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Polluting Prevention and Ecological Restoration of Surface Water
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Polluting Prevention and Ecological Restoration of Surface Water

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Science and Engineering".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 4136

Special Issue Editor

Dr. Jinte Zou

E-Mail Website
Guest Editor
1. Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, China
2. College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
Interests: biological wastewater treatment; aerobic granular sludge; resource recovery by anaerobic process

Special Issue Information

Dear Colleagues,

Surface water as the main freshwater source is vitally important for human, animal and plant life, and also for the economy. It is easily contaminated, and the pollution is almost entirely the result of human activities. In the past few decades, the assessment approaches and control techniques have been widely researched and applied, promoting the sustainable improvement of surface water quality. However, novel technologies and ideals are always important and urgently needed to prevent pollution and protect the water environment. This Special Issue is focused on the latest research progress in the field of water protection, including the treatment and reuse of agriculture and rainwater runoff, treatment and disposal of agricultural, municipal and industrial waste, advanced treatment of municipal and industrial wastewater, ecological remediation and restoration of surface water, water quality monitoring, pollutant migration and transformation, etc. Papers addressing these topics or contributing to pollution prevention and ecological restoration of surface water are welcome in this issue. The publication of this Special Issue will promote the development of innovative technologies for surface water protection.

Dr. Jinte Zou
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. International Journal of Environmental Research and Public Health is an international peer-reviewed open access monthly 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 2500 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

  • runoff pollution
  • waste treatment
  • advanced wastewater treatment
  • nutrient removal
  • ecological remediation
  • ecological restoration
  • constructed wetland
  • water quality monitoring
  • water quality assessment
  • pollutant migration and transformation

Published Papers (2 papers)

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Research

13 pages, 11007 KiB  
Article
Filamentous Bacteria and Stalked Ciliates for the Stable Structure of Aerobic Granular Sludge Treating Wastewater
by Yifan Liang, Zengrui Pan, Tao Guo, Hongbo Feng, Anqi Yan, Yongjiong Ni and Jun Li
Int. J. Environ. Res. Public Health 2022, 19(23), 15747; https://doi.org/10.3390/ijerph192315747 - 26 Nov 2022
Cited by 6 | Viewed by 1982
Abstract
Aerobic granular sludge (AGS) is a promising technology for wastewater treatment. AGS formation belongs to microbial self-aggregation. Investigation of the formation and stability of AGS is widely paid attention to, in particular the structure stability of large size granules. Two types of AGS [...] Read more.
Aerobic granular sludge (AGS) is a promising technology for wastewater treatment. AGS formation belongs to microbial self-aggregation. Investigation of the formation and stability of AGS is widely paid attention to, in particular the structure stability of large size granules. Two types of AGS were developed in two sequencing batch reactors fed by two different wastewaters, respectively. Through confocal laser scanning microscope (CLSM) and scanning electron microscopy (SEM), the structure and composition of granules were analyzed. Filamentous bacteria were observed in granules from synthetic wastewater reactor, while filamentous bacteria and stalked ciliates (Epistylis sp.) were simultaneously found in granules from domestic wastewater reactor. The analytic results show that filamentous bacteria and stalked ciliates acting as skeletons play important roles in the formation and stability of granules. With the bonding of extracellular polymeric substances (EPS), the filamentous bacteria and stalked ciliates could build bridges and frames to promote the aggregation of bacteria; these microorganisms could create a space grid structure around the surface layer of granules to enhance the strength of granules, and the remnants of the stalks could serve as supports to fix the steadiness of granules. Full article
(This article belongs to the Special Issue Polluting Prevention and Ecological Restoration of Surface Water)
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12 pages, 10967 KiB  
Article
Effect of Seed Sludge Type on Aerobic Granulation, Pollutant Removal and Microbial Community in a Sequencing Batch Reactor Treating Real Textile Wastewater
by Jinte Zou, Jiaqi Yang, Hangtian He, Xiaofei Wang, Rongwu Mei, Lei Cai and Jun Li
Int. J. Environ. Res. Public Health 2022, 19(17), 10940; https://doi.org/10.3390/ijerph191710940 - 1 Sep 2022
Cited by 2 | Viewed by 1624
Abstract
The aerobic granulation, pollutant removal, and microbial community in real textile wastewater (TWW) treatment were compared using conventional activated sludge (CAS) and preformed aerobic granular sludge (AGS) in synthetic wastewater as seed in two reactors, reactor-1 (R1) and reactor-2 (R2), respectively. The results [...] Read more.
The aerobic granulation, pollutant removal, and microbial community in real textile wastewater (TWW) treatment were compared using conventional activated sludge (CAS) and preformed aerobic granular sludge (AGS) in synthetic wastewater as seed in two reactors, reactor-1 (R1) and reactor-2 (R2), respectively. The results showed that complete granulation was achieved in R1 (sludge volume index at 5 min (SVI5) and 30 min (SVI30): 19.4 mL/g; granule size: 210 μm) within 65 days, while it only required 28 days in R2 (SVI5 and SVI30: 27.3 mL/g; granule size: 496 μm). The removal of COD, NH4+-N and TN in R1 (49.8%, 98.8%, and 41.6%) and R2 (53.6%, 96.9%, and 40.8%) were comparable in 100% real TWW treatment, but stable performance was achieved much faster in R2. The real TWW had an inhibitory effect on heterotrophic bacteria activity, but it had no inhibition on ammonia-oxidizing bacteria activity. AGS with a larger particle size had a higher microbial tolerance to real TWW. Furthermore, filamentous Thiothrix in the AGS in R2 disappeared when treating real TWW, leading to the improvement of sludge settleability. Thus, seeding preformed AGS is suggested as a rapid start-up method for a robust AGS system in treating real TWW. Full article
(This article belongs to the Special Issue Polluting Prevention and Ecological Restoration of Surface Water)
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