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Advanced Treatment and Sustainable Utilization of Sewage Water
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Advanced Treatment and Sustainable Utilization of Sewage Water

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

Deadline for manuscript submissions: closed (15 October 2022) | Viewed by 10200

Special Issue Editors

Prof. Dr. Junfeng Su

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Guest Editor
School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
Interests: advanced treatment and bioremediation of groundwater; new theories and technologies for biological denitrification; water treatment microbiology
Special Issues, Collections and Topics in MDPI journals
Dr. Qian Zhang

E-Mail Website
Guest Editor
School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
Interests: energy saving and emission reduction; material metabolism analysis; industrial wastewater treatment
Dr. Sicheng Shao

E-Mail Website
Guest Editor
School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
Interests: biological nitrogen and phosphorus removal; biodegradation and remediation of toxic and refractory organic pollutants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Rapid industrialization and population explosion have exacerbated the shortage of global water resources. Sewage water has gained additional scientific and political attention and is viewed as an essential water resource with more exploitability and reusability for sustainable development. To generate good quality water for recycling and reuse, advanced wastewater treatment is essential to resolve stubborn contaminants (i.e., exogenous residue nutrients, refractory metabolic products, transport and removal of micropollutants, and emerging pollutants). Accordingly, there has been a growing interest in innovative advanced wastewater treatment technologies for efficient water purification. Moreover, other potential resources (i.e., organics, nutrients, and thermal heat) along with water recycling are also meaningful to realize the utilization of sewage water.

The aim of the research topic “Advanced Treatment and Sustainable Utilization of Sewage Water” is to provide a suitable platform to publish the latest novel research on the current trends, developments, and applications of technologies to improve existing methods and develop new processes to enhance advanced treatment and reuse of wastewater, raise the standard of effluent for wastewater treatment plants (WWTPs), and to realize low-carbon operation and resource recovery in WWTPs. Therefore, this Special Issue calls for contributions to the topics related to the advanced treatment and sustainable utilization of sewage water, which includes new advancements and applications for the efficient remediation of contaminants, improvement and modification of the existing processes, new technologies for recovering resources, sludge treatment and disposal, and dealing with emerging contaminants in the effluent of WWTPs.

Topics of interest include, but are not limited to, the following:

  • Wastewater treatment for sustainable development and environmental safety;
  • Bacteria/fungal/algae-based biological approaches for sustainable degradation of contaminants;
  • Sustainable plant–bacterial remediation for wastewater pollutants;
  • Emerging bioremediation approaches for sustainable degradation of contaminants;
  • Microbial electrochemical technologies for sustainable degradation of contaminants;
  • Hybrid bioreactor treatment systems for pollutants removal;
  • Physicochemical coupled biological processes for sustainable remediation of wastewater pollutants;
  • Hybrid approaches coupling bioremediation with advanced oxidation processes;
  • Membrane microbial fuel cell technologies for complex recycling;
  • New frontiers in view of a circular economy in wastewater treatment and recycling;
  • Molecular aspects of novel integrated bioremediation approaches to identify novel degrading genes, metabolites, metabolic pathways, and plant–microbe mechanisms in wastewater treatment.

We hope that the Special Issue will provide a scientific platform for communicating and exploring state-of-the-art applications in this area.

Prof. Dr. Junfeng Su
Dr. Qian Zhang
Dr. Sicheng Shao
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
  • sustainable development
  • sustainable bioremediation
  • phytoremediation
  • bioelectrochemistry
  • microbial fuel cell
  • advanced oxidation processes
  • emerging contaminants

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Published Papers (3 papers)

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Research

17 pages, 3923 KiB  
Article
Floating Wetlands for Sustainable Drainage Wastewater Treatment
by Mohamed Elsayed Gabr, Madleen Salem, Hani Mahanna and Mohamed Mossad
Sustainability 2022, 14(10), 6101; https://doi.org/10.3390/su14106101 - 17 May 2022
Cited by 11 | Viewed by 3546
Abstract
The preservation of water resources in modern urbanized society is a major concern. In this study, a floating constructed wetland (FWT) pilot plant was designed and constructed for the treatment of a polluted wastewater drain. A series of experiments were run continuously for [...] Read more.
The preservation of water resources in modern urbanized society is a major concern. In this study, a floating constructed wetland (FWT) pilot plant was designed and constructed for the treatment of a polluted wastewater drain. A series of experiments were run continuously for a year in pilot-scale FWTs in a semi-arid area located in Egypt’s Delta. Four aquatic plant species (Eichhornia, Ceratophyllum, Pistia stratiotes, and Nymphaea lotus) were used to assess the performance of FWTs for pollutant removals, such as biochemical oxygen demand (BOD), chemical oxygen demand (COD), total suspended solids (TSS), total nitrogen (TN), total phosphorus (TP), electrical conductivity (EC), and total dissolved solids (TDS), from drainage wastewater to reuse the treated effluent in irrigation practices. The FWT systems were fed drainage tainted water on a weekly basis, and the concentrations and removal efficiency were assessed in the experiments. The average reduction in BOD, COD, TSS, TDS, TN, EC, and TP were 76–86%, 61–80%, 87–95%, 36.6–44.1%, 70–97%, 37–44%, and 83–96%, respectively. ANOVA with Post-HOC t-tests show that the Eichhornia, Pistia stratiotes, and Nymphaea lotus have the highest BOD and COD removal performance, whereas Pistia stratiotes and Nymphaea lotus have the highest TN and TP removal performance. In all cases, the Nymphaea lotus performed well in terms of pollutant removal. In addition, a design procedure for a FWT systems is presented. For wastewater treatment, FWT systems have proven to be a low-cost, long-term option. Full article
(This article belongs to the Special Issue Advanced Treatment and Sustainable Utilization of Sewage Water)
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17 pages, 11102 KiB  
Article
Enhancing Phosphorus Recovery and Dewaterability of Waste Activated Sludge for Combined Effect of Thermally Activated Peroxydisulfate and Struvite Precipitation
by Zicong Liao, Yongyou Hu, Yuancai Chen and Jianhua Cheng
Sustainability 2021, 13(17), 9700; https://doi.org/10.3390/su13179700 - 30 Aug 2021
Cited by 3 | Viewed by 2206
Abstract
Phosphorus is a nonrenewable and irreplaceable limited resource, and over 90% of phosphorus in influenttransfers into sludge in wastewater treatment plants. In this study, thermally activated peroxydisulfate (TAP) treatment was combined with struvite precipitation to enhance waste activated sludge (WAS) dewaterability and phosphorus [...] Read more.
Phosphorus is a nonrenewable and irreplaceable limited resource, and over 90% of phosphorus in influenttransfers into sludge in wastewater treatment plants. In this study, thermally activated peroxydisulfate (TAP) treatment was combined with struvite precipitation to enhance waste activated sludge (WAS) dewaterability and phosphorus recovery. TAP simultaneously enhanced dewaterability and solubilization of WAS. The optimal conditions of TAP treatment were PDS dosage 2.0 mmol/g TSS, 80 °C, pH 4.0~7.0 and 40 min, which enhanced dewaterability (capillary suction time (CST) from 94.2 s to 28.5 s) and solubilization (PO43−-P 177.71 mg/L, NH4+-N 287.22 mg/L and SCOD 10754 mg/L). Radical oxidation disintegrated tightly bound extracellular polymeric substances (TB-EPS) and further released bound water. The acidification effect neutralized the negative surface charge of colloid particles. Compared with thermal hydrolysis, TAP effectively promoted the release of PO43−, NH4+ and SCOD. Cation exchange removed most Ca and Al of the TAP treated supernatant. The optimal conditions of struvite precipitation were Mg/P 1.4 and pH 10.0, which achieved phosphorus recovery of 95.06% and struvite purity of 94.94%. The income obtained by struvite adequately covers the cost of struvite precipitation and the cost of WAS treatment is acceptable. Full article
(This article belongs to the Special Issue Advanced Treatment and Sustainable Utilization of Sewage Water)
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11 pages, 3130 KiB  
Article
Preparation of Cellulose/Chitin Blend Materials and Influence of Their Properties on Sorption of Heavy Metals
by Dao Zhou, Hongyu Wang and Shenglian Guo
Sustainability 2021, 13(11), 6460; https://doi.org/10.3390/su13116460 - 7 Jun 2021
Cited by 10 | Viewed by 3141
Abstract
A series of biodegradable cellulose/chitin materials (beads and membranes) were successfully prepared by mixing cellulose with chitin in an NaOH/thiourea–water system and coagulation in a H2SO4 solution. The effects of chitin content on the materials’ mechanical properties, morphology, structure, and [...] Read more.
A series of biodegradable cellulose/chitin materials (beads and membranes) were successfully prepared by mixing cellulose with chitin in an NaOH/thiourea–water system and coagulation in a H2SO4 solution. The effects of chitin content on the materials’ mechanical properties, morphology, structure, and sorption ability for heavy metal ions (Pb2+, Cd2+, and Cu2+) were studied by tensile tests, scanning electron micrographs, Fourier transform infrared spectroscopy, and atomic absorption spectrophotometry. The results revealed that the cellulose/chitin blends exhibited relatively good mechanical properties, a homogeneous, microporous mesh structure, and the existence of strong hydrogen bonds between molecules of cellulose and chitin when the chitin content was less than 30 wt%, which indicated a good compatibility of the cellulose/chitin materials. Furthermore, in the same chitin content range, Pb2+, Cd2+, and Cu2+ can be adsorbed efficiently onto the cellulose/chitin beads at pH0 = 5, and the sorption capacity of the beads is more than that of chitin flakes. This shows that the hydrophilicity and microporous mesh structure of the blends are favorable for the kinetics of sorption. Preparation of environmentally friendly cellulose/chitin blend materials provides a simple and economical way to remove and recover heavy metals, showing a potential application of chitin as a functional material. Full article
(This article belongs to the Special Issue Advanced Treatment and Sustainable Utilization of Sewage Water)
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