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Open AccessOptimization of Eucalyptus essential oil extraction by applying response surface methodology in traditional distillation and its adaption to solar thermal process
This work reports the utilization of solar thermal energy to generate Eucalyptus essential oil, reducing the dependence on conventional energy and minimizing the environmental impact. The study optimized oil e...
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Article
Open AccessMerging TROPOMI and eddy covariance observations to quantify 5-years of daily CH4 emissions over coal-mine dominated region
A simple and flexible mass balance approach was applied to observations of XCH4 from TROPOMI to estimate CH4 emissions over Shanxi Province, including the impacts of advective transport, pressure transport, and a...
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Article
Open AccessAdvances in solar pond technology and prospects of efficiency improvement methods
The rising global energy demand necessitates innovative solutions for harnessing renewable energy sources. Solar ponds have received attention as they present a viable means to address this challenge by absorb...
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Open AccessEstimation of useful-stage energy returns on investment for fossil fuels and implications for renewable energy systems
The net energy implications of the energy transition have so far been analysed at best at the final energy stage. Here we argue that expanding the analysis to the useful stage is crucial. We estimate fossil fu...
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Open AccessKinetic and isotherm studies of Acid Orange 7 dye absorption using sulphonated mandarin biochar treated with TETA
This study contributes to the current state of knowledge by highlighting the physical–chemical interactions between biochar and dyes. The removal of Acid Orange 7 (AO7) dye by a modified biochar obtained from...
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Open AccessCorrection to: Performance evaluation of microbial fuel cell fabricated using green nano-graphene oxide as coating anode material
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Article
Open AccessAdsorption of methylene blue (MB) dye on ozone, purified and sonicated sawdust biochars
The synthesized biochars derived from sawdust (SD) SD ozone (SDO) biochar, purified SD (PSD) biochar, and sonicated SD (SSD) biochar, which was employed in the confiscation of methylene blue (MB) dye ion, were...
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Article
Open AccessCopper(II) ion removal by chemically and physically modified sawdust biochar
The difference between physical activations (by sonications) and chemical activations (by ammonia) on sawdust biochar has been investigated in this study by comparing the removal of Cu(II) ions from an aqueous...
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Article
Open AccessEquilibrium, kinetic, and thermodynamic study of Direct Yellow 12 dye adsorption by biomass-derived porous graphitic activated carbon
Competent treatment techniques were explored to curb the environmental pollution of dye-laden wastewater. In the current study, eucalyptus biomass contemplated as agricultural waste is translated into eucalypt...
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Article
Open AccessHydrogen storage and geo-methanation in a depleted underground hydrocarbon reservoir
Coupling of power-to-gas processes with underground gas storage could effectively allow surplus electricity to be stored for later use. Depleted hydrocarbon reservoirs could be used as stores, but practical ex...
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Article
RETRACTED ARTICLE: Application of AI in image recognition technology for power line inspection
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Open AccessBiosorption of acid brown 14 dye to mandarin-CO-TETA derived from mandarin peels
Several agronomic waste-materials are presently being widely used as bio-adsorbents for the treatment of toxic wastes such as dyes and heavy metals from industrial activities, which has resulted in critical gl...
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Article
Correction to: The enterprising approach of the cyanobacteria and explore its biostimulatory response on Trigonella foenum-graecum (Fabales: Fabaceae)
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Correction to: Evaluation of Turnera subulata extract induced AgNPs for antimicrobial, antioxidant, cytotoxic, and anticancer properties against PANC-1
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Article
Open AccessTechno-economic analysis of methanol synthesis from syngas derived from steam reforming of crude glycerol
Due to the large amount of crude glycerol produced as a by-product by the biodiesel industry, alternative technologies for converting glycerol to value-added fuels such as syngas have been proposed. By employi...
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Open AccessPerformance evaluation of microbial fuel cell fabricated using green nano-graphene oxide as coating anode material
A dual-chamber microbial fuel cell (MFC) was fabricated and optimized for electricity generation. Titanium wire, graphite rod, and carbon cloth supported on stainless steel mesh were the best current collector...
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Article
Open AccessIntegration of a drying and pyrolysis system in a green biorefinery: biochar product quality and impacts on the overall energy balance and climate footprint
Green biorefineries can support the reduction of soybeans imports to Europe, by producing protein-rich animal feed from alternative feedstock such as perennial grass and legume species. Once the protein-rich g...
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Open AccessA Review on Providing Realistic Electric Grid Simulations for Academia and Industry
Engineering analysis and design for large-scale electric power grids require advanced modeling and simulation capabilities for a variety of studies, with two of the key study types being steady-state power flo...
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Article
Open AccessComparison of dense optical flow and PIV techniques for map** surface current flow in tidal stream energy sites
Marine renewable energy site and resource characterisation, in particular tidal stream energy, require detailed flow measurements which often rely on high-cost in situ instrumentation which is limited in spati...
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Article
Open AccessCircuit breakers in HVDC systems: state-of-the-art review and future trends
High voltage direct current (HVDC) systems are efficient solutions for the integration of large-scale renewable energy sources with the main power grids. The rapid development of the HVDC grid has resulted in ...
