Application of FTA Analysis for Calculation of the Probability of the Failure of the Pressure Leaching Process

Autor: Peter Blaško, Martin Bezák, Juraj Kliment, Štefan Markulik, Marek Šolc, Jozef Petrík, Michaela Balážiková
Jazyk: angličtina
Rok vydání: 2021
Předmět:
inorganic chemicals
Technology
QH301-705.5
QC1-999
Monte Carlo method
Context (language use)
02 engineering and technology
engineering.material
tetrahedrite
0202 electrical engineering
electronic engineering
information engineering
media_common.cataloged_instance
General Materials Science
European union
Biology (General)
Instrumentation
QD1-999
Risk management
media_common
Fluid Flow and Transfer Processes
Fault tree analysis
arsenic pyrite
business.industry
Process Chemistry and Technology
Physics
General Engineering
Environmental engineering
technology
industry
and agriculture
021001 nanoscience & nanotechnology
Engineering (General). Civil engineering (General)
Outcome (probability)
pyrite
Computer Science Applications
Chemistry
pressure leaching
engineering
Environmental science
020201 artificial intelligence & image processing
Pyrite
Leaching (metallurgy)
TA1-2040
0210 nano-technology
business
failure tree analysis (FTA)
Zdroj: Applied Sciences, Vol 11, Iss 6731, p 6731 (2021)
Applied Sciences
Volume 11
Issue 15
ISSN: 2076-3417
Popis: European Union legislation requires organizations to assess their processes in the context of risk management. The main task of risk management is to manage all risks that can significantly affect the outcome of processes. The article is focused on risk evaluation in pressure leaching at elevated temperature using the method Fault Tree Analysis (FTA). The effectivity of pyrite and arsenic pyrite decomposition by oxidative pressure leaching is influenced by the duration of the process, by the temperature, concentration of the leaching solution and by a density of the slurry. It was found that, under equitable conditions, the arsenic pyrite decomposes more intensely than pyrite. Under laboratory conditions, leaching is performed in an autoclave. Due to the aggressive environment, increased pressure and temperature, process failure is possible. Its probability was calculated by FTA. It has been found that the probability of the top event in the examined process was disproportionately high (0.057) and represents an invitation to take corrective actions. The Monte Carlo method was used for the simulation of the effect the probability of basic events on the probability of the top event—the failure of the leaching process.
Databáze: OpenAIRE
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