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🔥 1. Flash Point
Use:
• Classification of flammable and combustible liquids.
• Designing safe storage, handling, and transport systems.
Why:
• Lower flash point = higher fire risk.
• Helps industries follow safety standards (NFPA, OSHA) to prevent fire accidents.
🔥 2. Fire Point
Use:
• Safety assessment of fuels and chemicals.
• Used in selecting safe operating temperatures.
Why:
• Fire point tells the temperature at which vapors continue to burn — important for fire hazard analysis.
🔥 3. Auto-Ignition Temperature (AIT)
Use:
• Safe design of reactors, dryers, compressors, storage vessels.
• Preventing spontaneous ignition in process areas.
Why:
• Knowing AIT helps avoid operating close to temperatures where chemicals can ignite without spark or flame.
💧 4. Boiling Point
Use:
• Distillation column design.
• Selecting cooling and heating utilities.
• Solvent recovery.
Why:
• Boiling point determines separation feasibility and energy requirements in chemical processes.
🌫️ 5. Dew Point
Use:
• Gas drying units (PSA, molecular sieves).
• Compressor and pipeline operation.
• HVAC and refrigeration.
Why:
• Condensation in pipelines causes corrosion, blockage, or water contamination — dew point control prevents this.
❄️ 6. Pour Point
Use:
• Pumping and storing oils, fuels, lubricants.
• Designing low-temperature fluid handling systems.
Why:
• Below pour point, fluid stops flowing → pipeline choke, pump failure.
• Helps select suitable temperature for storage and transfer.
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