Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 23 for “"Chemical plants"”.
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Synthesis of operating procedures for complete chemical plants
… Institute of Technology, Dept. of Chemical Engineering, 1990.
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Synthesis of control structures for complete chemical plants
… Institute of Technology, Dept. of Chemical Engineering, 1991.
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Heat and work integration in the synthesis of chemical plants
… Institute of Technology, Dept. of Chemical Engineering, 1990.
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Computer-Aided Design and Simulation of Chemical Plants: PEETPACK, a Non-Proprietary Flowsheeting Program
There are over thirty flowsheeting programs presently in use or at various stages of development in North America and in Europe, however very few of them are non-proprietary and of these none contains a sufficiently wide or general library of unit models and physical property data, or contains an …
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Integrated design of chemical plants with energy conservation (the design of an energy efficient styrene plant)
… is one of the main areas in the study of chemical process design. It is usually referred to as the critical element that is continuously needed for running a chemical process, and is daily effected by the prices of energy. Therefore, poor designs which are not energy integrated normally …
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When the chemistry is right : a study of work organization and change in two chemical plants
Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1995.
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Dynamic modeling and hardware in the loop testing of chemical processes
… for hardware-in-the-loop (HIL) testing of chemical plants. HIL testing is a widespread tool used in industry and academia to bridge the gap between computer simulations and physical experimentation. It provides many advantages to the standard development path of building a physical …
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Dynamic simulation of chemical plant
… 77 for the dynamic analysis and simulation of chemical plants. Its main uses include the investigation of a plant's response to disturbances, the determination of the optimal ranges and sensitivities of controller settings and the simulation of the startup and shutdown of chemical plants. The …
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A collaborative, multi-agent based methodology for abnormal events management
Modern chemical plants have complicated unit operations with considerable recycles. The complex controls and instrumentation installed often compensate and conceal faults, causing many faults in the process to remain undetected, until serious consequences occur. This thesis strives to explore new …
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Alarm management: Mining for groups of co-occuring alarm tags
The safety and profitability of chemical plants depend on the performance of alarm systems. However, a variety of contributing factors such as over-alarming, a lack of configuration management practices and a reduction in staffing levels due to budget constraints, has often led to the degradation …
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Batch sizing strategy & production load leveling in a multi-step chemical manufacturing process
… increase in the manufacturing units. Demand for chemicals used in film and paper for silver halide-based photography has steadily decreased in the last decade. There is growing pressure to increase inventory turns in production processes that are not as profitable as they were ten to twenty years …
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Extensions to the data reconciliation procedure
… of data obtained from automated measurements in chemical plants. All measuring instruments are subject to error. These measurement errors degrade the quality of the data, resulting in inconsistencies in the material and energy balance calculations. Since important decisions are based on the …
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Plantwide dynamic operability analysis from network perspective
… resulting in growing appearances of more complex chemical plants which consist of many process units interconnected in various configurations. The unit interactions caused by these interconnections often impose limitations on the plantwide operability of chemical processes, commonly in the form of …
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Data Driven Approaches to Model Building: Applications to Energy Industries
… & gas extraction) and downstream (refining & chemicals) industries, namely (a) cementing of wells drilled for production of oil and gas from unconventional resources, such as shales; and (b) design of robust control-relevant models for oil refineries and chemical plants. Shale gas production …
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Design, Modeling and Characterization of a Multiscale Heat Exchanger for High-Temperature, High-Pressure Applications
… many industrial processes, such as steam power plants, refrigeration, chemical plants, nuclear plants, refineries, and next-generation renewable energy storage processes. Recent advancements in power generation techniques and heat engine cycle structures offer potential improvements to the …
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Cogeneration as related to phosphorus incineration
… the optimum cogeneration potential of a typical chemical plant, which may be paralleled to for any given medium to large multiprocess plant. The optimum cogeneration process was weighed against process risks and economics with respect to return on dividends. Second, the optimum cogeneration …
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Catalogue Based Computer Aided Engineering (CAE) of Process Models
In chemical industries, many hardware and software problems of chemical plants become obvious during start-up and commissioning and must be corrected in a way which is resource intensive in terms of time and money. The correction procedure continues until the desired operating performance has been …
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Determining the parameters of cylinders using digital photogrammetry for application to pipe measurement in industrial plants
… and expansion of piping systems of petro-chemical plants is a complex and costly process. These costs can be reduced by knowledge of the as-built dimensions and layout of the piping system. As-built Computer Aided Design (CAD) models of such piping systems, specifically the use of Plant …
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Understanding Climate Change Adaptation and Gentrification through the Framework of Uneven Coastal Development in Keansburg, New Jersey
… and undesirable land-uses like waste dumps, chemical plants, and shipping facilities. This study examines New Jersey’s Bayshore, along the north shore of Monmouth County, as an example of a place with a dynamic and evolving role within the uneven coastal development dialectic. Although the …
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Britain's exploitation of Occupied Germany for scientific and technical intelligence on the Soviet Union
… Union: most importantly, those of atomic and chemical plants, aircraft and aero-engine factories, airfields, rocket development centres and other installations. When, in the period 1949-58, some 3,000 deported German scientists , engineers and technicians were sent back to their homeland from …
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