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208 articles for “HAZ”
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Chemical Engineering Aspects of Carrageenan Hydrogel–Silver Composite Systems: Synthesis, Structure, and Performance
Abstract: This review presents a green chemistry–driven strategy for the synthesis, design, and chemical engineering of carrageenan-based hydrogel matrices embedded with green-synthesized silver nanoparticles (AgNPs) for advanced biomedical and pharmaceutical applications. Silver nanoparticles were fabricated through an environmentally benign route employing natural biopolymeric reducing and stabilizing agents, eliminating the need for hazardous chemical reagents and minimizing ecological impact. The synthesized AgNPs were subsequently incorporated into κ-carrageenan hydrogel networks under controlled physicochemical …
Published in International Journal of Chemical Engineering and Processing · Vol. 12, Issue 1, 2026 · pp. 7–28 Read article
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Industrial Effluent Pollution and Sustainable Treatment Strategies: An Analytical Approach
Abstract: Industrialization has significantly propelled economic development across the globe, but it has also led to the generation of vast quantities of hazardous effluents that pose serious threats to the environment and public health. Industrial effluents, depending on their origin, often contain high levels of chemical oxygen demand (COD), biological oxygen demand (BOD), total dissolved solids (TDS), toxic heavy metals, dyes, solvents, pharmaceutical residues, and other harmful substances. This research paper …
Published in International Journal of Green Chemistry · Vol. 12, Issue 1, 2026 · pp. 20–25 Read article
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Analytical Evaluation of heavy metals in eyeshadows: A Risk assessment and Implications for Public Health Regulatory Reforms in Nigeria
Abstract: This study employs advanced analytical techniques to assess heavy metal contamination (Pb, Cd, Cr, Ni, Zn) in 18 commercially available eyeshadow products (local and imported) from Owerri Metropolis, Nigeria. Quantification was conducted using atomic absorption spectroscopy (AAS), while risk evaluations incorporated chemometric modeling approaches. Results revealed significant contamination in locally manufactured brands, particularly those containing calabash chalk (Nzu) as a base ingredient. Lead and nickel concentrations reached 166.58 ± 6.5 …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 1, 2026 Read article
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CASE STUDY ON WAI TO PRATAPGAD ROAD USING ALTERNATE ROUTE OF UNDERGROUND TUNNEL (WAI+JOR+PRATAPGAD)
Abstract: ABSTRACT: The project proposes constructing an underground tunnel from wai (jor) to pratapgad to address acute traffic congestion, regular road accidents, and long travel time on present mountainous roads. The present highway, with its steep curves and ascents, fails to support growing vehicular movement, resulting in traffic congestion and safety hazards, especially during peak tourist periods. The tunnel will provide a straight and unbroken journey, less reliant on the meandering …
Published in International Journal of Structural Engineering and Analysis · Vol. 11, Issue 2, 2025 · pp. 65–81 Read article
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EFFECTIVE USE OF ADSORPTION TECHNIQUE FOR REMOVAL OF HEAVY METALS FROM WATER A Review
Abstract: Abstract- Presence heavy metals are not acceptable in water so, this study presents removal of heavy metals from water with the use of different adsorbents, particularly agricultural waste materials. This is to develop effective and economical water treatment solutions. The hazardous effects of presence of heavy metal in water causes great risks to source of water and health issues to human. In regions like Bhandara and Ambazari Lake in Nagpur, …
Published in International Journal of Water Resources Engineering · Vol. 11, Issue 2, 2025 · pp. 7–13 Read article
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BEHAVIORAL STUDY OF REINFORCED CONCRETE BUILDINGS DURING MAINSHOCK–AFTERSHOCK EARTHQUAKES
Abstract: ABSTRACT - Earthquakes are among most destructive natural hazards, often causing widespread damage to buildings and vital infrastructure. The extent of this damage depends on various factors, one of which is the nature of fault movement. The point of initial rupture beneath the Earth’s surface is known as the hypocenter or focus. Seismic activity can be broadly divided into two categories: mainshocks and aftershocks. While the mainshock generally causes the …
Published in International Journal of Concrete Technology · Vol. 11, Issue 2, 2025 · pp. 6–14 Read article
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Intelligent Rocket and Missile Propellants: A Study
Abstract: The pursuit of enhanced performance, increased safety, and unparalleled mission adaptability in aerospace and defence systems necessitate a paradigm shift in propulsive technologies. Traditional rocket and missile propellants, while highly effective, possess intrinsic limitations related to fixed energy release profiles, inherent handling risks, and susceptibility to environmental factors. This paper introduces the concept of Intelligent Rocket and Missile Propellants: advanced chemical or energetic materials endowed with intrinsic sensing, self-monitoring, and …
Published in International Journal of Energetic Materials · Vol. 11, Issue 2, 2025 · pp. 1–8 Read article
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Sustainable Construction: Principles, Practices, and Impacts of Green Building
Abstract: Abstract Sustainable construction is an innovative approach aimed at reducing the negative environmental impact of buildings while enhancing energy efficiency and improving the quality of life for occupants. This approach integrates several fundamental principles, including energy conservation, water efficiency, environmentally friendly material selection, and improved indoor environmental quality (IEQ). The implementation of renewable energy technologies, high-performance insulation, and low-impact materials is central to green building design. Additionally, sustainable buildings are …
Published in International Journal of Construction Engineering and Planning · Vol. 11, Issue 1, 2025 · pp. 35–39 Read article
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Treatment of Leachate by Using Solid Waste
Abstract: Abstract Leachate, a hazardous liquid from landfill decomposition, is a significant environmental challenge worldwide. Traditional collection of solid waste: Gather the solid waste material you want to generate leachate from. This waste could include organic matter, plastics, paper, and other materials commonly found in municipal solid waste. Sorting and compressing: Depending on the initial state of the waste, you may need to shred or crush it to increase the surface …
Published in International Journal of Prevention and Control of Industrial Pollution · Vol. 11, Issue 1, 2025 · pp. 43–49 Read article
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Effect of Soil pH on the Germination and Growth of Triticum aestivum (Wheat) and Zea mays (Maize)
Abstract: Because of its effects on nutrient availability, microbial activity, and the solubility of hazardous elements, all of which can have a substantial impact on crop productivity, soil pH is a crucial factor determining plant growth and development. Understanding how different pH levels affect the vegetative growth of crops is crucial for optimizing agricultural practices. This study examines the impact of soil pH – acidic, neutral, and alkaline – on the …
Published in International Journal of Agrochemistry · Vol. 11, Issue 2, 2025 · pp. 1–8 Read article
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Design and Implementation of Autonomous Robots for Crack Detection in Dam Walls: Analyzing Vision-Based Algorithms and Structural Health Monitoring
Abstract: AbstractThe maintenance of dam walls is critical to ensure structural integrity, safety, and efficient water management. Cracks and other structural deficiencies can lead to severe consequences if left undetected. Traditional inspection methods are labor-intensive, time-consuming, and often hazardous, necessitating the development of autonomous systems for effective monitoring. This study focuses on the design and implementation of autonomous robots equipped for crack detection in dam walls, with an emphasis on vision-based …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 11, Issue 1, 2025 · pp. 14–26 Read article
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Fire-Fighting Robot Autonomous and Manual Control via Bluetooth
Abstract: Abstract— With the appearance of technology, humans square measure replaced with robots in dangerous things. we tend to aim to style automaton capable of sleuthing and suppressing fires. by creating and deploying a manual and automated firefighting robot that can use water to identify and put out fires. In this study, we demonstrate both a manually operated and an autonomous robot that can go approach a fire and use water …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 11, Issue 1, 2025 Read article
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Chemical and Geotechnical Evaluation of Steel Slag for Sustainable Construction Practices
Abstract: Steel slag, a byproduct of the steelmaking process, is generated at an estimated 160 kg per ton ofsteel production. This study explores the chemical and mineral compositions of steel slag,highlighting key compounds such as SiO2, CaO, Fe2O3, Al2O3, and MnO, along with mineralcomponents like C3S, C2S, C4AF, and free-CaO. The research emphasizes the extensive applications ofsteel slag in cement-based products, ceramics, road paving, and concrete admixtures. Specifically, itevaluates the incorporation …
Published in International Journal of Analytical and Applied Chemistry · Vol. 10, Issue 2, 2024 · pp. 28–37 Read article
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Trending Aspects of Green Synthesis of Silver Nanoparticles and Their Biomedical Applications: A Review
Abstract: For the past few decades, researchers have been fascinated by nanotechnology and nanoparticles due to their unique physico-chemical characteristics, such as increased surface area, reduced size, and improved reactivity, making them useful for various industrial, scientific, and medicinal applications. Silver nanoparticles are widely used, particularly in the biomedical sciences, since they are less toxic than other metal nanoparticles, meaning that they do not harm healthy human or host cells. They …
Published in International Journal of Green Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–27 Read article
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Geotechnical and Geological Engineering: Interdisciplinary Approaches to Sustainable Infrastructure
Abstract: AbstractGeotechnical and geological engineering are foundational disciplines that play a critical role in thedesign, construction, and sustainability of civil infrastructure, as well as in hazard mitigation andeffective resource management. This paper delves into the intersection of geotechnical and geologicalengineering, underscoring the essential role of comprehensive site investigations, the study of soil androck mechanics, foundation design principles, and slope stability analysis. The paper highlights theimportance of these elements in ensuring the …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 10, Issue 2, 2024 · pp. 1–9 Read article
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Advances in Copolymer Synthesis and Their Industrial Applications
Abstract: Copolymers, composed of two or more distinct monomers, have seen tremendous growth due to their adaptability in creating materials with enhanced properties for diverse applications. Recent advances in synthesis techniques, such as controlled radical polymerization (CRP), ring-opening polymerization (ROP), and living polymerization have enabled precise control over copolymer architectures, offering tailored properties, such as improved thermal stability, flexibility, and biodegradability. These advancements have had a transformative impact across various industrial …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 10, Issue 2, 2024 · pp. 51–56 Read article
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Industrial Biotechnology: Transforming Waste into Valuable Bio-Based Products
Abstract: Industrial biotechnology, often referred to as “white biotechnology,” is a rapidly advancing field that harnesses biological systems, microorganisms, and enzymes to transform waste materials into valuable bio-based products. This innovative approach has emerged as a crucial solution to the growing environmental concerns associated with traditional industrial processes, which are often energy-intensive and produce significant waste. Industrial biotechnology leverages renewable resources, including agricultural, industrial, and municipal waste, to create a wide …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 10, Issue 2, 2024 · pp. 46–50 Read article
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Water Pollution by Sugar Factory Molasses: Case Study Solapur District Area from India
Abstract: AbstractIn the area of Solapur District, Maharashtra state, India, there are many sugar factories. During themanufacturing process of cane sugar, there is a lot of wastewater released from the factory. Thiswastewater contains many hazardous chemicals. This wastewater, dropped in the fields is mixed withsoil & percolated inside rocks. Every year in summer the water level in this area gets very deep. Atthat time free air fills the soil joints. After …
Published in International Journal of Water Resources Engineering · Vol. 10, Issue 2, 2024 · pp. 40–45 Read article
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Comprehensive Systems Review for Accident Detection, Prevention, and Real-Time Alerting Mechanisms
Abstract: The growth of technology and infrastructure at a rapid pace has made our lives easier. The increased frequency of road accidents and possible traffic dangers brought about by newer technologies has resulted in a significant loss of life and property due to inadequate emergency facilities and preventive measures. The greatest hazard to human life is traffic accidents. High speeds combined with intoxication are the main causes of many accidents. Vehicle …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 10, Issue 2, 2024 · pp. 1–4 Read article
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A Simplified Review on Cloud Computing Security Vulnerabilities
Abstract: Cloud computing is the joint source of the computer system resources that are verily configured as well as the high-level services that can be delivered via the internet with minimal effort of the respective administrator. However, these advantages along with the security concerns are also quite prevalent. It is very important for the customers to know the risks and vulnerabilities in cloud services that might exist while considering counter measures …
Published in International Journal of Distributed Computing and Technology · Vol. 10, Issue 2, 2024 · pp. 26–34 Read article