See the link below for the October 2007 Power Engineering article on the challenges of Biomass fuel handling (bottom of page):
http://pepei.pennnet.com/display_article/309147/6/ARTCL/none/none/1/Waste-Coal:-How-to-Avoid-Flow-Stoppages-During-Storage-and-Handling/
© 2007 Stock - Schenck Process Group
