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Water
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Biological Treatment of Water and Wastewater
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Biological Treatment of Water and Wastewater

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: closed (24 September 2023) | Viewed by 3425

Special Issue Editors

Prof. Dr. Jesus Gonzalez-Lopez

E-Mail Website
Guest Editor
Water Research Institute, University of Granada, 18071 Granada, Spain
Interests: membrane bioreactors; environmental microbiology; wastewater treatment; water microbiology; biofilms; nitrogen cycle in aquatic systems; anammox and granular technologies; microbial diversity in aquatic systems
Special Issues, Collections and Topics in MDPI journals
Dr. Paula Maza-Márquez

E-Mail Website1 Website2
Guest Editor
Department of Microbiology, University of Granada, 18071 Granada, Spain
Interests: environmental microbiology; wastewater treatment; microbial ecology; correlation networks; metatranscriptomics
Special Issues, Collections and Topics in MDPI journals
Dr. David Correa-Galeote

E-Mail Website1 Website2
Guest Editor
Department of Microbiology, University of Granada, 18071 Granada, Spain
Interests: environmental microbiology; wastewater treatment; microbial ecology; correlation networks; mixed microbial culture (MMC)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The biological treatment of waste and wastewater is an exceptionally attractive technology due to its numerous advantages; indeed, it is cost saving, environmentally compatible, reliable and easy to manage, and minimizes the generation of by-products. Living organisms may contribute to the removal of organic and inorganic pollutants from their surrounding media via several mechanisms, and efficient biodegradation can be performed either by a single species of microorganism or by a microbial consortia. Indigenous microbes that  inhabit polluted wastewater sources or other contaminated sites are often able to tolerate and effectively degrade toxic compounds, with the microbiome able to work syntrophically in order to degrade recalcitrant compounds from wastewater.

Therefore, this Special Issue of Water on the ‘Biological Treatment of Water and Wastewater’ welcomes original research and review manuscripts that focus on the  biological treatment of wastewater.

Research may include, but is not limited to, the following areas of interest:

  • Strategies for wastewater treatment: bioaugmentation, biostimulation, and co-metabolism;
  • Environmental impacts of waste or wastewater treatment;
  • Water quality and security;
  • Nitrogen, phosphorous, and sulfur biological removal from wastewater;
  • Valuable products obtained from biological treatment, e.g., nutrients and energy;
  • Wastewater treatment based on different technologies, such as SBR, A/O, A/A/O, UASB, MBR, and biofilms;
  • Removal of emerging contaminants (e.g., antibiotics, anti-inflammatory/analgesic compounds, β-blockers, antihypertensives/diuretics, lipid regulators, psychiatric drugs) from wastewater;
  • Understanding the natural microbiome using metagenome and metatranscriptome sequencing to biological wastewater treatment;

Prof. Dr. Jesus Gonzalez-Lopez
Dr. Paula Maza-Márquez
Dr. David Correa-Galeote
Guest Editors

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. Water 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 2600 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

  • biological wastewater treatment
  • biodegradation
  • biotransformation
  • bioremediation
  • biological process
  • metagenome
  • metatranscriptome
  • emerging contaminants

Published Papers (2 papers)

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Research

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23 pages, 4682 KiB  
Article
Insights into the Physicochemical Parameters, Microbial Community Structure, and Functional Variations in Biodegradation of N-Alkane Derivatives from Fischer–Tropsch Wastewater
by Lebohang E. Koloti, Rosina Nkuna and Tonderayi S. Matambo
Water 2024, 16(1), 141; https://doi.org/10.3390/w16010141 - 29 Dec 2023
Viewed by 900
Abstract
This study provides a theoretical baseline on the application of chemical and microbiological indicators as rapid system performance monitoring tools that will allow for timely corrective measures to maintain and improve the bioremediation performance of the Fischer–Tropsch wastewater (FTWW) treatment plants. Microorganisms isolated [...] Read more.
This study provides a theoretical baseline on the application of chemical and microbiological indicators as rapid system performance monitoring tools that will allow for timely corrective measures to maintain and improve the bioremediation performance of the Fischer–Tropsch wastewater (FTWW) treatment plants. Microorganisms isolated from the sediments and water samples collected from site 1 of Blesbokspruit wetland exhibited the highest biodegradation efficiency of up to 98.04% and 92.85%, respectively, in 96 h reaction time using batch culture media spiked with 300 ppm short chain n-alkane derivatives. The highest COD reduction rate was observed during the first 24 h of biodegradation, and it steadily declined thereafter. The decline in pH from 7.0 to 6.3 was observed in the 96 h reaction time and was attributed to the production of acidic secondary metabolites and the entrapment of the produced CO2 within the batch media. The ORP also declined from the aerobic zone to the anaerobic zone within 24 h (day 1) reaction time. The EC and TDS results were also indicative of the rate of consumption of essential nutrients during the biodegradation process, which could be related to biochemical reactions involved in biodegradation of n-alkane derivatives. Proteobacteria and Firmicutes were the prevalent phyla during the biodegradation of the n-alkane derivatives. Enterococcus and Escherichia genera were more dominant on most days of biodegradation, therefore, indicating that these genera were actively involved in the biodegradation process of the n-alkane derivatives. These genera displayed a positive correlation with EC, ORP, pH and TDS in the four days of biodegradation for batch cultures inoculated with microorganisms from the water and sediments samples collected from the Blesbokspruit wetland. The results obtained demonstrated that physicochemical and microbiological indices can be used to infer the biodegradation rates, patterns and system operations in FTWW bioremediation. Full article
(This article belongs to the Special Issue Biological Treatment of Water and Wastewater)
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Review

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50 pages, 8951 KiB  
Review
Integrated Phytobial Remediation of Dissolved Pollutants from Domestic Wastewater through Constructed Wetlands: An Interactive Macrophyte-Microbe-Based Green and Low-Cost Decontamination Technology with Prospective Resource Recovery
by Tarun Kumar Thakur, Mahesh Prasad Barya, Joystu Dutta, Pritam Mukherjee, Anita Thakur, Singam Laxmana Swamy and James T. Anderson
Water 2023, 15(22), 3877; https://doi.org/10.3390/w15223877 - 07 Nov 2023
Cited by 1 | Viewed by 2262
Abstract
Macrophytes have the potential to withstand pollutant-induced stress and can be used to clean contaminated water using phyto-extraction, phyto-degradation, phyto-filtration, phyto-stimulation, and phyto-volatilization technique(s). Phytoremediation through constructed wetlands (CWs) for eliminating inorganic and organic pollutants from household sewage and wastewater has attracted scientific [...] Read more.
Macrophytes have the potential to withstand pollutant-induced stress and can be used to clean contaminated water using phyto-extraction, phyto-degradation, phyto-filtration, phyto-stimulation, and phyto-volatilization technique(s). Phytoremediation through constructed wetlands (CWs) for eliminating inorganic and organic pollutants from household sewage and wastewater has attracted scientific attention. CWs are artificially engineered treatment systems that utilize natural cycles or processes involving soils, wetland vegetation, and plant and soil-associated microbial assemblages to remediate contaminated water and improve its quality. Herein, we present a detailed assessment of contaminant removal effectiveness in different CW systems, i.e., free-water surface or surface-flow constructed wetlands (FWSCWs/SFCWs), subsurface-flow constructed wetlands (SSFCWs), and hybrid constructed wetlands (HCWs). Several wetland floral species have been reported as potential phytoremediators, effectively reducing aquatic contamination through biodegrading, biotransforming, and bioaccumulating contaminants. Water hyacinth (Pontederia crassipes) is one of the most resistant macrophytes, capable of tolerating high nitrate (NO3−) and phosphate (PO42−) concentrations. Other aquatic weeds also effectively alleviate biological oxygen demand (BOD), chemical oxygen demand (COD), total dissolved solids (TDS), and pathogen levels and ameliorate the impact of different ionic forms of nitrogen (N), phosphorus (P), and trace elements (TEs). The review primarily focuses on using hydrophyte(s)-microbe(s) associations in different CWs as an essential phytoremediation tool for sustainable management of freshwater ecosystems, ecorestoration, and prospective resource recovery, favoring a circular bioeconomy (CBE). Full article
(This article belongs to the Special Issue Biological Treatment of Water and Wastewater)
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