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| Pilot Enzymatic Treatment of Corrugating Medium |
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| DOI：10.11980/j.issn.0254-508X.2011.03.002 |
| Key Words:laccase OCC pulp corrugating medium ring crush index WRV |
| Fund Project:本课题由以下项目提供资金支持：国家863项目（2007AA03Z433）；广东省重点科技攻关项目（2008A030202008）；广东省科技计划项目（2008B030302035）。 |
| Author Name | Affiliation | | 万金泉1,2 | 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.华南理工大学环境科学与工程学院,广东广州,510006 | | 杨 静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 | | 马邕文1,2 | 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.华南理工大学环境科学与工程学院,广东广州,510006 | | 王 艳2 | 2.华南理工大学环境科学与工程学院,广东广州,510006 | | 郭文杰2 | 2.华南理工大学环境科学与工程学院,广东广州,510006 |
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| Abstract:In this paper, the influence of laccase-histidine on OCC fiber proterties was studied both in laboratory and mill. The laboratory results showed that when the amounts of laccase and histidine were 0.90 U/g and 1.0% respectively. The dry and wet ring crush index of papersheet increased by 22.9% and 30.3% compared with the control sample. Furthermore, the pilot test results also showed that when the amounts of laccase and histidine were 0.225 U/g and 0.10% (on oven dried pulp), the dry and wet ring crush index of papersheet increased by 14.9% and 26.4%, the longitudinal and cross tensile index increased by 8.0% and 10.7%, and brusting index increased by 16.4%, correspondingly. Besides, fibrillation was greatly developed and water retention value (WRV) increased by 37.5%. At the same time, the average pore size of fiber wall, specific surface area and carboxy group content increased by 1.1%, 5.1% and 35.4% respectively. |
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