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Recently, Global Beijing Company successfully developed a new carbon dioxide capture system along with its control methods. By optimizing the patent application process, it reduced the time required for patent approval, thereby paving the way for technological innovation and market application. It is reported that this system employs an innovative design for the internals of the phase separation tower as well as phase interface control methods to precisely regulate the phase separation point, effectively addressing the instability issues associated with phase transformation in existing systems and ensuring stable operation under various operating conditions. The system also provides an automatic control method for carbon dioxide capture, enabling automatic switching between single-phase and multi-phase absorption modes and significantly enhancing compatibility. Furthermore, the system is highly integrated, which reduces complexity and costs; its optimized design minimizes the space required by the equipment, thereby lowering construction and operational expenses. This system also significantly enhances the controllability of phase-change absorption, ensuring efficient and stable operation at the lowest possible regeneration energy consumption, thereby minimizing energy use and contributing to green and sustainable development. To address the challenges associated with patent applications, Global Beijing Company took the initiative to reach out to the Beijing Intellectual Property Protection Center, studied in depth the policies regarding pre-examination services, and developed a scientific and thorough plan for submitting pre-examination requests based on the actual needs of technology development. The technology development team delves deep into innovative aspects to ensure that the technical solutions are advanced and practical, while the intellectual property specialists provide professional guidance on areas such as patent strategy and claim drafting, to guarantee that the application documents meet high standards of quality and compliance. Thanks to the efficient cooperation of all parties, Global Beijing Company obtained a patent grant within three months, setting a record for the fastest time ever.