Application of Membrane Separation Technology in Water and 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: 31 August 2024 | Viewed by 361

Special Issue Editor


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Guest Editor
Faculty of Environmental Engineering, Wrocław University of Science and Technology, Wybrzeże S. Wyspiańskiego 27, 50-370 Wrocław, Poland
Interests: water treatment; wastewater treatment; wastewater recovery; liquid fraction of diges-tate; pressurized membrane processes; integrated processes; closed-loop economy

Special Issue Information

Dear Colleagues,

with a growing world population, demand for water, food, and energy is increasing. Additionally, the deterioration in the quality of natural waters and the increasing demands placed on water for human consumption necessitate the use of modern separation techniques. Moreover, the transition to a closed-loop economy requires the development of innovative techniques and technological solutions in the water and wastewater industry. Membrane processes have become increasingly popular in recent years for treating water and wastewater due to the limited effectiveness of traditional treatment methods in dealing with the variety of contaminants present in the water supply. They are widely used in many industrial and environmental sectors for removing various pollutants. It is worth noting also that membranes can effectively treat solutions with varying pollutant concentrations. Therefore, I encourage the submission of articles on recent advances and advanced membrane processes for water and wastewater treatment for this Special Issue. The aim of this Special Issue is to discuss the latest discoveries in this field, provide directions for future research, and offer technical parameters for engineering applications. Original research and review papers focusing on topics such as membrane-based water and wastewater treatment, membrane fabrication, membrane fouling control, membrane process simulation and modelling, and engineering applications in the water and wastewater sector are all welcome.

Dr. Agnieszka Urbanowska
Guest Editor

Manuscript Submission Information

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Keywords

  • separation techniques
  • membrane-based water and water treatment technology
  • membrane application
  • mem-brane fouling
  • organic contaminants
  • inorganic contaminants
  • high-quality water

Published Papers (1 paper)

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Research

16 pages, 4018 KiB  
Article
An Integrated Process of Struvite Precipitation/Membrane Filtration Using Flat Ceramic Membranes Is an Effective Method for the Treatment of Liquid Fraction Digestate from a Municipal Biogas Plant
by Agnieszka Urbanowska and Izabela Polowczyk
Water 2024, 16(13), 1928; https://doi.org/10.3390/w16131928 (registering DOI) - 6 Jul 2024
Viewed by 154
Abstract
One method of processing municipal waste biogas plant digestate is to separate it into solid and liquid fractions. Since the digestate can be a potential source of water, it must undergo the appropriate treatment. Pressurised membrane processes preceded by struvite precipitation can be [...] Read more.
One method of processing municipal waste biogas plant digestate is to separate it into solid and liquid fractions. Since the digestate can be a potential source of water, it must undergo the appropriate treatment. Pressurised membrane processes preceded by struvite precipitation can be particularly useful in this regard. Experiments were conducted to determine the effectiveness of treating the digestate liquid fraction from a municipal waste biogas plant using an integrated process that combines struvite precipitation with membrane filtration, employing flat ceramic membranes with different cut-off values. The results confirm that this integrated process is effective for digestate treatment. A significantly increased improvement in the final quality of the test solution and a reduction in membrane fouling intensity were observed compared to those of these processes conducted separately. It is noteworthy that the purest solution was obtained when struvite precipitation and filtration through a flat ceramic membrane with a cut-off of 1 kDa were combined. This approach enabled the precipitation of struvite, a valuable fertiliser; the protection of the membranes from fouling; and a high degree of organic compound removal. The recovered water from the digestate (after dilution or removal of excess salts) can be used in agriculture or horticulture. Full article
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