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| 城市污水处理厂污泥两相与单相厌氧消化工艺的比较 | |
| 引用本文： | 张莉平,伏 苓,张格红.城市污水处理厂污泥两相与单相厌氧消化工艺的比较[J].西北农林科技大学学报(社会科学版),2007,35(11):213-217. |
| 作者姓名： | 张莉平 伏 苓 张格红 |
| 作者单位： | 1. 长安大学,环境科学与工程学院,陕西,西安,710061 2. 山东建筑大学,市政与环境工程学院,山东,济南,250014 3. 四川理工学院,建筑工程系,四川,自贡,643000 4. 西安市建设委员会,科技教育处,陕西,西安,710000 |
| 基金项目： | 河南省南阳市科技攻关计划;南阳师范学院校科研和教改项目 |
| 摘 要： | 为了完善污泥两相厌氧消化工艺、优化运行设计参数,对西安市污水处理厂污泥进行了中温两相厌氧消化与中温单相厌氧消化对比试验。结果表明,两相厌氧消化产酸相水力停留时间(HRT)为1.25 d,产甲烷相HRT为11.10 d,当污泥投配率8%,有机负荷>2.0 kg/(m3.d)时,化学需氧量(COD)与挥发性固体(VS)的去除率分别为42.7%和33.6%。在相同有机负荷下,两相厌氧消化工艺的VS和COD去除率、产气量、产气速率以及分解单位VS的产气量均高于单相厌氧消化工艺,而出泥VFA含量小于单相厌氧消化工艺。 |
| 关 键 词： | 城市污泥 中温两相厌氧消化 中温单相厌氧消化 |
| 文章编号： | 1671-9387（2007）11-0203-10 |
| 收稿时间： | 2006/10/12 0:00:00 |
| 修稿时间： | 2006-10-27 |
Comparison of digestion technology between the signal and two-phase anaerobic of municipal sludge |
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| ZHANG Li-ping,FU Ling,ZHANG Ge-hong,FAN Xi,CHEN Jun-chang,HAN Chang.Comparison of digestion technology between the signal and two-phase anaerobic of municipal sludge[J].Journal of Northwest Sci-Tech Univ of Agr and,2007,35(11):213-217. | |
| Authors: | ZHANG Li-ping FU Ling ZHANG Ge-hong FAN Xi CHEN Jun-chang HAN Chang |
| Institution: | 1 School of Environmental Sciences and Engineering,Chang’an University,Xi’an,Shaanxi 710061,China;2 School of Municipal and Environmental Engineering,Shandong University of Architecture and Civil Engineering Insititute,Ji’nan,Shandong 250014,China;3 Department of Architecture Engineering,Sichuan Polytechnic School,Zigong,Sichuan 643000,China;4 Department of Technology and Education,Xi’an Construction Council,Xi’an,Shaanxi 710000,China) |
| Abstract: | To provide new evidences for the classification and medicinal identification of Curcuma L.31(OTU) kinds of Curcuma L.were studied in this paper.47 taxonomy characters were decomposed to 28 qualitative index and 19 quantitative index,and the qualitative characters were further decomposed to two-state characters and three-state characters,then treated by rough-set theory and clustered,respectively.The results of cluster analysis were divided into qualitative index synthesis taxonomy by intersection taxonomy.19 quantitative characters were treated by rough-set theory and cluster analysis,and the results were classified into 20 kinds of character synthesis taxonomy by intersection taxonomy,then synthesized into 10 major kinds.The results were compared with principal 47 taxonomy characters by component and cluster analysis for made by Xiao xiao-he.The study showed that it was reasonable and accurate to decompose taxonomy character,and combining rough-set theory with cluster analysis was significant. |
| Keywords: | rough-set theory cluster analysis Curcuma L numerical taxonomy |
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