Gestão de riscos em uma planta industrial de beneficiamento de ouro: estudo qualitativo com APR e HAZOP
Resumen
The gold beneficiation process comprises a series of stages, ranging from ore
extraction to its processing stage. The activities involved carry a set of significant risks.
These risks encompass everything from landslides, explosions, fires to environmental
contamination, and impacts on the health of the workers involved. Furthermore, in
recent years, numerous disasters in the mining industry have shown harmful
consequences when risks are not adequately managed. In this context, risk
management along with industrial safety plays an essential role in identifying,
evaluating, and controlling potential deviations associated with the process, aiming to
protect both workers and the environment. This involves the implementation of
preventive measures to minimize accidents and prevent damages, thereby promoting
the mining industry's social responsibility. In this regard, the study's purpose is to
explore the fundamental concepts of risk management based on the APR (Preliminary
Risk Analysis) and HAZOP (Hazard and Operability Study) methodologies. Through
the APR methodology, 14 stages were evaluated, and 23 operational deviations were
qualitatively identified, with 2 of them assessed as "critical" risks. In the HAZOP
methodology, 29 nodes were assessed, and 45 operational deviations were identified,
with 14 of them rated as "serious" risks. Furthermore, through the comparison between
the two approaches, complementarity between APR and HAZOP was observed,
emphasizing that the combination of techniques provides a more comprehensive
understanding of the risks involved in gold beneficiation activities, allowing for the
identification of critical points and the proposal of corrective actions.
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