Enhancing biomass and fatty acid productivity of Tetraselmis sp. in bubble column photobioreactors by modifying light quality using light filters
Sign Up to like & getrecommendations! Published in 2017 at "Biotechnology and Bioprocess Engineering"
DOI: 10.1007/s12257-017-0200-6
Abstract: Some artificial light sources able to emit photons at specific wavelengths, such as LEDs, are useful for studying the effects of light quality on microalgal growth and production of fatty acids; however, they should not… read more here.
Keywords: biomass fatty; fatty acid; light filters; bubble column ... See more keywords
Aeration costs in stirred-tank and bubble column bioreactors
Sign Up to like & getrecommendations! Published in 2017 at "Biochemical Engineering Journal"
DOI: 10.1016/j.bej.2017.08.006
Abstract: Abstract To overcome knowledge gaps in the economics of large-scale aeration for production of commodity products, Aspen Plus is used to simulate steady-state oxygen delivery in both stirred-tank and bubble column bioreactors, using published engineering… read more here.
Keywords: tank bubble; aeration; stirred tank; oxygen delivery ... See more keywords
Characterisation of bubble diameter and gas hold-up in simulated hydrocarbon-based bioprocesses in a bubble column reactor
Sign Up to like & getrecommendations! Published in 2020 at "Biochemical Engineering Journal"
DOI: 10.1016/j.bej.2020.107577
Abstract: Abstract Hydrocarbon substrates can be upgraded to high-value products through biological oxidation processes, whereby an oxygen moiety is inserted into the hydrocarbon backbone by microbes in a suitable bioreactor system such as a bubble column… read more here.
Keywords: gas; system; column reactor; bubble diameter ... See more keywords
Simultaneous methane abatement and PHB production by Methylocystis hirsuta in a novel gas-recycling bubble column bioreactor
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.10.106
Abstract: Abstract The limited gas–liquid mass transfer represents the main challenge in the operation of cost-effective bioreactors devoted to the treatment of poorly soluble gas pollutants such as methane (CH 4 ). This study evaluates the… read more here.
Keywords: gas; gas recycling; bubble column; phb ... See more keywords
Oxygen transfer in pilot-scale contactors: An experimental and computational investigation into the effect of contactor design
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.03.067
Abstract: Abstract Oxygen transfer is a key parameter in many industrial bioprocesses, however there are few direct comparisons between different reactor designs and their effect on the Oxygen Transfer Rate (OTR), particularly at high superficial velocities… read more here.
Keywords: oxygen transfer; design; column; bubble column ... See more keywords
Scale-up of a downflow bubble column: Experimental investigations
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2019.04.027
Abstract: Abstract Co-current downflow bubble columns provide advantages like high gas phase residence time and small bubble diameters, which result in high gas-liquid interfacial area and high mass transfer rates. The precise knowledge of gas fraction,… read more here.
Keywords: gas; downflow bubble; bubble column; gas fraction ... See more keywords
A study on the influence of the tube layout on sub-channel hydrodynamics in a bubble column with internals
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.01.008
Abstract: Abstract In this work, the hydrodynamics of a bubble column with vertical heat exchanger internals in a narrow bubble column of D i = 0.1 m inner diameter with a clear liquid height of L… read more here.
Keywords: column; tube; gas; hydrodynamics bubble ... See more keywords
Influence of the size of heat exchanging internals on the gas holdup distribution in a bubble column using gamma-ray computed tomography
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.04.021
Abstract: Abstract The effects of the presence of the vertical internals of different sizes at a wide range of superficial gas velocity on the overall, local gas holdup distributions and their profiles have been studied and… read more here.
Keywords: vertical internals; column; gas; bubble column ... See more keywords
Effect of packing size on packed bubble column hydrodynamics
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.04.045
Abstract: Abstract The present article focuses on the hydrodynamics of gas-liquid flow through a packed bubble column (PBC) reactor. Typically used in heterogeneously catalyzed gas-liquid reactions, such reactors employ a stationary packing of solid particles (catalyst)… read more here.
Keywords: packed bubble; liquid; gas liquid; hydrodynamics ... See more keywords
GPU-accelerated transient lattice Boltzmann simulation of bubble column reactors
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2019.115436
Abstract: Abstract Design parameters for Bubble Column Reactors such as backmixing and light/dark cycles of microalgae cells are pertinent to transient flow dynamics and mesoscale coherent structures. Transient simulation is therefore of practical significance. Traditional CFD… read more here.
Keywords: accelerated transient; gpu accelerated; column reactors; simulation ... See more keywords
Experimental analysis of gas phase dynamics in a lab scale bubble column operated with deionized water and NaOH solution under uniform bubbly flow conditions
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.116056
Abstract: Abstract In this study we present an investigation on the impact of sparger configuration and fluid properties on the local gas phase dynamics for up to 17% total gas holdup. Experiments in a bubble column… read more here.
Keywords: phase dynamics; gas; bubble column; gas holdup ... See more keywords