FI781272A - Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering av cellulosamaterial - Google Patents

Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering av cellulosamaterial

Info

Publication number: FI781272A
Authority: FI; Finland
Prior art keywords: tillfoerseln; reaktionskemikalier; delignifiering; cellulosamaterial; vid
Prior art date: 1977-05-11

Application number

FI781272A

Other languages

English (en)

Other versions

FI69494B (fi

FI69494C (fi

Inventor

John Rickard Bergstroem

Sten Lage Haeggstroem

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.)

1977-05-11

Filing date

1978-04-24

Publication date

1978-11-12

1978-04-24 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1978-11-12 Publication of FI781272A publication Critical patent/FI781272A/fi

1985-10-31 Publication of FI69494B publication Critical patent/FI69494B/fi

1986-02-10 Application granted granted Critical

1986-02-10 Publication of FI69494C publication Critical patent/FI69494C/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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1052—Controlling the process
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/09—Uses for paper making sludge
- Y10S162/10—Computer control of paper making variables

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pretreatment Of Seeds And Plants (AREA)
Treatment Of Sludge (AREA)

FI781272A 1977-05-11 1978-04-24 Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering av cellulosamaterial FI69494C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE7705513		1977-05-11
SE7705513A SE415580C (sv)	1977-05-11	1977-05-11	Forfarande for reglering av tillforseln av reaktionskemikalier vid delignifiering av cellulosamaterial

Publications (3)

Publication Number	Publication Date
FI781272A true FI781272A (fi)	1978-11-12
FI69494B FI69494B (fi)	1985-10-31
FI69494C FI69494C (fi)	1986-02-10

Family

ID=20331289

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI781272A FI69494C (fi)	1977-05-11	1978-04-24	Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering av cellulosamaterial

Country Status (9)

Country	Link
US (1)	US4348256A (fi)
JP (1)	JPS53139806A (fi)
BR (1)	BR7802938A (fi)
CA (1)	CA1099058A (fi)
DE (1)	DE2819860C2 (fi)
FI (1)	FI69494C (fi)
FR (1)	FR2390542A1 (fi)
NO (1)	NO151046C (fi)
SE (1)	SE415580C (fi)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE421019B (sv) *	1980-08-26	1981-11-16	Kamyr Ab	Forfarande for kemikaliereglering vid behandling av en substans, speciellt massa, med gas
JPS60155025A (ja) *	1984-01-25	1985-08-14	Nissan Motor Co Ltd	シヨツクアブソ−バ
US5032976A (en) *	1989-06-13	1991-07-16	Elsag International B.V.	System for modeling and control for delignification of pulping
US5032977A (en) *	1989-06-13	1991-07-16	Elsag International B.V.	System for modeling and control for delignification of pulping
US5301102A (en) *	1991-10-07	1994-04-05	Westvaco Corporation	Multivariable control of a Kamyr digester
US5403441A (en) *	1992-11-13	1995-04-04	Union Camp Patent Holding, Inc.	Method for controlling an ozone bleaching process
US5672247A (en) *	1995-03-03	1997-09-30	Union Camp Patent Holding, Inc.	Control scheme for rapid pulp delignification and bleaching
US5736004A (en) *	1995-03-03	1998-04-07	Union Camp Patent Holding, Inc.	Control scheme for rapid pulp delignification and bleaching
SE514543C2 (sv) *	1995-03-08	2001-03-12	Kvaerner Pulping Tech	Apparat för inblandning av ett första fluidum i ett andra fluidum
US6153050A (en) *	1998-03-24	2000-11-28	Noranda Forest Inc.	Method and system for controlling the addition of bleaching reagents to obtain a substantially constant percentage of pulp delignification across the first bleaching/delignifying stage
DE19920338A1 (de) *	1999-05-03	2000-11-16	Voith Sulzer Papiertech Patent	Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff
WO2012166997A2 (en)	2011-05-31	2012-12-06	Clean Chemistry, Llc	Electrochemical reactor and process
US20170107128A1 (en)	2012-09-07	2017-04-20	Clean Chemistry, Inc.	System and method for generation of reactive oxygen species and applications thereof
WO2016037149A1 (en)	2014-09-04	2016-03-10	Clean Chemistry, Inc.	Method of water treatment utilizing a peracetate oxidant solution
US10472265B2 (en)	2015-03-26	2019-11-12	Clean Chemistry, Inc.	Systems and methods of reducing a bacteria population in high hydrogen sulfide water
US10400392B2 (en) *	2015-10-05	2019-09-03	Valmet Automation Oy	Measurement apparatus and method
US10883224B2 (en)	2015-12-07	2021-01-05	Clean Chemistry, Inc.	Methods of pulp fiber treatment
WO2017100299A1 (en)	2015-12-07	2017-06-15	Clean Chemistry, Inc.	Methods of pulp fiber treatment
US11136714B2 (en)	2016-07-25	2021-10-05	Clean Chemistry, Inc.	Methods of optical brightening agent removal
FR3067275B1 (fr)	2017-06-07	2022-08-12	Timothee Boitouzet	Procede de delignification partielle par voie supercritique ou subcritique et de remplissage d'un materiau ligno-cellulosique
US11001864B1 (en)	2017-09-07	2021-05-11	Clean Chemistry, Inc.	Bacterial control in fermentation systems
US11311012B1 (en)	2017-09-07	2022-04-26	Clean Chemistry, Inc.	Bacterial control in fermentation systems
FR3077895B1 (fr)	2018-02-09	2020-02-28	Sas Woodoo	Dispositif de detection tactile avec interface tactile en materiau composite

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1009131A (fi) *		1900-01-01
US2466290A (en) *	1944-03-15	1949-04-05	Paper Chemistry Inst	Method of digesting pulp by the alkaline process
US3562384A (en) *	1960-11-08	1971-02-09	Miles Lab	Immunological indicator and test system
US3486971A (en) *	1967-11-03	1969-12-30	Systematix Controls Inc	Control of chlorine dioxide bleaching
US3679543A (en) *	1970-08-18	1972-07-25	Calgon Corp	Controlling the cooking process in pulp digestion by differential conductivity measurements
USB300004I5 (fi)	1970-10-02	1975-01-28	Westinghouse Electric Corp
FI47786C (fi) *	1972-02-28	1974-03-11	Neste Oy	Menetelmä selluun kohdistuvan jatkuvan valkaisuprosessi automaattiseks i säätämiseksi.
SE399966B (sv) *	1973-10-17	1978-03-06	Mo Och Domsjoe Ab	Sett att reglera mengden kemiska emnen i inom cellulosaindustrin och beslektade industrier forekommande vetskor

1977
- 1977-05-11 SE SE7705513A patent/SE415580C/xx not_active IP Right Cessation
1978
- 1978-04-24 FI FI781272A patent/FI69494C/fi not_active IP Right Cessation
- 1978-05-04 JP JP5364978A patent/JPS53139806A/ja active Granted
- 1978-05-05 DE DE2819860A patent/DE2819860C2/de not_active Expired
- 1978-05-05 US US05/903,267 patent/US4348256A/en not_active Expired - Lifetime
- 1978-05-10 BR BR7802938A patent/BR7802938A/pt unknown
- 1978-05-10 NO NO781646A patent/NO151046C/no unknown
- 1978-05-11 FR FR7814087A patent/FR2390542A1/fr active Granted
- 1978-05-11 CA CA303,102A patent/CA1099058A/en not_active Expired

Also Published As

Publication number	Publication date
FR2390542B1 (fi)	1982-08-06
FI69494B (fi)	1985-10-31
JPS53139806A (en)	1978-12-06
FR2390542A1 (fr)	1978-12-08
CA1099058A (en)	1981-04-14
SE415580C (sv)	1984-10-15
JPS5730439B2 (fi)	1982-06-29
FI69494C (fi)	1986-02-10
NO151046C (no)	1985-01-30
BR7802938A (pt)	1979-01-23
DE2819860C2 (de)	1981-10-08
NO781646L (no)	1978-11-14
SE7705513L (sv)	1978-11-12
SE415580B (sv)	1980-10-13
US4348256A (en)	1982-09-07
NO151046B (no)	1984-10-22
DE2819860A1 (de)	1978-11-16

Publication	Publication Date	Title
FI781732A (fi)	1978-12-04	Foerbaettringar vid anordningar foer separering av plastfolie fraon papper saerskilt foer tillvaratagning av papper fraon fast avfall
FI54401B (fi)	1978-07-31	Ledanordning vid belysningsarmaturer saosom kontorslampor
FI780870A (fi)	1978-11-07	Foerbaettringar vid centrifugal-reningsanordningar
FI781272A (fi)	1978-11-12	Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering av cellulosamaterial
FI780390A (fi)	1978-08-24	Anordning vid taeckta lastbilsflak
FI773132A (fi)	1979-04-22	Anordning vid dragbom foer slaepvagn
FI780570A (fi)	1978-11-13	Snoeslunga speciellt foer montering vid jaernvaegsfordon
FI780581A (fi)	1978-09-08	Anordning vid hydrocyklonseparator
FI783493A (fi)	1979-05-24	Anordning vid saoningsapparater foer saodd av skogsfroe
FI55313C (fi)	1979-07-10	Gripanordning vid en lastbils vaexelflaksanordning
FI783275A (fi)	1979-05-26	Anordning foer skaerning av en infoeringsspets vid varubanor
FI781003A (fi)	1978-10-07	Anordning vid montering av laodliknande konstruktioner
FI780759A (fi)	1978-09-12	Upparbetningsanordning vid arbetsfordon
FI780681A (fi)	1978-10-29	Anordning vid lastbankar foer fordon
FI65339B (fi)	1983-12-30	Saett vid tillverkning av en starkstroemskabel
FI782052A (fi)	1978-12-29	Testningsanordning foer kontrollering av tvaettorgan vid tvaettautomater foer fordon
FI65367B (fi)	1984-01-31	Anordning vid foersta foerband
FI781369A (fi)	1978-11-06	Foerfarande foer foerbaettrande av bildkvaliteten vid faksimile-oeverfoering
FI781337A (fi)	1978-12-07	Saett vid raffinering av fibermaterial
FI780338A (fi)	1978-08-09	Anordning vid roekevakueringslucka
FI65902B (fi)	1984-04-30	Anordning vid kokkaerl
FI780613A (fi)	1978-08-24	Anordning vid saekringshaollare
FI54745C (fi)	1979-02-12	Saett foer reglering av instaellning vid krossar
FI780869A (fi)	1979-03-06	Anordning vid montering av hustak
FI782824A (fi)	1979-03-18	Foerfarande foer minskning av kvicksilverfoerluster vid alkalikloridelektrolys

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: MO OCH DOMSJOE AB