3142 Chapter 25 



whole-tree chips (mainly oak) stored in an outside pile was approximately three 

 times that for clean debarked chips. Weight loss, and changes in temperature, 

 moisture content, heat of combustion, and pH are all manifestations of incom- 

 pletely understood reactions within piles of whole-tree chips. For a discussion of 

 these factors see figures 11-21 through 11-24 and related text. 



For a summary of effects on the pulping process of including bark with wood 

 of hardwood chips to be pulped, see section 13-18 INDUSTRIAL UTILIZA- 

 TION, under the subsection PAPER; also see table 13-48. 



