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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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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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Piotr M. Marusak
A method for the advanced construction of the dynamic matrix for Model Predictive Control (MPC) algorithms with linearization is proposed in the paper. It extends numerically efficient fuzzy algorithms utilizing skillful linearization. The algorithms com...
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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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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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Piotr M. Marusak
In Model Predictive Control (MPC) algorithms, control signals are generated after solving optimization problems. If the model used for prediction is linear then the optimization problem is a standard, easy to solve, quadratic programming problem with lin...
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Danny Hartanto Djarum
Pág. 34
CSTR plays a major role in many process industries and its control strategy could be very critical in achieving desirable yields, conversion, rates, and minimizing the formation of side products. CSTR control over wide operating range has been a major is...
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Daiane Cristina de Freitas, Fernando Hermes Passig, Cristiane Kreutz, Karina Querne de Carvalho, Eudes José Arantes, Simone Damasceno Gomes
Pág. 469 - 476
The study of the hydrodynamic behavior in reactors provides characteristics of the flow regime and its anomalies that can reduce biological processes efficiency due to the decrease of the useful volume and the hydraulic retention time required for the pe...
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Federico Rossi, Oriana Motta, Simona Matrella, Antonio Proto and Giovanni Vigliotta
Nitrates pollution of waters is a worldwide problem and its remediation is a big challenge from the technical and the scientific point of view. One of the most used and promising cleaning techniques is the biological treatment of wastewaters operated by ...
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Franciele do Carmo Lamaison, Rafael Fragata, Regina Vasconcellos Antônio, Edna Regina Amante, Valeria Reginatto
Pág. 437 - 444
Methods for the enrichment of an anaerobic sludge with H2-producing bacteria have been compared by using cassava processing wastewater as substrate. The sludge was submitted to three different pretreatments: 1) heat pretreatment by boiling at 98°C for 15...
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