Environmental and economic assessments of syngas chains from residual woody biomass are rarely integrated in Mediterranean regions. Attributional life cycle assessment and life cycle costing were combined for three prospective configurations in the L...
The use of biomass waste as a precursor to biochar represents a sustainable avenue for the development of materials for energy storage. In this research, added value is given to the residual biomass of the Cassia fistula tree pod to manufacture anode...
This study evaluates the feasibility of valorizing the starch fraction of thermoplastic starch-based bioplastics (TPS-BPs) by converting it into lactic acid (LA) through microbial fermentation. To enhance the accessibility of the starch fraction with...
Despite its high biomass productivity and structural potential, the physicochemical properties of the native Mexican bamboo Guadua aculeata Rupr. ex E. Fourn (G. aculeata) remain largely unexplored across its distinct anatomical regions. This study p...
Biomass gasification in fluidized-bed reactors offers a versatile pathway for converting renewable feedstocks into energy-rich syngas, benefiting from intense gas–solid mixing and high heat and mass transfer rates. However, the strong coupling...
Excess phosphate (PS) removal from water can help reduce eutrophication and harmful algal blooms. Among various PS-adsorption technologies, waste-based biochar preloaded with iron has been proven effective. However, biochar enrichment with ferric sul...
The integration of thermodynamic efficiency, environmental mitigation, and circular resource recovery remains a fundamental challenge in the sustainability assessment of agro-industrial systems. Conventional methodologies—such as Exergoeconomic...
Silver fir (Abies alba) bark is an abundant forestry by-product with considerable potential as a renewable source of phenolic compounds. This study investigated the extraction of phenolic compounds from silver fir bark using a glucose/lactic acid (1:...
Biodiesel production generates ~10% crude glycerol as a byproduct, and its oversupply has depressed its value; the air–steam gasification of crude glycerol remains underexplored. This study models the equilibrium of that route through Gibbs min...
The growing global population underscores the urgent need for effective waste management protocols and sustainable energy systems. This study used Aspen Plus process simulations to evaluate biogas production from three biomass feedstocks—pig ma...
Fique (Furcraea spp.) generates both primary fibers and industrial bagasse during fiber extraction, but the potential of these two lignocellulosic streams for nanofiber production has not been adequately compared. In this study, cellulose nanofibers...
The aim of this study was to investigate the patterns governing the conversion of oilseed flax straw into retted straw under the climatic conditions of southern Ukraine through examining moisture absorption, moisture desorption, and the associated mi...
Biomass is an abundant renewable feedstock for combustion, co-firing, gasification, and pyrolysis, but in its raw form, it is a low-grade fuel. Low energy density, high moisture, and high contents of alkali and alkaline earth metals (AAEMs) and chlor...
Grape pomace (GP), a major wine industry residue, contains substantial amounts of phenolic bioactive compounds whose valorization potential remains underexploited. In this study, pomaces from the Syrah, Malbec, Cabernet Sauvignon, Tempranillo, Nebbio...
Calcium-rich biological wastes offer potential low-cost precursors for heterogeneous catalysts used in biodiesel processing. This study prepared a CaO-rich catalyst from snail shell, eggshell and periwinkle shell wastes and applied it to the transest...
Urban tree-pruning residues are an underused bioactive resource. This study evaluated a short three-stage crosscurrent process for valorising Maclura pomifera pruning leaves with water and aqueous ethanol. Each stage contacted the preceding residue w...
Coffee is one of the most widely consumed beverages worldwide and plays an important cultural, economic, and social role in producing and consuming regions. This review provides an overview of the residues generated throughout the coffee production c...
Residual chestnut biomass was evaluated in a cascading valorization route combining hot-water extraction, extractant reuse, reverse osmosis (RO), spray drying, and subsequent use of the extracted solid. Two heterogeneous residual Castanea sativa stre...
Today, waste is viewed as a renewable energy source and a potential supplier of new bioproducts. Microalgae are essential in wastewater treatment, and the anaerobic digestion (AD) of the harvested biomass leads to the production of biomethane. Howeve...
The presence of pharmaceutical compounds in aquatic systems represents a growing concern due to their persistence and potential adverse effects on ecosystems and human health. In this study, activated carbon obtained from Hordeum vulgare residues was...
Phycobiostimulants derived from macroalgae, microalgae, and cyanobacteria are increasingly used to improve crop performance. However, their effects vary across products, crops, and environments. In this review, we propose a biomass–process&ndas...
The cork industry generates valuable by-products and residues with significant potential within a circular bioeconomy framework. This study evaluated the energy-driven valorization of two post-consumer cork residues—natural cork stoppers (NCS)...
Sustainable management of agricultural residues remains a major challenge, particularly in regions where surplus paddy straw is disposed of through open-field burning because of limited decentralized utilization pathways. This study evaluated the con...
The transition from conventional agro-industrial production toward circular bioeconomy models requires the comprehensive valorization of process by-products as resources (“Waste-to-Wealth”). This study presents an exploratory physicochemi...
Sacred forests contribute to biodiversity conservation and forest carbon storage, yet quantitative information on their carbon and nutrient characteristics remains limited. This study quantified standing aboveground biomass (AGB) and aboveground carb...
The development of scalable and economically viable biobutanol production remains challenging because conventional acetone–butanol–ethanol (ABE) fermentation depends on strict anaerobic conditions for Clostridium strains. Traditional anae...
A significant amount of Kraft lignin (KL) is produced each year, but only a small portion is repurposed to create higher-value products. KL was purified (PKL, ≈2300 g/mol, 4.1 mmol/g total OH) and used as a polyol in the synthesis of polyuretha...
Agroindustrial residues represent heterogeneous biomass resources whose anaerobic conversion can be strongly influenced by pretreatment. This study evaluated seven residues: banana peel, potato peel, pineapple peel, coconut fiber, maize cob, coffee p...
The depletion of fossil fuels and the need to valorize agricultural residues motivate biomass-to-electricity pathways coupling gasification with an efficient, low-emission prime mover. This study evaluates four residues—olive pomace (Fuel A), o...
Araucaria angustifolia residues arise from a seasonal and geographically dispersed value chain. Brazilian pinhão production increased from 8393 t in 2015 to 13,493 t in 2024, corresponding to a theoretical 2699–2969 t of seed coats based...
Palm oil mill effluent (POME), the primary liquid residue from crude palm oil (CPO) extraction, has shifted from industrial wastewater to a valuable feedstock for renewable energy and resource recovery. This review synthesizes recent developments in...
The increasing global demand for sustainable energy has intensified interest in bioethanol as a renewable alternative to fossil fuels. While first- and second-generation bioethanol technologies have advanced considerably, challenges related to produc...
Pyrolysis presents a promising approach to harness the bioenergy potential of biomass and promote waste valorisation within a circular economy framework. This study offers a detailed analysis of the thermal characteristics, reaction kinetics, and the...
Elevated indoor carbon dioxide (CO2) represents an underutilized biogenic carbon feedstock. Coupling indoor atmospheric remediation with biological sequestration requires overcoming mass-transfer limitations and culture collapse under high carbon loa...
The increased interest in environmental sustainability, driven by the transition to renewable energies, has spotlighted woodchip as an effective alternative to fossil fuel. Despite being readily available, its natural origin results in inherent heter...
Biomass and biowaste are heterogeneous renewable carbon resources whose moisture content, structural recalcitrance, ash, contaminants, and supply conditions constrain conversion pathways. This framework-oriented, semi-systematic narrative review sear...
Several global challenges are converging: rising organic solid waste generation, growing food demand, and increasingly unfavorable conditions for food production, including more frequent and severe droughts, water scarcity, and limited agricultural l...
Chicken manure represents a major agricultural waste stream with significant environmental risks if left unmanaged, yet its hydrothermally treated hydrochar (HCCM) holds promise as a renewable solid fuel. This study investigates the pyrolysis behavio...
Biomass, particularly agricultural waste, has emerged as a highly attractive alternative fuel source for domestic and industrial applications. This study investigates the suitability and potential of plantain peel biomass (PPB) as a viable feedstock...
Agricultural residues represent an abundant lignocellulosic resource for the production of renewable fuels and value-added products through thermochemical conversion. In this study, the influence of bran and peat as organic and mineral-rich binder co...
Dark fermentation of organic waste offers a means of coupling molecular hydrogen (H2) production with the bioconversion of wet organic feedstocks. However, its practical performance remains limited by unstable carbon and electron-flow distribution, s...
Hydrochars (HCs) were produced from pine needles (urban waste), brewer’s spent grain, and grape pomace via hydrothermal carbonization (HTC) at 230 °C, and were comparatively assessed as unmodified, low-dose amendments (1 wt%) in an alkaline...
The growing deterioration of water resources and the energy requirements of conventional wastewater treatment technologies have increased interest in systems that combine organic matter removal with bioelectrochemical conversion. This study evaluated...
Fungal cellulases are key biocatalysts for lignocellulosic biomass valorization and the development of sustainable biorefineries. This review examines recent advances in the production of endoglucanase (EGL), exoglucanase (EXG), and β-glucosidas...
Tropical fruit processing generates substantial quantities of seed-derived by-products that remain underutilized despite their potential as sources of bioactive compounds, proteins, lipids, dietary fiber, and polysaccharides. This critical narrative...
Approximately 2.3 billion people still cook over open fires or on basic stoves using polluting fuels, generating indoor air pollution responsible for 3.7 million premature deaths annually. Progress toward real-world health impact has been constrained...
The sustainability of biomass utilization as a fuel is commonly assessed through thermodynamic and ecological methods—energy, exergy, and emergy analyses—applied in isolation, each with only partial scope. Their integration through multic...
Biomass-based bioenergy plants are commonly compared using aggregate indices that locate a system on a utilization scale but conceal the dimensional structure of its remaining deficit. This study extends the Biopolygeneration Diagnostic Index (BDI) b...
One of the main causes of deforestation in Sub-Saharan Africa is the massive use of wood as a fuel for cooking. To address this problem, a pellet gasifier was designed and built. To eliminate wood consumption, the pellets used are produced from agric...
Hydrothermal liquefaction (HTL) of lignocellulosic biomass produces multiple product fractions, including solid residue (SR), heavy bio-oil (HBO), aqueous phase (AP), and light bio-oil (LBO). This study mainly applied principal component analysis (PC...
