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Applied Sciences
Special Issues
Sustainable Wastewater Treatment, Theory, Methods and Applications
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Sustainable Wastewater Treatment, Theory, Methods and Applications

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

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 7278

Special Issue Editor

Prof. Jaewook Myung

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, KAIST, Daejeon 34141, Korea
Interests: biogas; bioplastics; environmental biotechnology; resource recovery; wastewater; solid waste; bioelectricity; environmental electrochemistry

Special Issue Information

Dear Colleagues,

There is an urgent need for wastewater treatment plants (WWTPs) to adapt to a rise in water and energy demands, prolonged periods of drought, climate variability, and resource scarcity. As the population increases, minimizing the carbon and energy footprints of wastewater treatment, while properly managing nutrients, is crucial for improving sustainability WWTPs. To this end, the current environmental status of the planet requires that the methods of wastewater treatment are sustainable. The objective of this Special Issue titled “Sustainable Wastewater Treatment, Theory, Methods, and Applications” is to review the state-of-the-art of the latest advances in wastewater management, with a particular focus on sustainable methods of wastewater treatment and applications including disinfection, grey water, constructed wetlands, ponds, membranes, and reclaimed wastewater reuse.

Prof. Jaewook Myung
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

  • water treatment
  • activated sludge
  • resource recovery
  • sustainable development
  • advanced aerobic system
  • anaerobic system
  • decentralized wastewater treatment
  • energy-neutral technologies
  • water reuse
  • biosolids management

Published Papers (2 papers)

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Research

18 pages, 2796 KiB  
Article
Evaluation of the Microsoft Excel Solver Spreadsheet-Based Program for Nonlinear Expressions of Adsorption Isotherm Models onto Magnetic Nanosorbent
by Kowit Suwannahong, Surachai Wongcharee, Torpong Kreetachart, Chadrudee Sirilamduan, Javier Rioyo and Akkharaphong Wongphat
Appl. Sci. 2021, 11(16), 7432; https://0-doi-org.brum.beds.ac.uk/10.3390/app11167432 - 12 Aug 2021
Cited by 20 | Viewed by 4779
Abstract
The sorption of basic dyes onto magnetic nanosorbent is commonly used as a novel material to combat powdered activated carbon, which is difficult to handle and separate during water and wastewater treatment. This adsorption method is commonly implemented in water and wastewater treatment [...] Read more.
The sorption of basic dyes onto magnetic nanosorbent is commonly used as a novel material to combat powdered activated carbon, which is difficult to handle and separate during water and wastewater treatment. This adsorption method is commonly implemented in water and wastewater treatment due to its low cost and high performance. To explore the feasibility of adsorption, six different nonlinear isotherm models were applied and introduced to evaluate the performance and adsorption mechanisms via Microsoft Excel, and they were then compared to those of MATLAB and OriginPro. The Langmuir best provided the sorption of methylene blue adsorbed for a two-parameter isotherm model. The three-parameter model Toth gave a goodness of fit indicating a heterogeneous sorbent surface. Error function analysis found that the Residual Sum of Squares Error, Chi-square, Coefficient of determination, Average Relative Error, Hybrid Fractional Error Function, Marquardt’s Percent Standard Deviation and Root Mean Square Error provided the best overall results. In comparison, it could be concluded that six isotherm models showed the confidence interval that is simply the best fit at all experimental data points provided by the three software tools. All error function results indicated that the Microsoft Excel Solver function spreadsheet method satisfied all the statistic measures to predict the real variance of the probability of experimental data for all six isotherm models of adsorption of basic dye removal. One added benefit of this Microsoft Excel software tool is the built-in function associated with the desired type of application, which designates the desired type of error/statistical functions not mentioned in this research to the adsorbent materials used. Full article
(This article belongs to the Special Issue Sustainable Wastewater Treatment, Theory, Methods and Applications)
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20 pages, 7869 KiB  
Article
Performance Evaluation of a Biological Pre-Treatment Coupled with the Down-Flow Expanded Granular Bed Reactor (DEGBR) for Treatment of Poultry Slaughterhouse Wastewater
by Derrick Njabuliso Dlamini, Moses Basitere, Mahomet Njoya, Seteno Karabo Obed Ntwampe and Ephraim Kaskote
Appl. Sci. 2021, 11(14), 6536; https://0-doi-org.brum.beds.ac.uk/10.3390/app11146536 - 16 Jul 2021
Cited by 3 | Viewed by 2023
Abstract
Poultry slaughterhouse wastewater contains high concentrations of chemical oxygen demand (COD), total suspended solids (TSSs), fats, oil and grease (FOG), proteins and carbohydrates. It is important that the wastewater is treated to acceptable environmental discharge standards. In this study, the poultry slaughterhouse wastewater [...] Read more.
Poultry slaughterhouse wastewater contains high concentrations of chemical oxygen demand (COD), total suspended solids (TSSs), fats, oil and grease (FOG), proteins and carbohydrates. It is important that the wastewater is treated to acceptable environmental discharge standards. In this study, the poultry slaughterhouse wastewater (PSW) was treated using two-stage processes consisting of a biological pre-treatment using a biodegrading agent (Eco-flushTM) coupled with a down-flow expanded granular bed reactor (DEGBR). The results showed that the biological pre-treatment was observed to be highly effective for removal of FOG, COD and TSS with a removal efficiency of 80 ± 6.3%, 38 ± 8.4% and 56 ± 7.2%, respectively. The DEGBR showed a stable performance in terms FOG, COD and, TSS removal, with average removal efficiencies of 89 ± 2.8%, 87 ± 9.5%, and 94 ± 3.7%, respectively. The overall removal rate performance of the integrated system of pre-treatment and DEGBR in terms FOG, COD and TSS, was 97 ± 0.8%, 92 ± 6.3% and 97 ± 1.2%. Furthermore, the average volatile fatty acid/alkalinity (VFA/Alkalinity) ratio of 0.2 was reported, which indicated that the DEGBR was stable throughout the operation. Full article
(This article belongs to the Special Issue Sustainable Wastewater Treatment, Theory, Methods and Applications)
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