SE7314129L - - Google Patents
Info
- Publication number
- SE7314129L SE7314129L SE7314129A SE7314129A SE7314129L SE 7314129 L SE7314129 L SE 7314129L SE 7314129 A SE7314129 A SE 7314129A SE 7314129 A SE7314129 A SE 7314129A SE 7314129 L SE7314129 L SE 7314129L
- Authority
- SE
- Sweden
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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1052—Controlling the process
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- 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
- G01N21/76—Chemiluminescence; Bioluminescence
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
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- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Automation & Control Theory (AREA)
- Plasma & Fusion (AREA)
- Pathology (AREA)
- Wood Science & Technology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Paper (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7314129A SE399966B (sv) | 1973-10-17 | 1973-10-17 | Sett att reglera mengden kemiska emnen i inom cellulosaindustrin och beslektade industrier forekommande vetskor |
NO743542A NO141910C (no) | 1973-10-17 | 1974-09-30 | Fremgangsmaate for regulering av mengden av kjemiske stoffer i vaesker som forekommer i celluloseindustrien og beslektede industrier |
DE2448731A DE2448731C3 (de) | 1973-10-17 | 1974-10-12 | Verfahren zur kontinuierlichen Analyse eines flussigen Probenstroms |
JP49119838A JPS5149004B2 (xx) | 1973-10-17 | 1974-10-16 | |
FI3035/74A FI303574A (xx) | 1973-10-17 | 1974-10-16 | |
BR8594/74A BR7408594A (pt) | 1973-10-17 | 1974-10-16 | Processo para controlar a quantidade de compostos quimicos em liquidos na industria da celulose e industrias correlatas |
US05/515,735 US3962029A (en) | 1973-10-17 | 1974-10-17 | Method of controlling the amount of chemicals in liquids used within the cellulose industry and related industries |
CA211,622A CA1026907A (en) | 1973-10-17 | 1974-10-17 | Method of controlling the amount of chemicals in liquids used within the cellulose industry and related industries |
FR7434954A FR2248504B1 (xx) | 1973-10-17 | 1974-10-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7314129A SE399966B (sv) | 1973-10-17 | 1973-10-17 | Sett att reglera mengden kemiska emnen i inom cellulosaindustrin och beslektade industrier forekommande vetskor |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7314129L true SE7314129L (xx) | 1975-04-18 |
SE399966B SE399966B (sv) | 1978-03-06 |
Family
ID=20318848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7314129A SE399966B (sv) | 1973-10-17 | 1973-10-17 | Sett att reglera mengden kemiska emnen i inom cellulosaindustrin och beslektade industrier forekommande vetskor |
Country Status (9)
Country | Link |
---|---|
US (1) | US3962029A (xx) |
JP (1) | JPS5149004B2 (xx) |
BR (1) | BR7408594A (xx) |
CA (1) | CA1026907A (xx) |
DE (1) | DE2448731C3 (xx) |
FI (1) | FI303574A (xx) |
FR (1) | FR2248504B1 (xx) |
NO (1) | NO141910C (xx) |
SE (1) | SE399966B (xx) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE415580C (sv) * | 1977-05-11 | 1984-10-15 | Mo Och Domsjoe Ab | Forfarande for reglering av tillforseln av reaktionskemikalier vid delignifiering av cellulosamaterial |
US4575433A (en) * | 1983-01-31 | 1986-03-11 | Iowa State University Research Foundation, Inc. | Method of generating chemiluminescent light |
GB8401630D0 (en) * | 1984-01-21 | 1984-02-22 | Interox Chemicals Ltd | Analysing and control |
JPH06105261B2 (ja) * | 1984-03-05 | 1994-12-21 | 株式会社東芝 | 濃度勾配測定装置 |
JPS60226403A (ja) * | 1984-04-20 | 1985-11-11 | Mitsubishi Heavy Ind Ltd | 亜硫酸塩濃度調整方法 |
FI71178C (fi) * | 1984-11-08 | 1988-05-18 | Rauma Repola Oy | Foerfarande foer reglering av syreblekningsprocess. |
SE455822B (sv) * | 1985-12-03 | 1988-08-08 | Mo Och Domsjoe Ab | Forfarande for att meta kemikaliehalten i blekvetska inom cellulosamassaindustrin samt apparatur for genomforande av forfarandet |
US4886576A (en) * | 1987-12-16 | 1989-12-12 | Boise Cascade Corporation | Method and apparatus for producing uniform pulp yields by controlling the operation of a refiner |
US5211811A (en) * | 1989-02-15 | 1993-05-18 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification |
US5409570A (en) * | 1989-02-15 | 1995-04-25 | Union Camp Patent Holding, Inc. | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone |
US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5554259A (en) * | 1993-10-01 | 1996-09-10 | Union Camp Patent Holdings, Inc. | Reduction of salt scale precipitation by control of process stream Ph and salt concentration |
US5900113A (en) * | 1994-09-26 | 1999-05-04 | Nalco Chemical Company | Method of using fluorescent tracers to monitor chlorine dioxide in pulp and paper processes |
WO1996027785A1 (en) * | 1995-03-03 | 1996-09-12 | Abbott Laboratories | Article and method for conducting chemiluminescent reaction |
US5736004A (en) * | 1995-03-03 | 1998-04-07 | Union Camp Patent Holding, Inc. | Control scheme for rapid pulp delignification and bleaching |
US6114171A (en) * | 1997-10-20 | 2000-09-05 | Westvaco Corporation | Additive management system |
US6153050A (en) * | 1998-03-24 | 2000-11-28 | Noranda Forest Inc. | Method and system for controlling the addition of bleaching reagents to obtain a substantially constant percentage of pulp delignification across the first bleaching/delignifying stage |
US6940073B1 (en) | 2002-11-08 | 2005-09-06 | Georgia Tech Research Corporation | Method for determining the concentration of hydrogen peroxide in a process stream and a spectrophotometric system for the same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3366572A (en) * | 1965-03-09 | 1968-01-30 | American Cyanamid Co | Oxidation of chemiluminescent substances |
US3539794A (en) * | 1967-09-12 | 1970-11-10 | American Cyanamid Co | Self-contained chemiluminescent lighting device |
-
1973
- 1973-10-17 SE SE7314129A patent/SE399966B/xx unknown
-
1974
- 1974-09-30 NO NO743542A patent/NO141910C/no unknown
- 1974-10-12 DE DE2448731A patent/DE2448731C3/de not_active Expired
- 1974-10-16 BR BR8594/74A patent/BR7408594A/pt unknown
- 1974-10-16 FI FI3035/74A patent/FI303574A/fi unknown
- 1974-10-16 JP JP49119838A patent/JPS5149004B2/ja not_active Expired
- 1974-10-17 US US05/515,735 patent/US3962029A/en not_active Expired - Lifetime
- 1974-10-17 CA CA211,622A patent/CA1026907A/en not_active Expired
- 1974-10-17 FR FR7434954A patent/FR2248504B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2248504B1 (xx) | 1976-10-22 |
US3962029A (en) | 1976-06-08 |
NO141910C (no) | 1980-05-28 |
NO743542L (xx) | 1975-05-12 |
JPS5149004B2 (xx) | 1976-12-24 |
FI303574A (xx) | 1975-04-18 |
DE2448731C3 (de) | 1980-04-24 |
DE2448731A1 (de) | 1975-04-30 |
NO141910B (no) | 1980-02-18 |
DE2448731B2 (de) | 1979-08-02 |
JPS5065603A (xx) | 1975-06-03 |
CA1026907A (en) | 1978-02-28 |
BR7408594A (pt) | 1976-04-27 |
SE399966B (sv) | 1978-03-06 |
FR2248504A1 (xx) | 1975-05-16 |