Valkama, Jukka ; Villforth, Klaus ; Schabel, Samuel (2005):
An Approach for Modeling and Optimizing of Industrial Fine Screening Processes.
pp. 1-24, Model Validation Workshop, Espoo, Oct. 6th, 2005, [Conference or Workshop Item]

Putz, Hans-Joachim ; Valkama, Jukka (2005):
Deinkability Results from Digital Prints (Ink Jet Prints and Electrophotography).
In: Scientific Report,
Grenoble, 2nd COST Meeting Deinking E46, Grenoble, 2 - 3 June, 2005, [Conference or Workshop Item]

Valkama, Jukka ; Villforth, Klaus ; Schabel, Samuel (2005):
Optimization of Industrial Fine Screening Processes - Removal of Stickies.
Model Validation Workshop, Espoo, October 6th, 2005, [Conference or Workshop Item]

Valkama, Jukka ; Putz, Hans-Joachim (2004):
Erarbeitung eines Analysewerkzeugs für Altpapier verarbeitende Papierfabriken zur objektiven Bewertung der Grenzen der Stickyabtrennung durch Sortierprozesse : AiF-Projekt Nr. 13990.
In: Sitzung der projektbegleitenden Ausschüsse, Darmstadt, [Conference or Workshop Item]

Valkama, Jukka ; Putz, Hans-Joachim (2004):
Overview to outgoing projects (Working group 3: Printing Technology and Deinking).
pp. 1-38, Cost E46 Meeting, München, 16.-17.11.2004, [Conference or Workshop Item]

Valkama, Jukka ; Putz, Hans-Joachim ; Schabel, Samuel ; Friedrich, T. (2003):
Sticky removal from recycled pulp by enzymatic treatment with lipases.
International Student's Seminar on Chemistry and Technology of Wood, Pulp, and Paper, Brno, May 22, 2003, [Conference or Workshop Item]