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Ye Jiang; Xin Sun; Guomeng Zhang; Da Han; Zhengda Yang – Journal of Chemical Education, 2024
The flue gas from waste incineration power plants contains high-level zinc species that may deactivate the catalyst for selective catalytic reduction (SCR) of nitrogen oxides (NO[subscript x]) with NH[subscript 3]. A comparison experiment was designed to investigate the effect of different types and Zn/Ce molar ratios on the performance of…
Descriptors: Science Education, Scientific Concepts, Science Laboratories, Science Experiments
Simões, Manuel; Malcata, F. Xavier – Journal of Chemical Education, 2020
A laboratory experiment is described in which students carry out immobilization of the enzyme invertase via entrapment in alginate (Ca-alginate) and, accordingly, estimate values for kinetic constants and mass transfer coefficients. Immobilization of enzymes, or confinement thereof to a defined space with retention of most catalytic activity, is…
Descriptors: Science Instruction, Science Laboratories, Scientific Concepts, College Science
Yunhua Li; Weizhong Liao; Cuixue Chen; Meiling Ye; Alexander Luis Imbault – Journal of Chemical Education, 2023
The electrolysis of water to produce hydrogen is a critical step in many green chemistry processes. The key to the efficiency of water electrolysis is the synthesis of an appropriate electrocatalyst. Three-dimensional (3D) printing is an increasingly important part of many industrial processes. In this study, we propose an efficient laboratory…
Descriptors: Printing, Computer Peripherals, Educational Technology, Chemistry
Acuña-Girault, Adalberto; Gómez del Campo-Rábago, Ximena; Contreras-Ruiz, Marco Antonio; Ibanez, Jorge G. – Journal of Technology and Science Education, 2022
During the SARS-2-COVID pandemic our institution sought to continue the teaching and learning of experimental laboratories by designing, assembling, and delivering a microscale chemistry kit to the students' homes. Thanks to this approach students were able to perform [approximately]25 experiments during each one of the Fall 2020 and Spring 2021…
Descriptors: COVID-19, Pandemics, Science Instruction, Science Laboratories
Llanos, Javier; Pérez, Ángel; de Lucas-Consuegra, Antonio – Journal of Chemical Education, 2019
This work presents a laboratory to help chemical-engineering students understand the basic concepts of corrosion. This laboratory has been performed since academic year 2011-2012 in the framework of the subject "Design of equipment and installations" for the third year of the Chemical Engineering Degree of the University of Castilla-La…
Descriptors: Science Instruction, Chemical Engineering, Laboratory Experiments, Scientific Concepts
Ganley, Jason – Chemical Engineering Education, 2018
This paper describes a student laboratory in the Unit Operations Laboratory at the Colorado School of Mines: air separation by pressure swing adsorption. The flexibility of the system enables students to study the production of enriched nitrogen or oxygen streams. Automatic data acquisition permits the study of cycle steps and performance.…
Descriptors: Chemical Engineering, Engineering Education, Science Laboratories, Scientific Concepts
Joss, Lisa; Müller, Erich A. – Journal of Chemical Education, 2019
Recent advances in computer hardware and algorithms are spawning an explosive growth in the use of computer-based systems aimed at analyzing and ultimately correlating large amounts of experimental and synthetic data. As these machine learning tools become more widespread, it is becoming imperative that scientists and researchers become familiar…
Descriptors: Science Instruction, Science Laboratories, Chemical Engineering, Educational Technology
Timmer, Brien J. J.; Schaufelberger, Frederik; Hammarberg, Daniel; Franzén, Johan; Ramström, Olof; Dinér, Peter – Journal of Chemical Education, 2018
Green chemistry and sustainable development have become increasingly important topics for the education of future chemists. The cross-disciplinary nature of green chemistry and sustainable development often means these subjects are taught in conjunction with other subjects, such as organic chemistry and chemical engineering. Herein, a…
Descriptors: Organic Chemistry, Undergraduate Students, Sustainable Development, Science Laboratories
Finberg, Ethan Abraham; Griffin, David Michael; Shiflett, Mark Brandon – Chemical Engineering Education, 2020
A Unit Operations Laboratory (UOL) is fundamental to undergraduate chemical engineering education. This article discusses a new course structure for the University of Kansas UOL and details for three new experiments covering the fundamentals of vapor-liquid equilibrium, fluid mechanics, and kinetics. Students apply knowledge from these courses as…
Descriptors: Chemical Engineering, Science Laboratories, College Science, Science Instruction
Cooper, Tyler; Trafford, Russell; Attaluri, Anilchandra; Vernengo, Andrea Jennifer – Chemical Engineering Education, 2018
This paper describes an undergraduate laboratory experiment where students study the heating behavior of magnetic nanoparticles in the presence of alternating magnetic fields. Average score on the post-test was 45±12% for students who completed the lab online, versus 43±11% for those doing the activity hands-on. Post-test scores were significantly…
Descriptors: Science Laboratories, Undergraduate Students, Heat, Magnets
Ramalho, Maria J.; Pereira, M. Carmo – Journal of Chemical Education, 2016
In this work, a laboratory experiment to introduce graduate students to nanotechnology is described. Students prepared poly(lactic-"co"-glycolic acid) (PLGA) nanoparticles using two different synthesis procedures, a single and a double emulsion-solvent evaporation method. The students also performed a physicochemical characterization of…
Descriptors: Science Instruction, Science Laboratories, Laboratory Experiments, Science Experiments
Pansare, Vikram J.; Tien, Daniel; Prud'homme, Robert K. – Chemical Engineering Education, 2015
Biology is playing an increasingly important role in the chemical engineering curriculum. We describe a set of experiments we have implemented in our Undergraduate Laboratory course giving students practical insights into membrane separation processes for protein processing. The goal of the lab is to optimize the purification and concentration of…
Descriptors: Undergraduate Students, Science Laboratories, Laboratory Experiments, Biology
Louhi-Kultanen, Marjatta; Han, Bing; Nurkka, Annikka; Hatakka, Henry – Chemical Engineering Education, 2015
The present work describes an undergraduate laboratory exercise for improving understanding of fundamental phenomena in cooling crystallization. The exercise of nucleation and crystal growth kinetics supports learning of theories and models presented in lectures and calculation exercises. The teaching methodology incorporates precepts the…
Descriptors: Chemical Engineering, Science Laboratories, Scientific Concepts, Laboratory Experiments
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
Anastasio, Daniel; McCutcheon, Jeffrey – Chemical Engineering Education, 2012
A crossflow reverse osmosis (RO) system was built for a senior-level chemical engineering unit operations laboratory course. Intended to teach students mass transfer fundamentals related to membrane separations, students tested several commercial desalination membranes, measuring water flux and salt rejections at various pressures, flow rates, and…
Descriptors: Chemical Engineering, Scientific Concepts, Undergraduate Study, Science Laboratories