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110 articles for “circular economy”
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Sustainable Membrane Technologies for Environmental and Industrial Applications: A Review
Abstract: Membrane-based technologies have become indispensable in addressing global environmental and industrial challenges, including water scarcity, pollution control, and energy efficiency. While conventional membranes provide high selectivity and process efficiency, their sustainability is limited by factors such as fouling, high energy consumption, and end-of-life waste management. Recent advances in material science, nanotechnology, and bio-inspired design have led to the emergence of sustainable membranes with improved durability, lower environmental footprint, and broader …
Published in International Journal of Membranes · Vol. 2, Issue 2, 2025 · pp. 7–12 Read article
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Management of Nanoparticles E-Waste to Energy Conversion for Sustainability with Composite Substances
Abstract: Changing the nanoparticles in e-waste streams could give us greater control as middlemen and a big possibility to find better ways to save energy and protect the environment. Nanomaterials are being used more and more in the electronics industry, and they leave behind harmful waste that stays in the environment. Using nanoparticles to turn e-waste into electricity will fix these concerns and make toxicity a part of the circular economy. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1007–1015 Read article
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Sustainable Waste Management Using AI and Robotics
Abstract: The fast increment in squander era around the world has driven to noteworthy natural and open wellbeing concerns. Conventional squander administration strategies, which depend intensely on manual labor and obsolete forms, are battling to keep up with the developing volume, driving to wasteful aspects and environmental harm. AI and Mechanical autonomy give inventive arrangements by improving effectiveness in squander collection, sorting, reusing, and transfer. AI-driven squander sorting frameworks optimize exactness, …
Published in International Journal of Advanced Robotics and Automation Technology · Vol. 3, Issue 2, 2025 · pp. 42–48 Read article
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Innovative Polymer Nanocomposites: Bridging Sustainability and Advanced Material Performance
Abstract: This study examines the evolution of bio-based polymer nanocomposites using eco-friendly synthesis methods to improve mechanical, thermal, and barrier properties. It involves the combination of sustainable synthetic polymers with natural polymers in the presence of nanofillers in a green and compatible fashion to generate durable nanocomposites. Optimal alignment of nanofillers with the polymer matrices can be achieved using solvent casting, melt blending, and in-situ polymerization as fabrication methods. Consequently, the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1671–1679 Read article
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Symmetry Principles in Digital Twin Systems: Modeling, Integration, and Applications
Abstract: This systematic review comprehensively examines the burgeoning field of Digital Twin (DT) technology, analyzing its current state, diverse applications, and future trajectory. Through a rigorous methodology involving a systematic search of academic databases and relevant industry literature, this review synthesizes findings across a spectrum of disciplines. We identify the core components and underlying principles of DTs, distinguishing them from traditional simulation models by their dynamic, realtime data integration and bi-directional …
Published in Emerging Trends in Symmetry · Vol. 1, Issue 2, 2025 · pp. 06–24 Read article
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Sustainable High-Strength Geopolymer Composite Reinforced with Nano-Silica and Basalt Fibers: Mechanical and Microstructural Evaluation
Abstract: Sustainable soil composites (SSC) were formulated by incorporating red earth with varying proportions of bagasse ash (BA) and hydrated lime to enhance geotechnical performance and promote the reuse of agro-industrial waste. Red earth served as the primary structural matrix, BA functioned as a pozzolanic filler, and lime acted as a chemical stabilizer. BA content ranged from 0% to 60%, identifying 10% as the optimum level for significant improvement, and lime …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1113–1122 Read article
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Red Earth Development of a Soil-Based Composite Using Bagasse Ash and Lime: Effects on Plasticity and Compaction Characteristics of Red Earth
Abstract: The concept of sustainable soil composites (SSC) emerges through blending red earth with bagasse ash (BA) and hydrated lime to enhance geotechnical properties and enable productive reuse of agro-industrial waste. Red earth functions as the matrix, BA acts as a fine pozzolanic microfiller, and lime serves as the chemical binder. BA content ranges from 0% to 60%, with 10% identified as optimal; subsequent lime additions from 1% to 5% evaluate …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1147–1158 Read article
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Recent Progress in Chemical Technology Research and Its Industrial Utilizations
Abstract: Recent advancements in chemical technology have profoundly transformed the industrial environment by integrating novel materials, eco-friendly processes, and sophisticated analytical instruments. This article examines important new developments in chemical research in areas like catalysis, nanotechnology, process intensification, and green chemistry. The focus is on how these scientific advances may be used in industry, such as making production procedures cleaner, improving energy efficiency, and making materials that work better. The revolutionary …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 3, 2025 · pp. 56–66 Read article
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Eco-Design Approaches in Modern Machine Tool Construction
Abstract: In the contemporary landscape of manufacturing, sustainability is no longer optional; it is imperative. Within this context, machine tool construction presents a unique set of challenges and opportunities: these heavy, energy-intensive pieces of capital equipment operate across long lifecycles, consume substantial embodied energy and materials, and eventually require disposal or remanufacture. This study explores eco-design approaches tailored specifically to modern machine tools, covering the full lifecycle from material sourcing and …
Published in Trends in Machine design · Vol. 12, Issue 3, 2025 · pp. 23–29 Read article
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A Study on Tensile Characterization of Polypropylene Reinforced with Recycled Epoxy Particles
Abstract: Polypropylene is a thermo plastic, tensile properties of polypropylene are crucial in the real world applications as they determine structural integrity and durability. Epoxy is a thermosetting plastic finds applications in various fields like aerospace, automobile, food packing etc. A major concern is the disposal of epoxy composites after their service life, since most of the waste is sent to landfills, causing land pollution and soil infertility. In this experimental …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 221–237 Read article
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Sustainable Materials Management: Strategies for Reducing Waste and Enhancing Resource Efficiency in Construction
Abstract: The construction industry is a critical driver of economic development, but it also plays a significant role in environmental degradation due to its high demand for natural resources and its substantial contribution to global waste production. In response to these environmental challenges, Sustainable Materials Management (SMM) has emerged as a comprehensive framework aimed at promoting resource efficiency, reducing waste, and lowering the overall environmental impact of construction activities. This study …
Published in Journal of Construction Engineering, Technology & Management · Vol. 16, Issue 1, 2026 · pp. 11–23 Read article
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Sustainability and Mechanical Performance Evaluation of Cementitious Composites Reinforced with Waste Rubber Aggregates and Ground Granulated Blast Furnace Slag
Abstract: The development of environmentally responsible composite materials has gained global momentum with the shift toward circular and sustainable construction practices. In this work, the performance of cementitious composites that partially substitute natural fine and coarse aggregates with recycled rubber aggregates from end-of-life tires and Ground Granulated Blast Furnace Slag (GGBS) as an additional cementitious material is examined. A total of thirty composite mixes were formulated by varying GGBS (10–30%) and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1164–1180 Read article
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Waste, Pollution and Path to Sustainability
Abstract: In the 21st century, waste management has emerged as one of the most critical environmental challenges due to rapid industrial growth, changing consumption patterns, and increasing urbanisation. Improper handling and disposal of waste significantly contribute to air, water, and soil pollution, posing serious threats to human health and the well-being of mankind. The uncontrolled dumping of solid waste, open burning, and discharge of untreated industrial effluents release toxic substances and …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 1, 2026 · pp. 42–46 Read article
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A Comprehensive Review of Green Hybrid Polymer–Inorganic Composite Systems Incorporating Palm Tree Ash and Titanium Dioxide
Abstract: The increasing requests on sustainable and high performance systems have motivated extensive investigations on polymer-based hybrid systems with bio-derived and/or functional inorganic fillers. In this review, the importance of palm tree ash (PTA) and titanium dioxide (TiO₂) as synergistic fillers for polymer–inorganic hybrid composites, particularly about structure–property relations, interfacial adhesion and durability performance, is discussed. Agricultural waste-derived palm tree ash (PTA) plays as a silica-rich filler which not only aids …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1811–1820 Read article
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Biopolymer–Cement Hybrid Panels from Recycled Paper Mill Reject: Experimental Characterisation and Machine Learning Optimization
Abstract: The increased rate of the accumulation of industrial residues in the developing countries is a major cause of concern for the environment. The current study brings forth the use of industrial residues in the form of the production of eco-friendly building materials as a sustainable approach to their valorization. The valorization of recycled paper mill reject, a cellulose-based biopolymeric industrial residue, is being addressed in this study as a reinforcement …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 67–90 Read article
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Fabrication and Characterization of PLA-CSP Composites via FDM for Biodegradable Food Packaging
Abstract: In light of the growing need for environmentally friendly alternatives to conventional plastic packaging, this study presents the design of a food-grade, biocompatible packaging material composed of Polylactic Acid (PLA) and packed with coconut shell powder (CSP). One of the most well-known thermoplastic polymers, PLA is produced from renewable resources like sugarcane or maize starch. Its nontoxicity, biodegradability, and adherence to food safety standards and regulations provide energy. Unfortunately, PLA's …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1016–1025 Read article
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Synergistic Effect of Green Nanofillers on Basalt–Kenaf Reinforced Sustainable Polymer Composites
Abstract: This study examines the synergistic impact of green nanofillers on the mechanical and structural properties of basalt–kenaf fiber reinforced polyester composites, with the objective of developing sustainable, high-performance polymer materials. The composites were produced with different fiber ratios: B1 (70% basalt, 30% kenaf), B2 (60% basalt, 40% kenaf), and B3 (50% basalt, 50% kenaf), and were reinforced with 1 wt.% green-synthesized nano-TiO2, obtained using an eco-friendly sol–gel technique with plant …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1248–1262 Read article
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Sustainable Development of Carbon–Sisal Reinforced Polyester Composites through Green Nanotechnology
Abstract: This study presents the sustainable development of carbon–sisal fiber reinforced polyester composites enhanced through green nanotechnology for improved mechanical performance and environmental compatibility. The hybrid composites were fabricated using varying fiber ratios - C1 (70% carbon, 30% sisal), C2 (60% carbon, 40% sisal), and C3 (50% carbon, 50% sisal) - with an optimized addition of 1 wt.% nano-silica (SiO2) synthesized via a green sol–gel route. The tensile, flexural, and impact …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1179–1194 Read article
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Polymer Waste-Derived Activated Carbon from PET for High-Efficiency Supercapacitor Electrodes
Abstract: The exponential increase in plastic waste, particularly Polyethylene Terephthalate (PET)—a polymer characterized by its repeating aromatic terephthalate units and ester linkages—has escalated into a global environmental crisis. This study details a low-cost synthesis of porous carbon materials derived from waste PET via pyrolysis followed by chemical activation with calcium hydroxide (Ca(OH)2). During pyrolysis, the PET polymer chains undergo thermal degradation, where the aromatic rings in the backbone serve as precursors …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1419–1447 Read article
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Stone Waste as a Soil Stabilizer
Abstract: The rapid expansion of construction, mining, and stone-processing industries has led to the large-scale generation of stone waste materials such as marble powder, granite slurry, quarry fines, and sandstone residues. The indiscriminate disposal of these wastes poses serious environmental concerns, including land degradation, dust pollution, and contamination of surface and groundwater resources. At the same time, weak and problematic soils continue to present major challenges in geotechnical engineering applications, particularly …
Published in Journal of Geotechnical Engineering · Vol. 13, Issue 1, 2026 · pp. 71–77 Read article