LyondellBasell’s Wesseling/Knapsack Complex includes two manufacturing sites in the chemical region of Cologne/Rhineland that operate as an integrated facility. The Wesseling site began operation in 1953 and today comprises more than 2.7 square kilometres.
It is LyondellBasell’s largest facility in Europe. The Knapsack site, about 15 kilometers from the Wesseling site, began operation in 1970 and is located in the Chemiepark Knapsack, near the town of Hürth.

Our commitment as a socially responsible company means that we operate our facilities in a manner that protects people and the environment and preserves our world for future generations. Operational Excellence is our commitment to reliably and flawlessly execute our operations to meet our goals in safety, environmental stewardship and efficiency.

Operational Excellence enables us to build a sustainable future for ourselves and the many communities we serve.