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Agroresidues are the main source of lignocellulosic biomass. Lignocellulosic biomasses are globally abundant, inexpensively-available and sustainable sources suitable for the development of bioethanol manufacturing.. A huge diversity of agroresidue is available around the world. Agricultural and agro-industrial residues such as sugarcane bagasse, rice hulls, wheat straw, rape straw, wheat bran, barley straw, and cassava stalks have the potential to be subjected to bioconversion processes.. Lignocellulosic biomass is a plant biomass and it is composed of cellulose, hemicelluloses and lignin. Biomass has been identified as a highly sought-after resource, due to its capacity to be used as a substitute for petroleum in the production of biofuels and chemicals.
Bio-ethanol is an attractive, sustainable energy source to fuel transportation , which is prepared by these agroresidues in different steps. Prior to degradation of biomass components, pretreatment is essential.. The pretreatment of biomass can be achieved through a variety of means; one such method being dilute acid pretreatment. This method is effective in enabling access to the internal structures of the biomass for further processing.. Most of the technology has also been developed for converting the second largest biomass fraction, Cellulose and hemicellulose, into ethanol.Following pretreatment, enzymatic hydrolysis can be utilized to ferment pre-treated biomass either through Simultaneous Saccharification (SS) or by additional acidic treatment. SSF is the favored method for creating ethanol from the major portion of lignocellulosic biomass, cellulose, as it exhibits cost-efficiency.l. A range of acid pre-treatment of biomass was made and the pretreated biomass samples were fermented with Saccharomyces cerevisiae. The sample, pre-treated with a 3% dilute sulfuric acid solution, yielded an ethanol concentration of 4.9 g l-1. The residual fraction, predominantly composed of lignin, can be utilized as boiler fuel in order to facilitate the conversion process and generate surplus electricity for exportation.
New developments and approaches of biofuel production from kinds of lignocellulosic biomass inconversion technology enhance the ethanol production and have reduced the projected price of ethanol in the present scenario. In a case study of production of ethanol from agroresidues such as rape straw, sugercane bagasse in eastern U.P. was found 348 L and 360 L (approx) ethanol per dry ton biomass. Ethanol is used as E85, E10 as a motor fuel. The utilization of biofuels is predicted to diminish reliance on imported petroleum, which has the potential to reduce political and economic instability, and concurrently lower greenhouse gas emissions and other pollutants in the atmosphere. Moreover, an enhanced demand for agricultural products is likely to stimulate the fiscal climate.. In future, bio fuels should ideally create the environmental, economic and social benefits to the communities and reflect energy efficiency.
"Exploitation of Ethanol as an Alternative Fuel Source from Agricultural Residues", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.8, Issue 2, page no.500 - 506, February-2023, Available :http://www.ijrti.org/papers/IJRTI2302084.pdf
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator