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Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment

Polymer flocculants are used to promote solid–liquid separation processes in potable water and wastewater treatment. Recently, bio-based flocculants have received a lot of attention due to their superior advantages over conventional synthetic polymers or inorganic agents. Among natural polymers, pol...

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Autores principales: Maćczak, Piotr, Kaczmarek, Halina, Ziegler-Borowska, Marta
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7559979/
https://www.ncbi.nlm.nih.gov/pubmed/32906667
http://dx.doi.org/10.3390/ma13183951
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author Maćczak, Piotr
Kaczmarek, Halina
Ziegler-Borowska, Marta
author_facet Maćczak, Piotr
Kaczmarek, Halina
Ziegler-Borowska, Marta
author_sort Maćczak, Piotr
collection PubMed
description Polymer flocculants are used to promote solid–liquid separation processes in potable water and wastewater treatment. Recently, bio-based flocculants have received a lot of attention due to their superior advantages over conventional synthetic polymers or inorganic agents. Among natural polymers, polysaccharides show many benefits such as biodegradability, non-toxicity, ability to undergo different chemical modifications, and wide accessibility from renewable sources. The following article provides an overview of bio-based flocculants and their potential application in water treatment, which may be an indication to look for safer alternatives compared to synthetic polymers. Based on the recent literature, a new approach in searching for biopolymer flocculants sources, flocculation mechanisms, test methods, and factors affecting this process are presented. Particular attention is paid to flocculants based on starch, cellulose, chitosan, and their derivatives because they are low-cost and ecological materials, accepted in industrial practice. New trends in water treatment technology, including biosynthetic polymers, nanobioflocculants, and stimulant-responsive flocculants are also considered.
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spelling pubmed-75599792020-10-22 Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment Maćczak, Piotr Kaczmarek, Halina Ziegler-Borowska, Marta Materials (Basel) Review Polymer flocculants are used to promote solid–liquid separation processes in potable water and wastewater treatment. Recently, bio-based flocculants have received a lot of attention due to their superior advantages over conventional synthetic polymers or inorganic agents. Among natural polymers, polysaccharides show many benefits such as biodegradability, non-toxicity, ability to undergo different chemical modifications, and wide accessibility from renewable sources. The following article provides an overview of bio-based flocculants and their potential application in water treatment, which may be an indication to look for safer alternatives compared to synthetic polymers. Based on the recent literature, a new approach in searching for biopolymer flocculants sources, flocculation mechanisms, test methods, and factors affecting this process are presented. Particular attention is paid to flocculants based on starch, cellulose, chitosan, and their derivatives because they are low-cost and ecological materials, accepted in industrial practice. New trends in water treatment technology, including biosynthetic polymers, nanobioflocculants, and stimulant-responsive flocculants are also considered. MDPI 2020-09-07 /pmc/articles/PMC7559979/ /pubmed/32906667 http://dx.doi.org/10.3390/ma13183951 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Review
Maćczak, Piotr
Kaczmarek, Halina
Ziegler-Borowska, Marta
Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment
title Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment
title_full Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment
title_fullStr Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment
title_full_unstemmed Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment
title_short Recent Achievements in Polymer Bio-Based Flocculants for Water Treatment
title_sort recent achievements in polymer bio-based flocculants for water treatment
topic Review
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7559979/
https://www.ncbi.nlm.nih.gov/pubmed/32906667
http://dx.doi.org/10.3390/ma13183951
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