| 硝酸乙醇法测定纤维素含量 |
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| 引用本文： | 王林风,程远超.硝酸乙醇法测定纤维素含量[J].化学研究,2011,22(4):52-55,71. |
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| 作者姓名： | 王林风 程远超 |
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| 作者单位： | 河南天冠企业集团有限公司车用生物燃料技术国家重点实验室,河南南阳,473000 |
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| 基金项目： | 国家高技术研究发展(863)计划项目(2008AA10Z338-02) |
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| 摘 要： | 根据秸秆乙醇的工艺特点,对硝酸乙醇法测定玉米秸秆、小麦秸秆、稻草及其预处理后物料的纤维素含量进行了研究.优化了粉碎时长、硝酸-乙醇混合液处理遍数、试样粒度及抽滤漏斗孔径四个参数.确定了优化后的测定方法:秸秆试样粉碎时长15 s,硝酸-乙醇混合液处理4遍,粒度40～60目,使用G2玻璃砂芯漏斗.秸秆预处理后物料试样粉碎时...
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| 关 键 词： | 秸秆乙醇 纤维素含量 硝酸乙醇法 粒度 孔径 |
Determination the content of cellulose by nitric acid-ethanol method |
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| WANG Lin-feng,CHENG Yuan-chao.Determination the content of cellulose by nitric acid-ethanol method[J].Chemical Research,2011,22(4):52-55,71. |
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| Authors: | WANG Lin-feng CHENG Yuan-chao |
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| Institution: | WANG Lin-feng,CHENG Yuan-chao(State Key Laboratory of Motor Vehicle Biofuel Technology,Henan Tianguan Group Co.,Ltd.,Nanyang 473000,Henan,China) |
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| Abstract: | The contents of cellulose of corn stalk,wheat straw,rice straw and the pretreated sample of straws have been researched by nitric acid-ethanol methodology according to the characteristics of straws biofuel ethanol.Four parameters as the duration of comminuting sample,the times of treating sample by nitric acid-ethanol liquid mixture,the particle size of sample and the aperture of tundish for sucking filtration have been optimized.The optimized pevrameters: for straw sample,comminut 15 s,treat by nitric acid... |
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| Keywords: | straw biofuel ethanol the contents of cellulose nitric acid-ethanol measure particle size aperture |
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