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Advanced Biotechnologies for Wastewater Treatment

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

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 2222

Special Issue Editors


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Guest Editor
Institute of Water Science and Technology, Hohai University, Nanjing, China
Interests: bioremedition of wastewater; anaerobic-aerobic process; water quality assessment; agro-waste utilization; coupled bio-energy generation and wastewater treatment
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Guest Editor
Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur 247001, Uttar Pradesh, India
Interests: wastewater treatment; biocomposite for water treatment; membrane technology

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Guest Editor Assistant
Department of Civil and Architecture Engineering, College of Engineering, Sultan Qaboos University, Muscat 123, OM, Oman
Interests: bioremedition of wastewater; bioelectrochemical system; greenhouse gas emission from wastewater; water quality assessment; biochar

Special Issue Information

Dear Colleagues,

Rapid urbanization and industrialization has contrarily stimulated the generation surplus quantity of toxic wastewater, which have become the major global formidable environmental concern. The industrial wastewaters are characterized based on the presence of specific contaminants, which are remnant of chemicals used or produced during industry processing. Therefore, the suitability of wastewater treatment technique depends on the source and composition of the industrial effluent. The method should also be eco-sustainable, economically feasible and avoid secondary waste generation. The development of economically feasible technologies holds the key to explore at wider industrial wastewater sector. Although, various methods such as up–flow anaerobic sludge blanket reactor, Bio–filter, sequential batch reactor, membrane bioreactor etc. are in use to serve the domestic and industrial wastewater treatment, but those techniques have certain limitations (such as low removal rates, low reactor loading rates, influent shock, process instability etc.) that prohibits wider application. Thus, advanced treatment technology are required to achieve effective eco–sustainable wastewater treatment. Therefore, this special issue will focus to cover various new techniques and processes for development of suitable wastewater treatment technologies, which support coupled bioenergy production and contribute to circular economy through resource recovery.

Articles are invited and encouraged on the following potential topics, but are not limited to, the following:

  • Anaerobic–aerobic systems for wastewater treatment
  • Bio–electrochemical systems for wastewater treatment and coupled bioenergy generation
  • Utilization of agro–waste material for wastewater treatment
  • Novel configuration and processes for mitigation of greenhouse gas emission from wastewater

Dr. Saurabh Mishra
Dr. Abhijit Maiti
Guest Editors

Dr. Jagdeep Kumar Nayak
Guest Editor Assistant

Manuscript Submission Information

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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
  • anaerobic–aerobic systems
  • bioelectrochemical systems
  • utilization of agro–waste material
  • mitigation of greenhouse gas
  • coupled bioenergy generation

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Published Papers (1 paper)

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Research

13 pages, 2836 KiB  
Article
Simultaneous Removal of Nitrate and Phosphate in a Pyrrhotite and Sulfur-Circulating Packed Bed Reactor
by Meiling Yu, Yongyou Hu, Donghui Liang, Guobin Wang, Xiaoqiang Zhu and Jieyun Xie
Water 2023, 15(12), 2158; https://doi.org/10.3390/w15122158 - 7 Jun 2023
Cited by 2 | Viewed by 1729
Abstract
A pyrrhotite and sulfur-circulating packed bed reactor (PS-CPBR) was constructed to study the removal process and mechanism of NO3-N and PO43−-P with different electron donors. The results showed that the NO3-N and PO4 [...] Read more.
A pyrrhotite and sulfur-circulating packed bed reactor (PS-CPBR) was constructed to study the removal process and mechanism of NO3-N and PO43−-P with different electron donors. The results showed that the NO3-N and PO43−-P removal performance of mixed electron donors (pyrrhotite and sulfur) was superior to the single electron donor (pyrrhotite). The optimum conditions of NO3-N and PO43−-P removal in the PS-CPBR were a hydraulic retention time (HRT) of 12 h and a C/N of 0, and the average removal efficiency was 100% and 86.39%. The sulfur in mixed electron donors was able to promote the dissolution of pyrrhotite and the formation of polysulfide to increase the effectiveness of electron donors, promoting the removal of NO3-N, while the PO43−-P was removed in the form of FePO4 precipitation. Microbial and functional gene analyses demonstrated that different electron donors were able to influence the abundance of microbial communities and denitrification functional genes. Meanwhile, mixed electron donors were able to increase the protein content of biofilms and reduce the resistance of electron transfer between microorganisms and electrons. Full article
(This article belongs to the Special Issue Advanced Biotechnologies for Wastewater Treatment)
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