Evoluția ceretării privind biogazul: o analiză bibliometrică globală
The evolution of biogas research: a global bibliometric analysis

Summary/Abstract: Biogas is one of the most important renewable energy sources, contributing to the valorization of organic waste, the reduction of greenhouse gas emissions, and the promotion of a circular economy. In the context of the growing global interest in the energy transition and sustainable development, research on biogas has experienced significant growth worldwide. This paper examines the evolution of biogas research through a global bibliometric analysis, highlighting publication trends, major research directions, and the contributions of the most influential countries, institutions, and authors in the field. Furthermore, it identifies scientific collaboration networks, publication dynamics, and emerging research themes through keyword co-occurrence and co-citation analyses. The findings reveal a steady increase in the number of scientific publications on biogas, driven by concerns related to energy security, sustainable waste management, and climate change mitigation. The analysis also shows that current research is increasingly focused on optimizing anaerobic digestion processes, improving biogas production efficiency, integrating innovative technologies, and developing sustainable solutions for biomass valorization. The study demonstrates the importance of bibliometric analysis as an effective tool for assessing the evolution of scientific knowledge and provides a comprehensive overview of global research trends in the field of biogas. The results offer valuable insights for future research and support the development of strategies aimed at promoting renewable energy and sustainable resource management.

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