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Solutions to Water Pollution by Sewage, Nutrients and Chemicals

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Water Management".

Deadline for manuscript submissions: 10 May 2024 | Viewed by 1517

Special Issue Editor


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Guest Editor
Geological Institute of Romania, 012271 Bucharest, Romania
Interests: water quality; environmental impact assessment; water resources management; environmental analysis; environmental pollution; water and wastewater treatment; chemistry; impact risk assessment; environmental modeling; waste utilization

Special Issue Information

Dear Colleagues,

Water pollution is one of the main problems facing humanity due to the presence of a large number of regulated and unregulated or emerging pollutants.

Despite the significant efforts undertaken globally in the field of water pollution reduction, it is known that a significant percentage of the world's wastewater returns to the environment without being treated or reused, and the application of optimal pollution reduction solutions remains a challenge.

This Special Issue aims to present research articles and review papers that can provide integrated approaches on methods, solutions and application of best practices for water pollution reduction and a sustainable environment.

In this regard, researchers from all over the world who study this and related issues are invited to contribute their work to this Special Issue, in order to emphasize the interdisciplinary nature of the complex relationship between water quality and human health.

Water is a unique and unreplaceable natural resource, crucial for human health and wellbeing and preventing and reducing water pollution is essential to improving quality of life and promoting sustainable development protecting future resources.

Dr. Monica Radu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • water pollution
  • organic and inorganic pollutants
  • nutrients removal
  • chemicals methods water resources
  • wastewater treatment

Published Papers (1 paper)

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Review

37 pages, 1338 KiB  
Review
Advances in Nitrogen-Rich Wastewater Treatment: A Comprehensive Review of Modern Technologies
by Abdullah Omar, Fares Almomani, Hazim Qiblawey and Kashif Rasool
Sustainability 2024, 16(5), 2112; https://doi.org/10.3390/su16052112 - 03 Mar 2024
Viewed by 1271
Abstract
Nitrogen-rich wastewater is a major environmental issue that requires proper treatment before disposal. This comprehensive overview covers biological, physical, and chemical nitrogen removal methods. Simultaneous nitrification–denitrification (SND) is most effective in saline water when utilizing both aerobic and anoxic conditions with diverse microbial [...] Read more.
Nitrogen-rich wastewater is a major environmental issue that requires proper treatment before disposal. This comprehensive overview covers biological, physical, and chemical nitrogen removal methods. Simultaneous nitrification–denitrification (SND) is most effective in saline water when utilizing both aerobic and anoxic conditions with diverse microbial populations for nitrogen removal. Coupling anammox with denitrification could increase removal rates and reduce energy demand. Suspended growth bioreactors effectively treated diverse COD/N ratios and demonstrated resilience to low C/N ratios. Moving biofilm bioreactors exhibit reduced mortality rates, enhanced sludge–liquid separation, increased treatment efficiency, and stronger biological structures. SND studies show ≥90% total nitrogen removal efficiency (%RETN) in diverse setups, with Defluviicoccus, Nitrosomonas, and Nitrospira as the main microbial communities, while anammox–denitrification achieved a %RETN of 77%. Systems using polyvinyl alcohol/sodium alginate as a growth medium showed a %RETN ≥ 75%. Air-lift reflux configurations exhibited high %RETN and %RENH4, reducing costs and minimizing sludge formation. Microwave pretreatment and high-frequency electric fields could be used to improve the %RENH4. Adsorption/ion exchange, membrane distillation, ultrafiltration, and nanofiltration exhibit promise in industrial wastewater treatment. AOPs and sulfate-based oxidants effectively eliminate nitrogen compounds from industrial wastewater. Tailoring proposed treatments for cost-effective nitrogen removal, optimizing microbial interactions, and analyzing the techno-economics of emerging technologies are crucial. Full article
(This article belongs to the Special Issue Solutions to Water Pollution by Sewage, Nutrients and Chemicals)
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