(William) Howard Rapson Chemical Engineering

Global authority on pulp and paper chemistry

The Story

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.

The Person

Birthdate
September 15, 1912
Birthplace
Toronto, Ontario
Date of Death
March 16, 1997
Place of Death
Toronto, Ontario
Title
Professor Emeritus of Chemical Engineering
Office
University of Toronto
Status
Deceased
Degrees
  • BASc University of Toronto, 1934
  • MASc UofT, 1935
  • PhD UofT, 1941
Awards
  • Eadie Medal from the Royal Society of Canada, 1981
  • Killam Memorial Prize from the Canada Council, 1986
Last Updated
April 14, 2011
Popularity
5811

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