Many paper products like towel and tissue cannot serve their purposes without temporary wet strength Glyoxal-polyacrylamide (GPA) resin is one of the widely used commercial wet strength additives that impart the temporary wet strength to paper and paperboard products However, GPA resin is derived from petrochemicals and contributes to contaminants...
The coagulation of effluent from the kraft pulping and
papermaking process was investigated. The amount of material
coagulated from saline mixtures of the effluent is determined
as a function of time, salinity, kraft effluent
concentration, and mixture pH. Individual sources of salinity
include sea water and several different solutions of...
This study compares the requirements of three forest certification systems, the Sustainable Forestry Institute (SFI), the Forest Stewardship Council (FSC), and the International Organization for Standardization (ISO), with the 2005 McDonald-Dunn Forest Plan Revision. The analysis was done with a series of matrices comparing the requirements of SFI and FSC...
