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Graphene Quantum Dots from Agricultural Wastes: Green Synthesis and Advanced Applications for Energy Storage.
Molecules
November 2024
Department of Basic and Applied Sciences for Engineering (SBAI), Sapienza University of Rome, Via A. Scarpa 14, 00161 Rome, Italy.
Article Synopsis
- Carbon nanostructures, particularly graphene quantum dots (GQDs), show potential for various applications due to their performance and eco-friendliness from biowaste sources.
- The study focuses on the synthesis of GQDs from carbon aerogels created from rice husk using a one-pot, solventless ball milling method, resulting in crystalline nanostructures around 20 nm in diameter.
- GQDs were tested as electrode materials in supercapacitors and lithium-ion batteries, demonstrating their effectiveness in energy storage by both charge accumulation and lithium-ion intercalation.
Policy impact on economic and environmental sustainability of anaerobic digestion: Industrial case study Insights.
Bioresour Technol
February 2025
Department of Civil and Environmental Engineering, Cornell University. 263 Hollister Hall, Ithaca, NY 14853, USA.
This paper thoroughly examines how policy incentives impact the economic and environmental sustainability of anaerobic digestion (AD) systems. It uses techno-economic and life cycle analyses, along with real industry data, to explore the entire AD process-from feedstock acceptance to digestate disposal. It evaluates the effects of various U.
View Article and Find Full Text PDFEnergizing the future: Unleashing the potential of innovative waste-to-energy technologies for energy development and sustainability within Zimbabwe's tourism sector.
Waste Manag Res
October 2024
School of Economics and Business Management, University of Science and Technology Beijing, Beijing, China.
Article Synopsis
- - Zimbabwe's tourism industry is facing an energy crisis due to heavy reliance on fossil fuels and underuse of waste resources, prompting an exploration of various waste-to-energy technologies.
- - The study analyzes the relationship between multiple energy production methods (like biogas and biodiesel production) and energy sustainability using data from 519 tourism stakeholders, employing statistical methods to validate its findings.
- - Results show a strong positive correlation between waste-to-energy technologies and energy sustainability, indicating potential solutions for Zimbabwe's energy crisis in the tourism sector.
Graphene Oxide and its Composites: Advanced Membranes for Selective Water Permeation.
Chemphyschem
December 2024
Department of Environmental Engineering with Institute of Energy/Environment Convergence Technologies and of Future Convergence Engineering, Kongju National University, 1223-24, Cheonan-daero, Cheonan-si, 31080, Republic of Korea.
Graphene oxide (GO) membranes have gained significant attention as a promising material for separation by selective permeation processes due to their advantageous structural and chemical properties, including high water permeability, chemical resistance, and mechanical strength. In this study, we explore the potential applications of GO membranes in pervaporation to separate liquid mixtures. The layered structure and hydrophilic nature of GO membrane facilitate rapid and selective water transport through angstrom-scale interlayer spacings, resulting in superior performance over conventional polymeric and inorganic membranes.
View Article and Find Full Text PDFUtilization of Electrocoagulated Sewage as a Photoelectrocatalyst for Water Splitting.
ACS Mater Au
September 2024
School of Chemical Sciences, Indian Institute of Technology Mandi, Kamand 175005, India.
Electrocoagulation (EC) as a wastewater treatment process for the removal of pollutants has been demonstrated in numerous studies. However, proper management of solid waste generated after EC treatment is essential to minimize its environmental impact. Hence, more emphasis needs to be paid towards unused solid waste after EC treatment.
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