Yields and Heating Values of Liquids and Chars from Spruce Trunkbark Pyrolysis Submitted by Tom Miles on July 22, 2008 - 6:35pm H. A. Demirba, “Yields and Heating Values of Liquids and Chars from Spruce Trunkbark Pyrolysis”, Energy Sources, vol. 27, pp. 1367-1373, 2005.Taxonomy upgrade extras: Charcoalcalorific valueliquidspruce bark Read more about Yields and Heating Values of Liquids and Chars from Spruce Trunkbark Pyrolysis Log in to post comments Google Scholar