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Controllability analysis for process and control system design
(Dr. ingeniøravhandling, 0809-103X; 2003:76, Doctoral thesis, 2003)
Controllability is the ability of a process to achieve acceptable performance, and in this thesis we use controllability analysis in the design of buffer tanks, feedforward controllers, and multivariable controllers such ...
Sorption-enhanced steam methane reforming in fluidized bed reactors
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:116, Doctoral thesis, 2006)
Hydrogen is considered to be an important potential energy carrier; however, its advantages are unlikely to be realized unless efficient means can be found to produce it without generation of CO2. Sorption-enhanced steam ...
Mass Transport and Kinetic Phenomena in Catalytic Polymerization of Olefins
(Dr. ingeniøravhandling, 0809-103X; 2001:32, Doctoral thesis, 2001)
Synthesis of Carbon Nanofibers and Carbon Nanotubes
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:18, Doctoral thesis, 2005)
Carbon nanofibers (CNFs) and carbon nanotubes (CNTs) have attracted intense research efforts with the expectation that these materials may have many unique properties and potential applications. The most promising way for ...
Absorption of Carbon Dioxide - Modeling and Experimental Characterization
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:16, Doctoral thesis, 2004)
Recent studies on the costs of different processes for CO2 capture from power plants show that post-combustion CO2 removal by absorption with chemical solvents has the potential to remain the most important process also ...
Dynamic Simulation of a Natural Gas Liquefaction Plant
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:156, Doctoral thesis, 2004)
This thesis describes a new general purpose dynamic process simulator applied to a natural gas liquefaction plant. More specifically, the Multi Fluid Cascade Process (MFCP). MFCP is the “Statoil Linde LNG Technology Alliance” ...
Preparation and Characterization of Nanosized Structures with Applications in Bioscience and Materials
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:82, Doctoral thesis, 2004)
The so-called bottom-up approach to the fabrication of nanostructures from stable building blocks has become a popular theme in current science and engineering. This construction principle mimics e.g. biological systems ...
Separation of azeotropic mixtures : tools for analysis and studies on batch distillation operation
(Dr.ingeniøravhandling, 0809-103X; 2000:115, Doctoral thesis, 2000)
Separation of azeotropic mixtures is a topic of great practical and industrial interest. Most liquid mixtures of organic components form nonideal systems. The presence of some specific groups, particularly polar groups ...
Kinetic and Deactivation Studies of Hydrodesulfurization Catalysts
(Dr. ingeniøravhandling, 0809-103X; 2002:148, Doctoral thesis, 2002)
Hydrodesulfurization is an important part of the hydrotreating process. More stringent regulations on the quality of fuels bring new requirements to the catalytic processes. The removal of sulfur has become a key issue in ...
Modeling and Experimental Study of Carbon Dioxide Absorption in a Membrane Contactor
(Dr. ingeniøravhandling, 0809-103X; 2003:27, Doctoral thesis, 2003)
Membrane gas absorption is a new way of contacting gas and liquid for industrial scale gas purification and offers significant advantages compared to conventional absorption towers. Due to the separation of the phases by ...