Trends in Biological Nutrient Removal for the Treatment of Low Strength Organic Wastewaters

J. Rajesh Banu, J. Merrylin, S. Kavitha, R. Yukesh Kannah, P. Selvakumar, S. Gopikumar, P. Sivashanmugam, Khac Uan Do, Gopalakrishnan Kumar

Research output: Contribution to journalReview articlepeer-review

7 Citations (Scopus)


Recently, the quickly growing population living in urban location has caused numerous conflicts related to increase in water demand and water pollution. In urban areas, the surface water bodies allow runoffs and storms and in addition act as wastewater drainage pathways. Mostly, the imperfect separation of rainwater and clean wastewater has made large quantities of wastewater discharged into the surface water, resulting in serious pollution. There are many treatment methods for the polluted water bodies such as coagulation, filtration, and ecological floating bed which are related to nutrient removal. The above listed methods are usually capable in reducing pollution load. Wastewaters generated from two sources such as point source (domestic and industries) and non-point source (agricultural and storm water runoff). Finally it reaches nearby water bodies and the abovementioned methods are to be frequently employed in a wastewater treatment plant to remove nutrients. Most of the pollutants in the vastly polluted water are in dissolved forms; hence, an appropriate treatment method relevant to the design and development of the integrated multistage reactor with extended wastewater treatment is reviewed in this paper. Evaluating the accumulation, precipitation, retention, and removal of phosphorus, along with removal of nitrogen, is discussed in brief.

Original languageEnglish
JournalCurrent Pollution Reports
Issue number1
Publication statusPublished - 2021 Mar

Bibliographical note

Funding Information:
This work is supported by the Department of Biotechnology, India under its initiative Mission innovation Challenge Scheme (IC4). The grant from the project entitled “A novel integrated biorefinery for conversion of lignocellulosic agro waste into value-added products and bioenergy (BT/PR31054/PBD/26/763/2019)” is utilized for this study.

Publisher Copyright:
© 2020, Springer Nature Switzerland AG.

All Science Journal Classification (ASJC) codes

  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution
  • Management, Monitoring, Policy and Law


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