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At 20:50 on August 8, 2020, all indicators of the hydrogenated gasoline produced by the 400,000 tons/year cracking gasoline hydrogenation unit of BLYB Chemical Co., Ltd. passed the test, marking that this new unit, which adopts SEI's completely independent intellectual property technology and is designed by SEI, has been successfully started up in one batch ../.. On the afternoon of August 7, the device officially introduced crude pyrolysis gasoline, replaced the start-up oil in the system, and adjusted the operating parameters of the separation system in a timely manner. At noon on August 8, the first stage hydrogenation system was fed, and the reactor bed gradually heated up; the second stage hydrogenation system maintained hydrogen circulation, adjusted and stabilized the pressure, and the reaction bed heated up, ready for material at any time. In the afternoon, qualified first stage hydrogenation gasoline was introduced into the second stage hydrogenation system, and the hydrogenation gasoline product analysis was qualified that evening. (Source)