Abstract: The process for producing hydrogen peroxide, used in the bleaching of pulp, uses the hydrogen generated wholly or partly by the gasification or partial combustion of cellulose spent liquors used in digesting cellulose material to produce the hydrogen peroxide.
Type:
Grant
Filed:
April 10, 1995
Date of Patent:
May 13, 1997
Assignee:
Kanyr AB
Inventors:
Ake Backlund, Lars Stigsson, Ove Wallergard