Wisconsin Corn Stover - Part 1 Chemical Composition, 2002 Fall Technical Conference

Current environmental and social pressures are limiting wood harvest volumes from U.S. public forestland. These restrictions represent a significant fiber substitution opportunity. In the Midwest, large quantities of corn stover (corn stalks) are produced as a by-product of the cereal grain industry. This potential papermaking raw material varies in both variety and its growing conditions. Such differences have led to variations in chemical composition and fiber morphology in the corn stover and resulting pulp. The focus of this study was to examine the properties of Wisconsin corn stover.

Like other agricultural residues, Wisconsin corn stover had a higher mineral content than wood chips. The potassium was present in highest concentration at the area of the grain. Silica had the highest percentage towards the top of the plant. Within the plant, the highest concentration of cellulose occurred at the internodal section. The internodal section also tended to have the lowest silica and potassium contents making the internodal sections the most promising for papermaking. By comparison with internodal wheat straw and literature values for corn, Wisconsin corn stover shows promise as an additional papermaking raw material.

Author: Hess, J.A., Olson, A.E., Jacobs, R.S.
Wisconsin Corn Stover - Part 1 Chemical Composition, 2002 Fa
Wisconsin Corn Stover - Part 1 Chemical Composition, 2002 Fall Technical Conference
35.00

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