FI855039A0 - Foerfarande foer framstaellning av cellulosamassa. - Google Patents

Foerfarande foer framstaellning av cellulosamassa.

Info

Publication number: FI855039A0
Authority: FI; Finland
Prior art keywords: cellulosamassa; foerfarande foer; foer framstaellning; framstaellning; foerfarande
Prior art date: 1984-12-21

Application number

FI855039A

Other languages

English (en)

Other versions

FI81392C (fi

FI855039A (fi

FI81392B (fi

Inventor

Leif Urban Folke Thorsell

Nils Ove Nilsson

Original Assignee

Mo Och Domsjoe 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.)

1984-12-21

Filing date

1985-12-17

Publication date

1985-12-17

1985-12-17 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1985-12-17 Publication of FI855039A0 publication Critical patent/FI855039A0/fi

1986-06-22 Publication of FI855039A publication Critical patent/FI855039A/fi

1990-06-29 Application granted granted Critical

1990-06-29 Publication of FI81392B publication Critical patent/FI81392B/fi

1990-10-10 Publication of FI81392C publication Critical patent/FI81392C/fi

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0042—Fractionating or concentration of spent liquors by special methods

Landscapes

Engineering & Computer Science (AREA)
Water Supply & Treatment (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)
Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Investigating Or Analysing Biological Materials (AREA)

FI855039A 1984-12-21 1985-12-17 Foerfarande foer framstaellning av cellulosamassa. FI81392C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE8406536A SE453840B (sv)	1984-12-21	1984-12-21	Forfarande vid framstellning av cellulosamassa
SE8406536		1984-12-21

Publications (4)

Publication Number	Publication Date
FI855039A0 true FI855039A0 (fi)	1985-12-17
FI855039A FI855039A (fi)	1986-06-22
FI81392B FI81392B (fi)	1990-06-29
FI81392C FI81392C (fi)	1990-10-10

Family

ID=20358261

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI855039A FI81392C (fi)	1984-12-21	1985-12-17	Foerfarande foer framstaellning av cellulosamassa.

Country Status (12)

Country	Link
US (1)	US4670098A (fi)
JP (1)	JPS61152892A (fi)
AU (1)	AU573056B2 (fi)
CA (1)	CA1264403A (fi)
DE (1)	DE3545386A1 (fi)
ES (1)	ES8706881A1 (fi)
FI (1)	FI81392C (fi)
FR (1)	FR2575198B1 (fi)
NO (1)	NO166416C (fi)
NZ (1)	NZ214210A (fi)
PT (1)	PT81750B (fi)
SE (1)	SE453840B (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE453840B (sv) *	1984-12-21	1988-03-07	Mo Och Domsjoe Ab	Forfarande vid framstellning av cellulosamassa
JPS6290389A (ja) *	1985-10-14	1987-04-24	王子製紙株式会社	アルカリ性パルプ蒸解廃液の処理方法
US5788812A (en) *	1985-11-05	1998-08-04	Agar; Richard C.	Method of recovering furfural from organic pulping liquor
CA2070500C (en) *	1991-06-13	1997-10-14	Ted Mcvay	Reactive phenolic resin modifier
US5824188A (en) *	1993-05-04	1998-10-20	Ahlstrom Machinery Inc.	Method of controlling the pressure of a continuous digester using an extraction-dilution
US5489363A (en) *	1993-05-04	1996-02-06	Kamyr, Inc.	Pulping with low dissolved solids for improved pulp strength
US5536366A (en) *	1993-05-04	1996-07-16	Ahlstrom Machinery Inc.	Digester system for implementing low dissolved solids profiling
US6132556A (en) *	1993-05-04	2000-10-17	Andritz-Ahlstrom Inc.	Method of controlling pulp digester pressure via liquor extraction
EP0876196A1 (de) *	1995-12-23	1998-11-11	KREBS & Co. AG	Verfahren zur reinigung einer mit fadenmolekülen verschmutzten flüssigkeit
AT403301B (de) *	1996-04-04	1998-01-26	Impco Voest Alpine Pulp Tech	Kontinuierliche flüssigkeitsführung
US5985096A (en) *	1997-09-23	1999-11-16	Ahlstrom Machinery Inc.	Vertical pulping digester having substantially constant diameter
US6752903B2 (en) *	2001-07-27	2004-06-22	Craig A. Bianchini	Method for mitigating the interference caused by high-molecular weight by-products in pulping processes
SE520956C2 (sv) *	2001-12-05	2003-09-16	Kvaerner Pulping Tech	Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren
AU2003256788A1 (en) *	2002-07-25	2004-02-23	Coffin World Water Systems	Apparatus and method for treating black liquor
CA2651483C (en) *	2006-05-19	2013-06-18	Raymond Francis	Methods for carbonate pretreatment and pulping of cellulosic material
US8303767B2 (en) *	2008-03-18	2012-11-06	The Research Foundation Of State University Of New York	Methods of pretreating comminuted cellulosic material with carbonate-containing solutions
FI127816B (fi) *	2012-06-06	2019-03-15	Upm Kymmene Corp	Menetelmä ligniinin fraktioimiseksi
NL2020102B1 (en) *	2017-12-15	2019-06-25	Miscancell B V	Multi-step process for the isolation of components from Miscanthus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB703102A (en) *	1951-06-21	1954-01-27	Courtaulds Ltd	Improvements in and relating to the production of wood pulp
JPS4856902A (fi) *	1971-02-11	1973-08-10
CH560289A5 (fi) *	1971-12-30	1975-03-27	Danske Sukkerfab
JPS55107593A (en) *	1979-02-09	1980-08-18	Sanyo Kokusaku Pulp Co	Liquid exhausting treatment of kraft pulp
SE453840B (sv) *	1984-12-21	1988-03-07	Mo Och Domsjoe Ab	Forfarande vid framstellning av cellulosamassa

1984
- 1984-12-21 SE SE8406536A patent/SE453840B/sv unknown
1985
- 1985-11-15 NZ NZ214210A patent/NZ214210A/en unknown
- 1985-12-03 AU AU50736/85A patent/AU573056B2/en not_active Ceased
- 1985-12-12 JP JP60280853A patent/JPS61152892A/ja active Granted
- 1985-12-17 FI FI855039A patent/FI81392C/fi not_active IP Right Cessation
- 1985-12-19 NO NO855157A patent/NO166416C/no unknown
- 1985-12-20 FR FR858518906A patent/FR2575198B1/fr not_active Expired
- 1985-12-20 DE DE19853545386 patent/DE3545386A1/de active Granted
- 1985-12-20 ES ES550239A patent/ES8706881A1/es not_active Expired
- 1985-12-20 PT PT81750A patent/PT81750B/pt not_active IP Right Cessation
- 1985-12-23 US US06/812,430 patent/US4670098A/en not_active Expired - Fee Related
- 1985-12-23 CA CA000498524A patent/CA1264403A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
NZ214210A (en)	1988-02-12
ES550239A0 (es)	1987-06-16
US4670098A (en)	1987-06-02
NO166416C (no)	1991-07-17
NO166416B (no)	1991-04-08
JPH0355598B2 (fi)	1991-08-23
FI81392C (fi)	1990-10-10
FI855039A (fi)	1986-06-22
SE8406536L (sv)	1986-06-22
FR2575198B1 (fr)	1989-08-25
PT81750A (en)	1986-01-02
PT81750B (pt)	1987-12-30
AU573056B2 (en)	1988-05-26
JPS61152892A (ja)	1986-07-11
FR2575198A1 (fr)	1986-06-27
ES8706881A1 (es)	1987-06-16
NO855157L (no)	1986-06-23
AU5073685A (en)	1986-06-26
DE3545386A1 (de)	1986-07-03
FI81392B (fi)	1990-06-29
SE453840B (sv)	1988-03-07
DE3545386C2 (fi)	1989-12-07
SE8406536D0 (sv)	1984-12-21
CA1264403A (en)	1990-01-16

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Legal Events

Date	Code	Title	Description
1998-12-17	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: MO OCH DOMSJOE AKTIEBOLAG