manufacturing process
FR1008013A (en) Simplified fabric manufacturing process
FR1025040A (en) Selective bleaching process for fibrous pulps
FR1017830A (en) Process for manufacturing regenerated cellulose filaments
FR999637A (en) Process for manufacturing phenylmethyldichlorosilane
FR1008014A (en) Machine for simplified fabric manufacturing
FR1047131A (en) New manufacturing process for run-on stockings
FR986042A (en) Footwear manufacturing process
FR986201A (en) Process for manufacturing regenerated cellulose yarns
FR1066643A (en) Stockings manufacturing process
FR987738A (en) Yarn supplier for hosiery machines
FR1010814A (en) Process for making paper pulp from plants
FR1029932A (en) Straight knitting machine
FR998868A (en) Viscose manufacturing process