SE405615B - Sett och system for reglering av en uppslutningsprocess - Google Patents

Sett och system for reglering av en uppslutningsprocess

Info

Publication number
SE405615B
SE405615B SE7207731A SE773172A SE405615B SE 405615 B SE405615 B SE 405615B SE 7207731 A SE7207731 A SE 7207731A SE 773172 A SE773172 A SE 773172A SE 405615 B SE405615 B SE 405615B
Authority
SE
Sweden
Prior art keywords
regulating
systems
methods
connection process
connection
Prior art date
Application number
SE7207731A
Other languages
English (en)
Inventor
J A Histed
W H Lawford
M J Mcleod
R G Windeborn
D R Catford
Original Assignee
Int Paper Canada
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 Int Paper Canada filed Critical Int Paper Canada
Publication of SE405615B publication Critical patent/SE405615B/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/228—Automation of the pulping processes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • 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

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)
SE7207731A 1971-06-14 1972-06-13 Sett och system for reglering av en uppslutningsprocess SE405615B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15272871A 1971-06-14 1971-06-14

Publications (1)

Publication Number Publication Date
SE405615B true SE405615B (sv) 1978-12-18

Family

ID=22544152

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7207731A SE405615B (sv) 1971-06-14 1972-06-13 Sett och system for reglering av en uppslutningsprocess

Country Status (4)

Country Link
US (1) US3764463A (sv)
CA (1) CA986657A (sv)
FI (1) FI59631C (sv)
SE (1) SE405615B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013506A (en) * 1974-07-22 1977-03-22 Canadian International Paper Company Method and apparatus for automatically and simultaneously controlling solution viscosity and brightness of a pulp during multi-stage bleaching
US4192708A (en) * 1974-09-05 1980-03-11 Mo Och Domsjo Aktiebolag Method for controlling the addition of active chemical for delignifying and/or bleaching cellulose pulp suspended in a liquor containing chemicals reactive with the delignifying and/or bleaching chemical
US4146422A (en) * 1976-08-24 1979-03-27 Kamyr Inc. Method for obtaining any variation in the fiber content of a digester effluent slurry
US4963229A (en) * 1985-07-02 1990-10-16 International Paper Company System and method for continuous measurement of pulp consistency in a blowline of a continuous pulp digester
SE463118B (sv) * 1988-02-26 1990-10-08 Btg Kaelle Inventing Ab Foerfarande och anordning foer bestaemning av koncentrationen av ett aemne som aer bundet till partiklar i ett stroemmande medium
US5619038A (en) * 1995-02-21 1997-04-08 Temple-Inland Forest Products Corporation Method and apparatus for determining the polymer content of a cellulose/polymer mixture and associated calibration
US6273994B1 (en) * 1998-01-30 2001-08-14 Iogen Corporation Method and device for measuring bleach requirement, bleachability, and effectivenss of hemicellulase enzyme treatment of pulp
SE0002047L (sv) * 2000-05-31 2001-11-19 Kvaerner Pulping Tech Förfarande för reglering av en process för tillverkning av pappersmassa genom optisk mätning av mängden hexenuronsyra

Also Published As

Publication number Publication date
US3764463A (en) 1973-10-09
FI59631C (fi) 1981-09-10
FI59631B (fi) 1981-05-29
CA986657A (en) 1976-04-06

Similar Documents

Publication Publication Date Title
CA959687A (en) Optical filter system
AU470775B2 (en) High-density relax-transport system
AU462292B2 (en) Apparatus for forming part ofa fluid control system
FI55257C (fi) System foer fyllning och toemning av vaermevaexlare av flerroerstyp
CA973404A (en) Optical filter system
SE380308B (sv) Styrsystem
CA950553A (en) Optical pattern following control system
CA1016992A (en) Controlled spark-duration system
CA957168A (en) Steam system
SE405615B (sv) Sett och system for reglering av en uppslutningsprocess
CA965475A (en) Regulated ignition system
SE385338B (sv) Anordning for reglering av ett trafiksystem
AT326006B (de) Kegelstellanlage
AT325466B (de) Kegelstellanlage
CA972193A (en) Optical system
HK24476A (en) Optical system
CA967037A (en) Optical systems
AU434637B2 (en) Irrigation system
CA880030A (en) Inlet control system
GB1368700A (en) Colour-corrected lens system
AU4510872A (en) Cement-concrete laying systems
CA865023A (en) Control system for parallel flow
SE7509728L (sv) Processtyrningssystem
CA1001470A (en) Photographic systems
AU473208B2 (en) Photographic systems