PROCESSING OF LIGNOCELLULOSIC WASTE FROM THE FOOD INDUSTRY AND AGRICULTURE IN THE CONTEXT OF THE CIRCULAR ECONOMY: TECHNOLOGICAL APPROACHES
DOI:
https://doi.org/10.31073/foodresources2026-26-16Keywords:
lignocellulosic biomass, delignification, enzymatic hydrolysis, hydrodynamic cavitation, circular economyAbstract
Subject. The process of pretreatment of lignocellulosic biomass, particularly delignification methods and intensification of hydrolysis of plant raw materials in bioethanol and biogas production technologies. Purpose. To analyze modern physicochemical methods for processing biomass pretreatment and evaluate effectiveness of technological approaches to intensifying the hydrolysis of plant raw materials. Methods. Analytical research methods, causal analysis and logical generalization were applied. Scientific information from international databases, including PubMed, CrossRef, Scopus, WoS, Google Scholar, and Index Copernicus were systematized. Results. A comparative analysis of conventional (physical, chemical, biological) and combined biomass pretreatment was carried out. Alkaline pretreatment was found to be more effective for lignin removal and increasing cellulose accessibility to enzymatic hydrolysis. The application of ultrasonic and hydrodynamic cavitation was shown to intensify delignification processes, increase biomass porosity and improve the yield of target products. The prospects of using rotary-pulsation devices as efficient equipment for integrated processing of lignocellulosic raw materials are substantiated. Improving the pretreatment technology for lignocellulosic biomass is a key area for enhancing the efficiency of second-generation ethanol production and implementing the principles of the circular economy in the field of organic waste processing. Scope of the results. The research results can be applied in bioenergy sector for the development and improvement of technologies for processing lignocellulosic biomass into second generation ethanol and other value-added products. Practical application is possible in the design of energy-efficient equipment and optimization of technological processes in industrial and semi-industrial installations.
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