Flash Joule heating is a relatively new method for converting organic components into turbostratic graphene. The device that enables this process presents various risks due to the use of electric current, which can be identified by a risk assessment. The risk assessment is carried out by first getting to know all the components of the device and their properties in detail. In addition, it is necessary to know the process well, as this is the only way to identify places where errors can occur and determine the phases with the highest probability of dangerous events. For a comprehensive understanding of the process and ensuring safety, it is also important to know the final product, its physicochemical properties and possible toxicological effects. The FMEA (Failure Mode and Effects Analysis) method is the most suitable for risk analysis of the device in question, as it focuses on identifying possible failure modes of individual device components, their causes and consequences. The greatest danger in the operation of the device is the very high-intensity electric current that flows in a very short time, as the entire process takes place in a few milliseconds. Due to the risks associated with the use of a Joule flash heating device, it is essential to ensure that personnel are properly trained in the safe handling of the device and use appropriate personal protective equipment. In addition, technical and safety measures already built into the device itself play an important role in reducing the risk of accidents.
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