| 添加蚓粪对玉米秸秆厌氧发酵产气特性的影响 |
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| 引用本文： | 邹星星,郑正,陈广银,罗艳.添加蚓粪对玉米秸秆厌氧发酵产气特性的影响[J].生态与农村环境学报,2010,26(2). |
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| 作者姓名： | 邹星星 郑正 陈广银 罗艳 |
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| 作者单位： | 南京大学环境学院污染控制与资源化研究国家重点实验室,江苏,南京,210093 |
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| 基金项目： | 江苏省科技项目(BS2007148);;南京市科技计划项目(200801072) |
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| 摘 要： | 以玉米秸秆为原料,总固体(TS)含量为50g.kg-1,采用中温35℃批式发酵,考察了添加蚓粪对玉米秸秆厌氧发酵产气的影响。结果表明:玉米秸秆单独发酵时,单位TS产气量为333.3mL.g-1,甲烷产量为202.0mL.g-1,并在反应初期出现酸化现象;蚓粪与玉米秸秆TS质量比为1:1进行发酵时,单位TS产气量为400.0mL.g-1,甲烷产量为269.6mL.g-1,相对于玉米秸秆单独厌氧发酵分别提高了20.0%和35.5%,且反应过程中未出现酸化现象。说明蚓粪适合作为玉米秸秆厌氧发酵产气的添加剂。
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| 关 键 词： | 玉米秸秆 蚓粪 添加剂 厌氧发酵 |
Effect of Addition of Vermicompost on Biogas Production of Corn Stalk Through Anaerobic Fermentation |
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| ZOU Xing-xing,ZHENG Zheng,CHEN Guang-yin,LUO Yan.Effect of Addition of Vermicompost on Biogas Production of Corn Stalk Through Anaerobic Fermentation[J].Journal of Ecology and Rural Environment,2010,26(2). |
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| Authors: | ZOU Xing-xing ZHENG Zheng CHEN Guang-yin LUO Yan |
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| Institution: | State Key Laboratory of Pollution Control and Resource Reuse/a>;School of Environment/a>;Nanjing University/a>;Nanjing 210093/a>;China |
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| Abstract: | Effect of addition of vermicompost on anaerobic digestion of corn stalk in biogas production was investigated with total solid (TS) concentration 50 g·kg~(-1) and fermentation temperature 35℃. It was found that when corn stalk was in the digester alone, the cumulative biogas yield per gram TS was 333.3 mL·g~(-1) and the cumuLative methane yield per gram TS was 202.0 mL·g~(-1), but when vermicompost was added (1 : 1 in TS mass ratio), their outputs were increased by 20. 0% and 35.5%, reaching 400. 0 and 269. 6 mL·g~(-1), respectively. Moreover, the phenomenon of acidification disappeared during the process of fermentation. All these demonstrate that vermicompost is a suitable amendment in anaerobic digestion of corn stalk for biogas production. |
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| Keywords: | corn stalk vermicompost additive anaerobic digestion |
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