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574 articles for “E-waste”
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A STYDY ON MECHANICAL PROPERTIES UNDER THE INFLUENCE OF FELDSPAR ACTIVATOR ON GEOPOLYMERIZATION OF REDMUD AND GGBS
Abstract: It is well known fact that the Ordinary Portland Cement (OPC) is most important construction material. Keeping in view the hazardous effects of Portland cement on environment, efforts are being put to reduce use of cement in concrete with its partial or full replacement by various waste materials such as Red mud (RM), Ground Granulated Blas Furnace Slag (GGBFS or GGBS), Flyash, Silica fume etc.. Geopolymer Concrete (GPC) is a …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 5, Issue 1, 2019 · pp. 1–8 Read article
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Hydrodynamic Modeling for contaminant spills Case study: Nile River - Upper Egypt
Abstract: Most watercourses are subjected to the threats of contaminant spills. The Nile River is the main drinking and irrigation water source for all Egyptian cities around its banks, especially in Upper Egypt. The southern reach receives considerable amounts of agricultural, industrial and municipal wastes at different sites along its mainstream. The goal of this research is to simulate contaminant spill in the studied part of the Nile River to determine …
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 2, 2019 · pp. 1–16 Read article
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Enhancing Concrete Sustainability: A Critical Review of Recycled Aggregate Practices
Abstract: The surge in construction material demand, propelled by urbanization, necessitates sustainable wastemanagement strategies. Recycling demolished waste into concrete has gained prominence due toenvironmental concerns and resource depletion. This review consolidates insights gleaned fromvarious studies on the utilization of recycled coarse aggregates (RCA) in concrete. Investigationsreveal that water absorption in RCA depends on adhered mortar quality, impacting mechanicalproperties. Various alternative materials and their mechanical performance are explored, highlightingtheir superiority. Studies emphasize …
Published in International Journal of Construction Engineering and Planning · Vol. 10, Issue 1, 2024 · pp. 7–13 Read article
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Lean Six Sigma Concept in Health Care Setting: Towards Quality Improvement and Patient Satisfaction
Abstract: The health care industry is one of the growing industries all over the world. A health care setting is theone where the patient is treated physically, mentally, socially, and spiritually. The patient should getsatisfaction by quality treatment in the hospital. There are many quality improvement ideas to adoptbut the Six Sigma concept for quality improvement and patient satisfaction is one of the greatest ideasfor betterment. This concept will reduce the …
Published in International journal of Nursing Science Practice and Research · Vol. 7, Issue 1, 2021 · pp. 67–70 Read article
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Effect of the class of activating agent (inorganic vs. organic) on the structure of activated carbon materials from biomass †
Abstract: The impact of the class of the activating agent (inorganic Vs organic) on the structure and the crystallographic parameters of the activated carbon materials (ACMs) from biomass was studied. The stems of the waste land weed native of India, namely, Calotropis gigantea were used as a representative example for the biomass based sustainable raw material. Likewise, carbonate (K 2 CO 3 ) and oxalate (Na 2 C 2 O 4 …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 11, Issue 1, 2026 · pp. 27–35 Read article
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Current status on the preparation method and applications of iron oxide nanomaterials: A review
Abstract: Iron oxide nanoparticles are now gaining interests in the field of nanobiotech and pharmaceuticals for their important applications. The target oriented drug delivery of Fe3O4 has gained more attention for various advantages of it. Iron oxide magnetic nanoparticles focus on offering local drug delivery, reduced side effects and controlled drug release for prolonged period of time addressing problems of health tissue damage and drug waste. In this review, we discuss …
Published in International Journal of Analytical and Applied Chemistry · Vol. 4, Issue 2, 2018 · pp. 1–12 Read article
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Study of Corrosion Rate in Water Treatment Plant in Oil field
Abstract: The high cost of corrosion, the corrosion engineers concern and its reduction in oil, gas and petrochemical countries is essential about 10% of the cost of producing a barrel of crude oil cost. Corrosion rates in the world costs 42–80 cents a barrel for crude oil is produced, specific climatic conditions, history of the country's refineries and oil production are the main factors affecting the cost of corrosion in oil …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 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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Physico-chemical Analysis of Some Soil Sample around Jaypee Nagar Industrial Area in Postmonsoon Season Session 2012–2013 of Rewa, District MP (India)
Abstract: In the present study, various physico-chemical factors were assessed for the whole year during pre- and postmonsoon season session 2012–2013 to determine the impact cement dust on the soil quality around Jaypee Nagar industrial area. Physico-chemical parameters such as pH, electrical conductivity, organic carbon, phosphorus, potassium, CEC, calcium, magnesium, sulphate, are taken. Most of the samples are within permissible limit. The positive correlation was observed among most of the Physico-Chemical …
Published in International Journal of Analytical and Applied Chemistry · Vol. 2, Issue 2, 2016 · pp. 11–16 Read article
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Effect of Pretreatment of Wheat Bran for the Production of Glucoamylase by Aspergillus niger
Abstract: ABSTRACTWheat bran is a complex food waste which contain different nutritional compound in complex form. Microorganisms are not able to utilize these complex foods. The complex food of wheat bran can be simplified by pretreatment method. In this present study the wheat bran are treated with acid and alkali for hydrolysis of complex food in to simple food and then the production of glucoamylase were carried out by Aspergillus Niger. …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 5, Issue 2, 2019 · pp. 10–14 Read article
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A Study on the Future of Industrial WastewaterTreatment Plant: Trends and Innovations
Abstract: Industrial wastewater treatment plants (IWWTPs) stand at the critical intersection of economic productivity and environmental sustainability. Unlike municipal sources, industrial effluent is characterized by extreme heterogeneity, containing highly variable concentrations of toxic heavy metals, recalcitrant organic compounds, suspended solids, and emerging contaminants. This complexity necessitates bespoke, multistage treatment trains, often combining physical, chemical, and advanced biological methods (e.g., membrane bioreactors, electrochemical oxidation, and anaerobic digestion). This analysis examines the contemporary …
Published in International Journal of Chemical Engineering and Processing · Vol. 11, Issue 2, 2025 · pp. 1–13 Read article
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Sustainable Use of Greywater
Abstract: The shortage of fresh water is one of the major issues in different parts of India which require our attention for conservation of sustainable water. The natural resources of potable water are becoming insufficient to satisfy day to day demand. Peoples are searching solutions in different ways to get out of this terrible situation. The treatment and reuse of gray water is one of the promising step for preservation of …
Published in International Journal of Sustainable Building Technology · Vol. 4, Issue 1, 2021 · pp. 51–57 Read article
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Bioplastics: A Review
Abstract: Plastics made from renewable biomass sources and some have been produced by processing natural biopolymers. Biodegradable bioplastics can be used to reduce the problem of plastic waste materials, which is choking the planet and damaging the ecology. The advantage of bioplastics is that they are not dependent on fossil fuels as a source of raw material. With regard to oil production, fossil fuels are a finite and irregularly divided resource …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 9, Issue 1, 2023 · pp. 1–4 Read article
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GLOBAL WARMING AND ITS PREVENTION THROUGH BIOGAS
Abstract: The impact of global warming has drastically affected the ecosystem and also the life on earth. The main causes of global warming are the pollutant gases which are released into the atmosphere by different sources. The major one being the automobile industries followed by different wastes that are generated on a daily basis. So the gases released during the combustion or burning of wastes are responsible for global warming. The …
Published in International Journal of Environmental Chemistry · Vol. 3, Issue 2, 2017 · pp. 12–18 Read article
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Study on Hazardous Explosives
Abstract: The Mining sector uses explosives to extract ore and discover orebodies, according to the Canadian Explosives Research Laboratory. Oil and gas companies use them to construct pipelines, the forest business uses them to construct roads, and the construction industry uses them to construct infrastructure. Explosives are required by the aerospace sector to power the rockets that launch satellites into orbit. Among other things, explosives are necessary for the rocket fuel …
Published in International Journal of Energetic Materials · Vol. 7, Issue 2, 2021 · pp. 26–33 Read article
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DRIP IRRIGATION BY RECYCLING WASTEWATER
Abstract: Drip irrigation allows water to drip slowly to the roots of plants thus saving water, nutrients and minimizing evaporation. This study focusses on treatment of contaminated water by reducing biological oxygen demand (BOD), chemical oxygen demand (COD), eutrophication of water bodies and further using it for drip irrigation.
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 2, 2019 · pp. 17–27 Read article
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How an Efficient and Optimal Use of Space Can Help in the Reduction of Costs
Abstract: An inflation of construction cost has been observed in the past consecutive years. Up to 15% increase occurs per annum because of the increasing cost of labour and building materials such as cement, bricks, steel, timber etc. Revolutionizing the traditional concepts of construction various new techniques need to be introduced which provide better structural strength while keeping the dead weighs much lower in comparison to a traditional building using various …
Published in International Journal of Housing and Human Settlement Planning · Vol. 2, Issue 2, 2016 · pp. 22–33 Read article
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Recent advances in utilization of wide band gap metal oxides for photocatalysis of organic waste
Abstract: Water cleaning has become a major challenge in the current scenario with huge amounts of industrial wastes being accumulated in the water bodies over the years. Traditional chemical, physical and biological processes for treating wastewater containing textile dye have disadvantages such as high cost, high energy requirement and generates secondary pollution during treatment process. The progressive oxidation processes technology has been appealing growing attention for the decomposition of organic dyes. …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 1–9 Read article
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Synthesis and Characterization of Biodiesel from Animal Fat
Abstract: Biodiesel, an alternate and ecologically acceptable substitute for the conventional fuel, is usually produced from a wide range of edible vegetable oils, which are normally used for human consumption and whose prices are expected to increase in future. In this regard, reliable and low-cost raw materials have increasingly drawn interest for biodiesel production, such as by-products of the meat processing industries or waste animal fats. In present work biodiesel production …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 5, Issue 2, 2019 · pp. 45–54 Read article
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A Sensor Integrated Tool for Cutting Force Monitoring in Gantry Milling to Improve Flatness and Surface Finish: Review Study
Abstract: AbstractPrecision machining of sector plates plays a vital role in the efficient functioning of Air Pre-Heaters(APH), which are integral components of thermal power plants. These plates are subjected to harshthermal cycles and mechanical loads, making dimensional accuracy critical. For optimal heatexchange performance and mechanical reliability, it is essential to maintain tight manufacturingtolerances – flatness within ±400 microns and thickness up to 13 mm. Deviation from theseparameters can lead to air …
Published in International Journal of Manufacturing and Materials Processing · Vol. 11, Issue 1, 2025 · pp. 25–45 Read article