餐厨垃圾协同市政污泥厌氧产氢产甲烷研究
PDF下载 (12106)石志华,李 兵,岳 远,董志颖,徐 超.餐厨垃圾协同市政污泥厌氧产氢产甲烷研究[J].宁波大学学报(理工版),2020,33(6):64-69.DOI:
Shi Zhihua,Li Bing,Yue Yuan,Dong Zhiying,Xu Chao.Anaerobic hydrogen and methane production from kitchen waste and municipal sewage sludge[J].Journal of Ningbo University(Natural Science & Engineering Edition),2020,33(6):64-69.DOI:
| Title: | Anaerobic hydrogen and methane production from kitchen waste and municipal sewage sludge |
| 作者: | 石志华, 李 兵, 岳 远, 董志颖, 徐 超 |
| Author(s): | Shi Zhihua, Li Bing, Yue Yuan, Dong Zhiying, Xu Chao |
| 关键词: | 餐厨垃圾; 市政污泥; 产氢; 产甲烷 |
| Keywords: | kitchen waste; municipal sewage sludge |
| 分类号: | X705 |
| 文献标识码: | A |
| 摘要: | 以热处理后的餐厨垃圾和市政污泥为底物, 采用高温两相厌氧发酵工艺, 在外加热源条件下, 研究不同进料负荷(OLR)对两相厌氧产氢、产甲烷系统的产气性能影响. 结果表明 随着产氢相OLR的增加, 系统平均VS产气率、氢气体积分数、容积产气率呈先升后降的趋势, 并在OLR为·(L·d)-1时取得最大值, 分别为·g-1、 45.61%和·(L·d)-1; 当产甲烷相OLR为·(L·d)-1时, 甲烷体积分数最大, 为49.54%, 当产甲烷相OLR为·(L·d)-1, 系统平均VS产气率和最大容积产气率最大, 分别为·g-1和·(L·d)-1, 且此时两相系统VS去除率与能量产率最高, 分别为65.37%和30.93kJ·L-1. 因此, 高温、高含固率餐厨垃圾协同市政污泥厌氧两相产氢产甲烷不仅能同时获得产量与体积分数均较高的氢气与甲烷, 而且能够有较高的VS去除率. |
| Abstract: | Taking thermally treated kitchen waste and municipal sewage sludge as substrates and using a thermophilic two-phase anaerobic fermentation process, under the condition of external heating source, the effects of different feed loads (OLR) are investigated on gas production performance of two-phase anaerobic hydrogen production and methane production. The results indicate that, with the increase of OLR of hydrogen-producing phase, the average VS gas generation rate, hydrogen volume fraction and volume gas generation rate of the system increase first followed by decreasing. The maximum values are obtained at OLR=·(L·d)-1, which read ·g-1, 45.61% and ·(L·d)-1, respectively. When OLR of methanogenic phase is ·(L·d)-1, the content of methane climbs to the highest (49.54%). When OLR of methanogenic phase is ·(L·d)-1, the average gas production rate of VS and the maximum volume gas production rate of the system reach the highest (·g-1 and ·(L·d)-1, respectively). In addition, the removal rate and energy yield of the two-phase system VS are found to be at the highest, being 65.37% and 30.93kJ·L-1, respectively. Therefore, anaerobic two-phase hydrogen and methane production from thermophilic and high solid content kitchen waste combined with municipal sewage sludge can not only obtain hydrogen and methane with high yield and content, but also have a high VS removal rate. |
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| 备注/Memo: | 收稿日期:2020-03-09.宁波大学学报（理工版）网址:http://journallg.nbu.edu.cn/ 基金项目:浙江省自然科学基金公益技术项目（LGF19E080006）;国家住建部研究开发项目（2018-K7-010）. 第一作者:石志华（1995－）,男,湖北黄冈人,在读硕士研究生,主要研究方向:固体废物处理与资源化.E-mail:zhihuashihb@163.com *通信作者:李兵（1977－）,男,江苏泰州人,博士/副教授,主要研究方向:固体废物处理与资源化.E-mail:libing@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
