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Clean Technologies
Scopus
ISSN 2571-8797 · MDPI AG · 566 artikel di indeks
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Artikel Jurnal Teks lengkap
Natural Deep Eutectic Solvent-Assisted Hydrothermal Carbonization of Corn Stover for Producing Lignin-Rich Solid Fuel and Sugar-Rich Intermediates
The sustainable conversion of agricultural waste biomass, particularly crop residues such as corn stover, into high-value products is vital for reducing their open-field burning and mitigating environmental hazards. The hydrothermal carbonization (HTC) process integrated with natural deep eutectic…
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Arabinoxylans from the Distillers Grains and Solubles Co-Products of Ethanol Production: Extraction, Characterisation and Hydrolysis to Oligosaccharides
Arabinoxylans (AX) and their oligosaccharides (AXOS) have potential as functional ingredients. The emergence of biorefineries, leading to more Distillers Dried Grains with Solubles (DDGS) entering the animal feed market, encourages commercial production of AX products. Extracting AX from the two…
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Adsorption of Strategic Gases on Oxygen-Functionalized CMK-8 and CMK-9 Mesoporous Carbons: Experimental and Computational Studies
The efficient storage of strategic gases—CH4, CO2, and H2—remains a critical challenge due to the need for high pressures or cryogenic temperatures to achieve sufficient storage densities, often resulting in energy- and cost-intensive processes. Adsorption-based storage using porous materials…
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Modified Zeolites as Alternative Adsorbents for PFAS Removal: A Comparative Study with Granular Activated Carbon
Per- and polyfluoroalkyl substances (PFASs) are persistent and mobile contaminants of global concern, and, while granular activated carbon (GAC) is widely used for their removal, it is limited by the high regeneration and disposal costs. This study investigates surface-modified clinoptilolite…
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Evaluating Halloysite-Rich Kaolin/Biopolymer Composites for Enhanced Carbon Capture—A Study of Isotherms and Mechanisms
Anthropogenic CO2 emissions have accelerated climate change, prompting the need for effective capture technologies. Adsorption using clay-based sorbents offers an eco-friendly alternative, although performance often requires enhancement. This study explored mechanochemical modification of two…
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Valorization of Waste Hemp Hurd as Reinforcement in Extruded Thermoset Composites
Biobased composites from fast growing hemp have drawn significant attention because they are inexpensive, biodegradable, sustainable, promote the circular economy, and have good mechanical properties. This proof-of concept study focused on utilizing low value hemp hurd (H), a byproduct of hemp…
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Integrated Treatment and Valorization of Meat Processing Wastewater via Microalgae-Based Biomass Production
Meat-processing wastewater (MPWW) is rich in nutrients and organic matter. This study assessed its potential as feedstock for microalgal biomass production while enabling wastewater treatment. In batch assays, the microalgae-based consortium grew in raw MPWW, and its synergy with the native…
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Scale-Up and Application of a Green Detergent Under Industrial Conditions to Remove Petroleum Derivatives: Comparison with Commercial Degreasers
The widespread use of petroleum derivatives in industrial settings poses a challenge due to their toxicity and the difficulty of removing them from tanks, pipes, and equipment. Conventional degreasers are generally expensive, toxic, and harmful to workers’ health and the environment. In this study…
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Food Waste to Biogas: Continuous Operation of a Low-Cost Laboratory-Scale Anaerobic Digestion System Under Real-World Operating Constraints
This study evaluated low-cost food waste anaerobic digestion (FWAD) designed for African urban informal settlements, where electricity and process control are limited. Eight small-scale reactors were operated under varying mixing, pH control, and temperature conditions to assess the feasibility of…
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Efficiency of Advanced Oxidation Processes for Treating Wastewater from Lithium-Ion Battery Recycling
A treatment process was developed for effluents from direct physical lithium-ion battery (LIB) recycling with a focus on the removal of organic contaminants. The high chemical oxygen demand to biological oxygen demand ratio (COD/BOD5) of 3.9–4.6 indicates that biological treatment is not feasible…
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Multivariate Techno-Economic Feasibility of Refuse-Derived Fuel Production in Ghana Using Response Surface Methodology: Insights from a Pilot-Scale System
Municipal solid waste challenges (MSW) and concerns about fossil fuel dependence motivate efforts to recover energy from waste, including refuse-derived fuel (RDF). Techno-economic assessment (TEA) evaluates the feasibility of systems by quantifying investment performance. However, most RDF-TEA…
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Hybrid-Energy-Powered Electrochemical Ocean Alkalinity Enhancement Model: Plant Operation, Cost, and Profitability
Electrochemical ocean alkalinity enhancement is a form of marine carbon dioxide removal, a rapidly growing industry that is powered by efficient onshore or offshore energy sources. As more and larger deployments are being planned, it is important to consider how variable energy sources like tidal…
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Rate-Based Modeling and Sensitivity Analysis of Potassium Carbonate Systems for Carbon Dioxide Capture from Industrial Flue Gases
The increasing atmospheric concentration of carbon dioxide (CO2) poses a critical threat to global climate stability, highlighting the need for efficient carbon capture technologies. While amine-based solvents such as monoethanolamine (MEA) are widely used for industrial CO2 capture, they are…
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Enabling Circular Copper Flows in Electric Motor Lifecycle
Copper is a strategic raw material and an important component in electric motors, widely used across industries because of its excellent conductivity and recyclability. It plays an important role in the transformation from fossil fuel-based systems to green, electrified systems. However…
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Correction: Bošnjaković et al. Analysis of Biodiesel from Algae Using the SWOT-AHP Method: Strategic Insights for a Green Energy Future. Clean Technol. 2025, 7, 69
In the original publication [...]
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Textile Wastewater Treatment by Membrane and Electrooxidation Processes: A Critical Review
The textile industry is one of the largest consumers of water worldwide and generates highly complex and pollutant-rich textile wastewater (TWW). Due to its high load of recalcitrant organic compounds, dyes, salts, and heavy metals, TWW represents a major environmental concern and a challenge for…
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Experimental Investigations of the Possibilities for Decreasing Internal Combustion Engine Pollution Through Pre-Combustion Treatment Technologies by Fumigation
Currently, the general focus of engine-produced pollution reduction lies in exhaust gas aftertreatment methods. This paper attempts a paradigm shift in the field by applying the pre-combustion treatment technologies by fumigation method, which consists of introducing an aqueous solution into the…
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Eco-Friendly Antifouling Coatings Based on Macroalgal Extracts from Ulva ohnoi and Asparagopsis taxiformis
The increasing environmental impact of synthetic antifouling paints has stimulated the search for natural, eco-friendly alternatives. In this study, alcoholic and aqueous extracts of the macroalgae Ulva ohnoi and Asparagopsis taxiformis were evaluated for their antifouling potential on aluminum…
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Experimental Test and Modeling Validation for CO2 Capture with Amine Solvents in a Pilot Plant
The European Union’s enhanced greenhouse gas (GHG) reduction targets for 2030 make the large-scale deployment of carbon capture and storage (CCS) technologies essential to achieve deep decarbonization goals. Within this context, this study aims to advance CCS research by developing and testing a…
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Valorizing Food Waste into Functional Bio-Composite Façade Cladding: A Circular Approach to Sustainable Construction Materials
Façades account for approximately 15–20% of a building’s embodied carbon, making them a key target for material decarbonization. While bio-composites are increasingly explored for façade insulation, cladding systems remain dominated by carbon-intensive materials such as aluminum and…