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Juntong Chen, Man Ge and Lin Li
In order to increase industrial production quality and efficiency, it is essential to understand how the aeration and no-aeration condition affects liquid and solid material mixing in the stirred tank. Due to complicated shear flows, the related mass-tra...
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Alejandro Regalado-Méndez, Guadalupe Ramos-Hernández, Reyna Natividad, Mario E. Cordero, Luis Zárate, Edson E. Robles-Gómez, Hugo Pérez-Pastenes and Ever Peralta-Reyes
2-Chlorophenol (2-CP) is a dangerous organic contaminant found in wastewater. In this work, 2.5 L of a 2-CP solution (1 mol/m3) was electrochemically treated in a flow-by reactor equipped with two boron-doped diamond electrodes (BDD) under batch recircul...
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David Polanía Melo, Andrés Hernández Bravo, Juan C. Cruz and Luis H. Reyes
This study investigated the effectiveness of immobilizing Saccharomyces cerevisiae invertase (SInv) on magnetite nanoparticles to produce fructooligosaccharides (FOSs). Based on the existing literature and accompanied by parameter estimation, a modified ...
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Shuiqing Zhou, Qizhi Yang, Laifa Lu, Ding Xia, Weitao Zhang and Hao Yan
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Youngwook Lim, Junwon Min, Taewook Kang and Dongchoul Kim
The dissolved gas concentration in a stirred tank has significant importance in the chemical and biological processing industries as mass transfer from the injected gas to an aqueous solution must occur for the gas to be usable. As the solubility of the ...
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Adrian Stuparu, Romeo Susan-Resiga and Alin Bosioc
The present study examines the possibility of using an industrial stirred chemical reactor, originally employed for liquid?liquid mixtures, for operating with two-phase liquid?solid suspensions. It is critical when obtaining a high-quality chemical produ...
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Dushko Stavrov, Gorjan Nadzinski, Stojche Deskovski and Mile Stankovski
In this paper, we discuss an improved version of the conventional PID (Proportional?Integral?Derivative) controller, the Dynamically Updated PID (DUPID) controller. The DUPID is a control solution which preserves the advantages of the PID controller and ...
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John J. Fitzpatrick, Franck Gloanec and Elisa Michel
Significant energy savings can be made in aerobic stirred tank batch bioreactors by the manipulation of agitator power (Pag) and air flowrate per unit working volume (vvm). Control is often implemented to maintain the oxygen concentration in the bioreact...
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Santiago Barreiro-Vescovo, Elena Barbera, Alberto Bertucco and Eleonora Sforza
In this study, the feasibility of integrating microalgae cultivation in a biogas production process that treats the organic fraction of municipal solid waste (OFMSW) was investigated. In particular, the biomass growth performances in the liquid fraction ...
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Jasmin Terreni, Andreas Borgschulte, Magne Hillestad and Bruce D. Patterson
The realistic numerical simulation of chemical processes, such as those occurring in catalytic reactors, is a complex undertaking, requiring knowledge of chemical thermodynamics, multi-component activated rate equations, coupled flows of material and hea...
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