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Shenghong Refining and Chemical (Shenghong) has selected Shell Catalysts & Technologies (SC&T) to provide a catalyst for its C2 front-end (FE) selective hydrogenation units. These units provide the core reactions of Shenghong’s 1100 kilotons per annum (KTA) grassroots ethylene plant in Lianyungang, China. The ethylene cracker is part of Shenghong’s grassroots integrated refining and petrochemical complex. The plant is China’s third-largest ethylene cracker, making SC&T the catalyst supplier to the three largest petrochemical plants in China.

The two largest plants, Zhejiang petrochemical (ZPC) and Hengli Petrochemical, currently utilise C2 FE selective hydrogenation catalyst from SC&T, and both successfully started up in December 2019 and January 2020 respectively.

Both world-scale acetylene convertors started up with minimal flaring and emission while meeting specifications within a short period of time. SC&T C2 FE selective hydrogenation catalyst has proven multiple times to provide reliable operations at multiple feed sources and various operating conditions. These features translate to tangible benefits for ethylene producers such as higher yield, excellent ethylene selectivity and stable performance, which provide extra confidence in day-to-day operations.

Since 2017, SC&T C2 FE selective hydrogenation catalyst has been selected for the majority of high-profile grassroot ethylene plants in China. Of all the new builds in China, SC&T has captured 60% of the ethylene crackers by capacity and close to 7,000 KTA of ethylene capacity.

SC&T has been awarded seven C2 FE selective hydrogenation catalyst projects, which covers four of seven main chemical bases in China. Combined with SC&T’s existing business partnerships among Chinese ethylene plants, SC&T has expanded its catalyst sales to 17 ethylene producers in the China market.

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The business growth for SC&T in China for C2 FE selective hydrogenation catalyst is driven by a high-quality catalyst and strong technical team:

• The technical advantages of the C2 FE selective hydrogenation catalyst include selectivity and minimal flaring during startup.
• SC&T provides customers with a value-based model for the catalyst, which shows demonstrated advantages such as a quick startup process, lower pressure drop, high selectivity and stable performance that minimises runaway reactions and non-planned shutdown in normal operations.
• SC&T provides strong technical services not only during startup, but also in routine operations by helping customers optimise operations and troubleshoot process issues to achieve increased profitability.

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SC&T continues to build upon the successful completion of recent projects and ongoing operational services for petrochemical plants in the China market. SC&T provides technical services and licensed technologies which reflect many years of experience as owner-operator of large, complex industrial process plants.