مرور Volume 23, Issue 2 بر اساس عنوان
در حال نمایش موارد 1 - 12 از 12
-
Bed Voidage and Heat Transfer in Non-Newtonian Liquid-Solid Fluidized Bed
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)The presence of particles in liquid-solid fluidized beds enhances the bed heat transfer, because the movement of the particles leads to an increased turbulence in the system. Moreover, the violent movement of the ...
-
A Conductometric Urea Biosensor by Direct Immobilization of Urease on Pt Electrode
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)Urease was immobilized on platinum electrode both by chemical binding and electropolymerization.The conductometric urea biosensor thus prepared showed a detection limit of 4.9×10-5 M and linear ...
-
Cost Effective Heat Exchanger Network Design with Mixed Materials of Construction
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)This paper presents a simple methodology for cost estimation of a near optimal heat exchanger network, which comprises mixed materials of construction. Intraditional pinch technology and mathematical programming it is ...
-
The Effect of Coking on Kinetics of HDS Reaction under Steady and Transient States
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)A study was made of the coking of a commercial fresh sulfide Ni-Mo/Al2O3 catalyst in a fixed-bed reactor. The catalyst was coked using different coke precursors in the gas oil under accelerated ...
-
High Temperature Oxidation Behaviour of Nimonic - 115 Alloy in Presence of Sodium Salts at 850OC
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)The high temperature oxidation behaviour of Nimonic-115 industrial alloy has been investigated in presence of NaNO3, Na2CO3 and Na2O2 at 850oC in flowing ...
-
Microwave Assisted Selective Synthesis of four Chromanones Via Biscyclization Method in the Presence of Polyphosphoric Acid and Crystal Structure Determination of Their Dicarboxylic Acids
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)Microwave irradiation is used in the synthesis of four tricyclic chromanones 11-14. The chromanone 14 and 12 are selectively formed thermally and under microwave in the presence of polyphosphoric acid (PPA) from the ...
-
Modeling and Simulation of a Side-Port Regenerative Glass Furnace
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)ABSTRACT:A mathematical model for the performance prediction of an industrial glass furnace with six ports on each side was developed. This model comprises of two main sub-models for the combustion chamber and glass-melting ...
-
Numerical Prediction of Temperature Distribution in Transient RTM Process
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)Resin Transfer Molding (RTM) is a composite manufacturing process. A preformed fiber is placed in a closed mold and a viscous resin is injected into the mold. In this paper, a model is developed to predict the ...
-
Rejection of the Feed-Flow Disturbances in a Multi-Component Distillation Column Using a Multiple Neural Network Model-Predictive Controller
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)This article deals with the issues associated with developing a new design methodology for the nonlinear model-predictive control (MPC) of a chemical plant. A combination of multiple neural networks is selected and ...
-
Simultaneous Photo-Oxidative Degradation of EDTA and Extro-Oxidative Recovery of Copper from Industrial Effluents
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)The objectives of this investigation are the studies on the effect of copper ion on photolytic degradation of ethylenediaminetertraaceticacid (EDTA), the effect of EDTA on electrolytic recovery of copper as well as the ...
-
Synthesis and Characterization of Some Lanthanide(III) Chloro Complexes Derived from 4[N-(4’-Hydroxy-3’-Methoxybenzalidene) Amino] Antipyrine Semicarbazone and 4[N-(3’,4’,5’-Trimethoxybenzalidene) Amino]Antipyrine Semicarbazone
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)Lanthanide(III) chloro complexes of 4[N-(4'-hydroxy-3'-methoxybenzalidene) amino] antipyrine semicarbazone (HMBAAPS) (I) and 4[N-(3',4',5'-trimethoxybenzalidene) amino] antipyrine semicarbazone (TMBAAPS) (II) with the ...
-
Synthesis and Studies of Spectral and Thermal Properties of Some Mixed Ligand Complexes of Thorium(IV) and Dioxouranium(VI) With Semicarbazones as Primary Ligand and Sulfoxide as Secondary Ligand
(Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2004-12-01)The present work describes the studies on the coordination behaviour of 4[N-(benzalidene) amino]antipyrine semicarbazone (BAAPS) (I), 4[N-(furfural)amino]antipyrine semicarbazone (FFAAPS) (II) and 4[N-(cinnamaliden ...
