Browsing Chemical Engineering by Issue Date
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Design of packed towers for absorption and desorption of carbon dioxide using hot promoted K2CO3 solution
(1991)The mathematical model developed for the design of a packed column for the absorption of carbon dioxide in hot promoted potassium carbonate solution (Gas Sep Purif (1989) Vol 3 p 152; (1990) Vol 4 p 58) is extended to take ... 
Dynamic behaviour of a semibatch nonisothermal gasliquid reactor
(1991)A dynamic model to predict transient temperature profiles of a nonisothermal semibatch gasliquid reactor was developed. The enhancement factor for nonisothermal gas absorption was calculated by extending the model of ... 
Design and parameter estimation of reverse osmosis systems
(1992)A coupled set of nonlinear algebraic and ordinary differential equations is solved numerically for design of reverse osmosis systems where the membrane transport is governed by threeparameter models. The predictions of ... 
Measurement of gas—liquid parameters in a mechanically agitated contactor
(1993)The volumetric mass transfer coefficient kLa for a mechanically agitated gas—liquid contactor was measured by employing the dynamic method developed recently by Panja and Phaneswara Rao (Trans. Inst. Chem. Eng., 69 (1991) ... 
Mass transfer limitations in a membrane module
(1993)Application of reverse osmosis in the manufacture of sugar from cane juice and beet juice is emerging as a major potential field for energy conservation. The effect of flow velocity and pressure of operation is closely ... 
Kinetics of adsorption on biporous solids—for a system with rectangular equilibrium—reanalysed
(1994)Mass transfer equations describing the rate of adsorption for rectangular equilibrium on biporous solids were solved numerically by finite difference technique. Values of parameters affecting the rate of adsorption were ... 
Predictions of concentration in the pyrolysis of biomass materials—I
(1994)The present work involves the prediction of the concentration profiles in the case of pyrolysis of different lignocellulosic materials in isothermal and nonisothermal conditions. The operative temperature range is from ... 
Treatment of chromium and nickel in wastewater by using aquatic plants
(1994)The aquatic plants Salvinia and Spirodela were used for the removal of chromium and nickel in their synthetic solutions of 1.0–8.0 ppm in the months of August–November 1990 and April–July 1991. The rate of percentage removal ... 
Numerical simulation of dispersion in the flow of power law fluids in curved tubes
(1994)Taylor's model is used as a framework to study axial dispersion in nonNewtonian power law fluids in a circular curved tube for low Dean number. A spectral model that calculates the solutions effectively for large values ... 
Effect of coal properties on the specific coal consumption in a typical thermal power station in India
(1994)The effect of various coal properties like ash content, moisture content, fixed carbon and calorific value on specific coal consumption in a typical thermal power station in India is analysed. It is observed that the ... 
Solution of the batch grinding equation
(1995)A new analytical solution for the cumulative batch grinding equation for firstorder breakage has been proposed. Knowledge of two basic parameters of attrition, the selection and breakage functions, is sufficient to solve ... 
The kenics static mixer: new data and proposed correlations
(1995)New results forwalltotube heat and mass tranfer in a kenicstype static mixer allow a unification of extent data. Nearly universal correlations are presented. They allow detailed comparision with open tube designs. heat ... 
Effect of angle of inclination on liquidphase controlled mass transfer from a gas slug
(1995)AbstractThe effect of angle of inclination on the rise velocity of a single gas slug and overall liquidphase mass transfer coefficient (KLA) have been measured for a CO2 bubble in a closed tube. Water and two aqueous ... 
Energy and chemicals from rice husk
(1995)Rice husk is the only agro residue having maximum siliceous ash content and available in dry form. The present work on rice husk describes processes for producing controlled carbonsilica mixtures in amorphous form, ... 
Predicition of concentration in the pyrol of biomass materalll
(Elsevier Science, 1996)In this work, a prediction of concentration profiles in the case of pyrolysis of different lignocellulosic materials in isothermal and nonisothermal conditions has been made. The operative temperature ranges from 573 to ... 
Genreal kinetic invariant modal of dissolution of large polydisperse particles
(1996)The kinetic invariant proposed earlierfor dissolution followed by chemical reaction of large,monodisperse particles(A N Bhaskarwar,AIchE J,37(1991)340346)Has been extend for large polydisperes particals by means of a ... 
Modelling and simulation of no absorption into water in a countercurrent flow packed column
(1996)The recently proposed mathematical model of Suchak et al., A.I.Ch. E. JL 37, 23 (1991) for the absorption of NOx into nitric acid solutions in a countercurrent flow packed column has been modified by taking into account ... 
Modeling and simulation of anaeorbic startfied biofilm for methane production and prediction of multipal steady states
(1997)A present work deals with modeling of anaerobic metabolism in a startfied biofilm consisting of two distinct of layers of microorganinsms in a fixed film reactor.The model is applied to staedy states condition and is based ... 
Estimation of mass transfer coefficient using a combined nonlinear membrane transport and film theory model
(1997)The problem of estimating mass transfer coefficient (k) in reverse osmosis is very important as can be seen from a number of studies reported in the literature. The methods employed are (a) direct measurements, using optical ... 
A financial evaluation of biomassgasifierbased power generation in India
(1997)A preliminary financial evaluation of biomassgasifierbased power generation in India was undertaken. Simple cost functions were developed and used for this purpose. The unit cost of electricity has been estimated for a ...