藻渣添加对玉米秸秆厌氧发酵特征的影响

被引：4

作者：

冯雪梅

王进

彭书传

马丁

岳正波

机构：

[1] 合肥工业大学资源与环境工程学院

来源：

环境工程学报 | 2015年 / 9卷 / 06期

基金：

安徽省自然科学基金;

关键词：

藻渣; 玉米秸秆; 混合发酵; 添加剂;

D O I：

暂无

中图分类号：

X712 [农副业];

学科分类号：

082803 [农业生物环境与能源工程];

摘要：

厌氧发酵是农业废弃物资源化的有效途径之一。将农业废弃物同其他富含氮元素的有机废物混合发酵能够有效地提高产气效率。以玉米秸秆为例,尝试利用藻渣作为添加剂,提高农业废弃物厌氧发酵的性能。实验主要研究了混合发酵比例对沼气产量、甲烷产量、沼渣沼液特征的影响。当玉米秸秆、藻渣和接种污泥的挥发性固体质量分数为10∶2∶2时,沼气产率最高可达421.0 m L/g,甲烷产率为218.7 m L/g。沼渣组分分析表明,纤维素和半纤维素降解效率分别为83.7%和68.4%,和对照相比纤维素的降解效率显著提高。结果表明,藻渣的添加能够有效地促进玉米秸秆厌氧发酵产甲烷过程。

引用

页码：2986 / 2990

页数：5

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