活性污泥流变特性主要影响因素及其研究进展

doi:10.11894/1005-829x.2016.36(2).005

工业水处理 ›› 2016, Vol. 36 ›› Issue (2): 5-9,108. doi: 10.11894/1005-829x.2016.36(2).005

活性污泥流变特性主要影响因素及其研究进展

曹秀芹, 王远, 蒋竹荷

北京建筑大学城市雨水系统与水环境省部共建教育部重点实验室, 北京 100044

收稿日期:2015-11-08 出版日期:2016-02-20 发布日期:2016-02-26
作者简介:曹秀芹(1965-),硕士,教授。电话:13718588755,E-mail:caoxiuqin@buca.edu.cn。
基金资助:
北京市教育委员会(北京市自然科学基金)2013年度科技计划重点项目(KZ201310016017);北京建筑大学科研基地建设-科技创新平台-城市雨水环境教育部重点实验室项目(PXM2014_014210_000057)

Main factors influencing the rheological characteristics of the activated sludge and its research progress

Cao Xiuqin, Wang Yuan, Jiang Zhuhe

Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

Received:2015-11-08 Online:2016-02-20 Published:2016-02-26

摘要/Abstract

摘要：

活性污泥作为非牛顿流体,其流变特性对污水处理工艺有着至关重要的影响。而活性污泥流变特性受多种因素影响,其中温度和浓度是最主要的因素,此外污泥的理化特性如表面电荷、EPS、粒径等,以及系统的运行条件如pH、通气量、预处理等也会影响污泥流变特性。这些因素在影响流变特性的同时会影响到传质过程、污泥管道输送以及污泥处理处置工艺等方面。因此,掌握各影响因素对流变特性的影响变化规律具有重要的实际意义。

关键词: 活性污泥, 流变特性, 黏度

Abstract:

Being one of the non-newtonian fluids,the rheological characteristics of activated sludge has great influence on the sewage treatment process. The rheological characteristics of activated sludge are affected by many kinds of factors,among which temperature and concentration are the main ones. In addition,the physicochemical characteristics,such as surface charge,EPS,particle size,etc.,as well as pH,ventilation volume,pre-treatment,etc. can also affect the rheological characteristics of activated sludge. Meanwhile,these factors can also affect its mass transfer process,pipeline transportation,disposal process of sludge treatment,etc. Therefore,the mastery of the change rules of every influential factor that affects the rheological characteristics is of very important and practical significance.

Key words: activated sludge, rheological characteristic, viscosity

中图分类号:

X705

曹秀芹, 王远, 蒋竹荷. 活性污泥流变特性主要影响因素及其研究进展[J]. 工业水处理, 2016, 36(2): 5-9,108.

Cao Xiuqin, Wang Yuan, Jiang Zhuhe. Main factors influencing the rheological characteristics of the activated sludge and its research progress[J]. INDUSTRIAL WATER TREATMENT, 2016, 36(2): 5-9,108.

https://www.iwt.cn/CN/Y2016/V36/I2/5

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