Effects of different mixed ratio of maize straw and cabbage wastes on silage quality

doi:10.1166/jbmb.2015.1494

	Effects of different mixed ratio of maize straw and cabbage wastes on silage quality
	Ren, Haiwei 2,3; Xu, Na 3; Li, Jinping 2; Li, Zhizhong 3; Zhao, Tuo 3; Pei, Fangxia 3; Yao, Xingquan 3; Sun, Yongming 1
刊名	Journal of Biobased Materials and Bioenergy
	2015-02-01
卷号	9 期号:1 页码:88-94
关键词	Anaerobic digestion Biogas Cellulose Feedstocks Lactic acid Structural properties Cellulose and hemicellulose Chemical compositions Maize straw Mixed ratio Physical structures Preservation methods Properties of feedstocks Water-soluble carbohydrates
ISSN号	15566560
DOI	10.1166/jbmb.2015.1494
英文摘要	Ensiling, a wet preservation method, is an appropriate method of storing feedstock for biogas production. Fresh maize straw, contain enough water-soluble carbohydrates, is the prevailing material producing biogas, but research on preservation and storage of maize straw as feedstock for anaerobic digestion is still in its infancy. Generally in China, the free sugars are consumed, the water evaporates during wilting and field drying, giving rise to fail to achieve the demand of good-quality silage. In view of strong complementary in terms of physical structure, nutrient/moisture content of maize straw and vegetables, this paper propose a hypothesis of trans-seasonal mixed ensiling for biogas production. The objective of the current work was to evaluate effects of different mixed ratio of maize straw (MS) and cabbage wastes (CW) on silage quality, taking into account the silage quality, chemical composition and structural properties of feedstock. Mixed ensiling of maize straw and cabbage waste were prepared in 1.6-L plastic silos at 25 °C. The mixed mass ratios (MMR) of MS and CW were 19:29, 21:27, 23:25, 25:23, 27:21 and 29:19, respectively. The results show that the content of cellulose and hemicellulose after ensiling were increased, achieving the goal of seasonal storage for MS. When MMR was 27:21, that is, the moist content was 73% (MEMS73), the pH value had a minimum and the content of lactic acid was highest after mixed ensiling for 30 days. Therefore, the optimum MMR of MS and CW was 21:27 for storage of maize straw. The microtoporaghy of SEM indicated that the cracks and ruleless pores were taken on the surfaces of maize straw silage, compared to the compact lignocellulosic matrix before ensiling. The crystalline degree of cellulose was decreased after ensiling. In a word, ensiling is an appropriate feasibly storage method to preserve MS and should be considered a promising method for stable storage of biogas feedstock. Copyright © 2015 American Scientific Publishers All rights reserved.
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science
语种	英语
出版者	American Scientific Publishers
WOS记录号	WOS:000356206600017
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/112926]
专题	能源与动力工程学院生命科学与工程学院新能源学院
作者单位	1.Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, China 2.Western China Energy and Environment Research Center, Lanzhou University of Technology, Lanzhou, China; 3.School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou, China;
推荐引用方式 GB/T 7714	Ren, Haiwei,Xu, Na,Li, Jinping,et al. Effects of different mixed ratio of maize straw and cabbage wastes on silage quality[J]. Journal of Biobased Materials and Bioenergy,2015,9(1):88-94.
APA	Ren, Haiwei.,Xu, Na.,Li, Jinping.,Li, Zhizhong.,Zhao, Tuo.,...&Sun, Yongming.(2015).Effects of different mixed ratio of maize straw and cabbage wastes on silage quality.Journal of Biobased Materials and Bioenergy,9(1),88-94.
MLA	Ren, Haiwei,et al."Effects of different mixed ratio of maize straw and cabbage wastes on silage quality".Journal of Biobased Materials and Bioenergy 9.1(2015):88-94.