مرور Volume 44, Issue 1 بر اساس عنوان
در حال نمایش موارد 1 - 7 از 7
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Effect of Concentration of Cations on Activated Sludge Properties and Membrane Fouling in Membrane Bioreactors for Wastewater Treatment
(University of Tehran, 2011-04-01)This paper presents the results of an investigation on the effects of concentration of cations on activated sludge properties and membrane fouling in submerge membrane bioreactors. The working volume of the experimental ...
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Investigation of Effective Parameters on Phase Inversion Hold-up in Continuous Mixer-settler
(University of Tehran, 2011-04-01)In this paper, we studied effect of different parameters including density, viscosity, interfacial tension and solute transfer concentration on phase inversion hold-up. The results showed that change in phase density ratio ...
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Investigation of the Local Nusselt Number of the Symmetrical Liquid-Liquid Jets Emitting from a Nozzle
(University of Tehran, 2011-04-01)The aim of this paper is to study the local Nusselt number of the symmetrical liquid-liquid jets emitting from a nozzle. Equations obtained from theoretical works are arranged in the form of a computerized model. The ...
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Model Predictive Inferential Control of a Distillation Column
(University of Tehran, 2011-04-01)Typical production objectives in distillation process require the delivery of products whose compositions meet certain specifications. The distillation control system, therefore, must hold product compositions as near the ...
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Predicting Kinetic Parameters of Acetylene Hydrogenation Reaction Via Optimization Techniques
(University of Tehran, 2011-04-01)In this study simulation and optimization of an industrial acetylene hydrogenation reactor was studied. Three well known kinetic models were used for a nearly similar catalyst to predict the industrial data. Due to the ...
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The Study of Corresponding Effects of anionic surfactant concentration and solute on Drop Size in a Mixer-Settler Extractor and Propose an Empirical Model
(University of Tehran, 2011-04-01)Drop size distribution in a mixer-settler is an essential design parameter, as obtaining drop size distribution will result in optimum performance of equipment. In this paper for obtaining drop size, several experiments ...
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Study of the Effects of Si/Al Ratio and Operating Conditions in Hydrothermal Dealumination of Y Zeolite
(University of Tehran, 2011-04-01)NaY zeolites with different framework Si/Al ratios were synthesized via hydrothermal technique. Structural characteristics of the synthesized zeolites were determined by using XRD, XRF, SEM, BET analyses. The effects of ...



