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Effect of Methyl Paraben on Sludge Reduction

Received: 22 June 2018     Published: 23 June 2018
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Abstract

Activated sludge process is the most widely used sewage treatment technology, which accounts for more than 90% of urban sewage treatment processes and about 50% of industrial wastewater treatment processes. The essence of the activated sludge process is that microorganisms use the biodegradable organic matter in the sewage as nutrients for metabolism and meanwhile remove them, while large amounts of sludge would be generated inevitably during the sewage treatment process. The cost for the sludge treatment accounts for about 50% of the operating cost of the sewage treatment plant. In this study, the effects of uncoupler propyl paraben on sludge reduction and sewage treatment were conducted, and the results showed that the optimized concentration of propyl paraben for sludge reduction was 30 mg/l, which achieved 41% sludge reduction effect. Under the optimized propyl paraben concentration, the average removal rate of COD increased from 93.35% in the blank group to 94.53%; the average removal rate of NH4+-N increased from 65.47% in the blank group to 83.84%; the average removal rate of PO43--P from the 58.47% in the blank group increased to 67.36%; meanthile the sludge kept good settalbility during the sewage treatment process.

Published in Science Discovery (Volume 6, Issue 3)
DOI 10.11648/j.sd.20180603.16
Page(s) 175-183
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Propyl Paraben, Sewage Treatment, Sludge Reduction

References
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    Guo Wangqian, Chen Tianhui. (2018). Effect of Methyl Paraben on Sludge Reduction. Science Discovery, 6(3), 175-183. https://doi.org/10.11648/j.sd.20180603.16

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    ACS Style

    Guo Wangqian; Chen Tianhui. Effect of Methyl Paraben on Sludge Reduction. Sci. Discov. 2018, 6(3), 175-183. doi: 10.11648/j.sd.20180603.16

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    AMA Style

    Guo Wangqian, Chen Tianhui. Effect of Methyl Paraben on Sludge Reduction. Sci Discov. 2018;6(3):175-183. doi: 10.11648/j.sd.20180603.16

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  • @article{10.11648/j.sd.20180603.16,
      author = {Guo Wangqian and Chen Tianhui},
      title = {Effect of Methyl Paraben on Sludge Reduction},
      journal = {Science Discovery},
      volume = {6},
      number = {3},
      pages = {175-183},
      doi = {10.11648/j.sd.20180603.16},
      url = {https://doi.org/10.11648/j.sd.20180603.16},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20180603.16},
      abstract = {Activated sludge process is the most widely used sewage treatment technology, which accounts for more than 90% of urban sewage treatment processes and about 50% of industrial wastewater treatment processes. The essence of the activated sludge process is that microorganisms use the biodegradable organic matter in the sewage as nutrients for metabolism and meanwhile remove them, while large amounts of sludge would be generated inevitably during the sewage treatment process. The cost for the sludge treatment accounts for about 50% of the operating cost of the sewage treatment plant. In this study, the effects of uncoupler propyl paraben on sludge reduction and sewage treatment were conducted, and the results showed that the optimized concentration of propyl paraben for sludge reduction was 30 mg/l, which achieved 41% sludge reduction effect. Under the optimized propyl paraben concentration, the average removal rate of COD increased from 93.35% in the blank group to 94.53%; the average removal rate of NH4+-N increased from 65.47% in the blank group to 83.84%; the average removal rate of PO43--P from the 58.47% in the blank group increased to 67.36%; meanthile the sludge kept good settalbility during the sewage treatment process.},
     year = {2018}
    }
    

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  • TY  - JOUR
    T1  - Effect of Methyl Paraben on Sludge Reduction
    AU  - Guo Wangqian
    AU  - Chen Tianhui
    Y1  - 2018/06/23
    PY  - 2018
    N1  - https://doi.org/10.11648/j.sd.20180603.16
    DO  - 10.11648/j.sd.20180603.16
    T2  - Science Discovery
    JF  - Science Discovery
    JO  - Science Discovery
    SP  - 175
    EP  - 183
    PB  - Science Publishing Group
    SN  - 2331-0650
    UR  - https://doi.org/10.11648/j.sd.20180603.16
    AB  - Activated sludge process is the most widely used sewage treatment technology, which accounts for more than 90% of urban sewage treatment processes and about 50% of industrial wastewater treatment processes. The essence of the activated sludge process is that microorganisms use the biodegradable organic matter in the sewage as nutrients for metabolism and meanwhile remove them, while large amounts of sludge would be generated inevitably during the sewage treatment process. The cost for the sludge treatment accounts for about 50% of the operating cost of the sewage treatment plant. In this study, the effects of uncoupler propyl paraben on sludge reduction and sewage treatment were conducted, and the results showed that the optimized concentration of propyl paraben for sludge reduction was 30 mg/l, which achieved 41% sludge reduction effect. Under the optimized propyl paraben concentration, the average removal rate of COD increased from 93.35% in the blank group to 94.53%; the average removal rate of NH4+-N increased from 65.47% in the blank group to 83.84%; the average removal rate of PO43--P from the 58.47% in the blank group increased to 67.36%; meanthile the sludge kept good settalbility during the sewage treatment process.
    VL  - 6
    IS  - 3
    ER  - 

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Author Information
  • Environmental School, Harbin Institute of Technology, Haerbin, China

  • Environmental School, Harbin Institute of Technology, Haerbin, China

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