A review on biomethane potential of paddy straw and diverse prospects to enhance its biodigestibility

Singh, Richa; Kumar, Sachin

doi:10.1016/j.jclepro.2019.01.207

Cited by 38 publications

(5 citation statements)

References 88 publications

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“…LCB generally comprises cellulose (38-50%), hemicelluloses (23-32%), and lignin (15-25%) [7,8]. Cellulosic and hemicellulosic fractions are polymeric sugars, which need to be hydrolyzed into monomeric fermentable sugars.…”

Section: Lignocellulosic Biomass (Lcb)mentioning

confidence: 99%

“…The optimal range of C/N ratio is between 20 and 30, and outside this range, nutrient imbalance usually takes place, which causes low performance. To mitigate ammonia inhibition caused by an imbalanced C/N ratio, the co-digestion of carbon and nitrogen-rich feedstocks could be a solution to balance the C/N to an appropriate value [7].…”

Section: Ammonia Inhibitionmentioning

confidence: 99%

“…Recent reports of the Intergovernmental Panel on Climate Change (IPCC) have reported the projected production of bioenergy to 100 EJ by 2050, which will account for almost 20% of the total energy needs [2][3][4][5]. Correspondingly, biogas is one of the sources of bioenergy produced through the anaerobic digestion (AD) of an organic matter in a cost-effective manner using a group of microorganisms [6][7][8]. It has gained attention in the past few decades to meet the demands for heat, electricity, and transportation fuel whilst reducing the environmental impact.…”

Section: Introductionmentioning

confidence: 99%

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Thermophilic Anaerobic Digestion: An Advancement towards Enhanced Biogas Production from Lignocellulosic Biomass

et al. 2023

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Thermophilic anaerobic digestion (TAD) technology has been adopted worldwide mainly due to it being a pathogen-free process in addition to the enhanced biogas yield and short hydraulic retention time (HRT). Taking the high metabolic rate of the thermophilic microbial community with highly efficient enzymatic systems into consideration, thermophiles are being widely explored as efficient inocula for lignocellulosic biomass (LCB) degradation and improved biomethane production. The advantages of TAD over mesophilic anaerobic digestion (MAD), including improved kinetics, efficient degradation of organic matter, and economic and environmental sustainability, make it one of the best strategies to be operated at moderately high temperatures. This review sheds light on the relevant role of thermophilic microorganisms as inocula in the anaerobic digestion of organic matter and factors affecting the overall process stability at high temperatures. Further, the discussion explains the strategies for enhancing the efficiency of thermophilic anaerobic digestion.

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Section: Lignocellulosic Biomass (Lcb)mentioning

confidence: 99%

Section: Ammonia Inhibitionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Thermophilic Anaerobic Digestion: An Advancement towards Enhanced Biogas Production from Lignocellulosic Biomass

et al. 2023

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“…The agricultural production process produces large quantities of solid straw waste every year and how to deal with such solid waste effectively is a critical issue in the world. [1] At present, landfilling and composting are the main strategies for disposing of such solid waste; however, this strategy leads to groundwater contamination and the release of irritant gases. [2,3] A good way to solve the solid pollution is making the straw waste into composite materials.…”

Section: Introductionmentioning

confidence: 99%

A novel biodegradable flowerpot prepared by fermented straw fiber and urea‐formaldehyde adhesive modified with keratin from waste feathers

Yong

Guan

et al. 2021

Vinyl Additive Technology

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The recycling and utilization of feather waste from animal husbandry and straw from agriculture is a worldwide problem. In this study, keratin was extracted from waste feathers and used to modify urea‐formaldehyde (UF) adhesive to obtain biodegradable adhesive for making straw flowerpots with high performance. The results showed that keratin could reduce free formaldehyde and improve the thermal stability of UF. Furthermore, the mechanical properties of the flowerpot with keratin were greatly improved. The observed performance enhancements were attributed to the excellent adhesiveness of the bonding interface. In addition, the addition of keratin makes the flowerpot more hydrophilic and provides a better source of nutrients for microbes to grow and reproduce on the surface of the flowerpot, which is more conducive to the biodegradation of flowerpots after they are discarded. Our experiment suggests the great potential in terms of profitability and environmental protection by flowerpots prepared by fermented straw fiber and keratin‐modified UF.

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“…A similar situation, as described above, can be witnessed in international publications on this topic. Whereas literature about technologies employed [29,30], feedstock potentials [31][32][33], or sustainability issues [34,35] associated with biomethane use are broadly available, literature on how to successfully implement biomethane as a technology option in an energy system transforming to a RE based energy system, is limited [36][37][38][39]. Indeed, such literature is mainly available for other technological options like photovoltaic [40] or wind power [41].…”

Section: Introductionmentioning

confidence: 99%

Biogas Upgrading: A Review of National Biomethane Strategies and Support Policies in Selected Countries

et al. 2019

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Bioenergy contributes significantly towards the share of renewable energies, in Europe and worldwide. Besides solid and liquid biofuels, gaseous biofuels, such as biogas or upgraded biogas (biomethane), are an established renewable fuel in Europe. Although many studies consider biomethane technologies, feedstock potentials, or sustainability issues, the literature on the required legislative framework for market introduction is limited. Therefore, this research aims at identifying the market and legislative framework conditions in the three leading biomethane markets in Europe and compare them to the framework conditions of the top six non-European biomethane markets. This study shows the global status and national differences in promoting this renewable energy carrier. For the cross-country comparison, a systematic and iterative literature review is conducted. The results show the top three European biomethane markets (Germany, United Kingdom, Sweden) and the six non-European biomethane markets (Brazil, Canada, China, Japan, South Korea, and the United States of America), pursuing different promotion approaches and framework conditions. Noteworthy cross-national findings are the role of state-level incentives, the tendency to utilise biomethane as vehicular fuel and the focus on residues and waste as feedstock for biomethane production. Presenting a cross-country comparison, this study supports cross-country learning for the promotion of renewable energies like biomethane and gives a pertinent overview of the work.

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A review on biomethane potential of paddy straw and diverse prospects to enhance its biodigestibility

Cited by 38 publications

References 88 publications

Thermophilic Anaerobic Digestion: An Advancement towards Enhanced Biogas Production from Lignocellulosic Biomass

Thermophilic Anaerobic Digestion: An Advancement towards Enhanced Biogas Production from Lignocellulosic Biomass

A novel biodegradable flowerpot prepared by fermented straw fiber and urea‐formaldehyde adhesive modified with keratin from waste feathers

Biogas Upgrading: A Review of National Biomethane Strategies and Support Policies in Selected Countries

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