Global authority on pulp and paper chemistry
Rapson was educated at the University of Toronto (BASc, 1934; MASc, 1935; PhD, 1941). He became an expert in pulp and paper chemistry which involves the manufacture and purification of wood pulp and cellulose for making paper. His particular specialty was in the use of chlorite ion (ClO2- ) pulping and bleaching which he developed during World War II when the usual pulping agent, sulfuric acid, was in short supply. He holds 33 patents in 45 countries and has received numerous awards.
Sources: Canadian Who’s Who 1993, personal communication; photo from Pulp and Paper Technical Association of Canada.
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