Classic Cases-Changsha Boneng Technology Co., Ltd.

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Large-Scale 1.5 Million Ton CCUS Facility

After two years of dedicated research and development, Changsha Boneng has integrated a series of key technologies in this project, including process optimization, high-efficiency low-pressure-drop packing, extra-large liquid distributors, a novel square tower structure, array-type gas distributors, anti-backflow entrainment collection trays, an ultra-efficient amine solution fugitive emission control system, and a large-span, high-strength support system, thereby establishing a comprehensive technical solution.

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R&D and Design of Complete Process Tower Internal Components for a Large Overseas Propane Dehydrogenation Unit

Leveraging its advanced multi-downcomer tray technology and drawing on more than 20 years of successful experience in PDH unit applications, Changsha Boneng has achieved significant technical optimization in this project: whereas comparable solutions in the industry typically require a tower diameter of 10 meters, its proprietary technology has reduced the diameter to 9.2 meters and shortened the tower height by 18 meters, resulting in direct capital savings exceeding RMB 30 million.

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Drawn-liquid tower for the 2 million t/a PX unit at Zhejiang Petrochemical

This project is a large-scale, key initiative in the aromatics industry, with its unit capacity and tower diameter ranking among the highest in the world. For the core unit—the aromatics extractive distillation column (with a tower diameter of 10,800 mm)—the conventional floating-valve tray design that has long been used in standard process packages has failed to achieve the expected performance during actual operation.

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Shandong Yulong Petrochemical 2 × 1.5 million tons/year Ethylene Plant

As one of the first domestically built single-train ethylene plants with a capacity of 2 × 1.5 million tonnes per year, this project is currently among the largest and most technologically sophisticated ethylene facilities in China. It also serves as a landmark initiative for Shandong Province’s transformation from old to new growth drivers and as a key project in Sinopec’s drive to localize its equipment manufacturing.

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