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199 articles for “dosa”
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Sonophotocatalytic Degradation of Scarlet Red dye using Fe-Bi2O3 Catalyst and its Process Optimization by Response Surface Methodology
Abstract: The catalyst Fe-Bi2O3 was synthesized by ultrasound irradiation and used as a catalyst for the sonophotocatalytic degradation of scarlet red dye. The synthesized catalyst were characterized by SEM, XRD and DRS. SEM image reveals the formation of nanorod structure of the catalyst, XRD reveals the size of the catalysts were in nano range and DRS shows the blue shift in optical absorption for the Fe-Bi2O3 catalyst. The Fe-Bi2O3 was identified …
Published in Journal of Catalyst & Catalysis · Vol. 3, Issue 2, 2016 · pp. 14–32 Read article
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Comparative Adsorption Studies on Raw Rice Husk, Acid Leached Rice Husk and Base Leached Rice Husk by Using Methylene Blue as Dye
Abstract: Current methods for removing dyes from wastewaters are costly and cannot effectively be used to treat wide range of such wastewaters. This work describes the use of raw rice husk (RRH), acid-leached rice husk (ALRH) and base-leached rice husk (BLRH) as adsorbents for decolorization. Characterization of raw rice was done by powder X-ray diffraction (P-XRD) analysis, surface area analysis and scanning electron microscopy. Raw rice husk was collected directly from …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 1, 2015 · pp. 32–39 Read article
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Treatment of Synthetic Dye and Real Industrial Effluent Using Different Photo-catalysts
Abstract: Organic dyes are now one of the most common types of toxins released into the atmosphere, particularly from the textile sector. Organic dyes poisonous in nature and harmful to living organismsand ecosystems and Humans hence, therapy of these dangerous dyes before release into the environment is critical. Several ways have been used to solve this challenge, including physical, chemical, and biological methods. Photocatalysis is currently most of the advanced oxidationprocesses, …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 1, 2022 · pp. 40–43 Read article
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Mechanical Properties of Aerated Concrete
Abstract: Nowadays it is very important to make the concrete economical. Aerated concrete is ordinary concrete that contains controlled amounts of air in the form of microscopic bubbles and having low density as compare to conventional concrete. These intentionally entrained air bubbles are extremely small. By using Air Entraining Agent (AEA), cement, coarse aggregate, fine aggregate and water we create aerated concrete. The experiment is perform on aerated concrete which is …
Published in Journal of Construction Engineering, Technology & Management · Vol. 8, Issue 3, 2018 · pp. 20–29 Read article
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Colour Removal from Effluents Using Micromaterials
Abstract: In this study, the ability of Micromaterials to adsorb color from an aqueous solution was investigated by using flocculants and activated carbon prepared from Rice Bran, an agricultural by-product, and batch mode adsorption experiments were conducted. The influence of various factors such as initial concentration (20, 40, 60, 80 mg/L), contact time, pH (4.0-9.0), and dosage on the adsorption capacity was investigated and optimal experimental conditions were ascertained. Adsorption data …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 2, Issue 1-3, 2012 · pp. 1–8 Read article
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Characterization and Optimization of Neem Leaves and Moringa Seed Husk-based Composite Activated Carbon for Efficient Adsorption of Methylene Blue Dye
Abstract: The research in question was meticulously conducted within the premises of the Nigerian Liquefied Gas (NLG) Engineering laboratory, situated at the esteemed University of Maiduguri, Nigeria. This study focuses on the development and characterization of a composite material derived from neem leaves (NL) and Moringa seed husk (MSH) to adsorb methylene blue (MB) dye effluent. The synthesis process involved pyrolyzing MSH and NL at 400°C to produce MSH and NL …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 3, 2023 · pp. 12–22 Read article
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Synthesis and Characterization of Green Synthesized Iron Nano Particle (GInP) Using Eucalyptus globulus for Lead Removal
Abstract: The application of green synthesized iron nanoparticle for the removal of lead is researched in this study. The FT-IR and XRD results reveal that a nanoparticle with 80 nm size could be synthesized using Eucalyptus globulus leaf extract. The specific surface area of the nanoparticle was found to be 59 m2/g. The lead removal capability of the green synthesized iron nanoparticle (GInP) was investigated for lead concentration ranging from 50–250 …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 3, 2020 · pp. 20–25 Read article
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Examination of Physicochemical Parameters of Crude Oil Remediation in Soil Environment using Agro-Based Material
Abstract: In this investigation the following physicochemical parameters were monitored which include cation exchange capacity, sodium ion, carbon, magnesium, nitrogen, calcium, available phosphorus, pH, electrical conductivity, and temperature. The experimental result obtained reveals that the physicochemical parameters analyzed the reaction than the inhibiting the reaction process by inhibiting the active site of microorganisms present in each bioreactor. The research showcases, the mass and the volume of the materials used for the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 2, 2023 · pp. 22–30 Read article
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Utilization of Sugarcane Bagasse as Biopolymer Adsorbent for Arsenic (III) Removal from Aqueous Solutions
Abstract: The present study focuses on the removal of the heavy metal As(III) from aqueous solutions using the low cost adsorbent, sugarcane bagasse. The effect of contact time (10, 20, 30, 40, 50, 60, 70, 80, 90 min), adsorbent dosage (0, 0.25, 0.5, 0.75, 1 gm) and metal concentrations (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ppm) on the adsorption were studied and the optimum conditions were …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 30–44 Read article
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Bio Solvent EOR: Performance Assessment of Plant Extracts as Asphaltene Inhibitor
Abstract: Changes in pressure and temperature during oil production and transportation most notably during CO2 injection for enhanced recovery could lead to changes in the oil composition and deposition of asphaltene. Deposition of asphaltene near the wellbore region, production tubing and production facilities could cause severe flow assurance problem. Physical removal of asphaltene is costly and in most cases it is not preferred. A more favorable option is to prevent the …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 1, 2015 · pp. 9–24 Read article
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Evaluation of Mechanical Properties of Hybrid Fibers in Concrete
Abstract: Engineering Cementitious Composites (ECC) is an advanced growing method to increase the longevity of the structure in all behaviour aspects. ECC consist of cement, fine aggregate, fiber and water.High performance, ductility and durability of cementitious matrix can be achieved by addition of fiber. Nowadays, the member of fibers play a vital role to increase the overall structural behaviour of concrete matrix. In that, synthetic-based fibers are used in various applications. …
Published in Journal of Structural Engineering and Management · Vol. 2, Issue 1, 2015 · pp. 1–5 Read article
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A Parametric Study of Methylene Blue Adsorption Using Low-cost Adsorbent
Abstract: This research focused on the adsorptive capacity of activated carbonaceous substance made from the peel of Spanish cherries to remove methylene blue dye from wastewater. Through batch adsorption tests, the impact of several variables on the percentage of dye removal was examined. These variables included adsorbent preparation temperature, adsorbent dosages, initial concentration of dye solution, process time, pH of dye solution, and operation temperature. It was found that using 1 …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 3, 2023 · pp. 10–16 Read article
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Study of the Effect of Saline Solution on the Extraction of the Tamarind Seed Extracts Active Coagulant for Textile Wastewater Treatment
Abstract: The use of synthetic coagulants is not regarded as suitable due to health and economic considerations. A new coagulant obtained through polymerization of tamarind seed extract has been characterized in the removal of dangerous dye pollutants. The present study was aimed to investigate the effects of tamarind seed extract as coagulant in treatment of textile wastewater. The coagulant prepared was employed for the removal of sludge at the different doses. …
Published in Journal of Water Resource Engineering and Management · Vol. 1, Issue 3, 2014 · pp. 35–39 Read article
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Waste Plants as a Green inhibitor for Reinforced Concrete
Abstract: AbstractIn recent years, the use of inhibitors in producing high performance concrete has increased significantly as a result of chloride and sulfate attacks. The present inhibitors in market are toxic to the environment. Hence, the objective of the present investigation was to study a novel, eco-friendly and a hydrophobic green plant extracts’ inhibitor (rice husks) and study the effects of it on compression strength of reinforced concrete. The inhibitor above …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 53–58 Read article
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Durability and Non Destructive Test of Hybrid Fibre Reinforced Concrete
Abstract: AbstractAim: This paper presents the strength and performances of steel fibre reinforced concrete (SFRC) and hybrid fibre reinforced concrete (HFRC). The hybrid fibre is considered in the combination of hooked end steel fibres and polypropylenes fibres. Method: To study the durability properties, the fibre content dosage V f ranged from 0.5 to 2.0% of steel fibres, and 0.8SF0.3PP, 0.7SF0.3PP, 0.6SF0.4PP, 0.5SF0.5PP of hybrid fibres. 10 mixes including one control mix …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 31–45 Read article
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Comparative study on defluoridation by adsorption using rice husk ash, tamarind seed powder and activated
Abstract: In the present study, the ability and suitability of low cost adsorbents such as rice husk ash (RHA), tamarind seed powder (TSP) to adsorb fluoride ions was investigated in jar test apparatus and results were compared with that of commercially available activated charcoal powder (ACP). The major parameters such as pH, concentration of F- ions, stirring rate, contact time and different adsorbent dosages were studied and optimized. The maximum removal …
Published in Recent Trends in Civil Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 25–32 Read article
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Study of the Effect of Saline Solution on the Extraction of the Acacia Gum Active Coagulant for Textile Wastewater Treatment
Abstract: The use of synthetic coagulants is not regarded as suitable due to health and economic considerations. A new coagulant obtained through polymerization of acacia gum extract has been characterized in the removal of dangerous dye pollutants. The present study was aimed to investigate the effects of acacia gum as coagulant in treatment of textile wastewater. The coagulant prepared was employed for the removal of sludge at the different doses. The …
Published in Recent Trends in Civil Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 20–24 Read article
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Predicting flexural strength from alccofine and fly-ash as partial replacement of cement for high strength concrete
Abstract: Materials of different sourced has been applied by researchers to partially replace cement, this has been producing commendable results, the intension of these studies are to reduce waste generation from some of this materials and reduced cost, most of this material are sourced locally, this implies that it will be economical for construction engineers as this concept are achieving tremendous results, the study is to monitor flexural strength from Alccofine …
Published in Recent Trends in Civil Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 40–64 Read article
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Optimizing Pervious Concrete Mix Design for Sustainable Urban Pavements
Abstract: This research explores the comprehensive evaluation of pervious concrete, with a focus on sustainability and performance enhancement. It investigates various factors influencing pervious concrete properties, including cement content, aggregate sizes, water-cement ratio (w/c), and the incorporation of chemical admixtures. The study establishes that an optimal cement content range of 350 kg/m3 to 375 kg/m3 is most effective in achieving the desired balance between workability and essential properties. The research also …
Published in Trends in Transport Engineering and Applications · Vol. 10, Issue 2, 2023 · pp. 23–28 Read article
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A Review on Therapeutic Utilities and Purificatory Procedure of Gunja (Abrus precatorius Linn.) as Described in Ayurveda
Abstract: AbstractGunja (Abrus precatorius Linn.), belonging to the family Fabaceae, has been used by the Ayurvedic physicians, for management of different disease conditions. It comes under the upavisha (semi-poisonous) group in Ayurvedic pharmacopoeia. It is a slender, perennialclimber with long, pinnate leaves that twines around trees, shrubs and hedges. In this review, an endeavour has been made to explore the therapeutic utilities of Gunja, its formulations and its different methods of …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 2, Issue 1, 2013 · pp. 1–11 Read article