Furfural production from rice husks within a biorefinery framework

Bariani, Melissa; Boix, Elzeario; Cassella, Francisco; Cabrera, María Noel

doi:10.1007/s13399-020-00810-1

Cited by 27 publications

(11 citation statements)

References 36 publications

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“…Świątek et al (2020) achieved a maximum yield of 18.5 mg.g -1 dry biomass in the hydrolysis of Miscanthus with 0.05 mol.L -1 sulphuric acid at 200 °C. Bariani et al (2020) obtained a high yield of 64% in the hydrolysis of rice husks with 1.5% sulfuric acid (w/w) at 185 °C and 10 min. of reaction.…”

Section: Hydrolysis and Pyrolysis Bioproductsmentioning

confidence: 99%

Analysis of the potential of cupuaçu husks (Theobroma grandiflorum) as raw material for the synthesis of bioproducts and energy generation

et al. 2022

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Lignocellulosic waste is a valuable source of energy, fuels, and raw materials for the chemical industry. In this study, the potential of cupuaçu husks, derivative from a typical fruit of the Brazilian Amazon, was evaluated. Therefore, biomass was submitted to acid hydrolysis and pyrolysis, and the contents of sugars, by-products, bio-oil compounds, and bio-oil theoretical energy potential were determined. X-ray diffraction, High performance liquid chromatography, Fourier-transform infrared and Gas chromatography mass spectrometry analyzes were used. The hydrolysate has considerable sugar levels (31.7%) and presence of relevant by-products including furfural, levulinic acid and hydroxymethylfurfural. Bio-oil contained a variety of phenolic compounds, and its theoretical energy potential suggested usability of cupuaçu husks for energy generation. Economic analysis showed that commercialization of bioproducts obtained by biomass hydrolysis and pyrolysis could be highly profitable. These outcomes indicate a range of applications for cupuaçu husks in biorefinery processes and potential to promote sustainability and social development.

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Section: Hydrolysis and Pyrolysis Bioproductsmentioning

confidence: 99%

Analysis of the potential of cupuaçu husks (Theobroma grandiflorum) as raw material for the synthesis of bioproducts and energy generation

et al. 2022

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“…The large amount of PHL produced will provide adequate feedstock for the industrial-scale production of ethanol and XA by the current protocol. Acid hydrolysis is a mature and commercial technology for the production of platform chemicals, such as furfural and HMF [49]. In this work, this technology has also been proposed to enrich the xylose amount in PHL to prepare a fermentation substrate.…”

Section: Prospect Of the Protocol For Industry Applicationmentioning

confidence: 99%

Removal of fermentation inhibitors from pre-hydrolysis liquor using polystyrene divinylbenzene resin

Huang

Zheng

Lin

et al. 2020

Biotechnol Biofuels

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Background The presence of soluble lignin, furfural and hydroxymethylfurfural (HMF) in industrial pre-hydrolysis liquor (PHL) from the pulping process can inhibit its bioconversion into bioethanol and other biochemicals. Although various technologies have been developed to remove these inhibitors, certain amounts of sugars are also inevitably removed during the treatment process. Hence, polystyrene divinylbenzene (PS-DVB) resin was used as an adsorptive material to simultaneously remove fermentation inhibitors while retaining sugars with high yields to improve the fermentability of PHL after acid hydrolysis by enriching its xylose concentration. The fermentability of acid-hydrolyzed PHL (A-PHL) was evaluated by the bioconversion into ethanol and xylosic acid (XA) after treatment with PS-DVB resin. Results The results showed that the highest xylose concentration (101.1 g/L) in PHL could be obtained by acid hydrolysis at 100 °C for 80 min with 4% acid, while the concentration of fermentation inhibitors (furfural, HMF and lignin) in PHL could also be significantly improved during the acid-hydrolysis process. After treatment with PS-DVB resin, not only were 97% of lignin, 92% of furfural, and 97% of HMF removed from A-PHL, but also 96% of xylose was retained for subsequent fermentation. With resin treatment, the fermentability of A-PHL could be improved by 162–282% for ethanol production from A-PHL containing 30–50 g/L xylose and by 18–828% for XA production from A-PHL containing 90–150 g/L xylose. Conclusions These results confirmed that PS-DVB resin can remove inhibitors from PHL before producing value-added products by bioconversion. In addition, this work will ideally provide a concept for producing value-added chemicals from pre-hydrolysis liquor, which is regarded as the waste stream in the pulping process.

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“…They can be extracted from various plant parts and classified accordingly [7]. Rice husks are natural fibers obtained by milling processes, constituting approximately 20% of total paddy rice [8,9]. They are characterized by low density, low calorific value, and high ash content and contain about 35%, 25%, and 20% cellulose, hemicellulose, and lignin respectively [9,10].…”

Section: Introductionmentioning

confidence: 99%

“…Rice husks are natural fibers obtained by milling processes, constituting approximately 20% of total paddy rice [8,9]. They are characterized by low density, low calorific value, and high ash content and contain about 35%, 25%, and 20% cellulose, hemicellulose, and lignin respectively [9,10]. Rice husks are underutilized in Uganda and many other developing nations, due to limitations in methods necessary to convert them into useful products [11].…”

Section: Introductionmentioning

confidence: 99%

Optimization of tensile strength of PLA/clay/rice husk composites using Box-Behnken design

Yiga

Lubwama

Pagel

et al. 2021

Biomass Conv. Bioref.

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It is extremely important to save costs and time while enhancing accuracy in experimentation. However, no study has utilized response surface methodology (RSM) to obtain the effects of independent parameters on properties of PLA/clay/rice husk composites. This study focused on optimization of tensile strength of fiber-reinforced polylactic acid (PLA) composites. RSM using Box-Behnken design (BBD) was used to determine optimum blending parameters of the developed composites. Fiber-reinforced PLA composites were prepared using compression molding. Rice husk fiber and clay filler were used to enhance tensile properties of PLA. Five factors, namely, clay filler loading (1 − 5 wt.%), rice husk fiber loading (10 − 30 wt.%), alkali concentration (0 − 4 wt.%), rice husk variety (K85, K98), and alkali type (NaOH, Mg(OH)2) were varied with 68 individual experiments. Tensile tests were carried out according to ASTM D638 standards. ANOVA results revealed that the quadratic models best fit the tensile strength response, with filler loading and fiber loading factors as the most significant model terms. Interaction effects were more predominant than linear and quadratic effects. The developed models used to determine maximum tensile strengths of PLA/clay/rice husk composites were in close agreement with experimental findings (R2 values of 0.9635, 0.9624, 0.9789, and 0.9731 for NaOH-modified K85 rice husks, Mg(OH)2-modified K85 rice husks, NaOH-modified K98 rice husks, and Mg(OH)2-modified K98 rice husks respectively). Individual optimal conditions were used to predict maximum tensile strengths in each set of developed composites. The predicted tensile strengths were 32.09 MPa, 33.69 MPa, 32.47 MPa, and 32.75 MPa for PLA/clay composites loaded with NaOH-modified K85 rice husks, Mg(OH)2-modified K85 rice husks, NaOH-modified K98 rice husks, and Mg(OH)2-modified K98 rice husks, respectively, which were very close to the obtained experimental values of 31.73 MPa, 33.06 MPa, 32.02 MPa, and 31.86 MPa respectively.

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Furfural production from rice husks within a biorefinery framework

Cited by 27 publications

References 36 publications

Analysis of the potential of cupuaçu husks (Theobroma grandiflorum) as raw material for the synthesis of bioproducts and energy generation

Analysis of the potential of cupuaçu husks (Theobroma grandiflorum) as raw material for the synthesis of bioproducts and energy generation

Removal of fermentation inhibitors from pre-hydrolysis liquor using polystyrene divinylbenzene resin

Optimization of tensile strength of PLA/clay/rice husk composites using Box-Behnken design

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