HTFS Heat Transfer Innovation.Aspentechs HTFS products offerstateoftheart heat exchanger simulation and design based on over 35 years of industrylead research.CACHE Process Design Case Studies.CACHE Process Design Case Study.Vol. 4Alternative Fermentation Processes for Ethanol ProductionThe objective of this case study is the preliminary design andeconomic evaluation of a fermentation process for the production ofethanol from a molasses feedstock.The intent is to expose the studentto some non traditional chemical engineering processes and to theexpanding field of biotechnology.The scope of the study is such thatgroups of 2 3 students should be able to complete the design in about.The major focus of this design is the creation and rationaldevelopment of a suitable process flowsheet, simulation of theflowsheet by the simulator FLOWTRAN, and economic evaluation and costminimization of the final process.The problem begins with the specification of the plant operatingrequirements.The type of fermentor to be used as well as plantoperating conditions are left open.Suggested fermentors include batch,CSTR, CSTR wcell recycle as well as a novel extractive fermentor basedon the use of hollow fiber membranes HFEF.The choice of thefermentor will affect the nature of the flowsheet and lead to severaldesign alternatives which the students will have to screen beforearriving at a workable flowsheet that is ready for simulation.Thiscase study includes a floppy disk with input files for the simulator.FLOWTRAN as well as a program written in BASIC to evaluate theperformance of CSTR fermentors.This Tutorial was developed with the Windows Version of ASPEN PLUS 12.Our Site License allows us to install a software version on the personal computer of the.The problem statement was posed by Professors Steven Le.Blanc and. Ronald L.Fournier and prepared under their supervision by the student.Samer Naser at the University of Toledo.CACHE Process Design Case Study.Vol. 5Retrofit of a Heat Exchanger Network and Design of a Multiproduct.Batch PlantThis volume contains two short design projects that can be developedby groups of 2 3 students in about two weeks.As opposed to the largeprojects that are commonly used in a design course, the objective ofthe case study is to expose students to a greater variety of problemsand which are of current industrial significance.The first problem deals with the retrofit of a heat exchangernetwork consisting of 8 exchangers with 5 hot and 3 cold processingstreams as well as steam and cooling water.The layout of the networkand areas of the exchangers are also given.The objective is todetermine a retrofit design that can reduce the energy consumptionwithin specified limits for the capital investment and payout times.This problem requires examination of alternatives for the level ofenergy recovery, matching of streams, addition o f area, and removal orreassignment of existing exchangers and piping.This problem can beused to illustrate basic concepts of heat integration, as well as theapplication of computer software such as Target II, THEN, MAGNETS and.CACHE Process Design Case Study Vol.Conceptual Design of Second Generation Bioethanol Production via Gasification of Lignocellulosic Biomass.Newsletters/No64/plotint.png' alt='Aspen Heat Exchanger Design Software' title='Aspen Heat Exchanger Design Software' />RESHEX.The second desig n problem deals with the design of a batchprocessing plant that has to manufacture 4 different products, all ofwhich require 5 similar processing steps reaction, product recovery,purification, crystallization and centrifuge.An important aspect ofth is problem is that the production schedule and inventory must beanticipated at the design stage.Aspen-EDR-Exchanger-Design-Rating-software1.jpg' alt='Aspen Heat Exchanger Design Software' title='Aspen Heat Exchanger Design Software' />Furthermore, this problem alsorequires analyzing alternatives for merging processing tasks intosingle units, and using parallel units with and without intermediatestorage.The use of Gantt charts is emphasized to examine some of thesealternatives.The case study also includes two sets of homeworkproblems with solutions that can be used to provide the basicbackground for the two problems.This case study has been prepared by the students Richard Koehlerand Brenda Raich at Carnegie Mellon University under the supervision of.Professor Grossmann who developed the problem statements andeducational material.CACHE Process Design Case Study.Vol. 6Chemical Engineering Optimization Models with GAMSThe objective of this case study is to provide a set of chemicalengineering problems to supplement optimization courses at both theundergraduate and graduate level.This case study should also be usefulin other courses and to practicing engineers to learn about GAMS andits applications.GAMS is an algebraic modelling system in which the user need not beconcerned with details of providing the interfaces with variousoptimization codes.Instead, the GAMS environment allows the user toconcentrate on the modelling of problems, which u ltimately is the mainskill that is required for the successful application of optimizationin practice.This case study covers applications at various levels ofcomplexity in the following areas a Planning and scheduling of batchand continuous proce sses, b Chemical and phase equilibrium, cDesign of heat exchanger networks, distillation columns and batchprocesses, d Synthesis of reaction paths, heat exchanger networks anddistillation sequences, e Optimization of dynamic and distributed parameter models.These problems are modelled as linear, nonlinear andmixed integer optimization problems.This case study describes in detail the formulation and solution ofa total of 2.Exercises are also given for each problem.In addition,the case study includes Special student version of GAMS for IBM PC and compatibles in 3 12in diskettes.The MINOS, ZOOM and DICOPT codes are inclu ded in this.GAMS version which can handle problems with up to 1.Jacobian matrix. GAMS input files for all the problems these are extensivelydocumented.GAMS Users Guide.This case study has been prepared by faculty and students from.Carnegie Mellon University, Northwestern University and Princeton.University under the coordination of Ignacio E.Grossmann. GAMSDevelopment Corporation, the Licensing Technology Office at Stanford.University, XMP Optimization Software and Sunset Systems have donatedthe computer software for this case study.CACHE Process Design Case Study.Vol. 7Design of an Ethylbenzene Production Plant Preliminary Design and.Economic AnalysisThe objective of this case study is thepreliminary design and economic evaluation of an alkylation process forthe production of ethylbenzene from ethylene and benzene.The intent isto expose the student to a traditional chemical engineering process.The scope of the study is such that groups of 3 4 students should beable to complete the design in 3 months.The major focus of this designis the creation and development of a suitable process flowsheet,simulation of the flowsheet by the simulator HYSYS, economic evaluationand cost minimization, and HAZOP analysis of the final process.The problem begins with a statement ofthe design specifications.Students are then required to consideralternatives for the reactor type fixed or fluidized bed, reactorconditions liquid or vapor phase and separation scheme.These choicesaffect the layout of the flowsheet and lead to several designalternatives.Students are expected to analyze the various processalternatives based on economic, safety, and environmental factors.Included in this case study is a floppy disk containing the HYSYSsimulation file and GAMS input files for modeling the heatintegration.The problem statement was posed by.Professor Costas D.Maranas and prepared by James E.Lease, Gregory L.Moore, Ryan M. Scofield and Joseph D.Sevick in the department of.Chemical Engineering at the Pennsylvania State University.Mike Kalpwas also involved in putting the case study together, and he wassupported by the ECSEL program at Pennsylvania State University.This case study is available in two forms Hardcopy with binder and disk with HYSIS input file CACHESupporting department 5.Non supporting department 9.CD ROM containing text of case study and.HYSIS file. Large flowsheet diagram is also provided.CACHE Supportingdepartment 3.Non supporting department5.CACHE Process Design Case Study.Vol. 8Nitrogen from Air on line version available at no costNitrogen from Air My design Group has just finished the development of a web based casestudy and tutorial entitled Nitrogen from Air.This represents asignificant advance over the one developed previously. Bonding Network Interfaces Windows 7 here. It includesdetailed process descriptions, downloadable reports and simulationinput files, and calculators and animations.Larry T. Biegler, Carnegie Mellon University.CACHE Process Design Case Study.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |