DuPont Clean Technologies (DuPont) signs contracts with China Petroleum & Chemical Corporation (Sinopec) for five grassroots Stratco alkylation units at five Sinopec refineries in China. The scope of these contracts includes the license, engineering and supply of proprietary equipment for grassroots Stratco alkylation units. The most recent awards include one of China’s leading suppliers of olefins and aromatics, Sinopec Yangzi Company (YPC), as well as Sinopec Zhenhai Refining and Chemical Company (ZRCC). In the months prior to these awards, DuPont was commissioned to supply grassroots Stratco alkylation units for three other large-scale refining facilities at Sinopec Tianjin, Sinopec Qilu and Sinopec Zhongke.
Sinopec is looking to DuPont Clean Technologies for help in complying with the strict gasoline emissions regulations introduced as part of the China V standards in January 2017. The Stratco alkylation technology reportedly enables refiners to produce cleaner-burning fuel with high octane, extremely low sulfur content, low Rvp and zero olefins. The five Stratco alkylation units commissioned by Sinopec range in size from 300 kmta (7,700 BPSD) to 400 kmta (10,300 bpsd) alkylate production and will be built in Tianjin municipality and Shandong, Zhejiang, Jiangsu and Guangdong provinces. Startup for the first four alkylation units is expected by mid to late 2018.
“With more than 170 million vehicles on the road, China will adopt even tougher National VI emission standards by July 2020,” says Eli Ben-Shoshan, global business director, DuPont Clean Technologies. “We are delighted to be able to help Sinopec ensure its refineries are ready to meet strict fuel requirements with our Stratco alkylation technology.”
Stratco alkylation technology has over 90 units licensed worldwide and more than 850,000 bpsd (33,300 kmta) of installed capacity, according to DuPont. The Stratco alkylation technology is a sulfuric acid catalyzed process that converts olefins and low-value isobutane into high-value alkylate, a key desirable component for clean fuel.
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