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International Journal of Advanced Engineering Application

ISSN: 3048-6807

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Pulsed Electric Field-Based Pretreatment of Flax Straw Influence of Particle Size on Efficiency

Author(s):Ravi Kumar�, Suresh Babu�, Manoj Sharma�

Affiliation: �,�,� Kumaraguru College of Technology, Coimbatore, India

Page No: 27-33

Volume issue & Publishing Year: volume 1 Issue 8, Dec-2024

Journal: International Journal of Advanced Engineering Application (IJAEA)

ISSN NO: 3048-6807

DOI:

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Abstract:
Biofuels are emerging as a sustainable and eco-friendly source of energy, primarily derived from renewable and low-cost feedstocks such as lignocellulosic biomass. However, the efficiency of biofuel production from lignocellulose is hindered by the complex composition and structural characteristics of the biomass, particularly the high cellulose crystallinity and the presence of lignin. These factors contribute to poor hydrolysis rates, resulting in low yields of fermentable sugars, which are essential for biofuel production. To overcome this challenge, a pretreatment step is often incorporated to enhance the digestibility of lignocellulosic biomass by reducing lignin content and cellulose crystallinity, thereby facilitating more efficient saccharification.
Among the various pretreatment technologies, Pulsed Electric Field (PEF) has shown promising results in improving the permeability of plant tissues. This process involves the application of high-voltage electric pulses, which create temporary pores in the cell membranes, enhancing the access of enzymes during subsequent hydrolysis. In this study, flax straw, a readily available lignocellulosic biomass, was subjected to PEF pretreatment. The hydrolysis of pretreated flax straw led to significant improvements in the yields of fermentable sugars, including glucose, cellobiose, and xylose. Specifically, the yields of glucose, cellobiose, and xylose were increased by 25%, 67%, and 12%, respectively, compared to untreated flax straw. These results demonstrate the potential of PEF as an effective pretreatment method to enhance the saccharification process, thereby improving the overall efficiency of biofuel production from lignocellulosic biomass.

Keywords: Biofuel; Biorefinery; Flax straw; Lignocellulose biomass; Pretreatment; Pulsed electric field; Saccharification

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