| 餐厨垃圾厌氧干发酵产甲烷试验研究 |
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| 引用本文： | 王彦玲,董志颖,樊星,王大龙. 餐厨垃圾厌氧干发酵产甲烷试验研究[J]. 宁波大学学报(理工版), 2020, 33(6): 59-63 |
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| 作者姓名： | 王彦玲 董志颖 樊星 王大龙 |
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| 作者单位： | 1.宁波大学 校园规划与建设处, 浙江 宁波 315211; 2.宁波大学 土木与环境工程学院, 浙江 宁波 315211; 3.宁波市城市基础设施建设发展中心, 浙江 宁波 315040; 4.宁波大学科学技术学院, 浙江 宁波 315300 |
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| 基金项目： | 住房和城乡建设部科学技术计划项目;浙江省自然科学基金;宁波市科技局项目 |
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| 摘 要： | 为了探索餐厨垃圾高温干发酵的稳定性运行条件, 采用经三相分离后的餐厨垃圾为原料, 发酵罐污泥为接种污泥, 在高温干式条件下开展连续厌氧发酵产甲烷试验研究. 结果表明, 餐厨垃圾厌氧发酵产甲烷的最佳容积负荷为·(m3·d)-1, 容积产气率为·(m3·d)-1, 原料产气率为·(kg·d)-1, 甲烷体积分数为52.82%. 该厌氧干发酵产甲烷工艺可实现高温度、高含固率且高负荷条件下的稳定运行.
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| 关 键 词： | 餐厨垃圾 干式 高温 厌氧发酵 |
Experimental study on anaerobic fermentation and methane production from kitchen waste with high solid content |
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| WANG Yanling1,DONG Zhiying2,FAN Xing3,WANG Dalong4. Experimental study on anaerobic fermentation and methane production from kitchen waste with high solid content[J]. Journal of Ningbo University(Natural Science and Engineering Edition), 2020, 33(6): 59-63 |
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| Authors: | WANG Yanling1 DONG Zhiying2 FAN Xing3 WANG Dalong4 |
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| Affiliation: | 1.Department of Campus Planning & Construction, Ningbo University, Ningbo 315211, China; 2.School of Civil and Environmental Engineering, Ningbo University, Ningbo 315211, China; 3.Ningbo City Infrastructure Construction & Development Center, Ningbo 315040, China; 4.College of Science and Technology of Ningbo University, Ningbo 315300, China |
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| Abstract: | The operational stability of anaerobic thermophilic fermentation with high solid content (TS>20%) is examined by utilizing kitchen waste treated as fermented raw material and fermenting tank sludge as inoculation sludge．Experimental study on methane production with continuous anaerobic fermentation is conducted. It indicates that the maximum organic loading rates of the methanogenic reactor read ·(m3·d)-1. Under this condition, biogas production is found to be ·(kg·d)-1, and the gas production rate of average volume reaches ·(m3·d)-1, with average methane concentration being 52.82%. The results show that anaerobic fermentation and methane production from kitchen waste with high solid content can be achieved at a high organic loading rate. |
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| Keywords: | kitchen waste high solid content thermophilic anaerobic fermentation |
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