Tuning and Retuning of PID Controller for Unstable Systems Using Evolutionary...
Proportional + integral + derivative (PID) controllers are widely used in industrial applications to provide optimal and robust performance for stable, unstable, and nonlinear processes. In this paper,...
View ArticleStudies of Recycling of Poly(vinyl chloride) in Molten Na, Ca ‖ NO3, OH Systems
The interaction of poly(vinyl chloride) (PVC) with components of molten inorganic systems at the temperature range 200–500°C was studied by a combination of thermogravimetric and differential-thermal...
View ArticleEffect of Variation Aluminum Oxide Concentration on the Modified Novolac...
Strength properties and water repellency of cotton stalk fibers esterified with propionic anhydride that are used as reinforcing of novolac resin were greatly improved than untreated. Adding aluminum...
View ArticleDegradation Kinetics of Fe-EDTA in Hydrogen Sulfide Removal Process
Available data on the degradation of Fe-EDTA liquid redox H2S removal processes are reviewed, and the effect of H2S molar flow rate, the initial concentration of Fe(III)EDTA, and the presence of sodium...
View ArticleEffect of Sintering Temperatures on the Synthesis of SnO𝟐 Nanospheres
In this communication we report the rapid nanostructure of SnO2 with a spherical morphology which has been prepared in large scale via sol-gel method. The products were characterized with scanning...
View ArticleDetermination of Oxygen Solubility in Liquid Media
The present work aimed at determining the oxygen saturation in culture medium used in the production of pigments by Monascus ruber CCT 3802. This estimation allows the correction and the minimization...
View ArticleEffect of Soil Texture on Remediation of Hydrocarbons-Contaminated Soil at...
Soils polluted by waste lubricant oils may affect the hydrosphere compromising the quality of drinking water resources and threatening the aquatic ecosystems. The objective of this study focused to...
View ArticleSelectivity of the Formation of the Ring-Closed Products and...
In our previous publication (Usman et al., 2011), the by-products formation during the dehydrogenation of methylcyclohexane over 1.0 wt% Pt/γ-Al2O3 was studied under wide range of operating conditions....
View ArticleComprehensive Simple Model on Solid Oxide Fuel Cells
The mathematical, multiphysic, multidimensional, and electrochemical modelation of a high temperature solid oxide fuel cell system (planar electrolyte-supported configuration) is discussed in the...
View ArticleCatalytic Thermal Liquefaction of Oil Shale in Tetralin
A short review on the publications concerning thermal liquefaction of solid fuels in the environment of hydrogen donor solvents and catalysts is compiled. New experimental results on the catalytic...
View ArticleHeterogeneous Photocatalytic Degradation of Dairy Wastewater Using...
This work evaluated the efficiency and systemic application of heterogeneous photocatalytic degradation for dairy wastewater under advanced oxidation process (AOP) utilizing solar radiation and...
View ArticleEvaluation of the Pozzolanic Activity of Sewage Sludge Ash
Raw sewage sludge was characterized by XRD, FTIR, SEM, and TGA techniques and incinerated in temperature range 650–950°C for 2 h. The effect of incineration temperature on the microstructure and...
View ArticlePhotocatalytic Reaction of Gas-Phase Naphthalene on Paint- and...
The uses of metal oxide nanoparticles in modern paint and sunscreen formulations are widespread. Through materials characterization and kinetic experiments, it is demonstrated that fresh surface...
View ArticleAnalysis of Entropy Generation Minimization in Circular Porous Fins
This work introduces a simple method of exergy analysis in a typical circular porous fin. The entropy generation of any thermodynamic system provides a useful measure of the extent of irreversibility....
View ArticleModeling Performance of High-Temperature Biomass Gasification Process
Biomass utilization is becoming a subject of increasing interest as an alternative to clean fuel. A novel gasification process using highly preheated air gasifier using agricultural residue such as...
View ArticleLayered Materials with Catalytic Applications: Pillared and Delaminated...
Delaminated and pillared zeolites are an innovative family of molecular sieves which introduced a different concept inside the synthesis of active catalysts or inorganic supports. These types of...
View ArticleOxalic Acid Regeneration of Ceramic Filter Medium Used in the Dewatering of...
The regeneration of the ceramic filter medium in the dewatering of iron ore enables the use of the medium for much longer periods in comparison to traditional filter cloths. The regeneration is...
View ArticleHydrogen Production by Photoreforming of Renewable Substrates
This paper focuses on the application of photocatalysis to hydrogen production from organic substrates. This process, usually called photoreforming, makes use of semiconductors to promote redox...
View ArticleNew Data on Activity Coefficients of Potassium, Nitrate, and Chloride Ions in...
Ion selective electrodes (ISEs) are used to measure the single-ion activity coefficients in aqueous solutions of KNO3 and KCl at 298.15 K against a double-junction reference electrode. The EMF...
View ArticleCulture Condition Improvement for Phytase Production in Solid State...
The effective factors on phytase production by Aspergillus ficuum PTCC 5288 were studied using solid-state fermentation method in 250 ml shake flask. The effective process parameters on phytase...
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