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[1]陈红芬 任洪艳** 刘方舟 阮文权.小球藻和活性污泥共培养体系处理养殖废水*[J].应用与环境生物学报,2019,25(04):1-5.
 Treatment of aquaculture wastewater using Chlorella Vulgaris and Activated Sludge co-culture system *.CLC X714[J].Chinese Journal of Applied & Environmental Biology,2019,25(04):1-5.
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小球藻和活性污泥共培养体系处理养殖废水*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
25卷
期数:
2019年04期
页码:
1-5
栏目:
出版日期:
2019-08-31

文章信息/Info

Title:
CLC X714
作者:
陈红芬12 任洪艳12** 刘方舟12 阮文权12
1江南大学环境与土木工程学院 无锡 214122 2江苏省厌氧生物技术重点实验室 无锡 214122
Author(s):
Treatment of aquaculture wastewater using Chlorella Vulgaris and Activated Sludge co-culture system *
CHEN Hongfen1,2, REN Hongyan1,2**, LIU Fangzhou1,2 & RUAN Wenquan1,2 1School of Environmental and Civil Engineering, Jiangnan University , Wuxi 214122 , China 2Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University , Wuxi 214122, China
关键词:
固定化藻菌共培养废水处理小球藻活性污泥
Keywords:
immobilization algal-bacterial co-culture wastewater treatment Chlorella Vulgaris Activated Sludge
摘要:
为提高藻菌共培养体系对养殖废水的处理效果,优选最佳的共培养方式和处理时间,研究普通小球藻(UTEX2714)和活性污泥在5种共培养体系中对污染物的去除效率[游离小球藻和游离活性污泥,游离小球藻和固定化活性污泥,游离活性污泥和固定化小球藻,固定化小球藻和固定化活性污泥,藻菌共固定(藻菌:小球藻和活性污泥)],考察了体系的稳定性和胶球的可重复利用性。结果显示,游离活性污泥和固定化小球藻共培养体系在48 h对养殖废水的处理效果最佳,对氨氮(NH4+-N)、总氮(TN)、总磷(TP)、化学需氧量(COD)的去除率分别为93.89%、91.95%、97.53%、93.41%;细胞比增长速率0.214 h-1,均大于其他四组共培养体系。稳定性试验中胶球在使用一个周期(48 h)后用CaCl2再次加固可提高系统的稳定性,可稳定运行八个周期,NH4+-N、TP的去除率分别在81.59%-93.69%、84.23%-98.74%。研究表明,Sa+Ic共培养体系运行48 h能有效处理养殖废水。稳定性试验中,加固方法能有效的保证系统稳定运行。(图6表3参38)
Abstract:
Objectives: This study was aimed to optimize culture method to improve aquaculture wastewater treatment by algal and bacteria co-culture system. Methods: The removal efficiency of pollutants in co-culture systems of Chlorella Vulgaris (UTEX2714) and activated sludge were were studied ,setting five groups as following: suspending Chlorella Vulgaris and suspen ding activated sludge ( Sc+Sa), suspending Chlorella Vulgaris and immobilized activated sludge ( Sc+Ia), suspending activated sludge and immobilized Chlorella Vulgaris ( Sa+Ic), immobilized Chlorella Vulgaris and immobilized activated sludge ( Ic+Ia), algal bacteria fixed together (algae: Chlorella Vulgaris and activated sludge) (I ( c+a)). The stability of the system and the reusability of the rubber ball were tested. Results:The results showed that Sa+Ic co-culture system had the best treatment performance on aquaculture wastewater in 48 h. The removal efficiency of ammonia nitrogen (NH4+-N), total nitrogen (TN), total phosphorus (TP) and chemical oxygen demand (COD) at 48h were 93.89%, 91.95%, 97.53% and 93.41%, respectively. The specific growth rate of cells was 0.214 h-1, which was higher than that of the other four co-culture systems. In the stability test, the stability of the system could be improved by reinforcing the rubber balls with CaCl 2 after one cycle ( 48 h) . The system can be maintain stability for eight cycles, the removal rates of NH4+ -N and TP were 81.59%-93.69% and 84.23%-98.74%, respectively.Conclusions: This result suggested that Sa+Ic co-culture system could effectively treat aquaculture wastewater。 In the stability test, the reinforcement method could maintain the stability of the operational system ensuring treatment efficiency.

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备注/Memo

备注/Memo:
收稿日期 Received: 2018-11-1 6 接受日期 Accepted: 2019-01-20
更新日期/Last Update: 2019-02-01