[1]靳翱玮,廖方新,孙远博,等.序批式运行Anammox颗粒污泥的有机碳源胁迫效应[J].中国给水排水,2022,38(3):14-20.
　JIN Ao-wei,LIAO Fang-xin,SUN Yuan-bo,et al.Stress of High Concentration Organic Carbon Source on Anammox Granular Sludge under Sequencing Batch Operation[J].China Water & Wastewater,2022,38(3):14-20.
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序批式运行Anammox颗粒污泥的有机碳源胁迫效应

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第38卷 期数: 2022年第3期 页码: 14-20 栏目: 出版日期: 2022-02-01
Title:
Stress of High Concentration Organic Carbon Source on Anammox Granular Sludge under Sequencing Batch Operation
作者:
靳翱玮1， 廖方新1， 孙远博1， 贺程璐1， 姜滢1， 郭萌蕾1， 陈重军1,2,3
（1.苏州科技大学 环境科学与工程学院，江苏 苏州 215009；2.江苏水处理技术与材料协同创新中心，江苏 苏州 215009；3.江苏省环境科学与工程重点实验室，江苏 苏州 215009）
Author(s):
JIN Ao-wei1， LIAO Fang-xin1， SUN Yuan-bo1， HE Cheng-lu1， JIANG Ying1， GUO Meng-lei1， CHEN Chong-jun1，2，3
（1. School of Environmental Science and Engineering， Suzhou University of Science and Technology， Suzhou 215009， China； 2. Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment， Suzhou 215009， China； 3. Jiangsu Provincial Key Laboratory of Environmental Science and Engineering， Suzhou 215009， China）
关键词:
有机碳源;  厌氧氨氧化;  颗粒污泥;  脱氮除碳;  胁迫效应
Keywords:
organic carbon source;  Anammox;  granular sludge;  nitrogen and carbon removal;  stress
摘要:
以厌氧氨氧化颗粒污泥为研究对象，采用序批式研究方法，考察了不同高浓度COD条件下，厌氧氨氧化颗粒污泥对碳、氮的去除规律，并探究了颗粒污泥物理性状的变化。 研究发现，序批式运行可以降低有机碳源对厌氧氨氧化颗粒污泥的胁迫效应，在进水NH4+-N和NO2--N平均浓度分别为126.0 mg/L和173.2 mg/L的条件下，COD<900 mg/L时对系统脱氮除碳具有促进作用，而COD>900 mg/L时存在显著抑制作用。 在COD为600 mg/L时，NH4+-N和COD的去除率分别达到97.2%和87.7%，脱氮除碳效率最高。 随着有机负荷的提高，厌氧氨氧化颗粒污泥从红色向黑褐色转变，粒径在1.2~2.0 mm的颗粒污泥逐渐占据主导，在COD为900 mg/L时占比达到70.0%，而后开始解体，颗粒污泥在COD为600 mg/L时沉降速度最佳，达到17.0 m/h。
Abstract:
The sequencing batch operation was used to investigate the carbon and nitrogen removal and physical characters of anaerobic ammonia oxidation (Anammox) granular sludge under different high?concentration of COD. The results showed that the sequencing batch operation could reduce the stress of organic carbon source on Anammox granular sludge. Under the condition that the average concentration of influent NH4+-N and NO2--N were 126.0 mg/L and 173.2 mg/L respectively, when COD was below 900 mg/L, it would promote the denitrification and carbon removal of the system. However, there was a significant inhibitory effect on Anammox when the COD concentration was increased to more than 900 mg/L. In addition, the NH4+-N and COD removal efficiency reached the highest at 97.2% and 87.7% when the COD concentration was 600 mg/L. The color of Anammox granular sludge changed from red to dark brown with the organic loading increasing. Also, the granular sludge was dominated gradually at a particle diameter of 1.2-2.0 mm, which accounted for 70.0% at 900 mg/L of COD. However, the Anammox granular sludge disintegrated when the COD concentration was increased to more than 900 mg/L. The sedimentation speed of granular sludge reached highest at 17.0 m/h when COD concentration was 600 mg/L.

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更新日期/Last Update: 2022-02-01