SE8900200D0 - Metod foer bestaemning av ligninupploesningen vid alkalisk kokning - Google Patents

Metod foer bestaemning av ligninupploesningen vid alkalisk kokning

Info

Publication number
SE8900200D0
SE8900200D0 SE8900200A SE8900200A SE8900200D0 SE 8900200 D0 SE8900200 D0 SE 8900200D0 SE 8900200 A SE8900200 A SE 8900200A SE 8900200 A SE8900200 A SE 8900200A SE 8900200 D0 SE8900200 D0 SE 8900200D0
Authority
SE
Sweden
Prior art keywords
boiling
alkalk
cooking
determining
lignin
Prior art date
Application number
SE8900200A
Other languages
English (en)
Other versions
SE8900200L (sv
Inventor
N R Al
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
Publication of SE8900200D0 publication Critical patent/SE8900200D0/sv
Publication of SE8900200L publication Critical patent/SE8900200L/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)
SE8900200A 1988-01-20 1989-01-20 Metod foer bestaemning av ligninupploesningen vid alkalisk kokning SE8900200L (sv)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE8900200D0 true SE8900200D0 (sv) 1989-01-20
SE8900200L SE8900200L (sv) 1989-07-21

Family

ID=8525747

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8900200A SE8900200L (sv) 1988-01-20 1989-01-20 Metod foer bestaemning av ligninupploesningen vid alkalisk kokning

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
EP4069666B1 (en) 2019-12-06 2024-08-21 Basf Se Method for preparation of lignin oligomers
EP4255964A1 (en) 2020-12-07 2023-10-11 Basf Se Aqueous lactam solution of lignin
CA3203166A1 (en) 2020-12-23 2022-06-30 Gereon Antonius SOMMER Binder composition comprising polyamine(s) as well as 1,3 -dihydroxyacetone, glycolaldehyde and/or glyceraldehyde for composite articles
KR20230125255A (ko) 2020-12-23 2023-08-29 바스프 에스이 복합체 물품을 위한, 폴리아민(들)과 하이드록시아세톤을포함하는 결합제 조성물

Also Published As

Publication number Publication date
FI880226A0 (fi) 1988-01-20
SE8900200L (sv) 1989-07-21
FI79359C (sv) 1989-12-11
FI79359B (fi) 1989-08-31
DE3901662A1 (de) 1989-07-27

Similar Documents

Publication Publication Date Title
SE8504236D0 (sv) Forbettrad oxidativ extraktion
IN161416B (sv)
SE8804578L (sv) Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
BR9007533A (pt) Processo para fabricacao de polpa alvejada e para deslignificar e alvejar um material lignoscelulosico
SE9700143L (sv) Kraftkokning i två steg
CA2270524A1 (en) Method of producing pulp using single-stage cooking with formic acid and washing with performic acid
SE8900200L (sv) Metod foer bestaemning av ligninupploesningen vid alkalisk kokning
SE0400568L (sv) Förbehandling av flis före kokning
DE3265116D1 (en) A method for improving the washing of cellulose pulps produced from lignocellulosic material
DE69315146D1 (de) Verfahren zum Bleichen von Papierzellstoff
ATE50812T1 (de) Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien.
SE8604212L (sv) Forfarande vid tillverkning av produkter innehallande trefibrer
SE8003911L (sv) Forfarande for syrgasblekning av cellulosamassa
FI92226B (sv) Förfarande för förtjockning av avlutar och återvinning av kokkemikalier vid massaframställning med alkoholbaserade kokvätskor
CA2297980A1 (en) Continuous cooking with cool impregnation and dom control
WO1994023117A3 (en) Bleaching recycled pulp with ozone and hydrogen peroxide
SE8600037D0 (sv) A method for controlling alkaline pulping process
SE8501338D0 (sv) Pulping process
CA2023904A1 (en) Deinking and bleaching secondary fiber
SE9704273L (sv) Nytt förfarande vid framställning av kemisk massa
SE8902722L (sv) Metod foer styrning av en alkalisk cellulosakokning
FI870312A (fi) Foerfarande foer styrning av alkaliska cellulosakok.
Lincoln et al. METHOD OF BLEACHING WOOD PULP
NO875428D0 (no) Fremgangsmaate for resirkulering av fenol i en kokeprosess for lignocelluloseholdige materialer.
SE8405984D0 (sv) Forfarande for framstellning av sulfitcellulosa

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8900200-0

Effective date: 19920801