The influence of particle size on the extraction of cellulose nanofibers using chemical-ultrasonic process

Ratnakumar, A.; Samarasekara, A.M.P.B.; Amarasinghe, D.A.S.; Karunanayake, L.

doi:10.1016/j.matpr.2022.04.518

Cited by 7 publications

(2 citation statements)

References 16 publications

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“…Similarly, Ratnakumar and co-authors [21] studied the impact of different particle sizes of rice straw to extract cellulose. Particles with lower sizes obtained smaller yields (27.19 ± 0.99%) while particles between 150 to 250 µm yielded more cellulose (38.31 ± 0.85%)…”

Section: Cellulose Extraction From Vine Stalksmentioning

confidence: 99%

Implementation of a Circular Bioeconomy: Obtaining Cellulose Fibers Derived from Portuguese Vine Pruning Residues for Heritage Conservation, Oxidized with TEMPO and Ultrasonic Treatment

Araújo,

Machado,

Sousa

et al. 2023

Agriculture

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Inspired by the principles of the circular economy, using vineyard pruning residues as a source of raw materials for producing nanocellulose is a promising approach to transforming vineyard resources into value-added products. This study aimed to obtain and characterize cellulose and cellulose nanofibers from such sources. The cellulose collected from different fractions of micronized stems (500, 300, 150 μm, and retain) of vines was submitted to autohydrolysis and finally bleached. Soon, it underwent treatment via (2,2,6,6-tetrametil-piperidi-1-nil)oxil (TEMPO) oxidation and ultrasonic to obtain nanocellulose fibers. The cellulose films were obtained at a microscale thickness of 0.05 ± 0.00; 0.37 ± 0.03; 0.06 ± 0.01 e 0.030 ± 0.01 mm, with the following particle size: 500 µm, 300 µm, 150 µm, and retain (<150 µm). The bleaching efficiency of the cellulose fibers of each particle size fraction was evaluated for color through a colorimeter. In addition, the extraction of cellulose fibers was assessed by infrared with Fourier transform, and size and shape were assessed by microscopy. Differential scanning calorimetry and X-ray diffraction were performed to confirm the thermal and crystalline properties. Combining autohydrolysis with a bleaching step proved to be a promising and ecological alternative to obtain white fractions rich in cellulose. It was possible to perform the extraction of cellulose to obtain nanocellulose fibers from vine pruning residues for the development of coatings for the conservation of heritage buildings from environmental conditions through an environmentally friendly process.

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Section: Cellulose Extraction From Vine Stalksmentioning

confidence: 99%

Implementation of a Circular Bioeconomy: Obtaining Cellulose Fibers Derived from Portuguese Vine Pruning Residues for Heritage Conservation, Oxidized with TEMPO and Ultrasonic Treatment

Araújo,

Machado,

Sousa

et al. 2023

Agriculture

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“…In cotton, cellulose makes clothes like t-shirts and jeans. [19][20][21] In light of increasing industrial demand, new cellulose sources from original plants like those grown in the Sahara should be identified. 8 These Saharan plants are usually high in polysaccharides, particularly those belonging to the genus Astragalus (Fabaceae) and, in particular, Astragalus Gombo (AG) (Fabaceae), a perennial, ubiquitous and indigenous plant that is commonly utilized as animal fodder.…”

Section: Introductionmentioning

confidence: 99%

Astragalus gombo as a renewable source of cellulose: Experimental and response surface approaches

Ben Seghir,

Hemmami,

Layachi

et al. 2023

Polymers from Renewable Resources

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The utilization of Astragalus Gombo (AG) as a primary ingredient in this research has been employed for the purpose of cellulose synthesis. The objective of this study was to explore the potential of utilizing agricultural waste, specifically AG, as a novel source for cellulose production. The cellulose underwent a three-step preparation process. Initially, deproteinization was conducted, followed by lipid extraction. Subsequently, a bleaching treatment was applied to eliminate lignin and hemicellulose. This study investigates the optimization of cellulose extraction from agricultural residues through the utilization of analysis of variance. Various extraction durations (1, 2, and 4 h), extraction temperatures (30, 60, and 100°C), and concentrations of NaOH (5, 10, and 20%) were employed. The optimal circumstances can be ascertained employing the 3-D response surface and contour plot generated from the mathematical models. The most favorable conditions for extraction involve maintaining an extraction temperature of 30°C, an extraction period of 2 h, and a NaOH concentration of 5%. Based on the regression analysis, the estimated final mass is projected to be 1356 g, with a regression coefficient of 90.96%, given the specified parameters. The cellulose was subjected to a comprehensive analysis using several spectroscopic, thermal, morphological, and structural techniques, including Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), X-ray Diffraction (XRD), Thermogravimetric Analysis (TGA), Differential Thermogravimetry (DTG), and Scanning Electron Microscopy (SEM). The preparations of cellulose from AG were executed successfully. Furthermore, the findings of this study indicate that AG represents a newly identified environmentally sustainable resource.

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Upcycling Food By‐products: Characteristics and Applications of Nanocellulose

Kim,

Doh

2024

Chemistry An Asian Journal

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Rising global food prices and the increasing prevalence of food insecurity highlight the imprudence of food waste and the inefficiencies of the current food system. Upcycling food by‐products holds significant potential for mitigating food loss and waste within the food supply chain. Food by‐products can be utilized to extract nanocellulose, a material that has obtained substantial attention recently due to its renewability, biocompatibility, bioavailability, and a multitude of remarkable properties. Cellulose nanomaterials have been the subject of extensive research and have shown promise across a wide array of applications, including the food industry. Notably, nanocellulose possesses unique attributes such as a surface area, aspect ratio, rheological behavior, water absorption capabilities, crystallinity, surface modification, as well as low possibilities of cytotoxicity and genotoxicity. These qualities make nanocellulose suitable for diverse applications spanning the realms of food production, biomedicine, packaging, and beyond. This review aims to provide an overview of the outcomes and potential applications of cellulose nanomaterials derived from food by‐products. Nanocellulose can be produced through both top‐down and bottom‐up approaches, yielding various types of nanocellulose. Each of these variants possesses distinctive characteristics that have the potential to significantly enhance multiple sectors within the commercial market.

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The influence of particle size on the extraction of cellulose nanofibers using chemical-ultrasonic process

Cited by 7 publications

References 16 publications

Implementation of a Circular Bioeconomy: Obtaining Cellulose Fibers Derived from Portuguese Vine Pruning Residues for Heritage Conservation, Oxidized with TEMPO and Ultrasonic Treatment

Implementation of a Circular Bioeconomy: Obtaining Cellulose Fibers Derived from Portuguese Vine Pruning Residues for Heritage Conservation, Oxidized with TEMPO and Ultrasonic Treatment

Astragalus gombo as a renewable source of cellulose: Experimental and response surface approaches

Upcycling Food By‐products: Characteristics and Applications of Nanocellulose

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