| 污泥堆肥处理过程中氧气消耗的动态变化与分布特征 |
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| 引用本文： | 刘斌,陈同斌,郑国砥,高定,岳波,王莉霞,张军.污泥堆肥处理过程中氧气消耗的动态变化与分布特征[J].环境科学学报,2009,29(5):968-973. |
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| 作者姓名： | 刘斌 陈同斌 郑国砥 高定 岳波 王莉霞 张军 |
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| 作者单位： | 1. 中国科学院地理科学与资源研究所环境修复中心,北京,100101;中国科学院研究生院,北京,100039
2. 中国科学院地理科学与资源研究所环境修复中心,北京,100101 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 对城市污水污泥、粪渣污泥和造纸污泥进行好氧堆肥试验,以研究不同物料堆肥过程中氧气消耗的动态变化、分布特征及其差异.结果表明.不同污泥堆肥时,耗氧速率和温度具有相似的动态变化阶段.在堆体刚进入高温阶段时,耗氧速率不断升高并达到峰值,之后则逐渐减小并趋于稳定,堆肥结束时的耗氧速率只相当于最大值的1/3～1/15.物料组成影响升温速率,耗氧速率的最大值及达到最大值的时间.有机物含量高时,堆体温度上升快、维持持续高温的时间长.堆体各部位耗氧速率存在差异;中间部位的耗氧速率始终较高,在升温期,上层的耗氧速率略高于下层,此后下层的耗氧速率高于上层.堆体上层和下层的氧气含量在堆肥过程中波动较小(>18%),而中间部位的氧气含量波动较大,在高温阶段其含量较低(约12%).使用无机调理剂(CTB调理剂)时,耗氧速率明显小于使用有机调理剂的处理,供氧所需的通风量减少35.9%;堆体升温较慢,温度变化较平缓.根据研究结果提出了优化通风控制的建议.
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| 关 键 词： | 污泥 堆肥 氧气 空间分布 调理剂 通风 |
| 收稿时间： | 7/7/2008 7:14:49 PM |
| 修稿时间： | 7/25/2008 7:28:40 AM |
Rates and distribution of oxygen consumption during composting of different sludges |
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| LIU Bin,CHEN Tongbin,ZHENG Guodi,GAO Ding,YUE Bo,WANG Lixia and ZHANG Jun.Rates and distribution of oxygen consumption during composting of different sludges[J].Acta Scientiae Circumstantiae,2009,29(5):968-973. |
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| Authors: | LIU Bin CHEN Tongbin ZHENG Guodi GAO Ding YUE Bo WANG Lixia and ZHANG Jun |
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| Institution: | LIU Bin1,2,CHEN Tongbin1,ZHENG Guodi1,GAO Ding1,YUE Bo1,WANG Lixia1,ZHANG Jun1,2 1.Center for Environmental Remediation,Institute of Geographic Sciences , Natural Resources Research,Chinese Academy of Sciences,Beijing 1001012.Graduate University of the Chinese Academy of Sciences,Beijing 100039 |
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| Abstract: | The aims of this study were to investigate the Oxygen Consumption Rates(OCR)during composting of different types of sludge and to investigate the spatial distribution characteristics of oxygen in a forced aerated static composting pile.Three types of sludge were studied:sewage sludge,night soil sludge and paper mill sludge.Wood shavings or CTB composting amendment were used as bulking agents to adjust the moisture.The results showed that the oxygen consumption rates and temperature profiles were similar for... |
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| Keywords: | sludge compost oxygen spatial distribution bulking agent aeration |
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