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Application of Anaerobic Biological Technology for Wastewater Treatment
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Application of Anaerobic Biological Technology 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 (25 June 2024) | Viewed by 1905

Special Issue Editor

Dr. Ruying Li

E-Mail Website
Guest Editor
School of Environment Science and Engineering, Tianjin University, Tianjin 300350, China
Interests: biological wastewater treatment; anaerobic digestion; wastewater pollution control and resource recovery; bioelectrochemical technology; control of emerging pollutants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Efficient wastewater treatment is one of the most important issues related to the protection of the environment and human health. Anaerobic biological technology is a vital wastewater treatment method, offering the advantages of high efficiency, low cost, low sludge yield and resource recovery. Compared with aerobic wastewater treatment processes, anaerobic biological treatment can greatly reduce energy consumption,  also playing a role in recovering biogas. Anaerobic biological treatment can degrade or partially degrade some refractory organic matters that cannot be degraded by aerobic microorganisms. As an important approach to biological treatment, anaerobic treatment has been gradually developed with a series of new processes and bioreactors, and great progress had been made in theory and practice. It is also considered as a promising wastewater treatment technology.

This Special Issue aims to gather the latest research advances in anaerobic biological wastewater treatment technologies, highlighting innovative technologies related to efficient organic and nutrient removal, effective resource recovery from wastewater, emerging pollutants control, and new applications of anaerobic biological technology. Topics of interest include, but are not limited to: 

  • Novel anaerobic biological technologies for the treatment of high-strength wastewater
  • Novel anaerobic biological technologies for the treatment of domestic wastewater under the ambient or low temperatures
  • Anaerobic ammonium oxidation (ANAMMOX) under ambient or low-temperature conditions
  • Anaerobic membrane bioreactor (AMBR) technology for municipal wastewater treatment
  • Directional biological conversion of pollutants for resource recovery from wastewater
  • Bioelectrochemical technologies for wastewater treatment and recovery
  • Application of anaerobic technologies for control of emerging pollutants, such as antibiotics, antibiotics resistance genes, and pharmaceuticals and personal care products (PPCPs)
  • Efficient anaerobic sludge digestion

Dr. Ruying Li
Guest Editor

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

  • high-strength wastewater
  • anaerobic ammonium oxidation
  • anaerobic membrane bioreactor
  • bioelectrochemistry
  • resource recovery
  • emerging pollutants
  • anaerobic sludge digestion

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Published Papers (2 papers)

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Research

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14 pages, 1924 KiB  
Article
Start-Up Performance and Process Kinetics of a Two-Stage Partial Nitrification–Anaerobic Ammonium Oxidation Reactor
by Dunqiu Wang, Yipeng Ji, Wenjie Zhang, Xiaoying Guo, Guan Wen, Huihao Wu, Xiangyu Fan and Kun Dong
Water 2024, 16(7), 1036; https://doi.org/10.3390/w16071036 - 4 Apr 2024
Viewed by 882
Abstract
The study of two-stage partial nitrification–anaerobic ammonium oxidation (PN/A) reactors, which are advantageous in engineering applications, still lacks research on process kinetics. Therefore, in this study, the start-up performance and process kinetics of a two-stage PN/A reactor were evaluated by controlling the reaction [...] Read more.
The study of two-stage partial nitrification–anaerobic ammonium oxidation (PN/A) reactors, which are advantageous in engineering applications, still lacks research on process kinetics. Therefore, in this study, the start-up performance and process kinetics of a two-stage PN/A reactor were evaluated by controlling the reaction conditions, for which the two reactors were inoculated with sludge, incubated separately, and then operated in tandem. Increasing the ammonia load of the reactor during the 60 d stabilization period resulted in a nitrogen accumulation rate of 96.93% and a [NO2− − N]Eff/[NH4+ − N]Eff ratio of 1.33, which is close to the theoretical value of 1.32. Successful initiation of the A reactor was achieved after 55 d of operation by inoculating with anammox-activated sludge and granular activated carbon, and the PN and A reactors then successfully operated in combination for 20 d, with an average NH4+ − N efficiency of 99.04% and the NH4+ − N load of the A reactor showing an “S-shaped” curve. An analysis of the microbial growth kinetic models indicated that the removal of NH4+ − N could be successfully described by the logistic, modified logistic, modified Gompertz, and modified Boltzmann models. A strong association between the model and the dependent variable was observed. The process kinetic analysis showed that the removal of NH4+ − N from reactor A could be simulated under steady-state conditions, using the Grau second-order model. The parameters obtained from the model analysis are expected to help predict the denitrification performance of the reactor, facilitate operational management and control, and thus provide a promising research basis for the introduction of automated control systems. Full article
(This article belongs to the Special Issue Application of Anaerobic Biological Technology for Wastewater Treatment)
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Review

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20 pages, 7466 KiB  
Review
Critical Review on Two-Stage Anaerobic Digestion with H2 and CH4 Production from Various Wastes
by Xinyi Zheng and Ruying Li
Water 2024, 16(11), 1608; https://doi.org/10.3390/w16111608 - 4 Jun 2024
Cited by 1 | Viewed by 732
Abstract
Anaerobic digestion (AD) is a promising method for resource recovery from various wastes. Compared to the conventional single-stage AD process, a two-stage AD process with separate H2 and CH4 production provides higher energy recovery efficiency and enhanced operation stability. The stage [...] Read more.
Anaerobic digestion (AD) is a promising method for resource recovery from various wastes. Compared to the conventional single-stage AD process, a two-stage AD process with separate H2 and CH4 production provides higher energy recovery efficiency and enhanced operation stability. The stage separation makes it possible to apply optimal conditions for different functional microorganisms in their respective stages. This review elaborates the mechanisms of the two-stage AD process and evaluates recent research trends on this topic. A comprehensive comparison between single- and two-stage AD processes is made from the perspective of biogas production, organics degradation, energy recovery, and operation stability. The main influence factors on the two-stage AD process are discussed, including substrates, inoculum, and operation parameters, such as pH, temperature, etc. Upgrading technologies for the two-stage AD process are assessed. The microbial communities in the two-stage AD process for treating different substrates and the influence factors on microbial systems are also summarized. Furthermore, future research opportunities for enhancing the application of this technology are highlighted. Full article
(This article belongs to the Special Issue Application of Anaerobic Biological Technology for Wastewater Treatment)
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