Intensification of alkaline delignification of sugarcane bagasse using ultrasound assisted approach

Kininge, Madhuri M.; Gogate, Parag R.

doi:10.1016/j.ultsonch.2021.105870

Cited by 36 publications

(11 citation statements)

References 53 publications

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“…Figure 2 a depicts the FTIR spectra of SCF samples, where absorbance peaks appeared at 3200–3500 cm −1 (OH groups in cellulose), 2892 cm −1 (C-H vibration in cellulose and hemicellulose), 1633 cm −1 (vibration of water molecules absorb in cellulose), 1426 cm −1 (–CH 2 group of cellulose), 1367 cm −1 (–CH group of cellulose), 1158 cm −1 (hydroxyl bending of cellulose), 1028 cm −1 (O–H vibration in cellulose), and 895 cm −1 (C–O stretching in cellulose). The broadening of the OH band (3200–3500 cm −1 ) in IR spectra resulted from a mixture of intermolecular (3230–3310 cm −1 ) and intramolecular (3340–3375 cm −1 ) hydrogen bonds [ 39 , 40 ]. These bands have higher intensities in the spectra of AHP-treated SCF, thereby confirming the variation in the hydrogen bond structure of SCF.…”

Section: Resultsmentioning

confidence: 99%

Effects of Incorporating Alkaline Hydrogen Peroxide Treated Sugarcane Fibre on The Physical Properties and Glycemic Potency of White Bread

Halim

Taheri

Yassin

et al. 2023

Foods

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The consumption of dietary fibres can affect glycemic power and control diabetes. Sugarcane fibre (SCF) is known as insoluble dietary fibre, the properties of which can be affected by physical, chemical, and enzymatic treatments. In this study, alkaline hydrogen peroxide (AHP) treatments were conducted over time (0.5, 1, 3, and 5 h) at 12.6% (w/v) SCF and the effects on the physicochemical and structural properties of the SCF were evaluated. After making dough and bread with the SCF, with and without AHP treatments, the glycemic responses of the bread samples were evaluated. Shorter durations of AHP treatment (0.5 and 1 h) reduced lignin effectively (37.3 and 40.4%, respectively), whereas AHP treatment at 1 and 3 h duration was more effective in increasing particle sizes (50.9 and 50.1 μm, respectively). The sugar binding capacity, water holding capacity (from 2.98 to 3.86 g water/g SCF), and oil holding capacity (from 2.47 to 3.66 g oil/g SCF) increased in all AHP samples. Results from Fourier-transform infrared spectroscopy (FTIR) confirmed the polymorphism transition of cellulose (cellulose I to cellulose II). The morphology of SCF detected under scanning electron microscopy (SEM) indicated the conversion of the surface to a more porous, rough structure due to the AHP treatment. Adding SCF decreased dough extensibility but increased bread hardness and chewiness. All SCF-incorporated bread samples have reduced glycemic response. Incorporation of 1, 3, and 5 h AHP-treated SCF was effective in reducing the glycemic potency than 0.5 h AHP-treated SCF, but not significantly different from the untreated SCF. Overall, this study aims to valorize biomass as AHP is commonly applied to bagasse to produce value-added chemicals and fuels.

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Section: Resultsmentioning

confidence: 99%

Effects of Incorporating Alkaline Hydrogen Peroxide Treated Sugarcane Fibre on The Physical Properties and Glycemic Potency of White Bread

Halim

Taheri

Yassin

et al. 2023

Foods

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“…NaOH-treated fiber content has the most resistance to stretching because the chemical treatment removes the fibers’ moisture, making the fibers stronger. 34,48 Also, chemical treatment makes the fibers stiffer and stronger to bend. In the B10%–S20% composite, the most strength is shown.…”

Section: Resultsmentioning

confidence: 99%

Experimental investigation on mechanical properties of novel polymer hybrid composite with reinforcement of banana fiber and sugarcane bagasse powder

Madgule,

Deshmukh,

Perveen

et al. 2023

Advances in Mechanical Engineering

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Natural fibers such as Banana fiber and sugarcane bagasse powder are used in the present study, which are abundantly available at low cost. Novel hybrid natural fiber reinforced composite specimen prepared by using the matrix material as epoxy (70%) with the addition of hardener and the reinforcement material (30%) used as NaOH chemical treated banana fiber with the addition of filler material as sugarcane bagasse powder to enhance the property. To prepare the composite material hand-lay process is used and manufactured three different combination of specimen by varying the composition ration of 10%, 15%, and 20% of reinforced material. The mechanical properties such as tensile, compression, flexural, Impact test of the prepared specimen have been evaluated as per the ASTM standards. The mechanical properties results depicts that the specimen prepared with chemically treated fiber gives more strength as compared to untreated fiber composites. The morphological study evidences the proper fiber used while preparing the hybrid composite material. The maximum tensile strength achieved in specimen is 73.48 MPa, compressive strength of 99.63 MPa, flexural strength of 77.50 MPa, Impact strength of 4.8 J/mm, Vickers hardness value of 59.6. The specimen prepared with chemically treated specimen has a higher percentage of water absorption than the untreated. This novel hybrid composite material can be used in automobile, aircraft, building, sports, and household applications.

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“…An additional advantage of the turbulence created using ultrasound in HMF synthesis is the cleaning action on the catalyst surface, which enhances the area for mass transfer and increases the rate of reaction . Ultrasound assistance in the biomass delignification processing has also shown similar benefits as a confirmatory evidence, in terms of enhanced surface area and the decrease in crystallinity due to enhanced delignification, compared to conventional methods . In terms of effect of substrate loading, microreactors favor higher substrate loading than ultrasound or microwave-assisted synthesis.…”

Section: Hmf Synthesis From Sugarsmentioning

confidence: 99%

“…72 Ultrasound assistance in the biomass delignification processing has also shown similar benefits as a confirmatory evidence, in terms of enhanced surface area and the decrease in crystallinity due to enhanced delignification, compared to conventional methods. 73 In terms of effect of substrate loading, microreactors favor higher substrate loading than ultrasound or microwave-assisted synthesis.…”

Section: Continuous Conversion Of Sugars Into Hmfmentioning

confidence: 99%

A Review on Green and Efficient Synthesis of 5-Hydroxymethylfurfural (HMF) and 2,5-Furandicarboxylic Acid (FDCA) from Sustainable Biomass

Aranha

Gogate

2023

Ind. Eng. Chem. Res.

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The present work gives an overview of the approaches for green synthesis of 5-hydroxymethylfurfural (HMF) and 2,5 furan dicarboxylic acid (FDCA) focusing on reduction in the byproduct formation such as levulinic acid and humins. It was elucidated that the use of highly polar and aqueous solvents, high Brønsted acidity, high pH, reaction time, and temperature increases the levulinic acid formation in the reaction. In contrast, humin formation is increased by high basicity, temperature, and initial substrate concentration. Specific catalytic and solvent systems for minimizing the byproduct formation during HMF synthesis are also discussed along with options for use of microwave, ultrasound, and continuous processes. In terms of intensification, safety, and ease of scale-up, the use of ultrasound for HMF synthesis is promising; however, microreactors are currently a better choice for higher substrate concentration usage and higher yields. Effect of parameters like reaction time, temperature, oxidizing source, solvent, and base on FDCA synthesis is also analyzed. Depending on the reaction conditions and the reactor type, the optimum temperature typically should be between 80 and 160 °C, moderate bases, such as K2CO3 and KHCO3, are preferred to maintain a preferred pH of 7−11 and O2 is an ideal oxidizing agent. The reaction pathway for FDCA synthesis from HMF was also studied and the effect of the base and solvent elucidated. Finally, one-pot synthesis of FDCA from HMF and the strategies necessary to optimize the FDCA yield has been discussed. It was demonstrated that one-pot two-step FDCA synthesis from sugars provides enhanced FDCA yield, selectivity, and lower byproduct formation, compared to one-pot one-step synthesis.

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Intensification of alkaline delignification of sugarcane bagasse using ultrasound assisted approach

Cited by 36 publications

References 53 publications

Effects of Incorporating Alkaline Hydrogen Peroxide Treated Sugarcane Fibre on The Physical Properties and Glycemic Potency of White Bread

Effects of Incorporating Alkaline Hydrogen Peroxide Treated Sugarcane Fibre on The Physical Properties and Glycemic Potency of White Bread

Experimental investigation on mechanical properties of novel polymer hybrid composite with reinforcement of banana fiber and sugarcane bagasse powder

A Review on Green and Efficient Synthesis of 5-Hydroxymethylfurfural (HMF) and 2,5-Furandicarboxylic Acid (FDCA) from Sustainable Biomass

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