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Smith, York R.; Fuchs, Alan; Meyyappan, M. – Chemical Engineering Education, 2010
Senior year chemical engineering students designed a process to produce 10 000 tonnes per annum of single wall carbon nanotubes (SWNT) and also conducted bench-top experiments to synthesize SWNTs via fluidized bed chemical vapor deposition techniques. This was an excellent pedagogical experience because it related to the type of real world design…
Descriptors: Economic Research, Chemical Engineering, Experiments, Laboratory Equipment
Derevjanik, Mario; Badri, Solmaz; Barat, Robert – Chemical Engineering Education, 2011
This experiment and analysis offer an economic yet challenging semi-batch reactor experience. Household bleach is pumped at a controlled rate into a batch reactor containing pharmaceutical hydrogen peroxide solution. Batch temperature, product molecular oxygen, and the overall change in solution conductivity are metered. The reactor simulation…
Descriptors: Chemistry, Undergraduate Study, College Science, Science Laboratories
Kubilius, Matthew B.; Tu, Raymond S.; Anderson, Ryan – Chemical Engineering Education, 2014
A recurring framework has been integrated throughout the curriculum via a Continuously Stirred Tank Reactor (CSTR) platform. This laboratory is introduced during the material and energy balance course, and subsequent courses can use these results when explaining more advanced concepts. Further, this laboratory gives students practical experience…
Descriptors: Chemical Engineering, Science Education, Science Laboratories, Energy
Vazquez Aranda, Armando I.; Henquin, Eduardo R.; Torres, Israel Rodriguez; Bisang, Jose M. – Journal of Chemical Education, 2012
A laboratory experiment is described to determine the primary current distribution in parallel-plate electrochemical reactors. The electrolyte is simulated by conductive paper and the electrodes are segmented to measure the current distribution. Experiments are reported with the electrolyte confined to the interelectrode gap, where the current…
Descriptors: Science Instruction, College Science, Science Laboratories, Chemistry
Utgikar, Vivek P.; MacPherson, David – Journal of Chemical Education, 2016
Students in the undergraduate "transport phenomena" courses typically have a greater difficulty in understanding the theoretical concepts underlying the mass transport phenomena as compared to the concepts of momentum and energy transport. An experiment based on dissolution of carbon dioxide in water was added to the course syllabus to…
Descriptors: Undergraduate Students, Scientific Concepts, Kinetics, Scientific Principles
Glin´ski, Marek; Ulkowska, Urszula; Iwanek, Ewa – Journal of Chemical Education, 2016
In this laboratory experiment, the synthesis of a supported solid catalyst (Cu/SiO2) and its application in the dehydrogenation of cyclohexanol performed under flow conditions was studied. The experiment was planned for a group of two or three students for two 6 h long sessions. The copper catalyst was synthesized using incipient wetness…
Descriptors: Science Instruction, Science Laboratories, Laboratory Experiments, Science Experiments
Clark, William; Lei, Melinda; Kirichenko, Erika; Dickerson, Kellie; Prytko, Robert – Chemical Engineering Education, 2017
Exothermic reactions can present safety hazards and there is a recognized need for reaction safety education at the undergraduate level. We present an experiment that illustrates the pitfall of direct scale-up of an exothermic reaction that can lead to thermal runaway. The iodide-catalyzed hydrogen peroxide decomposition reaction yields…
Descriptors: Undergraduate Study, Hazardous Materials, Laboratory Safety, Safety Education
Crane, Johanna L.; Anderson, Kelly E.; Conway, Samantha G. – Journal of Chemical Education, 2015
This advanced undergraduate laboratory experiment involves the synthesis and characterization of a metal-organic framework with microporous channels that are held intact via hydrogen bonding of the coordinated water molecules. The hydrothermal synthesis of Co[subscript 3](BTC)[subscript 2]·12H[subscript 2]O (BTC = 1,3,5-benzene tricarboxylic acid)…
Descriptors: Science Instruction, Thermodynamics, Spectroscopy, Undergraduate Study
Reilly, Maureen K.; King, Ryan P.; Wagner, Alexander J.; King, Susan M. – Journal of Chemical Education, 2014
An undergraduate organic chemistry laboratory experiment has been developed that features a discovery-based microscale Fischer esterification utilizing a microwave reactor. Students individually synthesize a unique ester from known sets of alcohols and carboxylic acids. Each student identifies the best reaction conditions given their particular…
Descriptors: Undergraduate Study, College Science, Science Laboratories, Laboratory Experiments
Peer reviewed
Lindfors, Lars-Eric – Journal of Chemical Education, 1971
Descriptors: Chemistry, College Science, Instructional Materials, Kinetics
Metzger, Matthew J.; Glasser, Benjamin J.; Glasser, David; Hausberger, Brendon; Hildebrandt, Diane – Chemical Engineering Education, 2007
Ask a graduating chemical engineering student the following question: What makes one reactor different from the next? The answers received will often be unsatisfactory and will vary widely in scope. Some may cite the difference between the basic design equations, others may point out a PFR is "longer," and still others may state that it…
Descriptors: Graduate Students, Chemical Engineering, Equations (Mathematics), Teaching Methods
Genc, Rukan; Rodriguez-Couto, Susana – Journal of Chemical Education, 2011
Undergraduate students of biotechnology became familiar with several aspects of bioreactor operation via the production of xanthan gum, an industrially relevant biopolymer, by "Xanthomonas campestris" bacteria. The xanthan gum was extracted from the fermentation broth and the yield coefficient and productivity were calculated. (Contains 2 figures.)
Descriptors: Undergraduate Students, Biotechnology, Microbiology, Science Instruction
Antunes, Bruno M.; Cardoso, Simao P.; Silva, Carlos M.; Portugal, Ines – Journal of Chemical Education, 2011
A low-cost experiment to carry out the second-order reversible reaction of acetic acid esterification with ethanol to produce ethyl acetate is presented to illustrate concepts of kinetics and reactor modeling. The reaction is performed in a batch reactor, and the acetic acid concentration is measured by acid-base titration versus time. The…
Descriptors: Kinetics, Chemistry, Scientific Methodology, College Science
Saayman, Jean; Nicol, Willie – Chemical Engineering Education, 2011
A demonstration experiment is described that employs the ozone decomposition reaction at ambient conditions on Fe2O3 impregnated Fluidized Catalytic Cracking (FCC) catalyst. Using a two-dimensional see-through column the importance of interphase mass transfer is clearly illustrated by the significant difference in ozone conversion between the…
Descriptors: Demonstrations (Educational), Science Experiments, Scientific Concepts, Chemistry
Koretsky, Milo D.; Kelly, Christine; Gummer, Edith – Chemical Engineering Education, 2011
The instructional design and the corresponding research on student learning of two virtual laboratories that provide an engineering task situated in an industrial context are described. In this problem-based learning environment, data are generated dynamically based on each student team's distinct choices of reactor parameters and measurements.…
Descriptors: Engineering Education, Research Design, Instructional Design, Problem Based Learning