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Catalytic Performance of Cow-Dung Sludge in Water Treatment Mitigation and Conversion of Ammonia Nitrogen into Nitrate

Author

Listed:
  • Lokesh Kumar

    (Department of Applied Chemistry, Delhi Technological University, Delhi 110042, India)

  • Jaigopal Sharma

    (Department of Biotechnology, Delhi Technological University, Delhi 110042, India)

  • Raminder Kaur

    (Department of Polymer Science and Chemical Technology, Delhi Technological University, Delhi 110042, India)

Abstract

The present research study was performed to find a solution for the mitigation of ammonia nitrogen in municipally treated sewage effluent (MTSE) using two natural bio-resources. One was composted cow-dung sludge that had catalytic enzymes and nitrifying bacterial mass, and the second was Yucca extract (a desert plant). MTSE samples put in one-liter beakers/jars having initial ammonia nitrogen content of 34.78 mg/L, when treated with 0.0 g/L (control Sample), 1 g/L, 5 g/L (cowdung) and 10 mg/L, 50 mg/L ( Yucca extract), respectively, reported depletion of ammonia nitrogen to about 0.00 mg/L ammonia (NH 3 ) as N. It (NH 3 ) transformed to 17.8, 0.18, 0.09, 18.65, and 18.85 mg/L nitrite asN. Ammonia converted to 21.8, 110.1, 133.5, 20.5, 20.8 mg/L nitrate asNO 3, respectively. After eight days of treatment, the jar test apparatus reported the results at 35 rounds per minute (RPM) and a temperature of 32 °C. It was found that digested cowdung acted catalytically in eliminating the ammonia nitrogen by converting it to nitrate in a short period of nearly eight days, leading to almost 100% ammonia conversion.

Suggested Citation

  • Lokesh Kumar & Jaigopal Sharma & Raminder Kaur, 2022. "Catalytic Performance of Cow-Dung Sludge in Water Treatment Mitigation and Conversion of Ammonia Nitrogen into Nitrate," Sustainability, MDPI, vol. 14(4), pages 1-11, February.
  • Handle: RePEc:gam:jsusta:v:14:y:2022:i:4:p:2183-:d:749516
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    Cited by:

    1. Shuyu Wu & Zhuangzhuang Zhang & Jiang Li & Tianao Wu & Xiyun Jiao, 2022. "An Experimental Study of Paddy Drainage Treatment by Zeolite and Effective Microorganisms (EM)," Sustainability, MDPI, vol. 14(12), pages 1-11, June.

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