A comprehensive review on the pretreatment of lignocellulosic wastes for improved biogas production by anaerobic digestion

Poddar, Bhagyashri Jagdishprasad; Nakhate, Suraj Prabhakarrao; Gupta, Rakesh Kumar; Chavan, Atul Rajaram; Singh, Ajit Kumar; Khardenavis, Anshuman A.; Purohit, Hemant J.

doi:10.1007/s13762-021-03248-8

Cited by 50 publications

(19 citation statements)

References 204 publications

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“…4 ). This result indicated that sterilization alone could negatively affect the biogas production although many researchers in the literature showed that sterilization had no influence on the anaerobic digestion or could enhance biogas production when combined with acid or alkaline pretreatment method [ 5 ]. The increased biogas production by sterilization combined with Trametes sp.…”

Section: Resultsmentioning

confidence: 99%

“…Lignocellulosic material, which is mainly composed of cellulose, hemicellulose, and lignin, is such a recalcitrant compound during the anaerobic fermentation. Previous studies showed that pretreatment to lignocellulosic material prior to anaerobic digestion could increase the yield of biogas production since the pretreatment could change the chemical composition and structure of lignocellulose and make natural lignocellulose macromolecules susceptible to degrade [ 5 ]. Currently, pretreatment technologies can be roughly classified into physical, chemical, and biological method [ 6 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

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Efficient short time pretreatment on lignocellulosic waste using an isolated fungus Trametes sp. W-4 for the enhancement of biogas production

Jin¹,

Wei²

2023

Heliyon

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Efficient short time pretreatment on lignocellulosic waste using an isolated fungus Trametes sp. W-4 for the enhancement of biogas production

Jin¹,

Wei²

2023

Heliyon

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“…Despite the high fractionation efficiency achieved with chemical and solvent methods, it has been observed that harsher pretreatment conditions can lead to the generation of unwanted inhibitory components, such as hydroxymethylfurfural, furfural, and their derivatives (i.e., sodium acetate, ferulic acid, furan derivatives, absorbable organic halogen, p-coumaric acids, and phenolics) (Madadi et al, 2022b). These compounds can hinder the hydrolysis and fermentation processes, impeding efficient VFA production and necessitating the additional removal of these inhibitory pollutants (Poddar et al, 2022).…”

Section: Chemical and Organic Solvent Pretreatmentsmentioning

confidence: 99%

New trends in microbial lipid-based biorefinery for fermentative bioenergy production from lignocellulosic biomass

Al Azad,

Madadi,

Song

et al. 2024

Biofuel Res. J.

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Using oleaginous microbial lipid-based biorefinery from lignocellulosic biomass (LCB) to produce fermentative bioenergy (i.e., biodiesel) represents an innovative second-generation fuel production technology. These lipids are predominantly intracellular triglycerides that accumulate through the metabolism of sugars in fermentation following pretreatment and enzymatic hydrolysis of LCB. This review investigates the recent advances in the microbial lipid production from LCB, focusing on the factors influencing the lead microbial lipid producers, different pretreatment methods (i.e., physical, chemical, biological, and combined pretreatment), enzymatic hydrolysis approaches, novel bioprocessing strategies (i.e., microbes-specific and fermentation model specific), and engineering techniques of the oleaginous microbes (i.e., genetic and metabolic alterations). The study demonstrates that oleaginous yeasts can synthesize significantly higher quantities of lipids when incorporated into the system, known as separated hydrolysis and lipid production, following various combined pretreatment methods. Interestingly, CRISPR is found to be the most suitable way of engineering microbes genetically and metabolically for increased lipid synthesis. The study also explores economically viable strategies for fermentative lipid production, addressing associated challenges, and outlines future directions, including comprehensive techno-economic and life cycle assessments. This review offers invaluable insights into microbial lipid production from LCB, highlighting the potential for significant technological and environmental enhancements through ongoing research and development efforts.

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“…A similar result was reported by Wadchasit et al, 2020 who found that physical pretreatment (size reduction) increased methane Grinding pretreatment can increase pore size and accessible surface area. The reduction of particle size resists the acidification of the system (Poddar et al, 2022). A larger available surface area facilitates the degradation process and improves biogas production.…”

Section: Effect Of Physical Pretreatment On Biogas Productionmentioning

confidence: 99%

The Impact of Alkali Pretreatment and Organic Solvent Pretreatment on Biogas Production from Anaerobic Digestion of Food Waste

Shitophyta¹,

Padya²,

Zufar³

et al. 2022

J. Ecol. Eng.

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Anaerobic digestion of food waste is an encouraging technology for biogas production. Pretreatment of the substrate is needed to increase biodegradation. This study aimed to investigate the effect of alkali pretreatment and organic solvent pretreatment on biogas production. Physical pretreatment was also applied in this study. NaOH (0%, 2%, 4% and 6%) was used as alkali pretreatment. Ethanol (0, 2, 4 and 6%) was used as organic solvent pretreatment. The experiment was conducted in a 1 L batch digester under room temperature. Results showed that 0% NaOH generated the highest cumulative biogas yield of 46.1 mL/gVS. The best biodegradability of 37.5% was achieved in NaOH of 0%. The lower concentration of ethanol generated a higher biogas yield. The greatest cumulative yield of 41.5 mL/gVS was obtained at an ethanol concentration of 0% with a biodegradability of 33.84%. Statistical analysis proved that alkali pretreatment and organic solvent pretreatment had no significant effect on biogas production (p>0.05). Physical pretreatment had a significant effect (p<0.05) with the highest cumulative yield of 58.2 mL/gVS. The kinetic model proved that the modified Gompertz was a suitable model for predicting and simulating the kinetics of anaerobic digestion from food waste (R 2 > 0.9).

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A comprehensive review on the pretreatment of lignocellulosic wastes for improved biogas production by anaerobic digestion

Cited by 50 publications

References 204 publications

Efficient short time pretreatment on lignocellulosic waste using an isolated fungus Trametes sp. W-4 for the enhancement of biogas production

Efficient short time pretreatment on lignocellulosic waste using an isolated fungus Trametes sp. W-4 for the enhancement of biogas production

New trends in microbial lipid-based biorefinery for fermentative bioenergy production from lignocellulosic biomass

The Impact of Alkali Pretreatment and Organic Solvent Pretreatment on Biogas Production from Anaerobic Digestion of Food Waste

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