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20^th April 2021 | Technip Energies announces completion of work on China’s largest liquid-ethylene cracker

Technip Energies (Paris, France) has provided the proprietary technology and process design for Hengli Petrochemical (Dalian) Chemical Co. Ltd.’s (Hengli) liquid ethylene plant in Dalian, Liaoning Province, China. The plant’s capacity is 1,500,000 metric tons per year (m.t./yr).

The plant successfully started up and reached its capacity shortly after the start-up, and despite COVID-19 context, passed all performance guarantees and the final acceptance test in the fourth quarter. Known as the largest liquids ethylene cracker in China, the plant was completed and started up in 13 months since commencement of the construction, as part of a major refinery complex which broke ground in 2017.

In addition to the ethylene cracker technology, Technip Energies provided key proprietary technology components including a Heat Integrated Rectifier System, Ripple Trays and Wet Air Oxidation process. Technip Energies’ Ultra Selective Conversion (USC) U-coil and W-coil ethylene technology combines high energy efficiency and high yields, resulting in CO₂ emissions reduction. It ranks in the 1^st quartile of comparable crackers for lowest CO₂ production per relative amount of high value chemical production.