TEKNOPOX 3297 Proven for Safe and Reliable CO₂ Pipeline Transport

Positive test results confirm suitability under CCS-relevant operating conditions.

Carbon Capture and Storage (CCS) is rapidly scaling worldwide — and with it, the need for safe, long-distance CO₂ transport pipelines.

Teknos is proud to share positive test results confirming that TEKNOPOX 3297 internal flow coating demonstrates stable performance under CCS-relevant CO₂ conditions — including gaseous, liquid and supercritical phases, as well as selected impurity mixtures.

We are among the forerunners in structured CO₂ flow coat testing, helping close the qualification gap for internal coatings in CO₂ pipeline applications.

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Why CO₂ Pipeline Qualification Matters

As CCS projects transition from pilot to large-scale deployment, pipeline integrity becomes a critical success factor.

Unlike conventional hydrocarbon transport, CO₂ pipelines may operate:

• In gaseous, liquid or supercritical states
• Under high pressures
• At low temperatures
• With impurities originating from capture processes
• With exposure to rapid decompression events

While steel compatibility has been widely investigated, systematic qualification data for internal flow coatings under these conditions has been limited.

TEKNOPOX 3297 was therefore subjected to an extensive, CCS-relevant test program to provide reliable, application-oriented data.

Closing the Qualification Gap for Flow Coatings

Internal flow coatings play a crucial role in pipeline performance:

• Reduce internal roughness and improve flow efficiency
• Protect against corrosion during storage and commissioning
• Minimise deposits inside the pipeline system

Despite their importance, systematic CO₂ performance data has historically been scarce.

With this structured test program, Teknos takes a leading role in CO₂ flow coat qualification, supporting pipeline operators, EPCs and technical specialists with data-driven insights.

Strong Collaboration for Reliable Results

The investigation was conducted as a joint effort between:

• Teknos – Global coatings manufacturer with extensive pipeline coating expertise
• Mülheim Pipecoatings (MPC) – Specialist in internal pipeline coating application
• Salzgitter Mannesmann Forschung (SZMF) – Independent research and testing institute

By combining coating development, application know-how and independent evaluation, the project aligns laboratory testing with real pipeline conditions.

Key Findings at a Glance

Across all investigated CO₂ conditions, TEKNOPOX 3297 demonstrated stable chemical and mechanical behaviour within the tested envelope.

✔ No blistering, cracking or delamination

✔ Adhesion comparable to unexposed reference samples

✔ No measurable thickness change

✔ No degradation after decompression or low-temperature exposure

✔ Stable performance in pure CO₂ and CO₂ with selected impurities

Long-term exposure testing did not reveal time-dependent degradation within the investigated period.

These results provide early, application-relevant qualification data supporting CO₂-ready pipeline concepts.

What This Means for Your CCS Project

Every CCS project has project-specific parameters — impurity profiles, pressure–temperature ranges and lifetime expectations.

The presented data provides:

• A robust technical baseline
• Evidence-based support for qualification discussions
• A foundation for project-specific testing and validation

Teknos supports further tailored investigations to align coating performance with your specific operating envelope.