Recent trends on chitosan based hybrid materials for wastewater treatment: A review

Mohan, Kanwar; Rajan, Durairaj Karthick; Rajarajeswaran, Jayakumar; Dharmaraj, Divya; Ganesan, Abirami Ramu

doi:10.1016/j.coesh.2023.100473

Cited by 13 publications

(3 citation statements)

References 53 publications

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“…According to the bibliometric analysis, approximately 100 research papers published over the period of the past two decades that have been indexed in databases, including Elsevier, Springer, Wiley, Taylor and Francis, the Royal Chemical Society, and the American Chemical Society using the keywords “mollusk shell waste,” “extraction methods,” “chitin,” “chitosan,” and “biological activity.” The majority of research outcomes are from crustacean shell wastes, fungi‐ and insects‐derived chitin and chitosan. The multifunctional properties of chitin and chitosan have been documented in previously published literature (Alimi et al., 2023; Arbia et al., 2013; El Knidri et al., 2018; Hamed et al., 2016; Islam et al., 2023; Joseph et al., 2021; Kaur & Dhillon, 2015; Khajavian et al., 2022; Mohan et al., 2020, 2022, 2023; Saenz‐Mendoza et al., 2023; Silva et al., 2017; Özel & Elibol, 2021).…”

Section: Introductionmentioning

confidence: 81%

β‐Chitin and chitosan from waste shells of edible mollusks as a functional ingredient

Karthick Rajan,

Mohan,

Rajarajeswaran

et al. 2023

Food Frontiers

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The marine food‐processing industries were producing large quantities of shell wastes as a discard. Currently, this waste material was underutilized and leads to the landfill as a significant environmental issue. The outer shells or exoskeletons of mollusks serve as the best source of chitin. Three different allomorphs of chitin (γ, β, and γ) were extracted from different species of crustaceans, mollusks, and fungi. β‐Allomorphs predominantly exist in the shells of mollusks. β‐Chitin and its deacetylated product chitosan has been utilized for its special characteristic features, including biocompatibility, environmental friendly, and nontoxic properties. The extraction of β‐chitin and chitosan from the mollusk shell waste were evaluated in this work. Hence, this review aims to explore edible mollusk shell waste sources and its suitable extraction techniques, characterizations, and functional properties of mollusk‐based β‐chitin and chitosan. Further, the genetic pathway of synthesizing mollusk chitin was discussed. The entire life cycle assessment with techno‐economic aspects were extrapolated to study the bottlenecks and tangible solution for the industrial upscaling of obtaining β‐chitin and chitosan from the edible mollusk shell waste have been reviewed herein.

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Section: Introductionmentioning

confidence: 81%

β‐Chitin and chitosan from waste shells of edible mollusks as a functional ingredient

Karthick Rajan,

Mohan,

Rajarajeswaran

et al. 2023

Food Frontiers

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“…Chitosan is widely used in the water treatment industry due to its economic accessibility and ecological friendliness [12,13]. Chitosan does, however, have some drawbacks, including low surface area, poor hydrophilicity, low porosity, and no acid resistance [14].…”

Section: Introductionmentioning

confidence: 99%

Facile Preparation of Magnetic Chitosan Carbon Based on Recycling of Iron Sludge for Sb(III) Removal

Zeng,

Xu,

Zeng

et al. 2024

Sustainability

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In this study, following the concept of “treating waste with waste”, magnetic chitosan carbon (MCC) was developed through the pyrolysis of chitosan/iron sludge (CHS) beads created using an embedding method in a closed environment for antimony removal. The results indicate MCC has a good magnetic recovery rate and that its magnetic saturation strength can reach 33.243 emu/g. The iron proportion and acid resistance of MCC were all better than those of CHS, and at 25 °C, its adsorption saturation capacity improved from 24.956 mg/g to 38.234 mg/g. MCC has a quick adsorption equilibrium time, and in about 20 min, 90% of the final equilibrium capacity can be achieved. The primary mechanism of Sb adsorption by MCC is the formation of an inner sphere complex between Fe-O and Sb, while surface complexation, hydrogen bonding, and interaction also play a function. Thus, MCC, a lower-cost and greener adsorbent for Sb removal, has been made using iron sludge. This enabled it to utilize iron sludge as a resource and served as a reference for the sustainable management of water treatment residuals.

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“…Chitosan oligosaccharide (COS), a natural polysaccharide extracted from chitin, has a surface rich in a large number of amino and hydroxyl groups and exhibits a wide range of biomedical activities and film-forming properties, as well as electrocatalytic properties [24,25]. Chitosan oligosaccharides have properties similar to those of chitosan [26,27]. The addition of chitosan oligosaccharide can keep the antibody active and fix it more firmly, immobilizing it on the electrode surface.…”

Section: Introductionmentioning

confidence: 99%

The Method and Study of Detecting Phenanthrene in Seawater Based on a Carbon Nanotube–Chitosan Oligosaccharide Modified Electrode Immunosensor

Qiu

et al. 2023

Molecules

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Phenanthrene (PHE), as a structurally simple, tricyclic, polycyclic aromatic hydrocarbon (PAHs), is widely present in marine environments and organisms, with serious ecological and health impacts. It is crucial to study fast and simple high-sensitivity detection methods for phenanthrene in seawater for the environment and the human body. In this paper, a immunosensor was prepared by using a multi-wall carbon nanotube (MWCNTs)-chitosan oligosaccharide (COS) nanocomposite membrane loaded with phenanthrene antibody. The principle was based on the antibody–antigen reaction in the immune reaction, using the strong electron transfer ability of multi-walled carbon nanotubes, coupled with chitosan oligosaccharides with an excellent film formation and biocompatibility, to amplify the detection signal. The content of the phenanthrene in seawater was studied via differential pulse voltammetry (DPV) using a potassium ferricyanide system as a redox probe. The antibody concentration, pH value, and probe concentration were optimized. Under the optimal experimental conditions, the response peak current of the phenanthrene was inversely proportional to the concentration of phenanthrene, in the range from 0.5 ng·mL−1 to 80 ng·mL−1, and the detection limit was 0.30 ng·mL−1. The immune sensor was successfully applied to the detection of phenanthrene in marine water, with a recovery rate of 96.1~101.5%, and provided a stable, sensitive, and accurate method for the real-time monitoring of marine environments.

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Recent trends on chitosan based hybrid materials for wastewater treatment: A review

Cited by 13 publications

References 53 publications

β‐Chitin and chitosan from waste shells of edible mollusks as a functional ingredient

β‐Chitin and chitosan from waste shells of edible mollusks as a functional ingredient

Facile Preparation of Magnetic Chitosan Carbon Based on Recycling of Iron Sludge for Sb(III) Removal

The Method and Study of Detecting Phenanthrene in Seawater Based on a Carbon Nanotube–Chitosan Oligosaccharide Modified Electrode Immunosensor

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