Slowly released carbon source from composite materials system for removing nitrate pollution in groundwater

被引:18
|
作者
Xie, Yufeng [1 ]
Zhang, Dejin [1 ,2 ]
Lou, Shuai [1 ,3 ]
He, Fei [1 ]
Yin, Lu [1 ,4 ]
机构
[1] Minist Environm Protect, Nanjing Inst Environm Sci, Nanjing 210042, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Jiangsu Key Lab Chem Pollut Control & Resources R, Sch Environm & Biol Engn, Nanjing 210094, Jiangsu, Peoples R China
[3] Jiangsu Radiat Environm Protect Consultat Ctr, Nanjing 210019, Jiangsu, Peoples R China
[4] Nanjing Univ Informat Sci & Technol, Sch Environm Sci & Engn, Nanjing 210044, Jiangsu, Peoples R China
来源
RSC ADVANCES | 2017年 / 7卷 / 17期
关键词
POSTANOXIC DENITRIFICATION; WASTE-WATER; POLYHYDROXYALKANOATES; REDUCTION; POLYMERS; LEACHATE; BACTERIA; SLUDGE;
D O I
10.1039/c6ra27639c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Chemoheterotrophic denitrification technologies using biopolymers as a solid carbon source and biofilm carriers have been widely trialed to remove nitrate from groundwater. Here, we use a polyhydroxyalkanoates (PHA) and cellulose blend as a slowly released carbon material, the performance of which was detected through static and dynamic experiments. In the static experiment, the carbon released from the straw, cob and bagasse was 66.95, 40.12 and 40.65 mg L-1, respectively. Results show that the straw possessed higher carbon content than the others. In the dynamic experiments, the PHA/cellulose blend exhibited excellent nitrate removal efficiency and less adverse effects in nitrite accumulation during stable operation. The nitrate nitrogen removal rate reduced from 99.80% to 73.13% as nitrate loading increased from 40 to 60 mg L-1. The microbial structure of a permeable reactive barrier (PRB) system was revealed by high-throughput sequencing analysis. Azospira, Rhizomicrobium and Acidovorax were found to be the predominant species in the PHA system after the system had stabilized. Our results highlight that the PHA/cellulose blend is an economically attractive carbon source with good denitrification performance.
引用
收藏
页码:10215 / 10220
页数:6
相关论文
共 50 条
  • [1] Removing nitrate from groundwater
    Dorsheimer, WT
    Drewry, CB
    Fritsch, DP
    Williams, DE
    WATER-ENGINEERING & MANAGEMENT, 1997, 144 (12): : 20 - 24
  • [2] Biological denitrification using rice washing drainage (RWD) as carbon source for removing nitrate from groundwater
    He, Qiaochong
    Feng, Chuanping
    Hu, Qili
    Li, Rui
    Chen, Nan
    DESALINATION AND WATER TREATMENT, 2016, 57 (46) : 21990 - 21999
  • [3] Community level biological denitrification system for removing nitrate from groundwater
    Kumar, Manoj
    Hullur, B. Madhumati
    Ramakrishna, Ashwini
    ADVANCES IN CHEMICAL TECHNOLOGIES FOR WATER AND WASTEWATER TREATMENT, 2008, : 511 - 515
  • [4] Slowly released molasses barrier system for controlling nitrate plumes in groundwater: A pilot-scale tank study
    Lee, Byung Sun
    Lee, Kyuyeon
    Um, Jae Yeon
    Nam, Kyoungphile
    CHEMOSPHERE, 2014, 97 : 135 - 139
  • [5] REMOVING COLOR FROM A GROUNDWATER SOURCE
    LO, T
    SUDAK, RG
    JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1992, 84 (01): : 79 - 87
  • [6] On the use of coprostanol to identify source of nitrate pollution in groundwater
    Nakagawa, Kei
    Amano, Hiroki
    Takao, Yuji
    Hosono, Takahiro
    Berndtsson, Ronny
    JOURNAL OF HYDROLOGY, 2017, 550 : 663 - 668
  • [7] Simulated Experiment of Removing Nitrate from Groundwater by Denitrobacteria
    Liu Yong
    Qian Jiazhong
    Wang Lulu
    Chen Zhou
    PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON ASIAN-EUROPEAN ENVIRONMENTAL TECHNOLOGY AND KNOWLEDGE TRANSFER, 2008, : 215 - 217
  • [8] Research Advances of Groundwater Nitrate Pollution and Source Apportionment in China
    Tu C.-L.
    Chen Q.-S.
    Yin L.-H.
    Li Q.
    He C.-Z.
    Liu Z.-N.
    Huanjing Kexue/Environmental Science, 2024, 45 (06): : 3129 - 3141
  • [9] Removal of nitrate from groundwater by heterotrophic denitrification using the solid carbon source
    WANG XuMing1
    2 College of Plant Science
    Science in China(Series B:Chemistry), 2009, (02) : 236 - 240
  • [10] Removal of nitrate from groundwater by heterotrophic denitrification using the solid carbon source
    XuMing Wang
    JianLong Wang
    Science in China Series B: Chemistry, 2009, 52 : 236 - 240