| 超声破解污泥影响因素分析 |
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| 引用本文： | 薛玉伟,季民,李文彬. 超声破解污泥影响因素分析[J]. 环境工程学报, 2007, 1(6): 118-122 |
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| 作者姓名： | 薛玉伟 季民 李文彬 |
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| 作者单位： | 1. 天津大学环境科学与工程学院,天津,300072
2. 天津渤海职业技术学院,天津,300402 |
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| 摘 要： | 超声破解是促进污泥快速厌氧消化的一项新技术,不仅超声波参数直接影响污泥破解效果,而且污泥性质和辅助条件也影响污泥破解效果.以污泥溶解性化学需氧量增加值(SCOD )和污泥破解度(DDSCOD)为评价参数,通过超声破解不同性质污泥试验,得出污泥的初始温度、pH值和污泥浓度等参数对污泥破解效果起重要作用.增加搅拌和曝气辅助条件破解污泥的试验,得出间歇搅拌和曝气能增强污泥超声破解效果.
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| 关 键 词： | 污泥 超声破解 破解度 比能耗 超声破解 污泥浓度 影响因素分析 ultrasonic conditions experimental activated sludge waste characteristics 增强 曝气 作用 评价参数 初始温度 试验 污泥性质 SCOD 增加值 溶解性化学需氧量 辅助条件 |
| 文章编号： | 1673-9108（2007）06-0118-05 |
| 收稿时间： | 2006-08-04 |
| 修稿时间： | 2006-08-042007-04-11 |
Effect of characteristics of waste activated sludge and experimental conditions on ultrasonic disintegration |
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| Xue Yuwei,Ji Min and Li Wenbin. Effect of characteristics of waste activated sludge and experimental conditions on ultrasonic disintegration[J]. Techniques and Equipment for Environmental Pollution Control, 2007, 1(6): 118-122 |
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| Authors: | Xue Yuwei Ji Min Li Wenbin |
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| Affiliation: | School of Environmental Science and Technology, Tianjin University, Tianjin 300072,School of Environmental Science and Technology, Tianjin University, Tianjin 300072 and College of Professional Technology of Tianjin Bohai,Tianjin 300402 |
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| Abstract: | Ultrasonic disintegration of waste activated sludge is a new technology to accelerate anaerobic digest of waste activated sludge. Not only ultrasonic parameter but also characteristics of waste activated sludge and experimental conditions are important parameters to affect the disintegration of waste activated sludge. In order to assess the effects of characteristics of waste activated sludge and experimental conditions on ultrasonic disintegration of waste activated sludge, experiments with difference characteristics of waste activated sludge are carried out and analyzed with the increase of soluble chemical oxygen demand (SCOD+) and disintegration degree of waste activated sludge (DDSCOD). It is concluded that the parameters of initial temperature, pH and concentration are contributive to disintegrate waste activated sludge. Simultaneously, experiments with stirring or blowing are completed. It is confirmed that intermittently stirring and blowing can enhance waste activated sludge disintegration. |
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| Keywords: | waste activated sludge ultrasonic disintegration disintegration degree specific energy input |
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