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1. WO2020109660 - METHOD FOR ESTIMATING THE VAPOR PHASE CORROSION LOAD

Publication Number WO/2020/109660
Publication Date 04.06.2020
International Application No. PCT/FI2019/050842
International Filing Date 27.11.2019
IPC
G01N 33/34 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33Investigating or analysing materials by specific methods not covered by groups G01N1/-G01N31/131
34Paper
G01N 17/04 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
17Investigating resistance of materials to the weather, to corrosion or to light
04Corrosion probes
G01N 33/487 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33Investigating or analysing materials by specific methods not covered by groups G01N1/-G01N31/131
48Biological material, e.g. blood, urine; Haemocytometers
483Physical analysis of biological material
487of liquid biological material
CPC
G01N 17/04
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
17Investigating resistance of materials to the weather, to corrosion, or to light
04Corrosion probes
G01N 25/56
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
25Investigating or analyzing materials by the use of thermal means
56by investigating moisture content
G01N 33/343
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
34Paper
343paper pulp
Applicants
  • KEMIRA OYJ [FI]/[FI]
Inventors
  • KOLARI, Marko
  • JOENSUU, Iiris
Agents
  • BERGGREN OY
Priority Data
2018600527.11.2018FI
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD FOR ESTIMATING THE VAPOR PHASE CORROSION LOAD
(FR) PROCÉDÉ D'ESTIMATION DE LA CHARGE DE CORROSION EN PHASE VAPEUR
Abstract
(EN)
Method for estimating vapor phase corrosion load in a paper or board manufacturing system, method for controlling vapor phase corrosion load in a paper or board manufacturing system and an arrangement usable is those method. Said methods allow easy on-line follow up of the corrosion load and also adjusting biocide dosage.
(FR)
L'invention concerne un procédé d'estimation de la charge de corrosion en phase vapeur dans un système de fabrication de papier ou de carton, un procédé de commande de la charge de corrosion en phase vapeur dans un système de fabrication de papier ou de carton et un agencement pouvant servir pour ces procédés. Lesdits procédés permettent un suivi facile en ligne de la charge de corrosion et également un réglage du dosage de biocide.
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