FI881521A0 - Kontinuerlig oevervakningsanordning och -foerfarande foer faststaellande av graden av fullstaendighet av massakok. - Google Patents
Kontinuerlig oevervakningsanordning och -foerfarande foer faststaellande av graden av fullstaendighet av massakok.Info
- Publication number
- FI881521A0 FI881521A0 FI881521A FI881521A FI881521A0 FI 881521 A0 FI881521 A0 FI 881521A0 FI 881521 A FI881521 A FI 881521A FI 881521 A FI881521 A FI 881521A FI 881521 A0 FI881521 A0 FI 881521A0
- Authority
- FI
- Finland
- Prior art keywords
- oevervakningsanordning
- massakok
- fullstaendighet
- faststaellande
- kontinuerlig
- Prior art date
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
-
- 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
- G01N33/346—Paper sheets
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
- Y10T436/117497—Automated chemical analysis with a continuously flowing sample or carrier stream
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/033,594 US4780182A (en) | 1987-04-01 | 1987-04-01 | Continuously monitored apparatus and method for determining degree of completion of pulp cook |
Publications (2)
Publication Number | Publication Date |
---|---|
FI881521A0 true FI881521A0 (fi) | 1988-03-31 |
FI881521A FI881521A (fi) | 1988-10-02 |
Family
ID=21871301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI881521A FI881521A (fi) | 1987-04-01 | 1988-03-31 | Kontinuerlig oevervakningsanordning och -foerfarande foer faststaellande av graden av fullstaendighet av massakok. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4780182A (fi) |
FI (1) | FI881521A (fi) |
SE (1) | SE8801168L (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5194388A (en) * | 1989-07-10 | 1993-03-16 | Westvaco Corporation | "Kappa" number calibration standard |
AU1986100A (en) * | 1998-12-18 | 2000-07-12 | Erkki Pietilainen | Method for determination of the charging state for filtrates of masses in paper and board machines |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3838594A (en) * | 1973-01-24 | 1974-10-01 | Meara Co Inc O | Apparatus for analysis of fluid suspensions |
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 |
SE8000434L (sv) * | 1980-01-18 | 1981-07-19 | Kaelle Eur Control | Forfarande och anordning for bestemning av ligninhalten i massa |
US4540468A (en) * | 1983-09-26 | 1985-09-10 | Board Of Trustees Of The University Of Maine | Method for determining the degree of completion and pulp yield |
-
1987
- 1987-04-01 US US07/033,594 patent/US4780182A/en not_active Expired - Fee Related
-
1988
- 1988-03-29 SE SE8801168A patent/SE8801168L/ not_active Application Discontinuation
- 1988-03-31 FI FI881521A patent/FI881521A/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE8801168D0 (sv) | 1988-03-29 |
FI881521A (fi) | 1988-10-02 |
SE8801168L (sv) | 1988-10-02 |
US4780182A (en) | 1988-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: PAPER VALLEY INSTRUMENTS, INC. |