稻草氧碱浆疏解特性的研究

doi:10.3969/j.issn.0253-2417.2016.05.016

林产化学与工业 ›› 2016, Vol. 36 ›› Issue (5): 107-112.doi: 10.3969/j.issn.0253-2417.2016.05.016

稻草氧碱浆疏解特性的研究

邵思成, 吴初柱, 陈克利

昆明理工大学化学工程学院, 云南昆明 650500

收稿日期:2015-11-03 出版日期:2016-10-25 发布日期:2016-11-05
通讯作者: 陈克利,教授,博士生导师,主要从事清洁制浆技术、生物质转化与利用研究;E-mail:chenkelikami@163.com。 E-mail:chenkelikami@163.com
作者简介:邵思成(1990-),男,安徽亳州人,硕士生,主要从事制浆新技术与过程产物利用研究
基金资助:
国家自然科学基金资助项目（51363013）

Deflaking Characteristics of Rice Straw Alkali-oxygen Pulp

SHAO Si-cheng, WU Chu-zhu, CHEN Ke-li

Chemical Engineering College, Kunming University of Science and Technology, Kunming 650500, China

Received:2015-11-03 Online:2016-10-25 Published:2016-11-05

摘要/Abstract

摘要： 对稻草经氧碱蒸煮后进行疏解，研究疏解对稻草氧碱浆滤水性能的影响，并分析纤维质量、浆中灰分及硅含量的变化。结果表明：去除杂细胞后浆料的打浆度能降低近10°SR，疏解对浆料滤水性能的下降作用明显，同时疏解对纤维细胞的变形作用影响了浆料的打浆度，而杂细胞的存在与否对疏解浆料的打浆度影响不明显。与除杂浆料相比，未除杂浆料在疏解过程中细小纤维组分增加3.7个百分点，未除杂浆的扭结指数、卷曲指数、纤维宽度以及所含灰分中的硅含量随疏解而下降。

关键词: 稻草氧碱浆, 杂细胞, 滤水性能, 疏解, 灰分, 硅

Abstract: The effects of deflaking on the drainability, fiber morphology as well as the ash and silica contents of rice straw alkali-oxygen pulp were investigated. The results indicated that the beating degree of the pulp without non-fibrous cells fell around 10°SR. Deflaking played a negative role in the drainability of the pulp. However, the development trend of the beating degree originated from deflaking depended marginally on non-fibrous cells, but greatly on pulp fibers. This resulted from the fibrous deformation sensitive to deflaking. On the other hand, it was found that owing to the presence of a large quantity of non-fibrous cells, the deflaking could increase the content of fines component in the straw pulp with non-fibrous cells markedly by 3.7 percentage points. Also, it presented an ever-decreasing tendency in terms of kink index, curl index, width and silica proportion in its ash. This was opposite to the behavior of the pulp without non-fibrous cells.

Key words: rice straw alkali-oxygen pulp, non-fibrous cells, drainability, deflaking, ash, silica

中图分类号:

TQ35

邵思成, 吴初柱, 陈克利. 稻草氧碱浆疏解特性的研究[J]. 林产化学与工业, 2016, 36(5): 107-112.

SHAO Si-cheng, WU Chu-zhu, CHEN Ke-li. Deflaking Characteristics of Rice Straw Alkali-oxygen Pulp[J]. Chemistry and Industry of Forest Products, 2016, 36(5): 107-112.

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稻草氧碱浆疏解特性的研究

Deflaking Characteristics of Rice Straw Alkali-oxygen Pulp

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