Deep-dive into Lummus SRT Steam Cracking Technology

Technology
Lummus SRT Steam Cracking
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Kokel, Nicolas
9/12/2025 6:14 PM



Just completed an extensive technical update of Lummus Technology's SRT steam cracking platform for our ppPLUS knowledge base. With 7 generations of evolution since 1965 and powering 51% of ethylene plants built from 2001 to 2021, this technology represents the backbone of global petrochemical production.

Key technical insights covered:
✅ Multi-pass coil configurations optimizing residence time & heat transfer
✅ Quick Quencher TLE technology achieving 10ms residence times
✅ Thermal efficiencies >94% with 28-32 GJ/MT ethylene energy consumption
✅ Run lengths of 45-120 days depending on feedstock
✅ Complete process flow from feedstock prep to cryogenic fractionation

How ppPLUS helps facility stakeholders:
🎯 Site Modeling: Detailed process parameters for existing plant optimization
🎯 Project Development: Technology benchmarking for grassroots facilities
🎯 Facility Mass Balance: From Feeds to Products including Emissions & Coproducts
🎯 Performance Analysis: Comparative data for technology selection
🎯 Technical Due Diligence: Comprehensive technology assessments

Whether you're optimizing an existing ethylene plant or developing new petrochemical capacity, our technical intelligence platform provides the depth needed for informed decision-making.

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