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1st December 2023

NACAG Expands Its Horizon: Embracing abetment technology in caprolactam production for mitigating N2O emissions – first measures taken in Thailand.

Originally focused on mitigating N2O emissions in nitric acid plants, NACAG has now broadened its scope, extending technical cooperation and financial mechanisms to caprolactam production. This strategic expansion signifies a deepened commitment to combating climate change.

Caprolactam, a key element Nylon 6 fibers and resins, plays a vital role in textile and industrial fiber manufacturing. However, the production of caprolactam produces an undesirable by-product, N2O emissions with a global warming potential of 273, making it a key target in environmental protection efforts. The production similarities between caprolactam and nitric acid, in particular the oxidation process of ammonia (NH3) leading to the formation of N2O emissions, enable the application of equally successful reduction techniques used in such plants. The technical similarity between the processes facilitates the use and implementation of already proven and efficient abatement technologies. Globally, secondary, and tertiary abatement catalysts have demonstrated their efficacy in both manufacturing processes. The type of catalyst chosen is dependent on varied factors and is site specific.

A pivotal advancement in this area is Thailand’s recent commitment to climate action through the „Statement of Undertaking.“ This political collaboration, in partnership with NACAG, to lower N2O emissions, sets a significant precedent for the international community and encourages other countries to join the initiative. The potential N2O emission reductions through efficient mitigation techniques in caprolactam plants worldwide are substantial. In particular, most caprolactam production facilities are located in the same partner countries as those with which NACAG already cooperates, making the expansion a feasible and effective extension.

NACAG’s extension to include caprolactam plants signifies not only strategic adaptability but a significant step in amplifying environmental protection efforts. Together with countries like Thailand committing to climate-friendly industrial transformation, NACAG establishes new benchmarks in international cooperation for environmental conservation.

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