FI79359C - Förfarande för kontroll av ligninets upplösning vid alkaliska massakok - Google Patents

Förfarande för kontroll av ligninets upplösning vid alkaliska massakok Download PDF

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Publication number
FI79359C
FI79359C FI880226A FI880226A FI79359C FI 79359 C FI79359 C FI 79359C FI 880226 A FI880226 A FI 880226A FI 880226 A FI880226 A FI 880226A FI 79359 C FI79359 C FI 79359C
Authority
FI
Finland
Prior art keywords
cooking
lignin
determined
absorbance
sulphate
Prior art date
Application number
FI880226A
Other languages
English (en)
Finnish (fi)
Other versions
FI880226A0 (fi
FI79359B (fi
Inventor
Raimo Alen
Timo Hartus
Original Assignee
Kajaani Electronics
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 Kajaani Electronics filed Critical Kajaani Electronics
Priority to FI880226A priority Critical patent/FI79359C/sv
Publication of FI880226A0 publication Critical patent/FI880226A0/fi
Priority to SE8900200A priority patent/SE8900200L/sv
Priority to DE19893901662 priority patent/DE3901662A1/de
Application granted granted Critical
Publication of FI79359B publication Critical patent/FI79359B/fi
Publication of FI79359C publication Critical patent/FI79359C/sv

Links

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
    • D21C7/00—Digesters
    • D21C7/12—Devices for regulating or controlling

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)
  • Compounds Of Unknown Constitution (AREA)
FI880226A 1988-01-20 1988-01-20 Förfarande för kontroll av ligninets upplösning vid alkaliska massakok FI79359C (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI880226A FI79359C (sv) 1988-01-20 1988-01-20 Förfarande för kontroll av ligninets upplösning vid alkaliska massakok
SE8900200A SE8900200L (sv) 1988-01-20 1989-01-20 Metod foer bestaemning av ligninupploesningen vid alkalisk kokning
DE19893901662 DE3901662A1 (de) 1988-01-20 1989-01-20 Verfahren zur ueberwachung der aufloesung von lignin in alkalischem aufschluss

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI880226 1988-01-20
FI880226A FI79359C (sv) 1988-01-20 1988-01-20 Förfarande för kontroll av ligninets upplösning vid alkaliska massakok

Publications (3)

Publication Number Publication Date
FI880226A0 FI880226A0 (fi) 1988-01-20
FI79359B FI79359B (fi) 1989-08-31
FI79359C true FI79359C (sv) 1989-12-11

Family

ID=8525747

Family Applications (1)

Application Number Title Priority Date Filing Date
FI880226A FI79359C (sv) 1988-01-20 1988-01-20 Förfarande för kontroll av ligninets upplösning vid alkaliska massakok

Country Status (3)

Country Link
DE (1) DE3901662A1 (sv)
FI (1) FI79359C (sv)
SE (1) SE8900200L (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017325U1 (de) * 1990-12-21 1992-01-02 Siemens AG, 8000 München Prozeßleitsystem zur Steuerung der Herstellung von Zellstoff
DE19653479C1 (de) * 1996-12-20 1998-09-03 Siemens Ag Verfahren und Vorrichtung zur Prozeßführung und zur Prozeßoptimierung beim Bleichen von Faserstoffen
US6023065A (en) * 1997-03-10 2000-02-08 Alberta Research Council Method and apparatus for monitoring and controlling characteristics of process effluents
US20230002433A1 (en) 2019-12-06 2023-01-05 Basf Se Method for preparation of lignin oligomers
CN116601237A (zh) 2020-12-07 2023-08-15 巴斯夫欧洲公司 木质素的内酰胺水溶液
EP4267636A1 (en) 2020-12-23 2023-11-01 Basf Se Binder composition comprising polyamine(s) and hydroxyacetone for composite articles
KR20230125257A (ko) 2020-12-23 2023-08-29 바스프 에스이 복합체 물품을 위한, 폴리아민(들)과 1,3-다이하이드록시아세톤,글리콜알데하이드 및/또는 글리세르알데하이드를 포함하는 결합제 조성물

Also Published As

Publication number Publication date
SE8900200L (sv) 1989-07-21
DE3901662A1 (de) 1989-07-27
SE8900200D0 (sv) 1989-01-20
FI880226A0 (fi) 1988-01-20
FI79359B (fi) 1989-08-31

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: KAJAANI ELEKTRONIIKKA OY