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54 articles for “kinetic models”
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Kinetic Modeling of Biomass Pyrolysis for Renewable Energy Production.
Abstract: Biomass pyrolysis is a promising technology for renewable energy production, offering a sustainable alternative to fossil fuels. This process involves the thermal decomposition of organic materials in the absence of oxygen, resulting in the generation of bio-oil, syngas, and biochar. Kinetic modeling of biomass pyrolysis is essential for optimizing the process and enhancing the yield and quality of the products. This abstract presents a comprehensive review of kinetic models used …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 1–6 Read article
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Thermal Dynamics and Kinetic Modelling of Cryogenic Fuels in Aerospace and IndustrialApplications
Abstract: Cryogenic fuels are critical for high-speed aerospace and industrial applications, where efficient handling, storage, and usage are paramount for performance and safety. This study explores the thermal dynamics and kinetic modeling of cryogenic fuels, focusing on liquid handling systems and propellant technologies. Utilizing computational fluid dynamics (CFD) analysis, the research evaluates the behavior of cryogenic liquids within insulated vessels under extreme temperature conditions, identifying key parameters that influence thermal stability …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article
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Kinetic Modeling and Thermodynamic Study of the Simultaneous Adsorption of Polycyclic Aromatic Hydrocarbons (PAHs) Onto Organomontmorillonite in Aqueous Medium
Abstract: Water is a vital source of human life, but it has frequently been polluted by mono and polycyclic aromatic hydrocarbons, usually from petrochemicals in petroleum industrial effluents as well as other anthropogenic activities. This study investigate the potential of montmorillonite intercalated HDTMAand TMPA cations for effective removal of five (5) different polycyclic aromatic hydrocarbons (PAH) namely: naphthalene, anthracene, chrysene,benzo(a)pyrene and benzo(g,h,i) perylene in aqueous medium. To research PAH adsorption behaviour …
Published in International Journal of Composite Materials and Matrices · Vol. 8, Issue 1, 2022 · pp. 28–38 Read article
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A Comprehensive Combustion Kinetics Modeling Study of Iso-Octane and Air Mixtures
Abstract: The oxidative behavior of the iso-octane (2,2,4-trimethylpentane) has been studied in a range of experimental facilities in order to investigate the relatively unexplored combustion chemistry of the title species and to provide combustor relevant experimental data. The ignition of iso-octane/air and iso-octane/O2 mixtures was studied at temperatures of 600–1300 K, pressures of 1–50 atm, and equivalence ratio 0.5 to 2. This study has been conducted analytically using a kinetic scheme …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 4, Issue 2, 2018 · pp. 30–38 Read article
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Development of Momentum Transfer and Kinetic Model for Hydrocarbon Degradation in a Flowing Stream
Abstract: ABSTRACTA momentum transfer and kinetic model for prediction of individual hydrocarbon degradation in a flowing stream system has been developed in this study. This model was developed to monitor, predict and simulate degradation of individual hydrocarbon in most flowing streams in the Niger Delta region of Nigeria. The model was developed from first principle using plug flow reactor concept. It was simulated with MATLAB R2007b software using data of crude …
Published in International Journal of Chemical Separation Technology · Vol. 6, Issue 2, 2020 · pp. 17–34 Read article
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Kinetic Model for Production of Carbon(iv)oxide (CO2) from Brewers Spent Grain Using Anaerobic Digester
Abstract: In this research paper, investigation studies were carried out to determine which model best predicts the amount of using the linear, power, growth rate decay, and non-elementary rate models, the kinetics of the biogas produced under the impact of biodegradation were explored. Carbon(iv)oxide was produced as a fraction of the biogas acquired from the experimental conditions. Either of the linear, power, growth rate decay, and non-elementary rate models can be …
Published in International Journal of Energetic Materials · Vol. 10, Issue 1, 2024 · pp. 17–31 Read article
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Bio-stimulation with Fresh Avocado Seed for Crude Oil Remediation: Experimental and Bio-kinetic Modelling
Abstract: The remediation of crude oil-contaminated soils requires sustainable and cost-effective solutions. This study investigates the performance of fresh avocado seed (Persea americana) as a biostimulant for the remediation of Bonny Light crude oil-contaminated soil from the Kalarugbana community, Niger Delta. A 56-day laboratory-scale experiment was conducted using bioreactors containing 1 kg of soil contaminated with 100 ml of crude oil and treated with different volumes of fresh avocado seed slurry …
Published in International Journal of Environmental Chemistry · Vol. 11, Issue 2, 2025 · pp. 68–76 Read article
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Applications of Sesame Residues as Sorbents for Oil Removal from Produced Water
Abstract: Large amounts of produced water are produced in tandem with the production of crude oil. Both dissolved and dispersed oil are present in produced water, which can contaminate the environment and pose health risks to people. In this study, the oil component, cadmium, and lead ions were extracted from the generated water using sesame residues and agricultural wastes. The sesame residues were dried, size-reduced, and ground. Standard techniques were used …
Published in International Journal of Agrochemistry · Vol. 11, Issue 1, 2025 · pp. 5–16 Read article
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A method to determine kinetic triplet by coupled with model-free method and model-fitting method
Abstract: The present study is aimed to obtain integral linear method using rational expressions given by Senum and Yang, and a method of selecting the reaction model more quickly and easily and compute the activation energy and pre- exponential factor more accurately was proposed. An improved linear integral procedure coupled with one model-free method and one model-fitting method for the determination of kinetic triplet using non-isothermal data recorded at several heating …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 11, Issue 1, 2025 · pp. 1–13 Read article
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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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Comparative Biosorption Analysis of Chicken Feathers and Absorbent Pads on Crude Oil Contaminated Soil
Abstract: The study was done for the biosorption of hydrocarbon contaminated soil using chicken feather waste (CFW) and adsorbent pad adsorbents (AP). The adsorbents materials were sourced locally and prepared accordingly and made ready for the adsorption process. To analyze the adsorption of crude oil from contaminated soil, the following time intervals were used: 0 weeks, 4 weeks, 8 weeks, 12 weeks, 15 weeks, and 20 weeks. Additionally, varying amounts of …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 10, Issue 2, 2024 · pp. 13–33 Read article
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Evaluation of Michaelis-Menten Constants of TPH Degradation on Clay Soil
Abstract: The degradation of Total Petroleum Hydrocarbons (TPH) in petroleum-contaminated clay soil remains a major environmental concern, particularly in regions with limited remediation options. This study investigates the enzymatic kinetics of TPH biodegradation using Michaelis-Menten modeling in the presence of Bryophyllum pinnatum leaf extracts as biostimulants. Fourteen bioreactors containing 2000g of contaminated clay soil were prepared with 100ml of crude oil and treated with varying doses (100ml, 200ml, and 300ml) of …
Published in International Journal of Chemical Engineering and Processing · Vol. 11, Issue 2, 2025 · pp. 6–12 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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Total Petroleum Hydrocarbon Degradation with the Action of Bio-stimulant using NPK Fertilizer
Abstract: The total petroleum hydrocarbon degradation with the action of bio-stimulant using NPK fertilizer was monitored with respect to different concentration of dosages. The nature of the curve in relationship to the establishment of the equation of the line as well as the square root of the best of each line or curve was considered. The application of this concept enhanced the determination of the kinetic values of each bioreactor process, …
Published in International Journal of Green Chemistry · Vol. 12, Issue 1, 2026 · pp. 26–33 Read article
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Mechanistic and Catalytic Behavior of Os for the Chlorpheniramine Maleate and Bromamine-B Redox System
Abstract: Chlorpheniramine maleate (CPM) is an important antihistamine agent. To the best of our knowledge there is no report in the literature about the oxidation of CPM with halogen + 1 oxidant from the stand point of its kinetics and mechanistic chemistry. Hence, a systematic kinetics and mechanistic study on the oxidation of CPM with bromamine-B (BAB) in the presence of NaOH and Os(VIII) catalyst has been carried out at 303 …
Published in International Journal of Energetic Materials · Vol. 2, Issue 2, 2016 · pp. 14–29 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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Iron Pillared Clay for Sorption of Toluene in Aqueous Solution: Kinetics and Equilibrium Studies
Abstract: The adsorption of toluene using unmodified and Fe-pillared clay were investigated in this study using UV/Visible, FT-IR spectroscopic measurements and batch adsorption process. The framework vibration of the clay before and after pillaring were determined using FTIR spectra. Effect of Contact time and initial and various concentration of toluene at constant temperature were investigated. The experimental data were studied using equilibrium isotherm (Langmuir and Freundlich) and kinetics models (pseudo first …
Published in International Journal of Chemical Engineering and Processing · Vol. 8, Issue 1, 2022 · pp. 1–10 Read article
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Indigo Carmine Oxidations in Aqueous and Micellar Media Using Specific Oxidants—A Review Article
Abstract: Abstract Indigo carmine is an anionic synthetic dye widely used in textile, food, and pharmaceutical industries. The discharge of this dye into water bodies poses severe environmental concerns due to its intense color, more stability, and resistance to biodegradation. Consequently, the oxidation and degradation of this dye through electron transfer reactions have been widely investigated. The present review focuses on studies related to oxidation of indigo carmine dye using various …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 12, Issue 1, 2026 · pp. 44–56 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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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