Core Insights - Hainan Free Trade Port has achieved a significant technological breakthrough in green low-carbon development with the successful production and stable operation of a carbon dioxide capture and liquefaction facility by China National Petroleum Corporation's Southern Oilfield [1] Group 1: Technological Advancements - The carbon dioxide capture liquefaction facility in Hainan has efficiently captured, purified, and liquefied carbon dioxide from associated gas in oil fields [1] - The facility has reached a production capacity of over 100 tons of liquid carbon dioxide per day [1] Group 2: Industry Impact - This advancement marks a key step in the industrialization of carbon capture, utilization, and storage, providing strong technological and industrial support for the construction of a world-class ecological civilization pilot zone in the Hainan Free Trade Port [1] - The Southern Oilfield is actively exploring cutting-edge carbon storage technologies, optimizing capture processes, and establishing a comprehensive monitoring system [1] Group 3: Environmental Goals - The project has achieved long-term stable storage of carbon dioxide, contributing to the establishment of a safe and low-carbon energy system for Hainan Free Trade Port [1]