Search
1013 articles for “characterization”
-
Green Synthesis of Nickel(II) and Zinc(II) Complexes of Bis(Imine) Schiff base Derived from o-vanilline and m-phenylenediamine.
Abstract: The synthesis of Schiff base ligand derived from aromatic aldehyde (o-vanillin) and m-phenylenediamine via liquid-assisted mechanochemical synthesis (LAG) in the presence of small amount of dimethylformamide were reported. The Schiff base complexes of Ni(II) and Zn(II) were also synthesized mechanochemically and characterized using infra-red spectroscopy, thermogrametric analysis, energy dispersive x-ray analysis, powder x-ray diffraction, UV-Visible analysis, conductivity measurement, magnetic susceptibility measurement and CHN, micro-analysis. Infrared spectral study indicated a strong …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 1, 2020 · pp. 31–43 Read article
-
Experimental Study on Synthesis of Shear Thickening Fluid
Abstract: A novel class of nanosuspension material called shear thickening fluids (STFs) are created by dispersing micro- and nanoparticles in a dispersant. It is an intelligent material with excellent performance. When a modest shear rate is used, STFs are easily distorted. A material with noticeably improved characteristics is produced by this mixture (STF) of flowable and rigid components at a certain composition. Silica nanoparticles dispersed in a liquid polymer solution were …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 2, 2022 · pp. 1–6 Read article
-
Green Chemistry Approach for the Preparation of Silver Nanoparticles: A Review
Abstract: The word "nanoparticles" refers to particles within a size range of 10 and 100 nm. Nanotechnology is the topic that is growing the fastest because of its applications in science and technology to produce new at the nanoscale range. Silver is the metal of first preference among the various noble metals. The production of silver nanoparticles can be achieved by different methods such as: chemical method, biological method, green synthesis. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 30–39 Read article
-
Studies on Fuel potential of different generation biofuels
Abstract: Ever-increasing pressing issue has been to generate biofuel energy for transportation, food security etc. Our nation has been continuously laying efforts in this field to develop methods that can provide sustainable energy source that can fulfill the growing needs. Fossil fuels which were earlier the only source of energy production is now been replaced by various other sources including algal strains. The latter has come forward as an alternate to …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 3, Issue 1, 2017 · pp. 26–29 Read article
-
Production of Biogas from the Anaerobic Co-Digestion of Cow-Dung and Tannery By-Products
Abstract: This work was majorly focused on the production of biogas anaerobically through the co-digestion of cow-dungs and tannery waste and also to reduce the concentration of sulphide by direct inclusion of facultative lagoon sediment with sodium and calcium alginate. Various tannery fleshing to cow-dung ratio of 1:0, 1:0.5, 1:1 and 1:2 were investigated. The optimum was established to be ratio 1:2 is designated as a top methane concentration up to …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 7, Issue 2, 2021 · pp. 1–10 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
-
Examining the Rate of Change of Some Physicochemical Properties of a Polluted Water Environment as a Result of Crude Oil Spill
Abstract: This study was designed to look at how the physicochemical characteristics of the aquatic environment changed as a result of crude oil spillage. Samples were collected for analysis of physicochemical parameters, Total Dissolved Oxygen, Total Bacteria Counts (TBC) and Total Petroleum Hydrocarbon (TPH) content etc., for a period 84 days at 14 days intervals. Over the course of the analysis, the value of oil & grease varied between sampling points …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 1, 2023 · pp. 29–34 Read article
-
Studies on the Kinetics of Thermal Decomposition of Copper Oxalate Mixed With Silver Oxalate
Abstract: The coprecipitates, Ag2Cu(C2O4)nH2O of varying composition [Ag = (1 and 2)%], have been synthesized and were characterized by means of IR, XRD, and SEM. The decomposition of the prepared oxalates was monitored by differential scanning calorimetry (DSC) and thermogravimetry (TG). The DSC studies reveal that the decompositions of the mixed oxalates were all complex exothermic processes with resemblance to the exothermic reaction of copper oxalate and ranges from 540 to …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 2, Issue 1, 2016 · pp. 1–11 Read article
-
Thermodynamic Techniques in Food Chemistry – A Review
Abstract: The thermal activities of food strongly depend on its composition. The aims of food processing are to inactivate spoilage and pathogenic microorganisms and to sustain this condition in storage. Using calorimetric techniques, many physicochemical effects can be detected in the temperature range between -50°C and 300°C. Biophysical techniques viz., isothermal titration (ITC) and Differential Scanning Calorimetry (DSC) are used to characterize the structure and properties of food materials before and …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
-
Model for Prediction of Pneumatic Proportional Integral Controller Transfer Function for Step Input Process Response
Abstract: Mathematical model was developed to monitor, predict and simulate the pneumatic proportional integral controller transfer function for step input process response. The model developed was based on the geometric arrangement as well as the distance of the flapper from the nozzle was considered to be small, where the capacitance C is constant and R is the resistance of the integral restrictor. The characteristics of the process was monitored, predicted and …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 1, 2018 · pp. 28–37 Read article
-
On Line Process and Regulator Control (Detailed Version)
Abstract: Modern manufacturing practices and advancement in process control technology are accompanied and faces two problem, namely, (i) to provide quality goods and services and (ii) to contend with limited resources. Statistical modelling methods can provide broad and effective means to address this problem. Process control practitioners, in the Statistical Process Control (SPC) and the Automatic Process Control (APC) areas have endeavoured to integrate SPC and APC for more than half …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 37–62 Read article
-
Preparation of Beta Lactam Compounds and Study of Thermodynamically Behavior
Abstract: Several Lactam derivatives have been prepared by condensation reaction of folic acid with (4-chloroacetophenone and 4-hydroxyacetophenone) in ethanol. Then the resultant compounds (1,2) react with another Schiff bases by reacting of 4- bromobenzaldehyde with an amino acid (Phenylalanine, Tryptophan, Tyrosine and Histidine) to give bis-β-lactam rings. The structures of target compounds were characterized by many spectroscopic methods including NMR, FTIR technique and their melting points. The β- lactam derivatives were …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 2, 2019 · pp. 9–15 Read article
-
Prediction of Step Input Response on Pneumatic Proportional Derivative Controller. The Concept of Transfer Functions
Abstract: Computer programme language of MATLAB software was used to monitor, predict and simulated the characteristics of step input response on pneumatic proportional derivative controller with the concept of transfer functions. The prediction of step input response on pneumatic proportional derivative controller was examined using the concept of transfer function. A model equation was also developed to give account of the response of on pneumatic proportional derivative controller. The equation was …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 1, 2020 · pp. 35–44 Read article
-
Deep Sea Rock Drill Fluid Improved Performance by Addition of Nanomaterials
Abstract: This review contains descriptive issues about improvement in bentonite-based drill fluid after nano matter addition applicable to oil and gas well. This is to improve high-temperature access as well as viscous-dynamic performances under low fluid loss. Oil-based drill fluid seemed to be more favorable as restrict seal by mud cake containing shale whereas water-based drill fluid is economical and ecofriendly. Shale of mine is often searched as the sacred source …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 1, 2021 · pp. 29–38 Read article
-
Review of Thermodynamic Effect on Atmosphere
Abstract: The study of heat-to-work transitions that occur in the earth's atmosphere and manifest as weather or climate is known as atmospheric thermodynamics. The laws of classical thermodynamics are used in atmospheric thermodynamics to describe and explain phenomena such as moist air characteristics, cloud formation, atmospheric convection, boundary layer meteorology, and vertical instabilities in the atmosphere. Thermodynamics is more specifically concerned with the conversions of energy into mechanical energy and mechanical …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 2, 2021 · pp. 38–43 Read article
-
Molecular Study of Indian Herbals at Microwave Region Using Time-domain Spectroscopy
Abstract: The dielectric properties of liquids are useful to some extent to understand the liquid structure and molecular interactions therein. The study of dielectric properties of liquid materials is necessary not only to understand the liquid structure but also to provide technical data for practical uses in industry, science, medicine, and engineering. Time-domain spectroscopy (TDS), a spectroscopicmethod used in physics uses brief terahertz radiation pulses to examine the characteristics of matter. …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 23–28 Read article
-
Review of Silicon Reactivity of Self-assembled monolayer and its Properties
Abstract: In most cases, the assumption of perfect high viscosity between silicon and silver underlies the modelization of silicene on Ag(111). According to recent reports, growth does not take place on top of the Ag(111) terraces, but rather within the first layer of them. In this article, we present the results of a study that combines scanning tunnelling microscopy and density functional theory to simulate the nucleation process and reveal the …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 29–33 Read article
-
Investigation of Mild Steel Corrosion by Clay Soil Environment
Abstract: This research work was carried out to observe the microbiologically induced corrosion in relation to mild steel of clay soil environments. We analyzed the physicochemical parameters and ascertained their biological features and impacts in the soil environment. In course of this research work, clay soil samples were collected in exactly four different locations at 100 m to 200 m and mixed together to form a single sample (sample D). The …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 54–63 Read article
-
Simulation of Heat Generated on Crude Oil Degradation upon the Effect of Temperature in Bacteria Growth Kinetics in a Bioreactor
Abstract: Model was established to simulate the heat generated by bacteria with the interaction of substrate (crude oil) degradation in a bioreactor upon the influence of temperature. The model was predicted by simulating the characteristics of bacteria interaction with substrate at temperature of 15oC, 30oC, 45oC, 60oC, 75oC, 90oC, 105oC and 120oC and heat generated is within the range of -1.0 to 7.1kcal/hr for bacteria in fresh water medium whereas for …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 39–54 Read article
-
Effect of Temperature on Particle Size Mixed Ratio on Petroleum Hydrocarbon Treatment in Packed Bed Unit using Adsorbent
Abstract: The significance of temperature on the potential characteristics of the adsorbent performance in treatment of polluted water medium was monitored by using both room and sun dried bioadsorbent. The research furthermore showcases the effect of particle size of the bioadsorbent in the treatment process and obtained result revealed that the particle size is a contributing factor to the efficiency and the potential in which the rate of Total Petroleum Hydrocarbon …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 2, 2023 · pp. 1–12 Read article