FI863615A - Foerfarande foer styrning av cellulosakok. - Google Patents

Foerfarande foer styrning av cellulosakok. Download PDF

Info

Publication number
FI863615A
FI863615A FI863615A FI863615A FI863615A FI 863615 A FI863615 A FI 863615A FI 863615 A FI863615 A FI 863615A FI 863615 A FI863615 A FI 863615A FI 863615 A FI863615 A FI 863615A
Authority
FI
Finland
Prior art keywords
cellulose
chemicals
current
measuring
digester
Prior art date
Application number
FI863615A
Other languages
English (en)
Other versions
FI863615A0 (fi
FI80526C (fi
FI80526B (fi
Inventor
Hannu Savisalo
Timo Kerola
Original Assignee
Savcor Consulting Oy
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 Savcor Consulting Oy filed Critical Savcor Consulting Oy
Priority to FI863615A priority Critical patent/FI80526C/fi
Publication of FI863615A0 publication Critical patent/FI863615A0/fi
Priority to US07/094,319 priority patent/US4933292A/en
Priority to CA000546233A priority patent/CA1281510C/en
Priority to EP87113064A priority patent/EP0259820B1/en
Priority to DE3751266T priority patent/DE3751266T2/de
Priority to AT87113064T priority patent/ATE121843T1/de
Publication of FI863615A publication Critical patent/FI863615A/fi
Application granted granted Critical
Publication of FI80526B publication Critical patent/FI80526B/fi
Publication of FI80526C publication Critical patent/FI80526C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/343—Paper pulp

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Food Science & Technology (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FI863615A 1986-09-08 1986-09-08 Foerfarande foer styrning av cellulosakok. FI80526C (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI863615A FI80526C (fi) 1986-09-08 1986-09-08 Foerfarande foer styrning av cellulosakok.
US07/094,319 US4933292A (en) 1986-09-08 1987-09-04 Method for controlling and measuring cellulose digestion
CA000546233A CA1281510C (en) 1986-09-08 1987-09-04 Procedure for controlling cellulose digestion
EP87113064A EP0259820B1 (en) 1986-09-08 1987-09-07 Procedure for controlling cellulose digestion
DE3751266T DE3751266T2 (de) 1986-09-08 1987-09-07 Verfahren zur Regelung von Zellulosendigestion.
AT87113064T ATE121843T1 (de) 1986-09-08 1987-09-07 Verfahren zur regelung von zellulosendigestion.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI863615 1986-09-08
FI863615A FI80526C (fi) 1986-09-08 1986-09-08 Foerfarande foer styrning av cellulosakok.

Publications (4)

Publication Number Publication Date
FI863615A0 FI863615A0 (fi) 1986-09-08
FI863615A true FI863615A (fi) 1988-03-09
FI80526B FI80526B (fi) 1990-02-28
FI80526C FI80526C (fi) 1990-06-11

Family

ID=8523123

Family Applications (1)

Application Number Title Priority Date Filing Date
FI863615A FI80526C (fi) 1986-09-08 1986-09-08 Foerfarande foer styrning av cellulosakok.

Country Status (6)

Country Link
US (1) US4933292A (fi)
EP (1) EP0259820B1 (fi)
AT (1) ATE121843T1 (fi)
CA (1) CA1281510C (fi)
DE (1) DE3751266T2 (fi)
FI (1) FI80526C (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991004486A1 (en) * 1989-09-22 1991-04-04 Blanchard Marketing Services Limited Sensing method and device for aggregation control
US5282931A (en) * 1992-07-08 1994-02-01 Pulp And Paper Research Institute Of Canada Determination and control of effective alkali in kraft liquors by IR spectroscopy
FI91997C (fi) * 1993-08-20 1994-09-12 Conrex Oy Elektrodijärjestelmän, johon kuuluu mittauselektrodi, vertailuelektrodi ja vastaelektrodi, käyttö vetyperoksidin pitoisuuden mittaamisessa
US6416651B1 (en) * 1999-02-26 2002-07-09 Honeywell Measurex Multi-electrode composition measuring device and method
FI113089B (fi) 1999-10-06 2004-02-27 Liqum Oy Menetelmä paperinvalmistusprosessin analysoimiseksi ja sähkökemiallinen anturi nesteen analysoimiseksi
CA2293223C (en) * 1999-12-23 2004-02-10 Michael G. Paice Electrochemical method for determinating lignin content of pulp
FI122238B (fi) * 2006-02-09 2011-10-31 Metso Automation Oy Menetelmä ja laitteisto massasuspension kokonaisperoksidipitoisuuden määrittämiseksi
WO2016112203A1 (en) * 2015-01-07 2016-07-14 Andritz Inc. System and method for monitoring and control of multiple processing zones within pressurized vessels
FI128975B (fi) 2018-11-22 2021-04-15 Andritz Oy Järjestely lignoselluloosapitoisen materiaalin käsittelyastian monitorointianturien asentamiseksi

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2123497C3 (de) * 1970-05-15 1978-08-03 Mo Och Domsjoe Ab, Oernskoeldsvik (Schweden) Verfahren zur Herstellung von Sulfatpulpen zur Erzielung von Pulpen mit einem vorherbestimmten Maß an Delignifizierung
SE377348B (fi) * 1972-07-14 1975-06-30 Mo Och Domsjoe Ab
US3941649A (en) * 1972-07-14 1976-03-02 Mo Och Domsjo Aktiebolag Process for obtaining a predetermined Kappa number in sulfate pulping
SE384884C (sv) * 1974-09-05 1986-04-14 Mo Och Domsjoe Ab Forfarande for reglering av tillforseln av reaktionskemikalier vid delignifiering och/eller blekning av massa
US4012197A (en) * 1975-11-07 1977-03-15 Measurex Corporation Titration apparatus and method therefor
DK424281A (da) * 1981-09-25 1983-03-26 Kemotron A S Fremgangsmaade til styring af hvidluds egenskaber
FI65675C (fi) * 1982-05-12 1984-06-11 Kajaani Oy Elektrodsystem foer voltametriska maetningar
US4624742A (en) * 1984-02-27 1986-11-25 Westvaco Corporation Method of determining black liquor solids concentration remaining in a washed pulp mat

Also Published As

Publication number Publication date
ATE121843T1 (de) 1995-05-15
EP0259820A2 (en) 1988-03-16
DE3751266T2 (de) 1995-09-21
EP0259820B1 (en) 1995-04-26
EP0259820A3 (en) 1990-05-23
FI863615A0 (fi) 1986-09-08
FI80526C (fi) 1990-06-11
US4933292A (en) 1990-06-12
DE3751266D1 (de) 1995-06-01
FI80526B (fi) 1990-02-28
CA1281510C (en) 1991-03-19

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MM Patent lapsed

Owner name: SAVCOR CONSULTING OY