The features of the formation of the porous structure of a Zr(OH)n(CO3)m–ZnO composite adsorbent, as well as its thermal and sorption properties with respect to CO2, have been studied in relation to life-support systems for closed environments....
10 November 2026
The global surge in plastic pollution, particularly from microplastics (MPs), has raised concerns about long-term implications for terrestrial and aquatic ecosystems. In response, biodegradable plastics are widely considered promising replacements fo...
This exploratory study investigated hot-pressed composites prepared from source-sorted, nominally HDPE-designated post-consumer plastic and screened Eucalyptus wood-processing particles at 0, 10, 20, and 30 wt.% wood content. Polymer identity was ass...
Feedstock variability is a major source of uncertainty in the thermochemical valorization of agricultural biomass, yet it is rarely assessed through large sample sets covering multiple harvest years and cultivation conditions. In this study, the pyro...
Valorizing agricultural residues in polymer composites is often presented as a way to tackle two problems at once: fossil plastics and unused crop residues. This review tests that claim against the evidence. It follows up a 2020 review by the first a...
This study evaluates how solvent substitution, heat integration, and water integration change potential supply-chain social exposure in an avocado oil biorefinery. An attributional social life cycle assessment applies the Social Impacts Weighting Met...
Biomass conversion can support the circular economy when energy production is linked to the recovery of value from organic waste and residual biomass. This exploratory review examines how recent research has approached this relationship, with particu...
Cement production is associated with substantial environmental impacts and remains a major challenge for industrial decarbonization. This study applied a cradle-to-gate life cycle assessment (LCA) to compare three natural-gas-based Portland cement pr...
Rising fossil-fuel dependence and its associated environmental burden have intensified interest in third-generation algal biodiesel feedstocks. This study screened six locally sourced algal strains (Chlamydomonas hedleyi, Nostoc commune, Tetradesmus ...
The presence of ciprofloxacin (CPX)—a commonly used antibacterial drug belonging to the quinolones—has been identified as one of the major emerging pollutants within our environment, it can persist in the ecosystems and contribute to the...
Accurate photovoltaic (PV) operating-point prediction supports energy-yield assessment, supervisory control, and digital-twin applications, but optimization benefits can be overstated when smooth model-generated data are used. This study benchmarks s...
Remote islands face interconnected challenges of high dependence on diesel, expensive electricity, and limited freshwater availability. This study develops an integrated renewable energy–seawater reverse osmosis (SWRO) system for the Cocos (Kee...
In this work, sustainable hydrogen production from green methanol via oxidative reforming was investigated over agglomerated Co-Cr/SBA-15 catalysts. A mixed factorial design of experiments was applied to the effects of temperature, weight hourly spac...
Municipal solid waste (MSW) pyrolysis is a promising route for recovering energy from non-recyclable fractions while reducing landfill volumes, yet most previous studies address waste characterization, kinetics, process simulation, and economic feasi...
MnO2 nanoparticles were eco-friendly synthesized using Lawsonia inermis extract as a capping and stabilizing agent and then immobilized on the surface of 13X molecular sieve zeolite (MnO2@Z). The green-supported catalyst was tested for the selective...
Wellbore integrity is central to geological CO2 storage because wells can intersect formations intended to contain injected CO2 and displaced brine. This critical narrative review examines how defects at casing–cement and cement–formation...
Rice husk, a globally abundant rice-milling by-product, is frequently burnt or landfilled and underexploited for valorization into low-cost adsorbents. Converting such agricultural residues into carbonaceous materials supports a circular economy and...
Solar drying is a foundational dehydration technique that has evolved significantly from its empirical origins to become a sophisticated engineering discipline. This study presents a comprehensive bibliometric mapping of 50 years of solar drying rese...
The growing use of heat pumps in the energy transition increases the importance of selecting refrigerants that simultaneously meet the requirements of energy efficiency, safety and environmental sustainability. The aim of the paper is to analyse the...
Photovoltaic (PV) plants participating in reliability mechanisms require design methods that assess both energy production and performance under critical resource conditions. This paper presents a computational methodology for physical modeling and o...
The efficacy of an engineered treatment wetland system was explored for the treatment of real acid mine drainage. Precisely, the treatment chain was a hybrid approach made up of two distinct stages comprising neutralization with magnesite (stage 1) a...
This study evaluates how future heatwave exposure affects photovoltaic (PV) thermal stress, degradation, service life, lifetime generation, and life-cycle global warming potential (GWP) in Stuttgart, Germany. A fixed-reference 1 kWp crystalline-silic...
Sand-based thermal energy storage (TES) has attracted increasing attention as a potential solution for storing renewable electricity and supplying heat over extended periods. This review examines operating principles, storage configurations, material...
Industrial waste valorization in asphalt mixtures can reduce natural resource use and climate impacts, although benefits depend on the substituted material, conditioning needs, and avoided waste management route. This study evaluates the cradle-to-ga...
Livestock wastewater represents both an environmental challenge and a potential nutrient source for microalgal bioprocesses. This study developed a sequential upstream–downstream strategy integrating wastewater-based cultivation of Chlorella vulgaris...
Upgrading biogas to biomethane quality requires efficient removal of carbon dioxide (CO2) while minimizing energy consumption and equipment size. Conventional packed columns are limited by their large height, high solvent circulation rates, and signi...
This study presents a comprehensive parametric optimization of the blade geometry for the so-called Vertical Axis Autorotation Current Turbine (VAACT) using Computational Fluid Dynamics (CFD) simulations at high-blockage conditions. The optimization...
Air pollution, water contamination, soil degradation, solid waste accumulation, and carbon emissions are increasingly interconnected, posing common challenges to environmental engineering, including diverse monitoring targets, heterogeneous data sour...
The quantity of the solid fraction of digestate (SFD) from anaerobic digestion is expected to reach 177 million tons of dry material in the EU by 2050, and therefore requires sustainable management aligned with circular economy principles. Thermochem...
This study developed and optimized a sustainable polyvinyl alcohol (PVA)/carnauba wax (CW) film formulation with improved water resistance using a D-optimal mixture–process design. PVA, CW, glycerol (GLY), stearic acid (SA), and polysorbate-20 were e...
Rare earth elements (REEs) are central to the performance of a wide spectrum of clean-energy and advanced technologies, making them linchpins of the global energy transition [...]
The growing pressure on water resources and the demand for sustainable wastewater treatment have driven interest in low-cost, renewable coagulants for industrial effluent remediation. In this context, chestnut shells (Castanea sativa) were explored a...
The Chilean government has proposed an ambitious plan to reduce emissions by 2050 and become a net-zero-emission country, including producing clean energy via green hydrogen generated from renewable sources. One goal is to achieve a cost of 1.5 USD/k...
Spent coffee grounds (SCGs) are a waste product generated in large volumes worldwide, given that coffee is the second most consumed beverage on the planet. Although it typically ends up in landfills, this biomass contains a high amount of nutrients,...
The global environmental crisis has reached a critical point, demanding immediate action to address the pollution threatening ecosystem health. Terms such as “low-carbon agriculture,” “bioeconomy,” and “ecosystem service...
Coal-fired power generation remains a major source of carbon dioxide (CO2) emissions, and metal–organic framework-74 (MOF-74) materials offer high adsorption capacity but rely on costly 2,5-dihydroxyterephthalic acid linkers that limit scalabil...
Machine learning is widely proposed as a basis for smart wastewater treatment plant (WWTP) management, yet reported performance is rarely benchmarked against trivial alternatives. This study uses six years of monitoring from a municipal WWTP in Serbi...
Chemical green growth removers designed to control algae, which are classified as biocidal products, are used in open-air environments and, in some cases, over large areas such as roofs, façades, fences, or pavements, and can have adverse environment...
Simulation studies of surplus electricity in sugarcane cogeneration almost universally assume stable nominal operation, and the sector literature qualitatively acknowledges that many surplus projects underperform; however, this discrepancy has not be...
Red mud (RM) poses a critical environmental problem because its high alkalinity restricts direct utilisation and landfilling remains the dominant disposal method. In this study, composites with a high RM concentration (40 wt.%) in an epoxy resin matr...
The production of carbonaceous materials from agro-food byproducts, i.e., olive stone and molasses alone or in combination with aluminosilicate minerals, i.e., zeolite, was investigated. Two different dyes, i.e., methylene blue (MB) and C-phycocyanin...
Greywater reuse has emerged as a promising strategy to reduce pressure on freshwater resources, but little is known about the impact that emerging contaminants may have on its safe application. This study evaluated the performance of hollow fiber mem...
Water scarcity, rising energy costs, and limited technology adoption challenge Mediterranean greenhouse horticulture. Although irrigation automation and digital decision-support tools have been widely studied, adoption barriers and integrated water&n...
The European Union Regulation (EU) 2015/2283 on novel foods has created new opportunities for the valorization of marine by-products within the framework of the circular bioeconomy and sustainable blue economy. Refined shrimp peptide concentrate (RSP...
In heterogeneous fibrous networks, the void fraction measured by displacement porosimetry does not coincide with the fraction accessible to through-plane flow, and classical capillary-based permeability models, which take a single nominal porosity as...
New approaches to the band gap engineering of ZnO:Fe/SnO2 nanocomposites are developed in this study. The main idea is to control the band structure of the material by varying the modifier (iron) content during the preparation of the film-forming sol...
This study develops a technical–economic model to support planning for second-life reuse and end-of-life management of residential PV modules in Brazil. The model integrates module degradation, residential electricity-demand dynamics, and consu...
Polyethylene terephthalate (PET) and polystyrene (PS) nanoplastics are major aquatic contaminants due to their high persistence, mobility, and potential ecological impacts. In this study, PET–NPs and PS–NPs were prepared by nanoprecipitat...
This study explores the relationship between Artificial Intelligence (AI) and net-zero carbon buildings (NZCBs) and net-zero energy buildings (NZEBs) over the last decade. A thematic evolution has been observed in this research area, shifting from co...
Nitrogen (N) and phosphorus (P) influx into receiving water bodies leads to cultural eutrophication and, therefore, poses a major environmental challenge. Consequently, increasingly stringent discharge limits have been established, necessitating adva...
