螺旋对称流厌氧反应器常温下的运行特性

doi:10.16085/j.issn.1000-6613.2016.11.006

化工进展 ›› 2016, Vol. 35 ›› Issue (11): 3426-3432.DOI: 10.16085/j.issn.1000-6613.2016.11.006

螺旋对称流厌氧反应器常温下的运行特性

AWAD Abdelgadir^1,2, 陈小光¹, 戴若彬¹, 柳建设¹, 罗颖¹, 马璞月¹, 倪圣笙¹

1. 东华大学环境科学与工程学院, 国家环境保护纺织工业污染防治工程技术中心, 上海 201620;
2. 工业研究与咨询中心, 268-喀土穆, 苏丹

收稿日期:2016-04-07 修回日期:2016-04-25 出版日期:2016-11-05 发布日期:2016-11-05
通讯作者: 陈小光,副教授,研究方向为厌氧生物处理设备开发及过程研究。E-mail:cxg@dhu.edu.cn。
作者简介:AWAD Abdelgadir(1978-),男,博士研究生,研究方向为厌氧生物处理。
基金资助:
国家自然科学基金（51208087）及过程装备与控制工程四川省高校重点实验室开放基金（GK201402）项目。

Operational characteristics of spiral symmetry stream anaerobic bioreactor under room temperature

AWAD Abdelgadir^1,2, CHEN Xiaoguang¹, DAI Ruobin¹, LIU Jianshe¹, LUO Ying¹, MA Puyue¹, NI Shengsheng¹

1. State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China;
2. Industrial Research and Consultancy Center, IRCC, 268-Khartoum, Sudan

Received:2016-04-07 Revised:2016-04-25 Online:2016-11-05 Published:2016-11-05

摘要/Abstract

摘要： 螺旋对称流厌氧反应器（SSSAB）的最高有机负荷能在中温条件下（35℃）可达361.5kgCOD/（m³·d），然而在常温条件下（10～30℃）其运行性能及污泥特征尚不明确，需进一步探究。以分段组合式厌氧反应器（TCAB）和升流式厌氧污泥床反应器（UASB）为参比，在常温下，以相同的操作条件研究了SSSAB的运行性能和污泥特征。实验结果表明：SSSAB的COD平均去除率（88%）高于TCAB和UASB（80%和78%），SSSAB的一级反应动力学常数为5.4d^-1，高于TCAB的3.6d^-1和UASB的2.2d^-1。SSSAB内颗粒污泥宏观上相比于TCAB及UASB轮廓清晰、黑亮密实，且SSSAB颗粒污泥表面微观上较为粗糙，存在许多孔道。SSSAB颗粒污泥的胞外聚合物（EPS）总量高于TCAB及UASB，为底物的质量传递创造了条件，SSSAB颗粒污泥EPS的蛋白质（PN）/多糖（PS）较低，更有利于维持高污泥强度和优良的沉降性能。相比于UASB，SSSAB厌氧颗粒污泥凝聚性的分布更优，且其凝聚性波动更小。

关键词: 螺旋对称流厌氧反应器, 常温, 运行特性, 稳定性, 污泥特性, 胞外聚合物

Abstract: A maximum organic loading rate of 361.5kgCOD/(m³·d) is achieved in spiral symmetry stream anaerobic bioreactor (SSSAB) under mesophilic condition (35℃). However, the performance and sludge features, which require further research, are still unclear under room temperature (10—30℃). In comparison to three compartmentalized anaerobic bioreactor (TCAB) and upflow anaerobic sludge blanket reactor (UASB), the performance and sludge features were studied with same operational conditions under room temperature. The results showed that:the average COD removal efficiency of SSSAB (88%) was higher than that of TCAB and UASB (80% and 78%). The first-order kinetic constant of SSSAB was 5.4d^-1, higher than that of TCAB (3.6d^-1) and UASB (2.2d^-1). In macro scale, compared with that from TCAB and UASB, the anaerobic granular sludge from SSSAB was clearer, more black and denser. Moreover, the surface of anaerobic granular sludge from SSSAB was rough and full of channels. The total amount of extracellular polymeric substance (EPS) of anaerobic granular sludge from SSSAB was higher than that of TCAB and UASB, which provided conditions for mass transfer between sludge and substrates. The protein (PN) / polysaccharide (PS) ratio of the sludge from SSSAB was lowest, which might indicate that it had more favorable strength and settling ability. The distribution of flocculability of the sludge from SSSAB was more reasonable, and its fluctuation was smaller compared with that from UASB.

Key words: spiral symmetry stream anaerobic bioreactor, room temperature, operational characteristic, stability, sludge characteristic, extracellular polymeric substance

中图分类号:

X703.1

AWAD Abdelgadir, 陈小光, 戴若彬, 柳建设, 罗颖, 马璞月, 倪圣笙. 螺旋对称流厌氧反应器常温下的运行特性[J]. 化工进展, 2016, 35(11): 3426-3432.

AWAD Abdelgadir, CHEN Xiaoguang, DAI Ruobin, LIU Jianshe, LUO Ying, MA Puyue, NI Shengsheng. Operational characteristics of spiral symmetry stream anaerobic bioreactor under room temperature[J]. Chemical Industry and Engineering Progress, 2016, 35(11): 3426-3432.

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螺旋对称流厌氧反应器常温下的运行特性

Operational characteristics of spiral symmetry stream anaerobic bioreactor under room temperature

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