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 18 of 18 for “"Process safety"”.
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A quantitative approach for continuous improvement in process safety and reliability
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1995.
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Process Safety Data Modelling for Human-in-the-loop Configurations in Process Control: Experimental results of alarm response procedure optimisation and a real-time support strategy
L'abstract è presente nell'allegato / the abstract is in the attachment
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Developing system-based leading indicators for proactive risk management in the chemical processing industry
The chemical processing industry has faced challenges with achieving improvements in safety performance, and accidents continue to occur. When accidents occur, they usually have a confluence of multiple factors, suggesting that there are underlying complex systemic problems. Moreover, accident …
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Photochemical transformations of α-diazocarbonyl compounds in flow
… the synthetic versatility of these metal-free processes. Continuous flow technology was also applied to telescope sulfonyl azide generation, diazo transfer and subsequent photochemical reactions, enabling three steps to be carried out without the need to isolate or handle any hazardous …
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A system-theoretic approach to oil and gas assurance programs
… control assurance program, was created to ensure process safety hazards are controlled and to prevent large-scale incidents. Since its inception in 2015, WellSafe has brought incremental improvements. To continuously adapt and keep pace with the ongoing digital transformation, WellSafe must use …
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A Trusted Autonomic Architecture to Safeguard Cyber-Physical Control Leaf Nodes and Protect Process Integrity
… and susceptible to malware. Threats targeting process control are much more safety-critical than traditional computing systems since they jeopardize the integrity of physical infrastructure. Existing defence mechanisms address security at the network nodes but do not protect the physical …
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Safety On A Drilling Rig: Is It Safety Culture?
… Numerous studies and research projects on worker safety on shore (factories) have been completed through the years. Studies and research on offshore workers has not been as active, particularly on drilling rigs working in the U.S. Gulf of Mexico as other locations. While rig safety has improved …
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Investigations into Message Passing Neural Networks and Polymer Fouling
… while maintaining scalable predictivity. Process fouling is a pervasive problem in ethylene plants. Foulant, or the undesired accumulation of material, has been identified throughout process units of ethylene plants. Fouling can result in a multitude of challenges in plant production and …
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Exception Handling in Recipe-Based Batch Control
… handling of exceptions is a key element in process safety, consistent product quality, and production cost minimization. The previous work on Grafchart for sequential programming, batch process recipe handling and resource allocation is extended to also include exception handling. The work …
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CU-CATALYZED CHEMICAL VAPOUR DEPOSITION OF GRAPHENE: SYNTHESIS, CHARACTERIZATION AND GROWTH KINETICS
… understanding the kinetic features of the Cu-CVD process. This thesis presents the research aiming at these three objectives. By optimizing the Cu pre-treatments and the CVD process parameters, continuous graphene monolayers with the millimetre-scale domain sizes have been synthesized. The process …
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The identification and measurement of safety management systems : towards a behavioural response approach
… domain, but identifies specific principles of safety management applicable to mining, manufacturing, maritime and aerospace industries. Further, the application of a principled and comprehensive programme intends to provide an effective safety culture for general industry. The model addresses …
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Reachability analysis and deterministic global optimization of differential-algebraic systems
… variety of dynamic phenomena. In the chemical process industry in particular, the numerical simulation of detailed DAE models has become a cornerstone of many core activities including, process development, economic optimization, control system design and safety analysis. In such applications, …
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Comparative Case Study Analysis of Combustible Dust Explosions: Determining the Need for an OSHA Combustible Dust Standard
… dust explosion. Past Kentucky Occupational Safety and Health (KYOSH) inspection history was reviewed as well as all data collected prior to and after the explosions. The following information was reviewed: OSHA industry standards, OSHA Compliance Directives, NFPA codes and standards, …
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Multistage methanolysis of crude palm oil for biodiesel production in a pilot plant
… treatment including degumming and bleaching processes. The high content of water and free fatty acid containing in CPO requires an esterification process. The main objective of this process is to lower that value to a minimum level to avoid the undesired effects such as saponification and …
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Measuring Risks of Interdependencies in Enterprise Systems: An Application to Ghana’s Salt Enterprise
… of enterprise systems with application to salt processing enterprise in Ghana. FDNA was developed to model dependencies among members of enterprise systems by highlighting two dimensions of dependency: strength and criticality. Nonetheless, the concepts and analytics for these two dimensions of …
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The healthcare goods logistics innovation evaluation: theoretical foundations and practical applications
… on innovation in the health goods logistics process managed by hospital companies, with particular reference to the systems for the evaluation of its performance. It can be seen as an initial observation of the current knowledge in the context of healthcare goods logistics innovation within …