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Chemical Engineering Communications Journal

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In the present study, the reaction kinetics of corn gluten hydrolysis by Alcalase, a bacterial protease produced by Bacillus licheniformis, was investigated. The reactions were carried out for 10 min in 0.1 L of aqueous solutions containing 10, 20, 30, 40, and 50 g protein L−1 co...
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The solubilities, densities, and refractive index data for the 1,2-propylene glycol + MNO3 + H2O (M = Na, K, Rb, Cs) ternary systems at 25° and 35°C were measured with mass fractions of 1,2-propylene glycol ranging from 0 to 1.0. In all cases, the presence of 1,2-propylene glycol...
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The aim of the present work is to demonstrate the technical feasibility of treating high-strength distillery wastewater in an electrochemical flow reactor and to predict the result using an artificial neural network (ANN) model. The experiments were conducted using oxide coated o...
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The laminar dispersion of a solute in a capillary tube is used to measure diffusion coefficient of oxygen in liquids. A Polarographic type oxygen microelectrode is used to detect the pulse. Such a procedure overcomes the problems of measuring dissolved gases and makes it possible...
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The purpose of this study was to investigate the efficiency of two phenolic acids, namely p-hydroxybenzoic acid (HBA) and protocatechuic acid (PCA), as corrosion inhibitors for CuNi10Fe alloy in a 0.5 mol dm(-3) NaCl solution. In these investigations, open circuit potential measu...
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HI ANDERSSON, KL TISETH
The transient flow in a long pipe following the sudden imposition of a constant flow rate is considered. An exact analytical solution of the axisymmetric Navier-Stokes equations in terms of an infinite series of Bessel functions is derived. Time-dependent velocity profiles, as we...
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An innovative process has been developed at University of the Manchester in order to remove organic contaminants from wastewater using graphite intercalation compounds (GICs) as adsorbents with electrochemical regeneration. The present study has demonstrated the removal of tartra...
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The catalytic growth of high aspect ratio carbon nanorods by ethylene decomposition over nickel/silica is presented as a viable low-cost selective route to a high-value product. This study focuses on the role of catalyst preparation in determining carbon yield and structural char...
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The ultrasonic and the combined ultrasonic/mechanochemical treatments were used for the 1% CuO-MgO catalyst preparation by a simple mechanical mixing of the CuO nanopowder with MgO. Results of the XRD and TEM studies show that the ultrasonic treatment significantly increases the ...
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Mojtaba Shafiee,Mohammad Firoozzadeh, Mohammad Ebrahimi, Ali Pour-Abbas
For a long time, electricity is supplied by means of firing the fossil fuels in thermal power plants. Now, it is well-known that the activity has many environmental and health issues, which are sharply menace the future of earth and humanity. Photovoltaic (PV) system is one of th...
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H HIKITA,S ASAI, Y KATSU, S IKUNO
AbstractThe rates of absorption of pure carbon dioxide into aqueous monoethanolamine solutions with a surface active agent were measured at 15°, 25°, 35°, and 45°C in a liquid jet column and a wetted wall column. Experimental results were analyzed with the chemical absorption the...
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The objective of this study was to find the optimal condition for the extraction of rubber seed oil (RSO), using liquefied dimethyl ether (DME). Response surface methodology with a spherical central composite design model was employed to determine the optimal extraction condition...
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MD XIN, YD CHAO
The experiments of pool boiling were carried out on the T-shaped finned surfaces. The produced surfaces have precise geometric sizes. Therefore, the analysis of the heat transfer mechanism and the research of the optimal structural size are easily conducted. Based on the experime...
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This paper presents the study of the transesterification of palm oil via heterogeneous process using montmorillonite KSF as heterogeneous catalyst. This study was carried out using a design of experiment (DOE), specifically response surface methodology (RSM) based on four-variabl...
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Particle size distribution and concentration in particulate two-phase flow are important parameters in a wide variety of industrial areas. For the purpose of online characterization in dense coal-water slurries, ultrasonic methods have many advantages such as avoiding dilution, t...
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A helium activated firing device was used to propel viscoelastic fluid slugs (350 cc) to Mach I velocities. Aerodynamic forces disrupt the slug which eventually transforms into a cloud of droplets that fall on the ground below. Various concentrations and types of polymethyl metha...
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Literature data of the amount of liquid contained per crystal w(L)(L) measured for various chemicals are correlated only with the crystal size L as: w(L)(L) proportional to L-4. Using the empirical equation, an equation of purity P for crystals produced from a continuous mixed-su...
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The effect of hydrotropes potassium p-toluene sulfonate (KPTS), citric acid, and nicotinamide on the solubility and mass-transfer coefficient of 1,2-dihydroxy-9,10-anthraquinone (alizarin) was studied. Solubility studies were carried out under a wide range of hydrotrope concentra...
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Wastewaters produced in textile industrial processes contain organic dyes, such as azo dyes, which are not amenable to direct biological treatment. This work examines the possibility of combining ozonation with biological treatment for the effective treatment of wastewaters conta...
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The kinetics of phase demixing in an aqueous two-phase system (ATPS) consisting of PEG/sodium citrate, with various PEG molecular weights (2000, 4000, and 6000) was investigated at 25 degrees C. The rate of demixing of the phases (top/bottom) is essential to scale up the aqueous ...
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