Int. Chemical Recovery Conference, Tampa, Florida 1998: Poster: Analytical methods for determination of metals, silicon and phosphorous in kraft pulp mill samples.
ABTCP-PI Conference ( Associacao Brasileira Tecnica de Celulose e Papel and Paperi-insinööriyhdistys), Sao Paulo, Brazil, 2005: Fördedrag, Calcium carbonate scaling in black liquor evaporation.
Int. Chemical Recovery Conference, Quebec, Kanada, 2007: Föredrag, Calcium carbonate scaling in black liquor evaporation.