Separation Technology in Bioprocess for Environmental Remediation

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Environmental Separations".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 5307

Special Issue Editors


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Guest Editor
School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China
Interests: constructed wetlands; co-immobilization technology of carbon source and microorganism; resistant microorganisms for heavy metal; applied microbiology; biotechnology; biochar; plant growth promotion; eutrophication ecological restoration

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Guest Editor
College of Resources and Environment, Chengdu University of Information Technology, Chengdu 610225, China
Interests: nanomaterials; solar energy vapor; environmental modification

Special Issue Information

Dear Colleagues,

Anthropogenic activities have aggravated the destruction of the ecological environment, and the consequences have seriously threatened the human living environment. However, the ecological technology used to remediate the damaged ecological environment has been proved to be very effective and low cost, and has attracted wide attention. Obviously, microorganisms may play an important role in remediating and improving disturbed ecosystems, and henceforth, can contribute to several of the Sustainable Development Goals. In addition, the use of new functional materials for water treatment, such as nanomaterials, biochar, and photocatalysts, can not only enhance the effect of water remediation, but also inevitably bring about new environmental risks. Therefore, sustainable and environmentally friendly ecological restoration technology will still be an important research direction in the future.

Specific fields of interest include:

  • Innovations in bioremediation and phytoremediation.
  • Effective biological treatment technology for emerging pollutants in water and soil.
  • Soil biogeochemical characteristics and their effects on the bioavailability of contaminants, and the soil–plant–microbe interactions from the perspective of soil remediation.
  • New sustainable solutions through biotechnology used to enhance environmental remediation.
  • Functional microorganisms in water and soil remediation.
  • Coupling the technology of biotechnology and other new materials and technologies for environmental remediation.
  • Water body or soil health risk assessment.
  • CO2 conversion and utilization.

Dr. Guanlong Yu
Dr. Wenjing Chen
Guest Editors

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Keywords

  • environmental/ecological remediation
  • sustainable soil remediation
  • constructed wetlands
  • applied microbiology
  • biotechnology
  • biochar
  • wastewater treatment
  • bioremediation
  • phytoremediation

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Published Papers (2 papers)

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Research

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12 pages, 2682 KiB  
Article
Study on Treatment Performance of Desulfurization Wastewater by Zero-Valent Iron Fenton-like Process
by Ziguo Liu, Wei Zhou, Xianli Liu, Xuefen Yang, Wei Yang and Han Zheng
Separations 2023, 10(8), 451; https://doi.org/10.3390/separations10080451 - 14 Aug 2023
Cited by 1 | Viewed by 1483
Abstract
In this study, the zero-valent iron Fenton reagent (ZVI Fenton-like) system was combined with the chemical precipitation method for the deep treatment of desulfurization wastewater from coal-fired power plants, and the chemical oxygen demand (COD) was used as the evaluation criterion for organic [...] Read more.
In this study, the zero-valent iron Fenton reagent (ZVI Fenton-like) system was combined with the chemical precipitation method for the deep treatment of desulfurization wastewater from coal-fired power plants, and the chemical oxygen demand (COD) was used as the evaluation criterion for organic matter in the desulfurization wastewater. The effects of reaction time, H2O2 dosage, zero-valent iron dosage, pH, and reaction temperature were also investigated. The results showed that the COD concentration of the effluent was the lowest when the running time of the ZVI Fenton-like reagent system was 1 h, the dosage of H2O2 was 33.3 mg·L−1, the dosage of iron was 0.075 g·L−1, the pH was 4.5~6.5, the reaction temperature was 35 °C, the COD concentration of the wastewater was the lowest and its operating conditions were the best, and the internal reaction mechanism was finally deduced. In summary, the zero-valent iron Fenton reagent system provides a new idea for the treatment of desulfurization wastewater from coal-fired power plants. Full article
(This article belongs to the Special Issue Separation Technology in Bioprocess for Environmental Remediation)
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Review

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16 pages, 1569 KiB  
Review
Recent Advances in the Effects of Biochar on Constructed Wetlands: Treatment Performance and Microorganisms
by Guanlong Yu, Jiajun Huang, Huifang Chen, Jundan Chen, Shiyong Ge, Jiaxin Liu and Dian Zhen
Separations 2023, 10(12), 593; https://doi.org/10.3390/separations10120593 - 4 Dec 2023
Cited by 6 | Viewed by 3217
Abstract
Constructed wetlands (CWs) are a kind of green environmental protection technology, which are widely used in sewage treatment. Traditional CWs are faced with the problem of a low treatment effect of high-concentration sewage. In recent years, biochar, as a new type of adsorption [...] Read more.
Constructed wetlands (CWs) are a kind of green environmental protection technology, which are widely used in sewage treatment. Traditional CWs are faced with the problem of a low treatment effect of high-concentration sewage. In recent years, biochar, as a new type of adsorption material, has been used in CWs because of its advantages of large specific surface area, strong adsorption capacity, and wide material sources. This paper systematically summarized the characteristics of biochar and the preparation of biochar by studying the changes in microorganisms added to CWs and compared the effects of different treatment methods coupled with biochar on the treatment performance of CWs. The effects of biochar coupled with CWs on enzyme activity, functional genes, metabolites, and microbial communities were investigated. This review summarizes how different preparation methods affect the properties of biochar and how these biochar properties cause changes in the microorganisms added to CWs. It provides a new theoretical basis for the treatment of pollutants in CWs. Full article
(This article belongs to the Special Issue Separation Technology in Bioprocess for Environmental Remediation)
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