|Table of Contents|

Study on the Physical and Chemical Properties of Several Straw Fiber(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2014年05期
Page:
691-696
Research Field:
Publishing date:

Info

Title:
Study on the Physical and Chemical Properties of Several Straw Fiber
Author(s):
LI Li-xia1; CHEN Hai-tao2; JI Wen-yi2; ZHOU Cheng3
1.Faculty of Morden Agricultural Engineering,Kunming University of Science and Technology,Kunming 650500，China；
2.Engineering College,Northeast Agricultural University,Harbin 150086,China;
3.Heilongjiang Academy of Land Reclamation Sciences,Harbin 150030,China
Keywords:
Straw; Fiber; Comprehensive utilization; Physic-chemical properties
PACS:
TST12
DOI:
10.11861/j.issn.1000-9841.2014.05.0691
Abstract:
In order to improve the additional value and the comprehensive utilization of straw.In this paper,physic-chemical properties and mechanical pulping characteristics of several kinds of straw fibers were studied.Straw fiber morphology was determined by Leica microscope,statistical analysis of the length,width and length to width ratio were studied by SPSS 17.0.The difference contrast with physic-chemical and tensile strength characteristic of straw fiber was analyzed by Design-expert 6.0.10.The results showed that 1)soybean straw fiber was thick,screening process should be used in the production.Length to width ratio of soybean straw and eggplant stalk fiber were larger,it was good for fiber fibrillation.2)Strength of fiber could be improved by hemicellulose in papermaking,and the lignin increased the brittleness of the fiber,the hemicellulose of the soybean straw fiber after processing significantly increased,cellulose and lignin content decreased significantly after the process,therefore it was suitable for processing products.Tensile strength of tobacco stalk fiber was large,there were significant differences with several other kinds of straws,due to higher cellulose content of the fibers after processing.3)The initial beating degree of straw pulp was low,beating degree increased into a power with beating time,the wet weight negatively correlated with beating time.Measure frequency of the beating degree could be reduced in production.Beating degree of soybean straw and eggplant stalk could be determined when the beating time was 150 min,tobacco stalk and cotton stalk could be measured at the beating time of 250 min.

References:

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Last Update: 2014-12-25