中国石油取得乙烯裂解气脱酸性气单元黄油减量化方法及装置专利

Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has obtained a patent for a method and device related to reducing the amount of acidic gas in ethylene cracking gas, with the patent number CN116351212B and application date of December 2021 [1] - CNPC was established in 1999 and is based in Beijing, primarily engaged in oil and gas extraction [1] - The registered capital of CNPC is approximately 18.3 billion RMB [1] Group 2 - CNPC has made investments in 1,296 companies and has participated in 443 bidding projects [1] - The company holds 38 trademark registrations and has 5,000 patent records [1] - CNPC possesses 168 administrative licenses [1]