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| Study on the Mixture Pulping of Hardwood and Non-wood Materials |
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| DOI：10.11981/j.issn.1000-6842.2015.02.18 |
| Key Words:non-wood； hardwood； kraft pulping; elemental chlorine free bleaching |
| Fund Project:国家自然科学基金(No.21406079)；中央高校基本科研业务经费项目(No.2014ZM0065)；制浆造纸科学与技术教育部实验室基金(No.KF2012001)；山东省博士后创新基金项目(No.201302008)。 |
| Author Name | Affiliation | | 张春辉1,2,3,* | 1.华南理工大学制浆造纸工程国家重点实验室,广东广州,510640；2.齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南, 250353； 3.华泰集团有限公司,山东东营, 257335 | | 付时雨1 | 1.华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 刘 玉2 | 2.齐鲁工业大学制浆造纸科学与技术教育部重点实验室,山东济南, 250353 | | 张凤山3 | 3.华泰集团有限公司,山东东营, 257335 | | 詹怀宇1 | 1.华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 |
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| Abstract: |
| The pulping of the mixture of non-wood materials and hardwoods was investigated in the paper.Three non-wood materials,miscanthus,switchgrass and corn stover were partially substituted for poplar wood chips and the mixture was subjected to typical kraft pulping experiments.The pulp was then bleached with an OD(EP)D sequence.The bleached pulp was refined and formed into handsheets to characterize their physical properties.The results showed that all pulps produced from the mixture raw materials had improved strength properties compared with the poplar pulp.Carbohydrate analysis of the pulps indicated that the strength increase was correlated with enriched xylan content in the pulp.Based on these results,cooking of hardwood mixing certain amount of non-wood materials contained high xylan content could produce high quality pulp. |
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