Results 21 to 30 of about 81,208 (258)
Absorption in a three-phase fluidized bed I: Hydrodynamic investigations [PDF]
Hemijska Industrija, 2003 The hydrodynamic properties of a three phase fluidized bed with low density inert spherical packing, fluidized by the interaction of a gas flowing upwards and a liquid flowing downwards through the column, were investigated.
Pejanović Srđan M.
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EXPERIMENTAL STUDY OF LIQUID DISPERSION IN BUBBLE COLUMN
Diyala Journal of Engineering Sciences, 2008 The main object of this study is to investigate the influence of column diameter and superficial gas velocity on liquid phase dispersion coefficients (axial and radial dispersion coefficients), mixing times, gas holdup, and bubble dynamics (bubble ...
Hayder Abd Al-kaream Muhsin
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Gas Hold‐Up in Stirred Tank Reactors in the Presence of Inorganic Electrolytes [PDF]
The Canadian Journal of Chemical Engineering, 2002 AbstractGas hold‐up (ϵG) in air‐aqueous electrolyte solutions in stirred tank reactors (STR) is correlated using a relative gas dispersion parameter, N/Ncd and a surface tension factor (STF), (c/z)(dδ/dc)2. For electrolyte concentration below transition concentration (ct) a single correlation in the form of ϵG = f(N/Ncd, vvm, STF) shows good agreement ...
Yawalkar, Archis A. +3 more
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Floating Membrane Bioreactors with High Gas Hold-Up for Syngas-to-Biomethane Conversion
Energies, 2019 The low gas-to-liquid mass transfer rate is one of the main challenges in syngas biomethanation. In this work, a new concept of the floating membrane system with high gas hold-up was introduced in order to enhance the mass transfer rate of the process ...
Konstantinos Chandolias +2 more
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Energies, 2022 The water blocking damage to the reservoir caused by the invasion of external fluid is one of the main factors that affect the efficient development of tight sandstone gas reservoirs.
Fengguo He, Jie Wang
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Investigation of the Gas-Liquid Flow in an Agitated Vessel Equipped with an ASI Impeller by Using Tomography Method [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2020 In this study, the hydrodynamics of the gas dispersion in an aerated vessel equipped with a newly designed impeller (ASI impeller), a combination of the pitched blade turbine and the Scaba impeller was investigated.
Fariba Khalili +3 more
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Physical and mathematical modeling of phenomena proceeding with gas – powder two phase flow through moving packed bed in metallurgical shaft furnaces [PDF]
Metalurgija, 2011 Physical and chemical processes in shaft furnaces proceeds in counter – current system. Reacting gas carrying powders flows up in packed bed of descending metallurgical materials. In this system the problem of bed particles hanging up appears.
B. Panic
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Computation, 2017 A novel computational fluid dynamics-population balance model (CFD-PBM) for the simulation of gas mixing in activated sludge (i.e., an opaque non-Newtonian liquid) in a bubble column is developed and described to solve the problem of measuring the ...
Le Wang +3 more
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Gas Hold-Up and Volumetric Liquid-Phase Mass Transfer Coefficient In Solid-Suspended Bubble Columns With Draught Tube [PDF]
Engineering and Technology Journal, 2010 The solid suspended-bubble columns with draught tube are widely used as a threephaseslurry reactor in industrial chemical process such as absorption, biochemicalreactions, coal liquefaction. etc.
Ali Abdul-Rahman N. Jasim Alazzi
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Studies on gas hold-up in gas-liquid spouted vessel.
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1976 In a gas-liquid spouted vessel, where power is supplied from a pump to water and gas is introduced at a nozzle attached at the bottom of the vessel, gas bubbles are finely broken at the nozzle and dispersed to the vessel. Gas hold-up in the gas-liquid spouted vessel rapidly increases with increasing liquid flow rate and easily exceeds twice the gas ...
NISHIKAWA, MASABUMI +4 more
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