Sulzer, the leader in separation and mixing technology, has completed the design, installation, commissioning and start-up of an innovative processing line to produce TDAE. This is a type of RPO with low concentrations of polycyclic aromatic hydrocarbons (PAHs) that offers a non-hazardous alternative to conventional DAE.

The new Indonesian facility includes an agitated extraction column type Kuhni^TM (ECR), a proven technology for the removal of PAH from base oil. With a diameter of 2.8 m (9 ft 2 in) and a height of 34 m (111 ft 6 in), this is the largest column of its kind and allows PT Enerco RPO Internasional to deliver high volumes of TDAE.

Thanks to Sulzer’s comprehensive technologies and support, the RPO manufacturer can strengthen its competitive role as a producer of TDAE. Roy Indra Salim, Commercial Director of Enerco, comments: “A combination of the advanced patented extraction technology from PT Enerco RPO Internasional with Kuhni Agitated Columns from Sulzer Chemtech has been the key success factor for the plant to achieve optimum performance and production efficiency levels with hydrodynamic control capabilities that can contribute to the overall reliability of the plant. The TDAE plant of PT Enerco RPO Internasional in Batam, Indonesia, can be referred to as the largest single TDAE plant in the world and is able to efficiently produce a very high and consistent quality of TDAE to improve the security of supply for green RPO (TDAE) globally.”