Lummus Technology Launches Thermacrack C5 Technology

New Solutions Lummus Technology Launches Thermacrack C5 Technology

2026-05-29 Source: Press release Lummus Technology 1 min Reading Time

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Lummus Technology has recently announced the commercial launch of the Thermacrack C5 technology. The new technology aims to increase production efficiency and reduce capital investment for specialty chemicals.

Lummus Technology recently announced the commercial launch of Thermacrack C5. (Source: Lummus Technology) — Lummus Technology recently announced the commercial launch of Thermacrack C5.
(Source: Lummus Technology)

Texas/USA – Lummus Technology recently announced the commercial launch of Thermacrack C5. The new technology will help producers increase production efficiency and reduce capital investment for specialty chemicals.

This launch builds on the success of the widely adopted Thermacrack C4 process, commercially demonstrated for MTBE and ETBE backcracking to produce high‑purity isobutylene, as well as Lummus’ experience in Tame production, the primary feedstock for isoamylene. Thermacrack C5 extends this proven platform to C5 streams and leverages established backcracking and feedstock capabilities to produce isoamylene.

“With Thermacrack processes, we can deliver an effective solution that directly addresses our customers’ needs for efficiency, performance, reliability and product quality,” said Romain Lemoine, Chief Business Officer, Lummus Technology. “This technology enhances production economics while supporting growth in high‑value specialty applications such as adhesives, antioxidants and performance additives.”

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Key Advantages for Producers:

High‑purity isoamylene production with improved conversion and selectivity

Reduced byproduct formation, simplifying downstream processing

Lower energy consumption improves operating economics and reduces emissions

Reliable, continuous operation with reduced downtime

Flexible integration with existing units enables seamless retrofits or expansions

Lummus is a leading licensor of etherification and backcracking technologies, supported by a global installed base and decades of operating experience. The Thermacrack platform extends the company’s ability to deliver high‑value conversion solutions across a broader range of feedstocks, helping customers maximize asset performance and capture new market opportunities.

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