HAZOP (Hazard and Operability Study)

Last updated 2026.02.13
HAZOP공정안전위험분석Process SafetyAI SafetyRisk Assessment

Definition

HAZOP (Hazard and Operability Study) is a structured and systematic examination technique for complex process systems to identify hazards to personnel, equipment, or the environment, as well as operability issues affecting operational efficiency. As the foremost hazard identification tool in process safety, it aims to uncover potential problems during the design phase that might otherwise remain undetected.

Application in Manufacturing

Analysis Process

  • Node Division: Breaking down complex processes into simpler sections called 'nodes' for individual review
  • Multi-disciplinary Team: Participation of experts from process, equipment, safety, and operations domains
  • Guideword Application: Using standardized guidewords like 'No', 'More', 'Less', 'Reverse' to examine potential deviations in each node
  • Qualitative Analysis: Creative hazard identification leveraging participants' intuition and judgment

Key Application Areas

  • Design verification of chemical process plants
  • Safety assessment of petrochemical facilities
  • Risk management in pharmaceutical manufacturing processes
  • Operability improvement of food processing lines

Manufacturing AI Integration

AI-enhanced HAZOP is rapidly evolving:

  • Automated Deviation Scenario Generation: AI learns from historical incident data and process information to automatically generate potential hazard scenarios
  • Real-time Risk Monitoring: AI analyzes IoT sensor data to detect HAZOP-identified risk situations in real-time
  • Knowledge Base Construction: AI learns from past HAZOP results to provide applicable insights for new projects
  • Meeting Efficiency: NLP technology for automatic HAZOP meeting minutes analysis and action item extraction

Key Points

  • Open Atmosphere: Essential to create an environment enabling critical thinking and frank opinion exchange
  • Standardized Approach: Systematic review based on guidewords minimizes omissions
  • Proactive Prevention: Thorough design-stage review prevents operational accidents and reduces costs