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1. For core protective measures, anti-corrosion materials can be made of chromium-containing alloy steel (such as 13Cr stainless steel). Cr element can form a dense protective oxide layer on the surface of the steel, which greatly improves the resistance to CO₂ corrosion and is suitable for oil, gas, CCUS and other working conditions. Adding corrosion inhibitors Add imidazoline and other corrosion inhibitors to the corrosion system to form an isolation protective film on the metal surface to block electrochemical reactions. Some degradable corrosion inhibitors can also be adapted to acidic sulfur-containing working conditions. Surface coating protection: Applying epoxy anti-corrosion coating on the inner walls of pipelines and equipment to completely isolate the metal matrix from corrosive media containing CO₂ is one of the low-cost mainstream protection solutions. Optimize the operation process and adjust the working parameters to avoid the highly corrosion-sensitive range of 60-110°C and CO₂ partial pressure >0.21MPa. At the same time, it is equipped with an online monitoring system to provide real-time early warning of corrosion risks. 2. Source auxiliary control Strictly control the content of H₂O, O₂, SO₂ and other impurities from the CO₂ capture process to reduce corrosion-inducing factors, which can significantly reduce the corrosion rate of subsequent pipelines.