Chemical Engineering & Technology
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Recently Published Articles
- Multiple Regression Analysis of Catalytic Dehydrogenation of Isopropanol in a Chemical Heat Pump System
Mehmet Selçuk Mert, İnci Salt, Fatma Karaca, Hatice Hande Mert and Esen Bolat
Article first published online: 22 DEC 2014 | DOI: 10.1002/ceat.201400277
As a clean technology, chemical heat pumps are able to upgrade low-level thermal energy to upper levels and store energy without losses. Dehydrogenation of isopropanol can serve as a first step in such a system. The enhancing effects of Raney-Ni, Pt/C, and Ru/C type catalysts and alkaline NaOH additive on the dehydrogenation reaction of isopropanol were investigated statistically.
- Influence of Design Parameters on Hydrodynamics and Heat Transfer of a Modularized Millireactor
Philip Biessey and Marcus Grünewald
Article first published online: 22 DEC 2014 | DOI: 10.1002/ceat.201400645
Reactors on a milli-scale open the possibility to develop modular equipment that allows for flexible production. An apparatus with rectangular product channels and mixing elements for process intensification is investigated in terms of hydrodynamics and heat transfer. The apparatus performs competitively with established reactor concepts and is, thus, an alternative for modular production units.
- Gradient-Direction-Pattern Transform for Automated Measurement of Oil Drops in Images of Multiphase Dispersions
Alfonso Rojas-Domínguez, Alehlí Holguín-Salas, Enrique Galindo and Gabriel Corkidi
Article first published online: 22 DEC 2014 | DOI: 10.1002/ceat.201400208
Automated detection and measurement of oil drops in multiphase fermentation systems are essential for mass transfer analysis. The gradient-direction-pattern transform as a novel automatic technique for detection of circular objects is proposed. Oil drops in a three-phase system simulating a fermentation broth were analyzed, achieving higher performance than other techniques.
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