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117 articles for “kinetic”
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Treatment of CO2+NH3 Mixed Waste Gas from Different Sources by Blend Solvents
Abstract: The waste gas from chemical plants, including urea fertilizer plant, contains a large amount of CO2 gas in addition to NH3 gas. New solvents have been studied for use in the absorption of waste gases, but most of them are carried out at specific compositions and flow rates for individual gases. In this paper, a complete conceptual design of the process for separately absorbing CO2 and NH3 gases in a …
Published in International Journal of Chemical Separation Technology · Vol. 10, Issue 2, 2024 · pp. 1–19 Read article
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Impact of Cryogenic Temperatures on the Mechanical and Thermal Properties of Polymers and Composites
Abstract: The development of lightweight, high-performance materials for use in cryogenic environments is crucial for advanced applications in aerospace, energy storage, and industrial sectors. This study explores the thermodynamic and mechanical behavior of fiber-reinforced polymers and composite materials under extremely low-temperature conditions. The cryogenic performance of these materials, including their thermal stress resistance and impact properties, was assessed with a focus on polymer fragility and the durability of composites at temperatures …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 7–12 Read article
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Modeling the Biokinetic of Crude Oil Degradation inLoamy Soil Using the Citrus Sinensis of Flavedo Part
Abstract: The biokinetic parameters of crude oil degradation using Citrus sinensis of flavedo part was investigated in loamy soil environment. Mathematical models were developed for the purpose of determining the biokinetic parameters of the k1 (Total Petroleum Hydrocarbon), maximum specific rate of TPH remediation and dissociation constant of the TPH remediation on the effect of remediant dosage on the polluted loamy soil environment. The effect of the remediants were monitored for …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 Read article
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Effect of Device Guided Slow Breathing Exercise in Lowering the Blood Pressure Among Hypertensive Clients
Abstract: Background: Device-guided slow breathing (DGSB) exercises are gaining attention as a potential non-invasive method to manage hypertension. This study evaluates the effectiveness of a DGSB intervention in reducing blood pressure among hypertensive clients in the Gajuwaka community, Visakhapatnam district, Andhra Pradesh. Methods: This quasi-experimental study utilized a non-randomized control group design. Sixty hypertensive individuals, aged over 30 years, were selected using a non-probability purposive sampling technique. Participants were divided into …
Published in International Journal of Cardiovascular Nursing · Vol. 10, Issue 2, 2024 · pp. 14–19 Read article
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A Review Paper on Novel Lipid Nanoparticles for Enhanced Bioavailability of Bioactive Compounds in Breast Cancer Cell Lines
Abstract: Most bioactive compounds from natural products are heavily relied on drug development due to their biological, chemical and pharmacological properties. Some compounds exhibiting anticancer properties have also been reported. However, they present a challenge in achieving the effective absorption and delivery in the body. This is due to minimal bioavailability, fluctuation of plasma drug concentration, low tolerance, first-pass effect which leads to less desired efficacy. Therefore, this calls for an …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 1, 2024 · pp. 1–9 Read article
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Hydrodynamic Study Through Computational FluidDynamics of Radial Flow Membrane Module
Abstract: Historically Crossflow Membrane modules came first in the membrane-based separation (MBS)process. Its high shear generation overcomes two non-idealities concentration polarization andsubsequent fouling. Primarily, high shear generation and large surface area create a positive domainfor large applications. Thereafter, feed flow rate-dependent shear generation creates a hindrance.This obstruction is overcome with Dynamic Shear Enhanced Membrane Filtration Pilot (DSEMFPs).Low surface area is a vital drawback of DSEMFPs. This radial flow membrane module with …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 1, 2024 · pp. 8–15 Read article
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Prediction of Functional Parameters of Vegetable Stem Solid Waste Degradation Using Taylor’s Variable Model
Abstract: Mathematical model was developed to monitor, predict and simulate the functional parameters of vegetable stem solid waste degradation using Taylor’s variable model. Data obtained from the experimental research work was transformed and resolved using Laplace transformation upon the degradation of vegetable stem solid waste. The specific rate of vegetable stem solid waste, maximum specific rate and the disassociation constant rate were evaluated in terms Michaeli’s Menten and Linear method using …
Published in International Journal of Plant Biotechnology · Vol. 4, Issue 2, 2018 · pp. 30–36 Read article
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Cryopreservation of Embryo
Abstract: Cryopreservation or cry conservation is a procedure where organelles, cells, tissues, extracellular matrix, organs or whatever other natural develops powerless to harm brought on by unregulated chemical kinetics are protected by cooling to low temperatures[1](typically - 80 °C utilizing strong carbon dioxide or - 196 °C utilizing fluid nitrogen). At sufficiently low temperatures, any enzymatic or chemical activities which may make harm the biological material being referred to be viably …
Published in International Journal of Animal Biotechnology and Applications · Vol. 2, Issue 2, 2016 · pp. 12–14 Read article
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Extraction, Characterization and Tissue Culture of Plant Derived Indigo From Indigofera tinctoria-Preliminary Studies
Abstract: Indigo is the most preferable of all natural dyes for its high demand worldwide because of the blue denim. Natural Indigo dye is eco friendly, non carcinogenic and do not pose hazard to the environment as compared to synthetic dyes. Although a growing demand for naturally derived indigo dye exists, with increased use of synthetic dyes the plant species is now on the verge of being endangered. Plant tissue culture …
Published in International Journal of Agrochemistry · Vol. 4, Issue 2, 2018 · pp. 53–58 Read article
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Mathematical models in Predictive microbiology for food safety
Abstract: The study of predictive microbiology is predicated on the notion that populations of microorganisms react in a predictable manner to the conditions of their environment and that historical observations can be used to predict how populations will react in the future by looking at environments in terms of the dominant limitations they present. Predictive microbiology is a relatively new branch of the field of microbiology that has recently gained significant …
Published in International Journal of Green Chemistry · Vol. 9, Issue 1, 2023 · pp. 23–29 Read article
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Mathematical Modelling of the Effect of Functional Parameters of Temperature on Biodegradation of Petroleum Hydrocarbons
Abstract: Mathematical model was developed to examine the effect of functional parameters of temperature on biodegradation of petroleum hydrocarbons. The developed model was related to Monod’s equation and the microbial growth rate was monitored, predicted and simulated with variation on the functional parameters. The result obtained revealed increase in the microbial growth rate with increase in the functional parameter values. The maximum specific microbial growth rate was constant as well as …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 2, 2021 · pp. 21–27 Read article
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Analytical Development of Electrochemical Biosensors for Real-Time Monitoring of Environmental Contaminants
Abstract: The increasing awareness of environmental pollution has necessitated the development of efficient monitoring systems for the detection and quantification of contaminants. Electrochemical biosensors have emerged as powerful tools due to their high sensitivity, rapid response, and cost-effectiveness. This paper reviews recent advancements in the development of electrochemical biosensors specifically designed for real-time monitoring of environmental contaminants. The design and fabrication of electrochemical biosensors involve the integration of biological recognition elements …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 2, 2023 · pp. 31–37 Read article
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Determination of % recovery of the solute using Batch Leaching
Abstract: The aim of this study was to investigate the dissolution kinetics of salt in water in a mechanical agitation system and to precipitate salt using water at various conditions. Amount of Sand, Water and Salt were selected as parameters. It was observed that increase in the Salt content and decrease in the salt/sand ratio causes an increase the dissolution rate of salt. The dissolution extent is highly increased with increase …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 1, 2017 · pp. 15–23 Read article
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Hydrogenation of dimethyl-nitrobenzene to dimethyl-aniline in a three-phase Reactor
Abstract: The liquid-phase catalytic hydrogenation of dimethyl-nitrobenzene (DN) to Dimethyl-aniline (DA) was carried out in ethanol using 5% Pd/C as a catalyst. The effects of hydrogen partial pressure (400–1000 kPa), reaction temperature (343–403 ), catalyst loading (5–15 g/lit), speed of stirring range (200-800 rpm) and dimethyl-nitrobenzene concentration (0.12–0.75 mol/lit) on the hydrogenation of dimethyl-nitrobenzene and the yield of Dimethyl-aniline have been studied. Dimethyl-aniline was the only reaction product, generated through the …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 2, 2017 · pp. 1–13 Read article
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Production of Waste Animal Bone as a Heterogeneous Solid Base Catalyst for Transesterification of Jatropha Oil
Abstract: Heterogeneous catalyst plays a vital role in transesterification process, especially in view of cost and reusability. In this study, heterogeneous solid base catalyst was prepared by impregnating the waste animal bone with different weight percent (wt%) KOH solution followed by drying and calcination at 900 °C for 3 hr. Having screened the catalytic performance and basicity of animal bone loaded with different K-compounds, 12 wt% KOH loaded on animal bone …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 28–48 Read article
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Simulation of Biomethane Steam Reforming Plant for Hydrogen Production using Aspen Hysys
Abstract: Aspen Hysys simulation of a process plant for hydrogen production from biomethane through steam reforming process was considered in this work. Models for reactor designs were developed using the principles of conservation of mass and energy. The kinetic model for the biomethane steam reforming process was developed from first principle using the Eley-Rideal mechanistic approach. Computer software (Aspen Hysys) was adopted for the design and for the simulation of the …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 2, 2021 · pp. 10–20 Read article
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Modelling the Effect of Functional Parameter Upon Temperature on The Biodegradation Rate of Hydrocarbons: A Mathematical Review
Abstract: As oil industries continue exploration and exploitation of the environment, the tendency of oil spillage, and by extension, pollution of the marine and coastal environment is on the rise. Therefore, this research work reviews the methodologies or ways of curbing this menace which includes the use ofmicrobes to consume or ‘eat up’ such oil spills in a series of redox processes. However, several factors affect the rate of consumption of …
Published in International Journal of Chemical Engineering and Processing · Vol. 8, Issue 1, 2022 · pp. 43–49 Read article
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The Power of Chemical Modeling: Unveiling Molecular Behavior
Abstract: Chemical modeling has developed as a strong tool for deciphering the complicated behavior of atoms at both the molecular and atomic scales. Researchers can simulate and comprehend the complex dynamics and properties of chemical systems by combining ideas from physics, chemistry, and computer science. The importance of chemical modeling in studying molecular behavior and demonstrates its transformative ability in a variety of scientific disciplines. Chemical modeling, using advanced computational approaches, …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 1, 2023 · pp. 9–13 Read article
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ISONIAZID STABILIZED TUNGSTEN TRICARBONYL COMPLEX: A NEW CO-RELEASING MOLECULE WITH ANTIBACTERIAL ACTIVITY
Abstract: Transition metal carbonyl complexes substituted with biologically active ligand can act as CO-releasing molecules which have beneficial roles including antimicrobial activity. Careful choices of ancillary ligand such as isoniazid help in eliminating issues of toxicity that may arise from drug substrates. Substitution reaction of tungsten hexacarbonyl with isoniazid in the presence of trimethylamine N-oxide under nitrogen atmosphere was carried out at ambient temperature for 72 hrs. The product was characterized …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 36–43 Read article
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Predictive Modelling of a Bioreactor for the Production of Ethanol Using Palmwine
Abstract: This research focuses on the feasibility of biochemical technology with yeast cells (Sacccharomycees cerevisiae) for continuous ethanol production from palm wine. This was carried out in a non-isothermal batch reactor at constant room temperature. 1.5L of palm wine solution was reacted with dry active baker’s yeast until reaction was completed. Biomass, ethanol and glucose concentration were sampled every two hours, and kinetic rate parameters for the fermentation calculated using concentration/time …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 1–8 Read article