高级搜索

PCL-SND系统的脱氮效果

,  ,  , 

downloadPDF

上一篇

下一篇

胡玉, 罗国芝, 李丽, 谭洪新. PCL-SND系统的脱氮效果[J]. 环境工程学报, 2016, 10(5): 2420-2426. doi: 10.12030/j.cjee.201412155
引用本文: 胡玉, 罗国芝, 李丽, 谭洪新. PCL-SND系统的脱氮效果[J]. 环境工程学报, 2016, 10(5): 2420-2426. doi: 10.12030/j.cjee.201412155
shu
Hu Yu, Luo Guozhi, Li Li, Tan Hongxin. Effect of nitrogen removal by PCL-SND system[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2420-2426. doi: 10.12030/j.cjee.201412155
Citation: Hu Yu, Luo Guozhi, Li Li, Tan Hongxin. Effect of nitrogen removal by PCL-SND system[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2420-2426. doi: 10.12030/j.cjee.201412155
shu

PCL-SND系统的脱氮效果

  • 1.

    上海海洋大学水产与生命学院, 上海 201306

  • 2.

    上海市水产养殖工程技术研究中心, 上海 201306

  • 基金项目:

    上海市科技委员会资助项目(14320501900)

    上海工程技术中心能力提升项目(13DZ2280500)

  • 中图分类号: X703

Effect of nitrogen removal by PCL-SND system

  • 1.

    College of Fishery and Life Science, Shanghai Ocean University, Shanghai 201306, China

  • 2.

    Shanghai Aquaculture Engineering Center, Shanghai 201306, China

  • Fund Project:

  • 摘要: 以处理水产养殖水体中的含氮化合物为目的,采用气提反应器,建立以聚己内酯(polycaprolactone,PCL)为碳源和生物膜载体的同时硝化反硝化(simultaneous nitrification and denitrification,SND)系统(PCL-SND),研究其启动过程及脱氮效果以及水力停留时间(hydraulic retention time,HRT)对PCL-SND系统脱氮效果的影响。结果表明,在PCL填充率为10%,HRT为24 h,进水氨氮(NH4+-N)浓度为10 mg/L,硝态氮(NO3--N)浓度为50 mg/L的条件下,系统运行45 d达到稳定状态,NH4+-N和TN的去除率分别为(76.55±0.98)%和(56.85±2.21)%。HRT对PCL-SND系统脱氮效果的研究表明,一定范围内,TN去除率随着HRT的减小而下降,出水NO3--N浓度随着HRT的减小而升高,当HRT>8 h,NH4+-N去除率基本稳定(85%~89%),HRT为24 h时,脱氮效果最好,TN和NH4+-N去除率分别为(68.56±1.64)%和(87.75±2.78)%,出水NO3--N浓度(15.72±1.46)mg/L。pH和总碱度均随HRT的减小而下降,生物量却随HRT 的减小而增大。
    Abstract: Polycaprolactone (PCL) was used as both a carbon source and biofilm carrier to remove nitrogenous compounds from aquaculture wastewater by simultaneous nitrification and denitrification (SND) in an airlift reactor. The start-up process and the nitrogen (N) removal efficiency as well as the effects of hydraulic retention time (HRT) on nitrogen N removal of a PCL-SND system were studied. The experimental results showed that with 10% fill of PCL carrier, a HRT of 24 h, the influent ammonia (NH4+-N) concentration of 10 mg/L, and a nitrate (NO3--N) concentration of 50 mg/L, the PCL-SND system achieved a stable state at 45 d. At this that time, the removal efficiencies of NH4+-N and total nitrogen (TN) were (76.55±0.98)% and (56.85±2.21)%, respectively. The TN removal efficiency decreased with the decrease of HRT within a certain range, and the effluent nitrate concentration increased with the decrease of HRT. However, when HRT > 8 h, the removal rate of NH4+-N was basically stable (85% to 89%). The best nitrogen N removal was achieved at a HRT of 24 h. The average removal efficiencies of TN and NH4+-N were (68.56±1.64)% and (87.75±2.78)%, respectively, and the NO3--N concentration of effluent was (15.72±1.46)mg/L. The pH and alkalinity decreased the decrease of HRT. However, the biomass increased with while HRT decreased.
  • 加载中
  • [1] Münch E. V., Lant P., Keller J. Simultaneous nitrification and denitrification in bench-scale sequencing batch reactors. Water Research, 1996, 30(2): 277-284
    [2] 丁元娜, 代进, 滕欣宇. 生物脱氮新技术研究现状探讨. 纯碱工业, 2011(1): 22-25 Ding Yuanna, Dai Jin, Teng Xinyu. Discussion on status quo of biological denitrogenation study. Soda Industry, 2011(1): 22-25(in Chinese)
    [3] Guo Jingbo, Zhang Lanhe, Chen Wei, et al. The regulation and control strategies of a sequencing batch reactor for simultaneous nitrification and denitrification at different temperatures. Bioresource Technology, 2013, 133: 59-67
    [4] 吕鑑, 刘硕, 廖日红, 等. 聚氨酯填料型曝气生物滤池(BAF)同步硝化反硝化. 北京工业大学学报, 2012, 38(8): 1254-1258 Lü Jian, Liu Shuo, Liao Rihong, et al. Simultaneous nitrification and denitrification in polyurethane filler-BAF. Journal of Beijing University of Technology, 2012, 38(8): 1254-1258(in Chinese)
    [5] Sarioglu M., Insel G., Artan N., et al. Model evaluation of simultaneous nitrification and denitrification in a membrane bioreactor operated without an anoxic reactor. Journal of Membrane Science, 2009, 337(1-2): 17-27
    [6] 张可方, 杜馨, 张朝升, 等. DO C/N对同步硝化反硝化影响的实验研究. 环境科学与技术, 2007, 30(6): 3-5 Zhang Kefang, Du Xin, Zhang Chaosheng, et al. Influences of DO and C/N on simultaneous nitrification and denitrification. Environmental Science & Technology, 2007, 30(6): 3-5(in Chinese)
    [7] Walters E., Hille A., He Mei, et al. Simultaneous nitrification/denitrification in a biofilm airlift suspension (BAS) reactor with biodegradable carrier material. Water Research, 2009, 43(18): 4461-4468
    [8] Wu Weizhong, Yang Feifei, Yang Luhua. Biological denitrification with a novel biodegradable polymer as carbon source and biofilm carrier. Bioresource Technology, 2012, 118: 136-140
    [9] 赖才胜, 谭洪新, 罗国芝, 等. 利用可生物降解聚合物为碳源和生物膜载体脱氮及其动力学特性研究. 环境科学, 2010, 31(8): 1839-1845 Lai Caisheng, Tan Hongxin, Luo Guozhi, et al. Denitrification and kinetic characteristics using biodegradable polymers as carbon source and biofilm carrier. Environmental Science, 2010, 31(8): 1839-1845(in Chinese)
    [10] 罗国芝, 赖才胜, 谭洪新, 等. 固体碳源填料床生物反应器去除水中硝酸盐的研究. 安全与环境学报, 2010, 10(4): 23-27 Luo Guozhi, Lai Caisheng, Tan Hongxin, et al. Nitrate removal of water using solid carbon source packed-bed bioreactor. Journal of Safety and Environment, 2010, 10(4): 23-27(in Chinese)
    [11] Chu Libing, Wang Jianlong. Nitrogen removal using biodegradable polymers as carbon source and biofilm carriers in a moving bed biofilm reactor. Chemical Engineering Journal, 2011, 170(1): 220-225
    [12] 国家环境保护总局. 水和废水监测分析方法(第4版). 北京: 中国环境科学出版社, 2002
    [13] Rajendran N., Matsuda O., Imamura N., et al. Variation in microbial biomass and community structure in sediments of eutrophic bays as determined by phospholipid ester-linked fatty acids. Applied and Environmental Microbiology, 1992, 58(2): 562-571
    [14] Abeysinghe D. H., Shanableh A., Rigden B. Biofilters for water reuse in aquaculture. Water Science and Technology, 1996, 34(11): 253-260
    [15] Münch E. V., Lant P., Keller J., et al. Simultaneous nitrification and denitrification in bench-scale sequencing batch reactors. Water Research, 1996, 30(2): 277-284
    [16] 周丹丹, 马放, 董双石, 等.溶解氧和有机碳源对同步硝化反硝化的影响. 环境工程学报,2007,1(4):25-28 Zhou Dandan,Ma Fang,Dong Shuangshi, et al. Influences of DO and organic carbon on simultaneous nitrification and denitrification. Chinese Journal of Environmental Engineering,2007, 1(4): 25-28(in Chinese)
    [17] 唐成婷, 罗国芝, 谭洪新, 等. 以PBS为载体和碳源的SND系统的脱氮效果研究. 安全与环境学报, 2014, 14(5): 151-155 Tang Chengting, Luo Guozhi, Tan Hongxin, et al. Effectiveness of nitrogen removal by simultaneous nitrification and denitrification reactor packed with poly (butylene succinate) media. Journal of Safety and Environment, 2014, 14(5): 151-155(in Chinese)
    [18] 周海红, 赵璇, 王建龙. 利用可生物降解聚合物去除饮用水源水中硝酸盐. 清华大学学报(自然科学版), 2006, 46(3): 434-436 Zhou Haihong, Zhao Xuan, Wang Jianlong. Removal of nitrates from drinking water using biodegradable polymers as both substrate and biof ilm carrier. Journal of Tsinghua University (Science and Technology), 2006, 46(3): 434-436(in Chinese)
    [19] Hemmati A., Dolatabad M. M., Naeimpoor F., et al. Effect of hydraulic retention time and temperature on submerged membrane bioreactor (SMBR) performance. Korean Journal of Chemical Engineering, 2012,29(3): 369-376
    [20] Yu Bo, Zhou Ying, Huang Zhengwen, et al. Effect of hydraulic retention time on pollutant removal performance of biological contact oxidation process treating hospital wastewater. Applied Mechanics and Materials, 2014, 507: 725-729
    [21] He Shengbing, Xue Gang, Wang Baozhen. Factors affecting simultaneous nitrification and de-nitrification (SND) and its kinetics model in membrane bioreactor. Journal of Hazardous Materials, 2009, 168(2-3): 704-710
    [22] Liu Yaoxing, Yang T. O., Yuan Dongxing, et al. Study of municipal wastewater treatment with oyster shell as biological aerated filter medium. Desalination, 2010, 254(1-3): 149-153
    [23] Thanh B. X., Berg H., Nguyen L. N. T., et al. Effects of hydraulic retention time on organic and nitrogen removal in a sponge-membrane bioreactor. Environmental Engineering Science, 2013, 30(4): 194-199
    [24] 朱文君, 杨扬, 乔永民, 等. 水力停留时间对自然曝气生物滤床净化效能的影响. 生态科学, 2013, 32(2): 224-229 Zhu Wenjun, Yang Yang, Qiao Yongmin, et al. Effect of hydraulic retention time on the purification performance of natural-aeration biofilter. Ecological Science, 2013, 32(2): 224-229(in Chinese)
    [25] 王建为. 短程硝化反硝化技术研究. 中国科技博览, 2012(32): 331 Wang Jianwei. Research technology on Shortcut nitrification and denitrification. China Science and Technology Review, 2012(32): 331(in Chinese)
    [26] Li Jianping, Elliott D., Nielsen M., et al. Long-term partial nitrification in an intermittently aerated sequencing batch reactor (SBR) treating ammonium-rich wastewater under controlled oxygen-limited conditions. Biochemical Engineering Journal, 2011, 55(3): 215-222
    [27] Muda K., Aris A., Salim M. R., et al. The effect of hydraulic retention time on granular sludge biomass in treating textile wastewater. Water Research, 2011, 45(16): 4711-4721
    [28] 张永祥, 姚伟涛, 肖社明, 等. DO和HRT对连续流 MBBR亚硝酸型SND影响. 哈尔滨商业大学学报(自然科学版), 2010, 26(4): 413-418 Zhang Yongxiang, Yao Weitao, Xiao Sheming, et al. Influence of DO and HRT on nitrite type simultaneous nitrification and denitrification in MBBR. Journal of Harbin University of Commerce (Natural Sciences Edition), 2010, 26(4): 413-418(in Chinese)
    [29] Baek S. H., Kim H. J. Mathematical model for simultaneous nitrification and denitrification (SND) in membrane bioreactor (MBR) under low dissolved oxygen (DO) concentrations. Biotechnology and Bioprocess Engineering, 2013, 18(1): 104-110
    [30] Sun D. D., Hay C. T., Khor S. L. Effects of hydraulic retention time on behavior of start-up submerged membrane bioreactor with prolonged sludge retention time. Desalination, 2006, 195(1-3): 209-225
  • 加载中
WeChat 点击查看大图
计量
  • 文章访问数:  1620
  • HTML全文浏览数:  1280
  • PDF下载数:  741
  • 施引文献:  0
出版历程
  • 收稿日期:  2015-02-08
  • 刊出日期:  2016-06-03

PCL-SND系统的脱氮效果

  • 1.  上海海洋大学水产与生命学院, 上海 201306
  • 2.  上海市水产养殖工程技术研究中心, 上海 201306
  • 收稿日期:  2015-02-08
基金项目:

上海市科技委员会资助项目(14320501900)

上海工程技术中心能力提升项目(13DZ2280500)

摘要: 以处理水产养殖水体中的含氮化合物为目的,采用气提反应器,建立以聚己内酯(polycaprolactone,PCL)为碳源和生物膜载体的同时硝化反硝化(simultaneous nitrification and denitrification,SND)系统(PCL-SND),研究其启动过程及脱氮效果以及水力停留时间(hydraulic retention time,HRT)对PCL-SND系统脱氮效果的影响。结果表明,在PCL填充率为10%,HRT为24 h,进水氨氮(NH4+-N)浓度为10 mg/L,硝态氮(NO3--N)浓度为50 mg/L的条件下,系统运行45 d达到稳定状态,NH4+-N和TN的去除率分别为(76.55±0.98)%和(56.85±2.21)%。HRT对PCL-SND系统脱氮效果的研究表明,一定范围内,TN去除率随着HRT的减小而下降,出水NO3--N浓度随着HRT的减小而升高,当HRT>8 h,NH4+-N去除率基本稳定(85%~89%),HRT为24 h时,脱氮效果最好,TN和NH4+-N去除率分别为(68.56±1.64)%和(87.75±2.78)%,出水NO3--N浓度(15.72±1.46)mg/L。pH和总碱度均随HRT的减小而下降,生物量却随HRT 的减小而增大。

English Abstract

    全文HTML

参考文献 (30)

目录

/

返回文章
返回

Copyright © 2019 中国科学院生态环境研究中心