From Waste to Value: Data-Driven Insights for Biomass Valorization

The conversion of biomass to value-added products represents a critical pathway toward sustainable chemical production and reduced fossil fuel dependence. This comprehensive review analyzes ~220,000 documents from the CAS Content Collection database between 2015-2025 to examine the technological evolution and research developments in biomass-conversion to chemicals and fuels, a critical pathway toward sustainable energy and chemical prod1uction. This review finds that moderate growth in journal publications with publication volume nearly doubled between 2015 and 2024, while patent publications show inconsistent growth, suggesting weak alignment between fundamental research and commercialization. Three dominant conversion technologies emerge: thermochemical (including carbonization, pyrolysis, and gasification), biochemical (fermentation and enzymatic hydrolysis), and chemical processes (hydrolysis and transesterification), with balanced distribution indicating no single dominant pathway. Plant-based residues and waste dominate as feedstocks due to their abundance and high lignocellulosic content, followed by oils and fats. Major products include fuels (carbon materials, aliphatic hydrocarbons, esters), platform chemicals and materials, fertilizers, and pharmaceuticals, with fuels and platform chemicals representing the largest research areas. China emerges as the dominant contributor, accounting for 73% of global patent filings, with Sinopec holding over 1,100 patents, four times higher than the second-largest assignee. Critical challenges include large-scale production limitations, high processing costs, and feedstock sustainability, while highlighting promising growth areas such as pyrolysis (36% year-over-year growth) and hydrothermal reactions. With biomass accounting for 1% of U.S. and 5% of EU total national grid energy generation, this review provides crucial insights for advancing sustainable biomass-based chemical systems while addressing the gap between academic research and industrial implementation. The analysis herein provides researchers with a deep understanding of current trends, emerging opportunities, and commercial insights in biomass valorization, serving as a foundational guide for both established scientists and non-specialists in this rapidly evolving field.