Results 1 to 10 of about 10,227,551 (246)

Gas hold-up in a three-phase reciprocating plate column [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
The influence of the geometry of a reciprocating plate column (diameter), superficial gas velocity, vibration intensity and content of the solid phase in the column on the gas hold-up in a three phase column (G–L–S) were investigated in this study.
LJUBISA B. NIKOLIC   +3 more
doaj   +3 more sources

Hold-Up Problems in International Gas Trade: A Case Study

open access: yesEnergies, 2021
The infrastructure required for international natural gas trade is considerable, which often leads to hold-up problems and supply disruptions. This study discusses disruptions of gas supply from Algeria, Indonesia, Russia, and Turkmenistan since the ...
Guych Nuryyev, Tomasz Korol, Ilia Tetin
doaj   +1 more source

Gas Hold-Up and Mass Transfer in a Vessel with an Unsteady Rotating Concave Blade Impeller

open access: yesEnergies, 2022
The steady mixing of gas-liquid systems is used where a large development of the interfacial area is required. However, the presence of gas in the liquid reduces the efficiency of mass transfer by reducing the mixing power, due to the creation of gas ...
Sebastian Frankiewicz, Szymon Woziwodzki
doaj   +1 more source

Prediction of gas hold-up for alcohol solutions in a draft-tube bubble column [PDF]

open access: yesActa Periodica Technologica, 2006
This paper deals with the prediction of the overall gas hold-up (εg), in the diluted solutions of C -C alcohols in draft - tube bubble column, by applying several newly proposed correlations and some of the well-known equations.
Albijanić Boris V.   +3 more
doaj   +1 more source

Gas Hold-Up in Vessel with Dual Impellers and Different Baffles

open access: yesEnergies, 2022
The influence of impellers system, baffles system and type of liquid on gas hold-up in a vessel has been presented in this paper. The analysis of gas hold-up was conducted on the basis of the data obtained in the vessel.
Marta Major-Godlewska, Magdalena Cudak
doaj   +1 more source

Numerical Analysis of Gas Hold-Up of Two-Phase Ebullated Bed Reactor

open access: yesChemEngineering, 2023
Due to the significant increase in heavy feedstocks being transported to refineries and the hydrocracking process, the significance of adopting an ebullated bed reactor has been reemphasized in recent years.
Riyadh S. Almukhtar   +12 more
doaj   +1 more source

Computational Modeling of the Impact of Solid Particles on the Gas Hold-up in Slurry Bubble Columns

open access: yesChemical Engineering Transactions, 2021
Three-phase bubble column reactors, despite their broad diffusion in chemical process, are often difficult to describe given the intricate mutual phase interactions.
Francesco Maniscalco   +3 more
doaj   +1 more source

Hydrodynamics and mass transfer inthree-phase airlift reactors for activated Carbon and sludge filtration [PDF]

open access: yesAdvances in Environmental Technology, 2017
A bioreactor refers to any manufactured or engineered device that supports a biologically active environment. These kinds of reactors are designed to treat wastewater treatment.
Mohammad Ali Salehi, Nasrin Hakimghiasi
doaj   +1 more source

Hydrodynamic Properties Investigation of Ebullated Bed Reactor Using Non-Newtonian Liquid [PDF]

open access: yesEngineering and Technology Journal, 2022
The importance of using EBR has been renewed recently due to the sharp increase in heavy feedstocks sent to refineries and the hydrocracking process. Most of these feedstocks have a non-Newtonian behavior.
Zahraa Hassan   +3 more
doaj   +1 more source

Analysis of the hydrodynamic parameters of external loop air lift bioreactors [PDF]

open access: yesHemijska Industrija, 2004
In this study we analyzed the effects of the hydrodynamic conditions and properties of the working fluid on the operation of external loop air lift bioreactors. In particular, the effects of design and operating parameters (e.g.
Milivojević Milan M.   +4 more
doaj   +1 more source

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