Circular Economy

Circular Economy

Solar Biomass Reforming and Hydrogen Production with Earth?Abundant Si?Based Photocatalysts
05/06/2023 - Efficient, stable, and non?toxic photocatalysts for biomass photo?reforming, which can simultaneously produce hydrogen and valuable chemicals under mild conditions, have garnered great attention. In...
Influence of Borassus flabellifer Endocarps Hydrolysate on Fungal Biomass and Fatty Acids Production by the Marine Fungus Aspergillus sp.
- Abstract Polyunsaturated Fatty Acids (PUFAs) are important nutrients for human health. We aimed to evaluate the efficiency of marine water fungus Aspergillus sp....
Enhanced Performance of CsPbIBr2 Perovskite Solar Cell by Modified Zinc Oxide Nanorods Array with [6,6]?Phenyl C61 Butyric Acid
02/06/2023 - [6,6]?Phenyl C61 butyric acid (PBCA) is introduced to modify ZnO nanorods (ZnO NRs) electron transport layer to reduce surface defects, ameliorate the morphology of perovskite film, enhance charge...
An improved numerical model to predict the operating temperature and efficiency of solar photovoltaic systems
05/06/2023 - Solar photovoltaic (PV) technology has a huge potential for producing renewable energy and reducing greenhouse gas emissions. An increase in the PV cell temperature in real operating conditions...
PCM-based hybrid thermal management system for photovoltaic modules: A comparative analysis
05/06/2023 - Proper temperature regulation of photovoltaic (PV) modules increases their performance. Among various cooling techniques, phase change materials (PCMs) represent an effective thermal management...
Environmental implication of energy policies and private and public subsidies on infant mortality rate: a sustainable development study of India
05/06/2023 - India has remarkably achieved some level of decline in infant mortality rate and increase in aged person through increase in life expectancy due to improvement on its health care sector but still...
A novel technique of schedule tracker for parabolic dish concentrator
05/06/2023 - Tracking is important in a system that harnesses solar energy. Single axis tracking mechanism is cheaper and simple to develop but because of the limitation of tracking axis, this system is less...
Aerospace, Vol. 10, Pages 534: Conceptual Design of Hybrid Aerial Vehicle for Venus Exploration
03/06/2023 - The conceptual design of a hybrid aerial vehicle for the exploration of the upper Venus atmosphere is presented. The vehicle will float like a balloon and harvest solar energy which is stored in...
Biochar Effects on Ce Leaching and Plant Uptake in Lepidium sativum L. Grown on a Ceria Nanoparticle Spiked Soil
05/06/2023 - The increasing use of nanoparticles is causing a threat to the environment and humans. The aim of this work was to evaluate the effects of the quenching procedure of biochar production on the biochar...
Skyline-Enhanced Deep Reinforcement Learning Approach for Energy-Efficient and QoS-Guaranteed Multi-Cloud Service Composition
04/06/2023 - Cloud computing has experienced rapid growth in recent years and has become a critical computing paradigm. Combining multiple cloud services to satisfy complex user requirements has become a research...
Sustainable Supercapacitors Based on Polypyrrole-Doped Activated Biochar from Wood Waste Electrodes
- The synthesis of high-performance carbon-based materials from biomass residues for electrodes has been considered a challenge to achieve in supercapacitor-based production. In this work, activated...
Zinc Oxide Nanoparticles—Solution-Based Synthesis and Characterizations
02/06/2023 - Zinc oxide (ZnO) nanoparticles have shown great potential because of their versatile and promising applications in different fields, including solar cells. Various methods of synthesizing ZnO...
Zirconium Component Modified Porous Nanowood for Efficient Removal of Phosphate from Aqueous Solutions
05/06/2023 - Rapid urban industrialization and agricultural production have led to the discharge of excessive phosphate into aquatic systems, resulting in a rise in water pollution. Therefore, there is an urgent...
Development of BioPolyurethane Coatings from Biomass-Derived Alkylphenol Polyols—A Green Alternative
02/06/2023 - Bio-based polyols were obtained from the thermochemical liquefaction of two biomass feedstocks, pinewood and Stipa tenacissima, with conversion rates varying between 71.9 and 79.3 wt.%, and...
Evaluating the Effect of Iron(III) in the Preparation of a Conductive Porous Composite Using a Biomass Waste-Based Starch Template
02/06/2023 - In this work, the effect of iron(III) in the preparation of a conductive porous composite using a biomass waste-based starch template was evaluated. Biopolymers are obtained from natural sources, for...
Thermoelectric Generator Design and Characterization for Industrial Pipe Waste Heat Recovery
03/06/2023 - Thermoelectric technology is an effective strategy to convert low–grade waste heat to electrical energy directly. Thermoelectric generators (TEGs) have been extensively studied in...
Production of Kojic Acid by Aspergillus niger M4 with Different Concentrations of Yeast Extract as a Nitrogen Source
05/06/2023 - In agro-industrial processes, microorganisms that are not pathogenic and that generate molecules are generally recognized as safe (GRAS). The Aspergillus niger fungus has different industrial...
Promising Application of Grape Pomace and Its Agri-Food Valorization: Source of Bioactive Molecules with Beneficial Effects
04/06/2023 - Grapes, particularly the species Vitis vinifera L., are one of the most widely grown crops in the world. Winemaking processes generate a high amount of residues, which currently pose an environmental...
Mechanical and thermal characteristics of steam?exploded silane grafted Kigelia Pinnata fruit (KPF) fiber reinforced vinyl ester polymer composites
01/06/2023 - Mechanical characterization of KPF?reinforced vinyl ester compositeThe cellulose?rich Kigelia pinnata aqueous fruit (KPF) fiber is a valuable natural biomass and has drawn attention as a renewable...
Innovation Research of Waste Biomass and Petroleum Coke for the Carbothermic Reduction Process of Silica
03/06/2023 - The study of the reactivity of petroleum coke (PC) carries significance for improving the carbothermal reduction of silica, considering the poor reaction properties of PC, particularly under...
Production and Characterization of Azadirachta indica-Mediated SiO2 Nanoparticles and an Evaluation of Their Antioxidant and Antimicrobial Activities
05/06/2023 - Azadirachta indica leaf extract was used in the current study to create silicon dioxide (SiO2) nanoparticles securely. The unique aspect of this research is to utilize the biomass of...