Process design and control for eco-efficiency

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dc.contributor.advisorSvrcek, William Y.
dc.contributor.advisorYoung, Brent R.
dc.contributor.authorMontelongo Luna, Juan Manuel
dc.date.accessioned2017-12-18T22:08:11Z
dc.date.available2017-12-18T22:08:11Z
dc.date.issued2010
dc.descriptionBibliography: p. 102-110en
dc.description.abstractThe main objective of process design is to develop processes or plants that will produce goods of higher value than the raw materials used. Consequently, process design is mostly driven by the economics of production. However, many other factors, such as operability and environmental regulations have to be considered in the design of a process. Due to the dynamic nature of chemical and petrochemical processes, without process control a plant could not be operated safely and at design conditions. Disturbances drive the process in directions that are not the desired/designed operating levels. Process control is the means by which disturbances are rejected. Exergy can be derived from the application of the first and the second laws of thermodynamics to a process. Exergy can be used as a measurement of how valuable the process is, that is, if the exergy values of the products of the process are close to those of the raw materials the process is highly (thermodynamically) efficient. An eco-efficient process can be defined as one that is ecologically friendly and economically viable. This means the process should reduce energy consumption (or exergy destruction), which in tum reduces operating expenses. Exergy along with an integrated framework for process design and process control can be used to develop more efficient processes in a faster and less costly manner than conventional process design. The objectives of this research project were to develop an exergy calculator for chemical process streams and to develop a controllability index based on exergy. These tools will allow the design engineer to gain insight into the eco-efficiency of the process from the early design stages and will reduce the number of design and control structure alternatives that need to be evaluated in detail. The Exergy Calculator was developed and implemented in a commercial process simulator (HYSYS®) and in an open source chemical process simulator (Sim42®). This tool facilitates the generation of an exergy analysis for any process for which a simulation exists. The new Relative Exergy Array (REA) is a controllability index that, when used with the RGA, provides information about the process interactions of a control structure and its relative thermodynamic efficiency.en
dc.format.extentxv, 149 leaves : ill. ; 30 cm.en
dc.identifier.citationMontelongo Luna, J. M. (2010). Process design and control for eco-efficiency (Doctoral thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/3549en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/3549
dc.identifier.urihttp://hdl.handle.net/1880/104550
dc.language.isoeng
dc.publisher.institutionUniversity of Calgaryen
dc.publisher.placeCalgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.
dc.titleProcess design and control for eco-efficiency
dc.typedoctoral thesis
thesis.degree.disciplineChemical and Petroleum Engineering
thesis.degree.grantorUniversity of Calgary
thesis.degree.nameDoctor of Philosophy (PhD)
ucalgary.item.requestcopytrue
ucalgary.thesis.accessionTheses Collection 58.002:Box 1951 627942794
ucalgary.thesis.notesUARCen
ucalgary.thesis.uarcreleaseyen
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