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Wastewater Treatment, Recycling and Reuse
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Wastewater Treatment, Recycling and Reuse

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

Deadline for manuscript submissions: closed (25 December 2024) | Viewed by 1210

Special Issue Editors

Dr. Laura Bulgariu

E-Mail Website
Guest Editor
Department of Environmental Engineering and Management, “Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, Technical University Gheorghe Asachi of Iasi, Iasi, Romania
Interests: heavy metals pollutants; biosorption/adsorption; environmental bioremediation; low-cost biosorbents/adsorbents; wastewater treatment; waste recycling
Special Issues, Collections and Topics in MDPI journals
Dr. Izabela Michalak

E-Mail Website
Guest Editor
Department of Advanced Material Technologies, Faculty of Chemis-try, Wrocław University of Science and Technology, Smoluchowski-ego 25, 50-372 Wrocław, Poland
Interests: the technology of waste biomass management for products for agriculture; biosorp-tion/bioaccumulation of metal ions by biomass; production of feed addi-tives/components of fertilizers with microelements via biosorption; biosorption of toxic metal ions from wastewater; composting of biomass; extraction of biologically active compounds from algae; the technology of algal extracts and their potential applications in agriculture (plant growth biostimulants, dietary feed supplements); production of algal biochar via pyrolysis and its properties; germination tests; pot experiments; field trials
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Eva Díaz

E-Mail Website
Guest Editor
Department Chemical and Environmental Engineering, Faculty of Chemistry, University of Oviedo, Oviedo, Spain
Interests: adsorption; catalysts; biomass; volatile organic compound; biodiesel; wastewater sludge; metal-organic frameworks
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Due to excessive use of water resources in agricultural and industrial activities, large amounts of effluents contaminated with organic and inorganic pollutants are released into the environment. In addition to the effects due to environmental pollution, the problem of reducing water waste is becoming more and more urgent. Therefore, finding methods that allow the efficient removal of pollutants and provide the possibility of reusing waste water is an important problem, for which scientific research must find appropriate solutions.

This Special Issue focuses on the use of wastewater treatment methods that allow both the removal of pollutants (organic and inorganic) from wastewater and the possibility of its reuse (in agricultural or industrial activities). Original research papers of high scientific quality as well as review articles are welcome. Manuscripts can cover, but are not limited to, the following topics:

  • Efficient treatment of water/wastewater containing inorganic and organic pollutants;
  • New composite materials with applications in water/wastewater treatment;
  • Developments of cost-effective methods for recycling and reuse of treated water;
  • New strategies to reuse and reduce water waste.

Dr. Laura Bulgariu
Dr. Izabela Michalak
Prof. Dr. Eva Díaz
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

  • wastewater treatment methods
  • removal of inorganic/organic pollutants
  • advanced materials
  • water control pro-cesses
  • water reuse and recycling strategies

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

16 pages, 2217 KiB  
Article
Circular Approach of Using Soybean Biomass for the Removal of Toxic Metal Ions from Wastewater
by Daniela-Ionela Ferţu, Alina-Alexandra Ciobanu, Irina Gabriela Cara, Iuliana Motrescu, Iftikhar Ahmad, Gabriela Nacu and Laura Bulgariu
Water 2024, 16(24), 3663; https://doi.org/10.3390/w16243663 - 19 Dec 2024
Cited by 1 | Viewed by 688
Abstract
The discharge of industrial effluents containing toxic heavy metals in water sources has serious consequences for human health and the environment, and biosorption appears to be an environmentally-friendly and cost-effective alternative that can be used for wastewater treatment. The use of different types [...] Read more.
The discharge of industrial effluents containing toxic heavy metals in water sources has serious consequences for human health and the environment, and biosorption appears to be an environmentally-friendly and cost-effective alternative that can be used for wastewater treatment. The use of different types of agricultural waste as biosorbents for the removal of toxic heavy metals, although an alternative, is quite difficult to apply in practice because these wastes have many other uses. Based on these considerations, in this study, soybean biomass (SB), soybean waste biomass obtained from oil extraction (SBW), and biochar obtained from soybean waste pyrolysis (BC-SBW) were tested as biosorbents for removing Pb(II) and Cd(II) ions, in batch systems. Under optimal conditions (pH = 5.4, 4.0 g biosorbent/L, room temperature (25 ± 1 °C), contact time = 180 min), the biosorption capacity increases in the order SB < SBW < BC-SBW for both metal ions (Pb(II) ions (69.43 mg/g < 99.81 mg/g < 116.83 mg/g) and Cd(II) ions (25.63 mg/g < 36.12 mg/g < 49.10 mg/g)), indicating that BC-SBW has the highest efficiency in removing toxic heavy metals. In addition, experiments on wastewater samples have shown that, in addition to significantly reducing the content of heavy metals, BC-SBW also significantly improved other quality indicators (such as pH, TSM (total suspended matter), COD (chemical oxygen demand), BOD5 (biochemical oxygen demand)), compared to the other biosorbents (SB and SBW). Quantitative evaluation of the biosorption performance of each biosorbent (SB, SBW, and BC-SBW) shows that BC-SBW has a real chance of being used on an industrial scale for wastewater treatment. All these aspects allowed the development of a circular approach for the use of soybean biomass in the removal processes of toxic heavy metals. This approach minimizes the shortcomings of using biomass as a biosorbent and increases the chance of using these materials in industrial practice. Full article
(This article belongs to the Special Issue Wastewater Treatment, Recycling and Reuse)
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