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Applied Sciences
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Wastewater Treatment Technologies II
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Wastewater Treatment Technologies II

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Chemical and Molecular Sciences".

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 3375

Special Issue Editor

Prof. Dr. Jaecheul Yu

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Korea
Interests: conventional and advanced wastewater treatment; biological waste treatment; biological nitrogen removal; shortcut nitrogen removal; microbial electrochemical wastewater treatment; microbial community
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Wastewater treatment technology has a history spanning thousands of years, while the activated sludge process is only 100 years old. Wastewater treatment technology has been developed by combining basic science such as chemistry, microbiology, and biochemistry with various engineering technologies such as civil engineering, chemical engineering, and biotechnology.

To solve global problems such as water shortage and energy crisis, wastewater is recognized as a resource, and various wastewater treatment technologies are being researched.

Thus, this Special Issue aims to collect and present all breakthrough research on all wastewater treatment technologies, including activated sludge, anaerobic digestion, membrane bioreactor, membrane aerated biofilm reactors, microbial electrochemical technology and others, removal mechanisms, and microbial communities. The scope of this Special Issue covers but is not limited to the following topics:

  • Conventional and advanced wastewater treatment technologies (including AS, AD, MBR and others);
  • Energy-neutral or low-energy wastewater treatment technologies (MABR, ANAMMOX, and others);
  • Nitrogen or phosphorus removal technologies;
  • Removal mechanisms and microbial communities in wastewater treatment processes.

Prof. Dr. Jaecheul Yu
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. Applied Sciences 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 (conventional, advanced, and biological)
  • nutrient removal (nitrogen and phosphorus)
  • nitrogen removal (nitrification, denitrification, and ANANMMOX)
  • energy-neutral or low-energy wastewater treatment
  • microbial electrochemical wastewater treatment
  • microbial community

Published Papers (2 papers)

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Review

36 pages, 2470 KiB  
Review
The Use of Coagulation–Flocculation for Industrial Colored Wastewater Treatment—(I) The Application of Hybrid Materials
by Carmen Zaharia, Corina-Petronela Musteret and Marius-Alexandru Afrasinei
Appl. Sci. 2024, 14(5), 2184; https://doi.org/10.3390/app14052184 - 05 Mar 2024
Viewed by 840
Abstract
Polluting species released in industrial-colored effluents contaminate water, degrading its quality and persisting in the aquatic environment; therefore, it must be treated for safe discharge or onsite reuse/recycling to ensure a fresh water supply. This review has the principal goal of facilitating understanding [...] Read more.
Polluting species released in industrial-colored effluents contaminate water, degrading its quality and persisting in the aquatic environment; therefore, it must be treated for safe discharge or onsite reuse/recycling to ensure a fresh water supply. This review has the principal goal of facilitating understanding of some important issues concerning wastewater (WW) treatment systems, mainly based on a coagulation–flocculation step, as follows: (i) the significance of and facilities offered by specialized treatment processes, including the coagulation–flocculation step as a single or associated step (i.e., coagulation–flocculation followed by sedimentation/filtration or air flotation); (ii) the characteristics of industrial-colored WW, especially WW from the textile industry, which can be reduced via the coagulation–flocculation step; (iii) primary and secondary groups of hybrid materials and their characteristics when used as coagulants–flocculants; (iv) the influence of different process operating variables and treatment regimens on the efficiency of the studied treatment step; and (v) the benefits of using hybrid materials in colored WW treatment processes and its future development perspectives. The consulted scientific reports underline the benefits of applying hybrid materials as coagulants–flocculants in colored textile WW treatment, mainly fresh, natural hybrid materials that can achieve high removal rates, e.g., dye and color removal of >80%, heavy metals, COD and BOD of >50%, or turbidity removal of >90%. All of the reported data underline the feasibility of using these materials for the removal of colored polluting species (especially dyes) from industrial effluents and the possibility of selecting the adequate one for a specific WW treatment system. Full article
(This article belongs to the Special Issue Wastewater Treatment Technologies II)
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33 pages, 4439 KiB  
Review
Mitigation of Non-Steroidal Anti-Inflammatory and Antiretroviral Drugs as Environmental Pollutants by Adsorption Using Nanomaterials as Viable Solution—A Critical Review
by Sisonke Sigonya, Thabang Hendrica Mokhothu, Teboho Clement Mokhena and Talent Raymond Makhanya
Appl. Sci. 2023, 13(2), 772; https://doi.org/10.3390/app13020772 - 05 Jan 2023
Cited by 8 | Viewed by 2054
Abstract
Traces of pharmaceuticals of various classes have been reported as emerging pollutants, and they continue to be detected in aquatic environments. The steady growth of pharmaceuticals in water, as well as the related negative consequences, has made it a major priority to discover [...] Read more.
Traces of pharmaceuticals of various classes have been reported as emerging pollutants, and they continue to be detected in aquatic environments. The steady growth of pharmaceuticals in water, as well as the related negative consequences, has made it a major priority to discover effective ways for their removal from water. Various strategies have been used in the past in order to address this issue. Recently, nanotechnology has emerged as a topic of intense interest for this purpose, and different technologies for removing pharmaceuticals from water have been devised and implemented, such as photolysis, nanofiltration, reverse osmosis, and oxidation. Nanotechnological approaches including adsorption and degradation have been comprehensively examined in this paper, along with the applications and limits, in which various types of nanoparticles, nanocomposites, and nanomembranes have played important roles in removing these pharmaceutical pollutants. However, this review focuses on the most often used method, adsorption, as it is regarded as the superior approach due to its low cost, efficiency, and ease of application. Adsorption kinetic models are explained to evaluate the effectiveness of nano-adsorbents in evaluating mass transfer processes in terms of how much can be adsorbed by each method. Several robust metals, metal oxides, and functionalized magnetic nanoparticles have been highlighted, classified, and compared for the removal of pharmaceuticals, such as non-steroidal, anti-inflammatory and antiretroviral drugs, from water. Additionally, current research difficulties and prospects have been highlighted. Full article
(This article belongs to the Special Issue Wastewater Treatment Technologies II)
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