CH442957A - Process for the production of pulp from lignocellulose-containing raw material - Google Patents

Process for the production of pulp from lignocellulose-containing raw material

Info

Publication number: CH442957A
Authority: CH; Switzerland
Prior art keywords: lignocellulose; pulp; production; raw material; containing raw
Prior art date: 1965-02-11

Application number

CH188666A

Other languages

German (de)

Inventor

Arthur Asplund Arne Johan

Bertil Reinhall Rolf

Original Assignee

Defibrator 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.)

1965-02-11

Filing date

1966-02-10

Publication date

1967-08-31

1966-02-10 Application filed by Defibrator Ab filed Critical Defibrator Ab

1967-08-31 Publication of CH442957A publication Critical patent/CH442957A/en

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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/10—Physical methods for facilitating impregnation

CH188666A 1965-02-11 1966-02-10 Process for the production of pulp from lignocellulose-containing raw material CH442957A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE180065A SE308443B (en)	1965-02-11	1965-02-11

Publications (1)

Publication Number	Publication Date
CH442957A true CH442957A (en)	1967-08-31

Family

ID=20258861

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH188666A CH442957A (en)	1965-02-11	1966-02-10	Process for the production of pulp from lignocellulose-containing raw material

Country Status (10)

Country	Link
BE (1)	BE676193A (en)
CH (1)	CH442957A (en)
CS (1)	CS154213B2 (en)
DE (1)	DE1288418B (en)
FI (1)	FI44189C (en)
FR (1)	FR1467414A (en)
GB (1)	GB1133662A (en)
NL (1)	NL6601745A (en)
NO (1)	NO119204B (en)
SE (1)	SE308443B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2632782C2 (en) *	1976-07-21	1982-12-30	Hans Dipl.-Ing. 7758 Meersburg Knauth	Method and device for the continuous impregnation of fibrous materials
US4632729A (en) *	1984-05-01	1986-12-30	Laakso Oliver A	Chip presteaming and air washing
US9856601B2 (en)	2012-09-19	2018-01-02	Andritz Inc.	Method and apparatus for adding steam for a steam explosion pretreatment process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE304214C (en) *	1916-10-19
US2885317A (en) *	1954-03-30	1959-05-05	Stora Kopparbergs Bergslags Ab	Method in manufacturing chemical or semi-chemical pulp from heavily resinous wood

1965
- 1965-02-11 SE SE180065A patent/SE308443B/xx unknown
1966
- 1966-02-02 NO NO16154066A patent/NO119204B/no unknown
- 1966-02-03 GB GB477366A patent/GB1133662A/en not_active Expired
- 1966-02-03 DE DE1966D0049281 patent/DE1288418B/en active Pending
- 1966-02-04 FR FR48436A patent/FR1467414A/en not_active Expired
- 1966-02-08 BE BE676193D patent/BE676193A/xx unknown
- 1966-02-09 FI FI31566A patent/FI44189C/en active
- 1966-02-10 CH CH188666A patent/CH442957A/en unknown
- 1966-02-10 CS CS85766A patent/CS154213B2/cs unknown
- 1966-02-11 NL NL6601745A patent/NL6601745A/xx unknown

Also Published As

Publication number	Publication date
FR1467414A (en)	1967-01-27
SE308443B (en)	1969-02-10
FI44189B (en)	1971-06-01
GB1133662A (en)	1968-11-13
NL6601745A (en)	1966-08-12
FI44189C (en)	1971-09-10
DE1288418B (en)	1969-01-30
CS154213B2 (en)	1974-03-29
BE676193A (en)	1966-08-08
NO119204B (en)	1970-04-06

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