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Dive into the research topics where Tapio Tirri is active.

Publication


Featured researches published by Tapio Tirri.


Archive | 2002

Method in the bleaching of pulp and a device for the bleaching of pulp

Tapio Tirri; Olli Dahl; Taisto Tienvieri; Jouko H. Lehto


Appita Journal | 2008

Refractive Index Measurements for Brown Stock Washing Loss - Laboratory Investigations

Riku Kopra; Tapio Tirri; Olli Dahl


Appita Journal | 2010

Optimization of Pressure Filter Performance by Refractometer - Mill Investigations

Riku Kopra; Simo Karjalainen; Tapio Tirri; Olli Dahl


Archive | 2001

Method and apparatus for regulating a peroxide bleaching process

Tapio Tirri; Olli Dahl; Taisto Tienvieri; Jouko H. Lehto


O Papel: revista mensal de tecnologia em celulose e papel | 2013

MONITORING OF ACTIVATED SLUDGE PLANT STREAMS USING ONLINE REFRACTOMETERS AND CONDUCTIVITY ANALYSERS

Riku Kopra; Sakari Toivakainen; Tapio Tirri; Olli Dahl


Archive | 2013

Studies on wastewater treatment plant performance measurements

Riku Kopra; Sakari Toivakainen; Tapio Tirri; Timo Laukkanen; Olli Dahl


O papel | 2012

Improving brown stock washing by on-line measurement - mill investigations

Riku Kopra; Erkki Kari; Marko Harinen; Tapio Tirri; Olli Dahl


Tappi Journal | 2011

Optimization of wash water usage in brown stock washing

Riku Kopra; Erkki Kari; Marko Harinen; Tapio Tirri; Olli Dahl


Appita Journal | 2011

Optimisation of pressure filter performance using refractometer measurements - Mill investigations

Riku Kopra; Simo Karjalainen; Tapio Tirri; Olli Dahl


65th Appita Annual Conference and Exhibition, Rotorua New Zealand 10-13 April 2011: Conference Technical Papers | 2011

Refractometer and Its Ability to Measure Dissolved Dry Solids at Low Concentrations

Riku Kopra; Tapio Tirri; Olli Dahl

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Riku Kopra

Mikkeli University of Applied Sciences

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