Synthesis and Characterization of Microcrystalline Cellulose from Giant Reed Using Different Delignification Processes

Beroual, Moufida; Mehelli, Oussama; Boumaza, Lokmane; Tarchoun, Ahmed Fouzi; Derradji, Mehdi; Khimeche, Kamel

doi:10.1007/978-981-15-9223-2_7

Cited by 8 publications

(6 citation statements)

References 43 publications

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“…In addition, the spectra around 1430 cm − 1 are connected to the crystallinity of cellulose and are related to CH 2 symmetric stretching. Additionally, the spectra at 898 matching to the C-O-C pyranose ring skeletal stretch, β-glycosidic bond stretch, and C-H asymmetric deformation [61]. Tis peak appearance on 6…”

Section: Ftirmentioning

confidence: 93%

Chemical Composition and Extraction of Micro Crystalline Cellulose from Outer Skin Isolated Coffee Husk

Zeleke

Sinha

Mengesha

2022

Advances in Materials Science and Engineering

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Coffee husk (CH) is a sustainable and abundantly available cellulosic waste material. Its fiber consists of cellulose as the major structural part which leads to potential utilization for the manufacturing of microcrystalline cellulose (MCC) products that can be utilized for different industrial applications. In the present study, chemical composition of outer skin-isolated coffee husk was determined and sequential treatments of various untreated (UT) sample, ethanol—toluene treated sample through dewaxed (DW) treatment, sodium hydroxide (NaOH)—treated sample through alkali (AT) treatment, and sulfuric acid (H2SO4)—treated sample through bleaching (BL) treatment have been carried out. The Micro Crystalline Cellulose (MCC) has been extracted through hydrogen peroxide (H2O2) after BL treatment. The BL treatment for MCC extraction process was conducted without chlorine and additional harsh acid treatment, respectively. The characterization of chemically treated samples was carried out to investigate their morphological, physico-chemistry, and thermal behavior through a scanning electron microscope (SEM), Fourier transform infrared—ray (FTIR), X-ray diffraction (XRD), thermo gravimetric analysis (TGA), and differential temperature analyzer (DTA). From the chemical composition analysis; the cellulose, hemicellulose, lignin, and extractive content were determined and its values were (52.9%), (12.5%), (24.3%), and (9.4%), respectively. In the morphological examination, the great untreated (UT) fiber sample was greatly reduced into a micro-sized BL sample, revealing that (from FTIR analysis) the lignin and hemicellulose contents were greatly removed during chemical treatments and the presence of a micro crystalline cellulose region with 54.7% yield. Also, the sample AT and BL showed the lowest amorphous region in X-RD due to the removal of hemicellulose and lignin. The highest crystallinity index has been determined for the BL sample, i.e., 89.9%. Additionally, the thermal analysis shows that the AT and BL sample has great thermal stability than other (UT and DW) samples at high temperature. Therefore, the outer skin separated coffee husk was prepared from agricultural waste was subjected to eco-friendly chemical treatments to yield MCC. Thus, the extracted MCC is expected to be reliable for replacing other plant materials for the production of crystalline nanomaterial and reinforcing constituent for the fabrication of bio composite.

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Section: Ftirmentioning

confidence: 93%

Chemical Composition and Extraction of Micro Crystalline Cellulose from Outer Skin Isolated Coffee Husk

Zeleke

Sinha

Mengesha

2022

Advances in Materials Science and Engineering

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“…Moreover, it can also be found in certain fungi, bacteria, animals, and to a lesser extent, in tunicates (small, sessile marine animals) [ [1] , [2] , [3] ]. Numerous plants, including oil palm [ [4] , [5] , [6] , [7] ], pineapple [ 8 ], giant reed [ 9 ] and kenaf [ 10 ], are significant sources of this remarkable material. Nevertheless, natural cellulose often coexists with other plant components, such as lignin, hemicellulose, pectin, and starch.…”

Section: Introductionmentioning

confidence: 99%

Response surface methodology for optimization of nitrocellulose preparation from nata de coco bacterial cellulose for propellant formulation

Jori Roslan,

Jamal,

Abdul Rashid

et al. 2024

Heliyon

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“…The cellulose extracted from the wheat residues (WC) shows the presence of laminar folds, which is attributed to the delignification of the biomass (Figure 2b) [39], as well as filaments owing to the removal of non-cellulosic components during the pretreatments used, delignification processes, and alkaline treatment [40]. According to the EDS spectrum, the elements with a more significant presence in CC are carbon (50.74% w) and oxygen (49.08% w), with slight traces of sodium (0.18% w); the disappearance of magnesium, phosphorus, sulfur, chlorine, and potassium, due to the treatment with NaOH, is necessary for the elimination of the lignin and hemicelluloses of the wheat residues (Figure 2a) [39].…”

Section: Structural Analysismentioning

confidence: 99%

Kinetics and Adsorption Equilibrium in the Removal of Azo-Anionic Dyes by Modified Cellulose

2022

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This study introduces a new and bio-friendly adsorbent based on natural and cetyltrimethylammonium chloride (CTAC)-modified adsorbent prepared from wheat straw residues for the removal of Congo red (CR) and tartrazine azo-anionic dyes from aqueous solution. The adsorbent was characterized by thermogravimetric analysis (TGA), calorimetric differential (DSC), scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM/EDX), and pH point of zero charge (pHPZC) techniques. It was found that decreasing the adsorbent dose and increasing the initial concentration favors the removal of tartrazine and Congo red. Tartrazine adsorption capacities were 2.31 mg/g for the cellulose extracted from wheat residues (WC) and 18.85 mg/g for the modified wheat residue cellulose (MWC) for tartrazine as well as 18.5 mg/g for WC and 19.92 for MWC during Congo red (CR) adsorption, respectively. Increasing the initial and decreasing the adsorbent dose concentration favored the adsorption process. From time effect analysis, it was found that the equilibrium time was reached at 120 min when modified wheat cellulose was used and at 480 min when wheat cellulose was used. The kinetics of adsorption were described by pseudo-second-order in all cases with R2 > 0.95. The obtained data equilibrium from this research was well-fitted by the Freundlich isotherm model.

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Synthesis and Characterization of Microcrystalline Cellulose from Giant Reed Using Different Delignification Processes

Cited by 8 publications

References 43 publications

Chemical Composition and Extraction of Micro Crystalline Cellulose from Outer Skin Isolated Coffee Husk

Chemical Composition and Extraction of Micro Crystalline Cellulose from Outer Skin Isolated Coffee Husk

Response surface methodology for optimization of nitrocellulose preparation from nata de coco bacterial cellulose for propellant formulation

Kinetics and Adsorption Equilibrium in the Removal of Azo-Anionic Dyes by Modified Cellulose

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