FI117770B - Menetelmä orgaanisten aineiden pitoisuuden määrittämiseksi massa- ja paperitehtaiden poistovesissä - Google Patents
Menetelmä orgaanisten aineiden pitoisuuden määrittämiseksi massa- ja paperitehtaiden poistovesissä Download PDFInfo
- Publication number
- FI117770B FI117770B FI971475A FI971475A FI117770B FI 117770 B FI117770 B FI 117770B FI 971475 A FI971475 A FI 971475A FI 971475 A FI971475 A FI 971475A FI 117770 B FI117770 B FI 117770B
- Authority
- FI
- Finland
- Prior art keywords
- effluent
- pulp
- paper
- quantitatively
- spectral information
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 75
- 239000011368 organic material Substances 0.000 title description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 230000003595 spectral effect Effects 0.000 claims description 32
- 239000005416 organic matter Substances 0.000 claims description 21
- 238000004061 bleaching Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 229920005610 lignin Polymers 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000011161 development Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- 238000000862 absorption spectrum Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- 238000012549 training Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007405 data analysis Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000000985 reflectance spectrum Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 150000001720 carbohydrates Chemical class 0.000 claims description 2
- 235000014633 carbohydrates Nutrition 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000000411 transmission spectrum Methods 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- 238000000149 argon plasma sintering Methods 0.000 claims 1
- 238000001069 Raman spectroscopy Methods 0.000 abstract description 4
- 238000012569 chemometric method Methods 0.000 abstract description 4
- 238000001228 spectrum Methods 0.000 description 29
- 238000005259 measurement Methods 0.000 description 11
- 238000000513 principal component analysis Methods 0.000 description 10
- 238000012628 principal component regression Methods 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 5
- 238000000491 multivariate analysis Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000012630 chemometric algorithm Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 238000000295 emission spectrum Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000010238 partial least squares regression Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004611 spectroscopical analysis Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 238000004076 pulp bleaching Methods 0.000 description 2
- 238000007430 reference method Methods 0.000 description 2
- 238000000611 regression analysis Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 239000001692 EU approved anti-caking agent Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 238000012369 In process control Methods 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 125000000837 carbohydrate group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- -1 pH adjusters Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- G01N33/343—Paper pulp
-
- 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
-
- 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
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
-
- 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
- G01N33/18—Water
- G01N33/1826—Organic contamination in water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Paper (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9403520 | 1994-10-14 | ||
| SE9403520A SE503644C2 (sv) | 1994-10-14 | 1994-10-14 | Sätt att bestämma halten organiskt material i effluenter från massa- och pappersbruk |
| EP9504030 | 1995-10-10 | ||
| PCT/EP1995/004030 WO1996012183A1 (fr) | 1994-10-14 | 1995-10-10 | Procede de determination de la teneur organique d'effluents provenant de fabriques de pate et de papier |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI971475A0 FI971475A0 (fi) | 1997-04-09 |
| FI971475A FI971475A (fi) | 1997-04-09 |
| FI117770B true FI117770B (fi) | 2007-02-15 |
Family
ID=20395622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI971475A FI117770B (fi) | 1994-10-14 | 1997-04-09 | Menetelmä orgaanisten aineiden pitoisuuden määrittämiseksi massa- ja paperitehtaiden poistovesissä |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5842150A (fr) |
| EP (1) | EP0786082B1 (fr) |
| AT (1) | ATE189062T1 (fr) |
| AU (1) | AU3841995A (fr) |
| CA (1) | CA2202165C (fr) |
| DE (1) | DE69514673D1 (fr) |
| FI (1) | FI117770B (fr) |
| NO (1) | NO317398B1 (fr) |
| PT (1) | PT786082E (fr) |
| SE (1) | SE503644C2 (fr) |
| WO (1) | WO1996012183A1 (fr) |
| ZA (1) | ZA958667B (fr) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE203157T1 (de) * | 1996-12-20 | 2001-08-15 | Alza Corp | Injizierbare depotgelzubereitung und herstellungsverfahren |
| DE19653530C1 (de) * | 1996-12-20 | 1998-07-23 | Siemens Ag | Verfahren und Vorrichtung zur Prozeßführung und zur Prozeßoptimierung bei 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 |
| US6710871B1 (en) * | 1997-06-09 | 2004-03-23 | Guava Technologies, Inc. | Method and apparatus for detecting microparticles in fluid samples |
| US6474354B2 (en) * | 1997-09-18 | 2002-11-05 | Alberta Research Council Inc. | On-line sensor for colloidal substances |
| US6114699A (en) * | 1997-11-26 | 2000-09-05 | The United States Of America As Represented By The Secretary Of Agriculture | Prediction of total dietary fiber in cereal products using near-infrared reflectance spectroscopy |
| 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 |
| US20040072143A1 (en) * | 1998-06-01 | 2004-04-15 | Weyerhaeuser Company | Methods for classification of somatic embryos |
| BRPI9910853B1 (pt) * | 1998-06-01 | 2017-02-14 | Weyerhaeuser Co | processo para classificar a qualidade de embriões de plantas |
| DE19850825C2 (de) * | 1998-11-04 | 2001-05-23 | Siemens Ag | Verfahren und Vorrichtung zur Messung der Qualitätseigenschaften von Papier und/oder Pappe an laufenden Materialbahnen |
| US6647343B1 (en) * | 1999-04-29 | 2003-11-11 | Agilent Technologies, Inc. | Temporal profile analysis of mass data in a mass sensor system |
| DE60018208T2 (de) * | 1999-12-23 | 2006-01-12 | Pulp And Paper Research Institute Of Canada | Bestimmung der kappa-nummer in chemischem zellstoff durch ramanspektroskopie |
| US6551451B2 (en) | 1999-12-23 | 2003-04-22 | Pulp And Paper Research Institute Of Canada | Method for determining liquid content in chemical pulps using ramen spectrometry |
| US20030211974A1 (en) * | 2000-03-21 | 2003-11-13 | Brodbeck Kevin J. | Gel composition and methods |
| EP1297320B1 (fr) | 2000-06-27 | 2008-02-27 | Alberta Research Council | Spectrophotometre a longueurs de trajectoire multiples |
| US6744500B2 (en) | 2001-10-23 | 2004-06-01 | Stora Enso North America Corporation | Identification of material inclusions in pulp and paper using Raman spectroscopy |
| US20040111274A1 (en) * | 2002-01-14 | 2004-06-10 | Tak Industrial Corporation | System and method for deploying a virtual laboratory environment for a business |
| US7068817B2 (en) * | 2002-11-07 | 2006-06-27 | Mcmaster University | Method for on-line machine vision measurement, monitoring and control of product features during on-line manufacturing processes |
| US7228658B2 (en) * | 2003-08-27 | 2007-06-12 | Weyerhaeuser Company | Method of attaching an end seal to manufactured seeds |
| US8691575B2 (en) * | 2003-09-30 | 2014-04-08 | Weyerhaeuser Nr Company | General method of classifying plant embryos using a generalized Lorenz-Bayes classifier |
| JP4377197B2 (ja) * | 2003-10-22 | 2009-12-02 | 株式会社タニタ | 残留塩素計 |
| US7555865B2 (en) * | 2003-11-25 | 2009-07-07 | Weyerhaeuser Nr Company | Method and system of manufacturing artificial seed coats |
| US20050108935A1 (en) * | 2003-11-25 | 2005-05-26 | Edwin Hirahara | Method and system of manufacturing artificial seed coats |
| CA2484533C (fr) * | 2003-11-25 | 2008-12-02 | Weyerhaeuser Company | Systemes et methodes d'administration d'embryon pour graines fabriquees |
| US20050108929A1 (en) * | 2003-11-25 | 2005-05-26 | Edwin Hirahara | Method and system for creating manufactured seeds |
| CA2486289C (fr) | 2003-11-25 | 2008-01-08 | Weyerhaeuser Company | Embout ferme et dispositif de blocage combines |
| CA2486311C (fr) | 2003-11-26 | 2008-08-12 | Weyerhaeuser Company | Dispositif de ramassage sous vide a degagement mecanique |
| US7356965B2 (en) * | 2003-12-11 | 2008-04-15 | Weyerhaeuser Co. | Multi-embryo manufactured seed |
| US7591287B2 (en) * | 2003-12-18 | 2009-09-22 | Weyerhaeuser Nr Company | System and method for filling a seedcoat with a liquid to a selected level |
| US7568309B2 (en) * | 2004-06-30 | 2009-08-04 | Weyerhaeuser Nr Company | Method and system for producing manufactured seeds |
| WO2006007683A1 (fr) * | 2004-07-21 | 2006-01-26 | Tembec Industries Inc. | Procede et dispositif destines a deriver des informations a partir d'une liqueur obtenue pendant une reaction de digestion du bois |
| CA2518279A1 (fr) * | 2004-09-27 | 2006-03-27 | Weyerhaeuser Company | Semence artificielle avec enrobage d'extremite scellee vivante |
| CA2518166C (fr) * | 2004-09-27 | 2012-02-21 | Weyerhaeuser Company | Semence artificielle avec extremite scellee vivante |
| JP4375202B2 (ja) * | 2004-11-05 | 2009-12-02 | 株式会社島津製作所 | Ｃｏｄ測定方法及び装置。 |
| US7547488B2 (en) * | 2004-12-15 | 2009-06-16 | Weyerhaeuser Nr Company | Oriented strand board panel having improved strand alignment and a method for making the same |
| US7654037B2 (en) * | 2005-06-30 | 2010-02-02 | Weyerhaeuser Nr Company | Method to improve plant somatic embryo germination from manufactured seed |
| US7663757B2 (en) * | 2006-09-27 | 2010-02-16 | Alberta Research Council Inc. | Apparatus and method for obtaining a reflectance property indication of a sample |
| DE102006050202B4 (de) * | 2006-10-06 | 2008-10-23 | J & M Analytische Mess- Und Regeltechnik Gmbh | Verfahren zur Linearisierung von Streulichtmessungen |
| CN101329252B (zh) * | 2007-06-18 | 2010-09-08 | 北京安控科技股份有限公司 | 化学需氧量检测方法 |
| US8744775B2 (en) * | 2007-12-28 | 2014-06-03 | Weyerhaeuser Nr Company | Methods for classification of somatic embryos comprising hyperspectral line imaging |
| SE537725C2 (sv) | 2013-04-02 | 2015-10-06 | Btg Instr Ab | Metod för bestämning av egenskaper hos heterogena media |
| WO2016090455A1 (fr) | 2014-12-12 | 2016-06-16 | Canfor Pulp Ltd | Procédé et appareil de commande de processus de pâte cellulosique |
| FI130301B (en) * | 2015-01-30 | 2023-06-09 | Metsae Fibre Oy | Monitoring of the chemical load on waste water in an industrial process |
| CN106644969A (zh) * | 2016-09-19 | 2017-05-10 | 华南理工大学 | 一种原位测定化学浆冷碱浸渍过程碳水化合物溶出量方法 |
| CN107515633B (zh) * | 2017-09-07 | 2020-04-21 | 长沙理工大学 | 一种单酶法生产海藻糖的监控方法 |
| CN116297280B (zh) * | 2023-05-22 | 2023-08-01 | 成都博瑞科传科技有限公司 | 基于阵列光谱的水中有机物的uvcod系数检测方法及传感器 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1277110C (fr) * | 1986-05-07 | 1990-12-04 | Rudolf Patt | Methode de contro le de la cuisson des lignocelluloses par spectroscopie aux irtf |
| EP0344694A3 (fr) * | 1988-05-31 | 1991-02-06 | Hercules Incorporated | Procédé pour surveiller et régler la rétention de produits chimiques dans une matrice traitée à l'eau et à la cellulose |
| US5121337A (en) * | 1990-10-15 | 1992-06-09 | Exxon Research And Engineering Company | Method for correcting spectral data for data due to the spectral measurement process itself and estimating unknown property and/or composition data of a sample using such method |
| FI92742C (fi) * | 1991-04-08 | 1994-12-27 | Keskuslaboratorio | Paperikoneen märkäosakemian häiriöiden diagnostointi |
| US5242602A (en) * | 1992-03-04 | 1993-09-07 | W. R. Grace & Co.-Conn. | Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics |
| US5282931A (en) * | 1992-07-08 | 1994-02-01 | Pulp And Paper Research Institute Of Canada | Determination and control of effective alkali in kraft liquors by IR spectroscopy |
| JP3121917B2 (ja) * | 1992-07-08 | 2001-01-09 | 住友重機械工業株式会社 | オゾンによるパルプ漂白方法 |
| US5470480A (en) * | 1994-05-09 | 1995-11-28 | Eka Nobel, Inc. | Process for treating waste water effluent |
| SE9401718L (sv) * | 1994-05-18 | 1995-11-19 | Eka Nobel Ab | Sätt att bestämma parametrarna i papper |
-
1994
- 1994-10-14 SE SE9403520A patent/SE503644C2/sv unknown
-
1995
- 1995-10-10 EP EP95936485A patent/EP0786082B1/fr not_active Expired - Lifetime
- 1995-10-10 PT PT95936485T patent/PT786082E/pt unknown
- 1995-10-10 DE DE69514673T patent/DE69514673D1/de not_active Expired - Lifetime
- 1995-10-10 AU AU38419/95A patent/AU3841995A/en not_active Abandoned
- 1995-10-10 AT AT95936485T patent/ATE189062T1/de not_active IP Right Cessation
- 1995-10-10 CA CA002202165A patent/CA2202165C/fr not_active Expired - Fee Related
- 1995-10-10 US US08/817,359 patent/US5842150A/en not_active Expired - Lifetime
- 1995-10-10 WO PCT/EP1995/004030 patent/WO1996012183A1/fr active IP Right Grant
- 1995-10-13 ZA ZA958667A patent/ZA958667B/xx unknown
-
1997
- 1997-04-09 FI FI971475A patent/FI117770B/fi not_active IP Right Cessation
- 1997-04-09 NO NO19971620A patent/NO317398B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0786082A1 (fr) | 1997-07-30 |
| US5842150A (en) | 1998-11-24 |
| CA2202165C (fr) | 2002-10-01 |
| AU3841995A (en) | 1996-05-06 |
| ZA958667B (en) | 1996-05-22 |
| PT786082E (pt) | 2000-06-30 |
| NO971620D0 (no) | 1997-04-09 |
| DE69514673D1 (de) | 2000-02-24 |
| SE503644C2 (sv) | 1996-07-22 |
| SE9403520D0 (sv) | 1994-10-14 |
| NO971620L (no) | 1997-04-09 |
| ATE189062T1 (de) | 2000-02-15 |
| FI971475A0 (fi) | 1997-04-09 |
| WO1996012183A1 (fr) | 1996-04-25 |
| FI971475A (fi) | 1997-04-09 |
| NO317398B1 (no) | 2004-10-25 |
| CA2202165A1 (fr) | 1996-04-25 |
| SE9403520L (sv) | 1996-04-15 |
| EP0786082B1 (fr) | 2000-01-19 |
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