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| Oxalate Formation during Bamboo Alkaline Pulping |
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| DOI：10.11981/j.issn.1000-6842.2017.02.7 |
| Key Words:bamboo; alkaline pulping; oxalate; mathematical model |
| Fund Project:制浆造纸工程国家重点实验室资助的自主研究项目（2016C05）；广东省科技计划项目（2016A020221010）；国家自然科学基金（31370585，31670586）；中央高校基本科研业务费专项资金项目（2015ZZ048）。 |
| Author Name | Affiliation | | 李海龙 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 葛淑娟 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 张春辉 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 刘梦茹 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 詹怀宇 | 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: |
| In this paper, the effects of processing conditions on the oxalate formation during bamboo alkaline pulping were investigated and the relationship between the oxalate formation and the Kappa number of the pulp was also revealed. The results showed that the oxalate content gradually increased with the increasing of cooking temperature, alkali dosage and solid to liquor ratio. While the alkali dosage exceeded 21%, there was no change of oxalate formation even alkali dosage increased continuously. Further, according to the relationship of oxalate formation and H-factor and alkali dosage, a mathematical model was constructed to predict the oxalate content during bamboo alkaline pulp-ing. The model had relatively high accuracy, which could be utilized to predict the oxalate formation during the bamboo alkaline pulping. |
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