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Filtration

Filtration

Filtration is a physical separation process that involves passing a suspension through a porous medium to separate solids from fluids. During filtration, solids collect on the porous medium while liquids, also collectively known as the filtrate, pass through. The filtration medium is selected based on the filtration purpose, quantity, and nature of the precipitate. The general criteria for a suitable filtering medium are that it is inert, mechanically strong, nonabsorbent toward dissolved...

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Updated: Nov 4, 2025

Synthesis of Hydrogels with Antifouling Properties As Membranes for Water Purification

Synthesis of Hydrogels with Antifouling Properties As Membranes for Water Purification

Published on: April 7, 2017

Biopolymer-Based Filtration Materials.

Christopher R Gough¹, Kayla Callaway¹, Everett Spencer¹

¹Department of Physics and Astronomy, Rowan University, Glassboro, New Jersey 08028, United States.

|May 31, 2021

Summary

Biobased materials like cellulose and chitin offer eco-friendly filtration solutions. These sustainable biopolymers are ideal for developing advanced air and water filters, addressing pollution and public health needs.

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Last Updated: Nov 4, 2025

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Published on: February 13, 2016

Area of Science:

Materials Science
Environmental Science
Biotechnology

Background:

Growing pollution necessitates advanced filtration for air and water.
Conventional synthetic filters pose environmental challenges.
The COVID-19 pandemic highlighted the need for mass-producible antiviral materials.

Purpose of the Study:

To review biobased materials for filtration applications.
To explore the synthesis, fabrication, and applications of biopolymers in filtration.
To emphasize the potential of biopolymers as sustainable and biocompatible filters.

Main Methods:

Review of scientific literature on biobased materials for filtration.
Analysis of biopolymer properties, including cellulose, chitin, silk, soy, and keratin.
Discussion of synthesis and fabrication techniques for biopolymer-based filters.

Main Results:

Biobased materials are cost-effective, abundant, and customizable for filtration.
Biopolymers offer intrinsic antibacterial and antiviral properties.
These materials are suitable for filtering physical, chemical, and biological pollutants.

Conclusions:

Biopolymers present a sustainable and eco-friendly alternative to synthetic filtration materials.
Their biodegradability and biocompatibility make them ideal for green filters.
Further research into biopolymer-based filtration can address global pollution and health concerns.