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《China Pulp & Paper Industry》 2006-01
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The feasibility study of pulping and papermaking with hybridized Chinese pennisetum

XUE Chong-yun, HE Wen-ming, ZHANG Rui-ling ( China Academy of Pulping and Papermaking, Beijing 100020, China)  
The chemical composition, fibre morphology and feasibility of pulping and papermaking of hybridized Chinese pennisetum was studied in a research trial. The results show that the holocellulose content of hybridized Chinese pennisetum is 79.75%,apparently higher than that of wheat straw and the Klasson lignin content is 17.72%, with the lignin and other chemical composition lower than those of wheat straw. The fibre length and length-width ratio are higher than those of wheat straw and triploid populus tomentosa, and the thecal opening ratio is remarkably lower than that of wheat straw but slightly higher that that of triploid populus tomentosa. For the pulp made with Kraft process, the breaking length of the pulp is 7.64km and the tearing index is 6.23mN·m2/g. With the ammonium sulfite process pulping, after 50% of home- made OCC being mixed for papermaking, all the physical indices of the finished paper reached the standard requirements for the corrugated medium.
【Key Words】: hybridized Chinese pennisetum chemical composition fibre morphology pulping and papermaking
【CateGory Index】: TS749
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