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Gomez, Elaine; Paul, Melissa; Como, Charles; Barat, Robert – Chemical Engineering Education, 2014
This experiment and analysis offer an effective experience in greenhouse gas reduction. Ammoniated water is flowed counter-current to a simulated flue gas of air and CO2 in a packed column. The gaseous CO2 concentrations are measured with an on-line, non- dispersive, infrared analyzer. Column operating parameters include total gas flux, dissolved…
Descriptors: Science Experiments, College Science, Science Laboratories, Undergraduate Study
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Hart, Peter W.; Rudie, Alan W. – Chemical Engineering Education, 2011
Within the past 15 years, three North American pulp mills experienced catastrophic equipment failures while using 50 wt% hydrogen peroxide. In two cases, explosions occurred when normal pulp flow was interrupted due to other process problems. To understand the accidents, a kinetic model of alkali-catalyzed decomposition of peroxide was developed.…
Descriptors: Accidents, Mechanics (Physics), Chemistry, Chemical Engineering
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Clark, William M.; Jackson, Yaminah Z.; Morin, Michael T.; Ferraro, Giacomo P. – Chemical Engineering Education, 2011
Laboratory experiments and computer models for studying the mass transfer process of removing CO2 from air using water or dilute NaOH solution as absorbent are presented. Models tie experiment to theory and give a visual representation of concentration profiles and also illustrate the two-film theory and the relative importance of various…
Descriptors: Chemical Engineering, Laboratory Experiments, Science Experiments, Science Instruction
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Argoti, A.; Fan, L. T.; Cruz, J.; Chou, S. T. – Chemical Engineering Education, 2008
The stochastic simulation of chemical reactions, specifically, a simple reversible chemical reaction obeying the first-order, i.e., linear, rate law, has been presented by Martinez-Urreaga and his collaborators in this journal. The current contribution is intended to complement and augment their work in two aspects. First, the simple reversible…
Descriptors: Chemistry, Equations (Mathematics), Probability, Science Instruction