Search
106 articles for “Particle size.”
-
Studies on Extraction, Modelling and Purification of Quercetin from Peel of Allium cepa
Abstract: ABSTRACT Quercetin is an anti-oxidant, which very efficiently scavenges highly reactive biological species such as peroxynitrite and hydroxyl radical. Quercetin belongs to the flavonoid’s family. The present studies on optimization of physico-chemical parameters like effects of different solvents, different solvent percentages, particle size, pH and extraction time for the extraction of quercetin was studied. The highest quercetin concentration for optimized conditions was 38 µg/ml. In the soxhlet extraction process, the …
Published in International Journal of Plant Biotechnology · Vol. 4, Issue 1, 2018 · pp. 3–11 Read article
-
Study on the Significance of Water Treatment Using Activated Carbon from Palm Bunch Fiber
Abstract: Activated carbon produced from palm bunch fibers was investigated for water treatment with the aim to improve water quality for industrial consumption and not for humans and animal consumption. Dominantly the activated carbon produced from palm bunch fiber was used for treatment of industrial effluent water and the application is environmental friendly. The high alkali concentration in the activated carbon improved the pH level of the treated water from 4.03 …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 6, Issue 1, 2020 · pp. 30–46 Read article
-
Studies on Extraction and Purification of Total Phenolic Content from Seeds of Carica papaya
Abstract: Carica papaya is belongs to Caricaceae family and it contains high content of phenolic compounds and medicinal properties. It shows various pharmacological activities like anti-oxidant, anti-cancer, anti-diabetic, anti-inflammatory, wound healing activities. Here in this research work, for the extraction of TPC from seeds of Carica papaya, the optimum results were observed for the effects of different solvents, solvent percentages, pH, extraction time and particle size for the extraction of TPC …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 6, Issue 2, 2020 · pp. 39–43 Read article
-
Mass Transport of Heavy Metals in Soil Columns Amended with Biochar Nanoparticles
Abstract: Biochar has potential as a valuable material for removing heavy metals from wastewater. The biochar obtained by pyrolysis of the Pomegranate Peel (PPBC) under an oxygen-limited atmosphere in a muffle furnace at 450°C. The biochar was also analyzed through SEM and FTIR for identification of particle size and functional groups. Therefore, the present work aims to study the effect of adding biochar to the soil columns (10 cm length and …
Published in International Journal of Agrochemistry · Vol. 6, Issue 1, 2020 · pp. 62–72 Read article
-
Activated Carbon from Rice Husk for Treating Dye Waste Water
Abstract: This study was undertaken to explore the possibility of utilizing rice husk (RH) for the production of activated carbon because of its abundant, renewable, and biodegradable raw resource, and properties such as its chemical stability, oil absorption, surface area, iodine value, and high reactivity, resulting from the presence of chemically reactive hydroxyl groups. RH is roasted at high % with low cost chemical as catalyst to reduce time, with temperature …
Published in International Journal of Green Chemistry · Vol. 1, Issue 2, 2015 · pp. 29–36 Read article
-
Extraction and Purification of Kaempferol from leaves of Azadirichta indica
Abstract: Azadirachta indica, commonly known as neem, It contains phytochemical compounds like phenolic compounds, flavonoids (Quercetin and kaempferol), tannins, gallic acid, nimbosterol, catechin, nimbine, etc. It shows many pharmacological activities like anti-oxidant, anti-cancer, anti-diabetic, anti-inflammatory activities etc. For the extraction of kaempferol from neem leaves, the optimum results were observed for the effects of different solvents, different solvent percentages, particle size, pH and extraction time for the extraction of kaempferol were …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 2, 2019 · pp. 26–30 Read article
-
Synthesis, Characterization and Optimization of Essential Oil from Pumpkin Seed
Abstract: The main aim of this research work was extraction, characterization and optimization of essential oil from pumpkin seed, cucurbita pepo variety using ethanol as a solvent. The extraction was carried out by using a Soxhlet, leaching method and oil was separated from solvents by using rotary evaporator. Pumpkin seed was analyzed for proximate analysis and found that moisture content of 5.21 , crude proteins content of 22.50.31%, crude fat content …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 1, 2021 · pp. 6–27 Read article
-
Influence of CeO2 nanoparticles on the corrosion behavior of electrodeposited Ni coatings
Abstract: Nickel-Ceria (Ni-CeO2) nanocomposite coatings were developed on mild steel (MS) substrate using electrodeposition method. The codeposition of the nanoparticles was achieved from the optimized Ni plating bath loaded with CeO2 nanoparticles (particle size <20 nm). Ni and Ni-CeO2 coatings were achieved at a wide current density (c.d.) range from 1.0 to 5.0 A/dm2 under optimal conditions, and their corrosion protection efficacy was examined in 5% NaCl medium. The material property …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 1, 2016 · pp. 19–28 Read article
-
Modeling the Diffusion Characteristics of Sawdust in Crude Oil Medium
Abstract: Over the years, oil spill pollution has become an important issue of concern due to its serious environmental impact; Therefore natural organic sorbent such as Abura sawdust was used for oil spill cleanup due to its availability, eco-friendliness and low cost, and was selected as the preferred sorbent and the effects of sorbent contact time and its particle size on oil adsorption capacity were evaluated for the systems of dry …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 44–57 Read article
-
Production and Characterization of Biomass Briquette from Sawdust and Cow Dung Admixture for Domestic Cooking Applications in Northern Ethiopia
Abstract: This study explored the possibility of producing and characterize biomass briquettes from sawdust and caw dung admixture that could be used as a sustainable fuel sources of energy supply for domestic cooking applications. In this study, Potato starch used as a binder. The physical and composition properties of the sawdust and cow dung as well as the developed biomass Briquettes were determined using Thermogravimetric analysis. A portion of sawdust and …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 5, Issue 2, 2019 · pp. 49–57 Read article
-
Effect of Compression Pressure on the Strength and Fuel Properties of Maize Cob Briquettes
Abstract: Biomass can be densified under a high compression pressure or a low compression pressure. The type of raw material, moisture level, particle size, and form typically all influence how much pressure should be used. This study utilized maize cobs and waste paper pulp to produce briquettes which are seen as alternative fuels. The goal was to determine how compression pressure affected the strength and fuel characteristics of the briquettes that …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 1, 2022 · pp. 16–24 Read article
-
Characterization and Kinetic Study of Sugarcane Bagasse for the Production of Bio-oil Over Monodispersed Fe2 O3 and ZSM-5 Composite
Abstract: The shortage and price scramble of fossil fuels accompanied by vast CO2 emissions have triggered a worldwide search for alternative and sustainable resources. Wind, solar, geothermal, biomass, and water are the most commonly used alternative energy sources. The biomass residues are typically at low cost and readily availabile, and has been used as feedstocks for synthesis of renewable energy. To produced the bio-fuels from biomass residues, several reaction pathways categorized …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 2, 2023 · pp. 1–13 Read article
-
An Investigation into the Mechanical and Strength Properties of Rubberized Asphalt Concrete
Abstract: In this study, the suitability of large rubber chunks from shredded tires as aggregates in cold mixes for road construction is investigated. The rubber was used as an additive to the asphalt binder. Thirty percent of rubber by weight was introduced into the binder at a higher temperature and the rubber was allowed to react with the binder. It was shown among other findings that for various particle sizes, the …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 4, Issue 1, 2018 · pp. 11–16 Read article
-
Effect Of Capping Agents And Annealing On The Optical Properties Of (Cd0.8-Zn0.2)S And (Cd0.8-Zn0.2)S:Eu Films Prepared By CBD Technique
Abstract: Thin films of (Cd0.8-Zn0.2)S and (Cd0.8-Zn0.2)S:Eu are prepared by Chemical Bath Deposition (CBD) technique on glass substrates at 60ºC temperature by adding Mercaptoethanol and Methanol as capping agents(CA). The films were annealed at 400°C for two minutes and their optical properties were studied. The effect of the presence of capping agents and annealing was investigated. The optical constants such as refractive index, extinction coefficient, optical and electrical conductivity, real and …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 1, 2016 · pp. 1–7 Read article
-
Silver Nanoparticle Ink for Rapid prototyping in Printed Electronics
Abstract: Now a day, Printed Electronics technology is very popular all over the world. It is very flexible and cost effective technology. It can replace the traditional technologies. By this technology, one can convert the rigid circuit board into flexible circuit board by printing the circuit on any substrate with the help of nanosilver conductive ink. The conductivity of nanosilver ink increases as the particle size is very small in nanometers. …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 1, 2016 · pp. 17–20 Read article
-
The Production Advanced Carbon Nanocomposite Materials by Using the Method of Vibro-turbulization
Abstract: Nanocomposites are materials that contain nano-sized particles in a matrix of a standard material. The addition of nanoparticles to the matrix results in a sharp improvement in the properties of the resulting nanomaterial, including mechanical strength, toughness, and electrical or thermal conductivity. Existing methods for the synthesis of nanocomposites, consisting in the laser decomposition of an aerosol of a ferrocene solution in toluene, as a result of which a nanocomposite …
Published in International Journal of Applied Nanotechnology · Vol. 6, Issue 2, 2020 · pp. 10–14 Read article
-
Evaluation of Antimicrobial Activity using Zinc Oxide Nanoparticles
Abstract: The goal of the study was to use common laboratory techniques to create Zinc Oxide nanoparticles in a short amount of time and to check the antibacterial activity of zinc oxide nanoparticles on gram negative and gram positive bacteria. Wet chemical technique was used to make zinc oxide nanoparticles. Activity augmentation for Escherichia coli and Staphylococcus aureus were studied when used in combination with Zinc Oxide Nanoparticles. The Nps are …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 1, 2021 · pp. 24–27 Read article
-
2-D ELECTRICAL RESISTIVITY TECHNIQUE FOR GROUNDWATER EXPLORATION IN IKERE – EKITI, NIGERIA
Abstract: The electrical resistivity techniques become one of the most widely used geophysical survey methods. Electrical resistivity method has been applied to various fields like groundwater and subsurface resource exploration. In the past, electrical resistivity was used in engineering, environmental and archaeological purposes. Its reliability depends on the expert interpretation skills of geophysicist. Applicable technique in groundwater exploration like electrical resistivity method which complement with existing conventional method will produce comprehensive …
Published in International Journal of Energetic Materials · Vol. 5, Issue 1, 2019 · pp. 1–8 Read article
-
Enhancing the Flame Resistance of Hybrid Composite Materials with Inorganic Retardants
Abstract: Fire safety is a crucial component of measures with the goal of minimizing damage from restricting the spread of fires, preventing flashover, and measuring how to inhibit their beginning. It is feasible to flee for a longer amount of time if flames are prevented or delayed. Consequently, it effectively protects property, health, and life. Polymer characteristics that resist heat and fire frequently altered through the addition of particulate fillers. Numerous …
Published in International Journal of Energetic Materials · Vol. 8, Issue 2, 2022 · pp. 1–9 Read article
-
A Review on the Antifungal Activity of Different Nanoparticles
Abstract: In this study, investigated the antifungal effects of nanoparticles such as silver nanoparticles, gold nanoparticles, ZnO, TiO2, etc. Nanoparticles have small particle size, large surface area and high reactivity against fungi. Today, some of drugs also available in the market but these drugs are not showing better result against some of fungi. The aim of the review is introducing the new generation antifungal agents for clinical applications. Keywords: Ag–NPs, Antifungal, …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 1, 2017 · pp. 25–31 Read article