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Innovative Biotechnologies towards Energy-Efficient Treatment of Wastewater

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

Deadline for manuscript submissions: closed (13 October 2023) | Viewed by 3779

Special Issue Editors


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Guest Editor
Department of Environmental Sciences, University of Gujrat, Gujrat 50700, Pakistan
Interests: ioremediation; phytoremediation; air pollution; noise pollution; soil pollution

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Guest Editor
Department of Environmental Sciences, University of Gujrat, Gujrat 50700, Pakistan
Interests: wastewater treatment; solid waste managment

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Guest Editor
1. Department of Environmental Sciences and Engineering, Government College University Allama Iqbal Road, Faisalabad 38000, Pakistan
2. Department of Biological Sciences and Technology, China Medical University, Taichung 40402, Taiwan
Interests: wastewater treatment technologies; soil and water pollution abatement strategies

Special Issue Information

Dear Colleagues,

Climate change is a great concern for the modern world and achieving carbon neutrality by the end of the 21st century is currently one of the most pressing challenges. Conventional sewage treatment plants, such as activated sludge, require a high amount of energy due to the aeration required. They also consequentially have a high carbon footprint, which is contrary to the goal of carbon emissions reduction. In recent years, different modern biotechnologies have been established with great potential to treat wastewater while consuming less energy. However, more research and advancements to provide innovative biotechnologies for energy-efficient wastewater treatment are needed.

This Special Issue, “Innovative Biotechnologies Towards Energy-Efficient Treatment of Wastewater”, offers an opportunity for scientists from across the world to exchange ideas and practical insights on how to develop energy-efficient wastewater treatment plants. Therefore, in this Special Issue, we are calling for authors to submit their novel research and review articles on topics related innovative biotechnological techniques for the Energy-Efficient Treatment of Wastewater and additional resource recovery.

The following is an overview of the primary concepts:

  • Anaerobic membrane bioreactors;
  • Microbial fuel cells (MFC) for electricity generation and Wastewater treatment;
  • Anammox;
  • Resource recovery from wastewater and sludge;
  • Microbes-based approaches for the treatment of contaminants;
  • Organic and inorganic amendments in efficiently improving microbe and algae treatment;
  • Carbon sequestration from wastewater;
  • Other cutting-edge biotechnologies for effluent treatment;
  • Bioremediation and resource recovery from wastewater treatment plants;
  • Phytotreatment of municipal and industrial wastewater;
  • Sustainable plant-microbe and chelating agent treatment of wastewater.

Dr. Mujahid Farid
Dr. Zaki ul Zaman Asam
Dr. Shafaqat Ali
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. 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

  • wastewater treatment
  • microbial fuel cells (MFCs)
  • anaerobic digestion
  • resource recovery
  • anammox
  • chelating agents
  • bioremediation

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Published Papers (1 paper)

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Research

12 pages, 1945 KiB  
Article
A Sustainable Approach to Dyed Cotton Fabric Stripping Using Ozone
by Amna Zulfiqar, Fariha Arooj, Mahwish Aftab, Muhammad Rashid, Muhammad Luqman, Saif ur Rehman Kashif and Rahat Naseer
Sustainability 2023, 15(9), 7467; https://doi.org/10.3390/su15097467 - 1 May 2023
Cited by 2 | Viewed by 3032
Abstract
Sodium hydrosulfite is conventionally used for the color stripping of reactive dyes in the textile industry. However, research has been focused on eco-friendly processes to reduce wastewater generation in recent years. This study is aimed at estimating the color stripping efficacy of ozone [...] Read more.
Sodium hydrosulfite is conventionally used for the color stripping of reactive dyes in the textile industry. However, research has been focused on eco-friendly processes to reduce wastewater generation in recent years. This study is aimed at estimating the color stripping efficacy of ozone according to reactive dyes’ chromophore groups. The dyed cotton-knitted fabric with three reactive dyes that have phthalocyanine (Reactive blue 21), diazo (Reactive black 5) and monoazo (Reactive yellow 84) chromophores was treated with ozone. The effect of the experimental parameters (pH, ozone dose and treatment time) was examined on the dyed fabric samples in terms of lightness and bursting strength properties. The results show that the decolorization efficiency of ozone varies with the type of chromophore group. The maximum color removal was achieved for the Reactive blue 21 dye of the phthalocyanine group at optimum process conditions (pH 3, Ozone dose 7 g/h, exposure time 40 min) followed by the reactive dyes that have dioazo and monoazo chromophore groups, respectively. The bursting strength of the fabric sample decolorized using ozone remained stable throughout the study. Moreover, the ozone-stripping effluent meets the environmental quality standards and can be reused up to at least four cycles without affecting the stripping efficiency. Hence, it can provide a sustainable alternative to reduce water consumption in the textile sector. Full article
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