Natural Low-Cost Adsorbents in Water Purification Processes
A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Environmental and Green Processes".
Deadline for manuscript submissions: 31 October 2025 | Viewed by 63
Special Issue Editors
Interests: Adsorption; emerging contaminants; sustainability; water quality; membrane processes.
Interests: adsorption; emerging contaminants; sustainability; water quality
Special Issues, Collections and Topics in MDPI journals
Interests: adsorption; emerging contaminants; sustainability; water quality
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Water treatment is essential to ensure its quality and potability. Among the various techniques employed, adsorption has stood out as an efficient and economical alternative, especially when low-cost natural adsorbents are used. These materials, often derived from agro-industrial waste, biomass and abundant minerals, have a high capacity to remove contaminants, such as heavy metals, dyes and organic compounds. Among the most studied natural adsorbents are banana peels, sugarcane bagasse, sawdust, natural clays and coconut shells. These materials can be used in their natural state or can be modified to increase their adsorptive efficiency. Chemical or thermal modification can improve characteristics such as surface area and the presence of active functional groups, optimizing pollutant removal. The application of these adsorbents is a sustainable solution since, in addition to reducing water treatment costs, it promotes the reuse of waste and minimizes environmental impacts. Studies show that natural adsorbents are as effective as commercial materials and are a promising alternative for resource-poor regions. Ongoing research in this area seeks to improve the performance of these materials and expand their applicability on a large scale.
We would like to invite all dear colleagues to join us in this special issue and we are looking forward to original research articles to compound this issue.
Dr. Leticia Nishi
Dr. Luis Fernando Cusioli
Dr. Rosângela Bergamasco
Guest Editors
Dr. Carolina Moser Paraíso
Guest Editor Assistant
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Keywords
- adsorption
- natural adsorbents
- water treatment
- low cost
- sustainability
- biomass
- agro-industrial waste
- alternative materials
- heavy metals
- organic pollutants
- contaminant removal
- natural clays
- activated carbon
- chemical modification
- industrial effluents
- waste reuse
- filtration
- water purification
- porous materials
- environmental impact
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