Patents / Patent Applications Ron Zevenhoven

last update: August, 2014

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Zevenhoven, R. Finnish patent 117574 (30.11.2006; protection 2.6.2000 + 20 years)
"Method and apparatus for combustion of waste and the recovery of energy from waste"
"Menetelmä ja laitteisto jätteen polttoa varten sekä jätteen käyttö energian tuottamiseksi"
Based on two-stage combustion of PVC-containing wastes with HCl recovery.

Zevenhoven, R., PCT/EP01/06334 "Method and apparatus for the combustion of waste, in particular PVC-containing waste"
Filed June 4, 2001; approved July 23, 2002

Teir, S., Eloneva, S., Revitzer, H., Zevenhoven, R., Salminen, J., Fogelholm, C.-J., Pöyliö, E.,

Finnish patent 122348 (granted 15.12.2011)

“Method for producing pure calcite-type calcium carbonate from iron- and steelmaking slags”

Aalto University, Rautaruukki Oyj, Åbo Akademi University

Teir, S., Eloneva, S., Revitzer, H., Zevenhoven, R., Salminen, J., Fogelholm, C.-J., Pöyliö, E.,

US patent 8,603,428 (granted 10.12.2013)

“Method for producing pure calcite-type calcium carbonate from iron- and steelmaking slags”

Aalto University, Rautaruukki Oyj, Åbo Akademi University

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