We've just comprehensively updated our cryogenic ASU technology documentation featuring:

✅ Complete dual-column distillation systems - High-pressure (5.5-6.5 bar) and low-pressure (1.2-1.5 bar) column integration with shared reboiler-condenser technology

✅ Advanced cold box engineering - Aluminum plate-fin heat exchangers operating at -150°C with temperature differentials of just 1-3K for maximum efficiency

✅ Full process workflow - From multi-stage air compression through molecular sieve pre-treatment to high-purity product separation (>99.5% O₂, >99.9% N₂)

✅ Argon recovery systems - Complete crude and pure argon distillation technology achieving 99.999% purity

✅ Global industry landscape - Coverage of major technology providers from Linde and Air Liquide to Asian manufacturers like Hangyang and TNSC

Key focus: Modern tonnage ASUs producing 1,500-5,000+ TPD with energy consumption as low as 0.15-0.25 kWh/Nm³ for high-purity nitrogen through advanced internal compression technology.

Essential reference for process engineers working with large-scale cryogenic air separation technology in steel, chemicals, healthcare, and energy sectors.

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