FI811096L - Saett vid tillverkning av mekanisk cellulosamassa - Google Patents

Saett vid tillverkning av mekanisk cellulosamassa

Info

Publication number: FI811096L
Authority: FI; Finland
Prior art keywords: cellulosamassa; mekanisk; tillverkning; saett; saett vid
Prior art date: 1980-04-10

Application number

FI811096A

Other languages

English (en)

Other versions

FI73016C (fi

FI73016B (fi

Inventor

Per-Erik Andersson

Goeran Erik Annergren

Tjell-Aoke Haegglund

Hans-Erik Hoeglund

Original Assignee

Sca Development 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.)

1980-04-10

Filing date

1981-04-09

Publication date

1981-10-11

1981-04-09 Application filed by Sca Development Ab filed Critical Sca Development Ab

1981-10-11 Publication of FI811096L publication Critical patent/FI811096L/fi

1987-04-30 Application granted granted Critical

1987-04-30 Publication of FI73016B publication Critical patent/FI73016B/fi

1987-08-10 Publication of FI73016C publication Critical patent/FI73016C/fi

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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Chemical Or Physical Treatment Of Fibers (AREA)
Compositions Of Macromolecular Compounds (AREA)

FI811096A 1980-04-10 1981-04-09 Saett vid tillverkning av mekanisk cellulosamassa. FI73016C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE8002728		1980-04-10
SE8002728A SE445051B (sv)	1980-04-10	1980-04-10	Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa

Publications (3)

Publication Number	Publication Date
FI811096L true FI811096L (fi)	1981-10-11
FI73016B FI73016B (fi)	1987-04-30
FI73016C FI73016C (fi)	1987-08-10

Family

ID=20340719

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI811096A FI73016C (fi)	1980-04-10	1981-04-09	Saett vid tillverkning av mekanisk cellulosamassa.

Country Status (10)

Country	Link
JP (1)	JPS56159384A (fi)
AU (2)	AU6901281A (fi)
CA (1)	CA1174013A (fi)
DE (1)	DE3114427A1 (fi)
FI (1)	FI73016C (fi)
FR (1)	FR2480321A1 (fi)
IT (1)	IT1209859B (fi)
NL (1)	NL187865C (fi)
NO (1)	NO159107C (fi)
SE (1)	SE445051B (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2567930B1 (fr) *	1984-07-17	1986-08-29	Centre Tech Ind Papier	Procede et installation pour le recyclage de vieux papiers imprimes
SE8501246L (sv) *	1985-03-13	1986-09-14	Eka Ab	Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
CA1294396C (en) *	1986-05-30	1992-01-21	Richard Berry	Process for decreasing the charge of chemical required in a bleaching extraction stage
FI115978B (fi) *	2000-11-16	2005-08-31	Ciba Sc Holding Ag	Menetelmä ei-kuitupitoisten ainesten ottamiseksi talteen puumateriaalista
CN105019286B (zh) *	2015-07-29	2017-01-25	华南理工大学	棉短绒高浓过氧化氢漂白制备精制棉的装置及方法
CN105064110B (zh) *	2015-07-29	2017-04-12	华南理工大学	一种棉短绒制浆装置及其制浆方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE420329C (sv) *	1978-02-16	1984-10-15	Mo Och Domsjoe Ab	Forfarande for framstellning av slipmassa vid overtryck
CA1151363A (en) *	1979-04-17	1983-08-09	Henri Lemoyne	Process for the delignification of unbleached chemical pulp
SE443383C (sv) *	1981-01-14	1987-11-16	Mo Och Domsjoe Ab	Forfarande for tvettning av cellulosamassa
FR2522030A1 (fr) *	1982-02-19	1983-08-26	Scherb Metenett Papeteries	Procede de blanchiment selectif de pate a papier et papier obtenu par mise en oeuvre de ce procede

1980
- 1980-04-10 SE SE8002728A patent/SE445051B/xx not_active IP Right Cessation
1981
- 1981-04-01 AU AU69012/81A patent/AU6901281A/en not_active Abandoned
- 1981-04-06 FR FR8106834A patent/FR2480321A1/fr active Granted
- 1981-04-07 IT IT8148224A patent/IT1209859B/it active
- 1981-04-08 NL NLAANVRAGE8101748,A patent/NL187865C/xx not_active IP Right Cessation
- 1981-04-09 JP JP5377081A patent/JPS56159384A/ja active Granted
- 1981-04-09 NO NO811225A patent/NO159107C/no unknown
- 1981-04-09 DE DE19813114427 patent/DE3114427A1/de active Granted
- 1981-04-09 CA CA000375146A patent/CA1174013A/en not_active Expired
- 1981-04-09 FI FI811096A patent/FI73016C/fi not_active IP Right Cessation
1984
- 1984-01-09 AU AU23169/84A patent/AU568112B2/en not_active Ceased

Also Published As

Publication number	Publication date
NO159107C (no)	1988-11-30
NO811225L (no)	1981-10-12
NO159107B (no)	1988-08-22
SE445051B (sv)	1986-05-26
AU2316984A (en)	1984-05-10
DE3114427A1 (de)	1982-01-14
FR2480321B1 (fi)	1984-09-14
CA1174013A (en)	1984-09-11
NL187865C (nl)	1992-02-03
NL187865B (nl)	1991-09-02
FI73016C (fi)	1987-08-10
DE3114427C2 (fi)	1987-12-17
AU6901281A (en)	1981-10-29
AU568112B2 (en)	1987-12-17
FI73016B (fi)	1987-04-30
JPH0219236B2 (fi)	1990-05-01
IT8148224A0 (it)	1981-04-07
JPS56159384A (en)	1981-12-08
NL8101748A (nl)	1981-11-02
IT1209859B (it)	1989-08-30
SE8002728L (sv)	1981-10-11
FR2480321A1 (fr)	1981-10-16

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Legal Events

Date	Code	Title	Description
1995-11-15	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG