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Biopolymer Composites for Water Treatment

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Biosciences and Bioengineering".

Deadline for manuscript submissions: 20 October 2026 | Viewed by 1502

Editors


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Guest Editor
National Research & Development Institute for Chemistry and Petrochemistry–ICECHIM Bucharest, 060021 Bucharest, Romania
Interests: polymer synthesis; modification; processing and characterization; especially molecularly imprinted polymers; hydrogels; inorganic–organic nanocomposites; membranes; polyurethanes and polymer recycling
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Advanced Polymer Materials and Polymer Recycling Group, The National Institute for Research & Development in Chemistry and Petrochemistry ICECHIM, 060021 Bucharest, Romania
Interests: polymer hybrid inorganic–organic nanocomposites; polymer membranes; nanomaterials; ceramic materials; biocompatible hydrogels; molecularly imprinted polymers
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Advanced Polymer Materials and Polymer Recycling Group, The National Institute for Research and Development in Chemistry and Petrochemistry ICECHIM, 060021 Bucharest, Romania
Interests: synthesis and characterization of hydrogels with medical and agricultural applications; synthesis and characterization of bioinspired nanogels as ligand-free targeted delivery systems obtained with the use of molecular imprinting techniques; synthesis and characterization of interpenetrating polymer networks based on natural and synthetic polymers; synthesis and characterization of nanohybrid materials based on functionalization/tailoring of inorganic particles
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Addressing escalating water pollution is a critical scientific and engineering challenge arising from industrial development. While essential for progress, industrial activities significantly contribute to environmental contamination. Modern research focuses intensely on developing effective water remediation materials. Key to this is rational design to prevent secondary pollution upon the materials’ end of life. Biopolymer composites emerge as exceptionally promising solutions, offering inherent biocompatibility, biodegradability, and a renewable origin that avoids dependence on diminishing fossil fuels. Materials like chitosan, alginate, and bio-cellulose, particularly in composite forms, demonstrate enhanced mechanical and physicochemical properties crucial for water treatment applications. Given that remediation relies on interfacial processes (e.g., adsorption and catalysis), high-surface-area formats such as fibers, membranes, and hydrogels are highly advantageous. This rapidly evolving field necessitates dedicated attention. This Special Issue of Applied Sciences invites cutting-edge research contributions on the development, characterization, and application of biopolymer composites for sustainable water treatment technologies.

Dr. Andrei Sarbu
Dr. Anita-Laura Chiriac
Dr. Anamaria Zaharia
Guest Editors

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 250 words) can be sent to the Editorial Office for assessment.

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 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

  • biopolymer composites
  • water treatment
  • sustainability
  • adsorption
  • membranes
  • hydrogels
  • fibers
  • contaminant removal
  • renewable materials

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Published Papers (1 paper)

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Research

17 pages, 518 KB  
Article
Application of RGB Color Analysis and Neural Networks for Preliminary Assessment of Wastewater Pollutant Concentration
by Žydrūnas Kavaliauskas
Appl. Sci. 2025, 15(23), 12572; https://doi.org/10.3390/app152312572 - 27 Nov 2025
Viewed by 1133
Abstract
This study presents a methodology for preliminary assessment of wastewater pollutant concentrations using RGB color intensity measurements combined with a multi-head neural network implemented in PyTorch. The model was trained on 120 samples from domestic, industrial, and synthetic sources to predict total pollutant [...] Read more.
This study presents a methodology for preliminary assessment of wastewater pollutant concentrations using RGB color intensity measurements combined with a multi-head neural network implemented in PyTorch. The model was trained on 120 samples from domestic, industrial, and synthetic sources to predict total pollutant concentration and identify the dominant RGB color. Key performance metrics include MAE = 0.012, RMSE = 0.018, MAPE = 2.1%, R2 = 0.96 for concentration prediction, and classification accuracy = 0.93 for dominant color identification. Observed color changes, primarily the rapid decrease of the red component, correlate with chemical and organic load, enabling visual differentiation of wastewater types. This approach provides a fast, low-cost, and equipment-free method for preliminary monitoring and has potential for real-time environmental applications. The proposed combination of RGB analysis with a multi-head neural network represents a novel approach for rapid, quantitative, and qualitative wastewater assessment. Full article
(This article belongs to the Special Issue Biopolymer Composites for Water Treatment)
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