Group 1 - The core point of the article is that China National Petroleum Corporation (CNPC) has applied for a patent for a "passivated nickel-based hydrogenation catalyst and its preparation method and application," indicating innovation in catalyst technology [1] - The patent application was filed on July 2024, with the publication number CN121314697A [1] - The passivated nickel-based hydrogenation catalyst includes a reduced nickel-based catalyst, a first passivating agent occupying part of the pore channels, and a protective layer formed by a second passivating agent on the catalyst surface [1] Group 2 - The first passivating agent consists of high melting point wax, while the second passivating agent contains low melting point wax, with their respective contents being 0.5-15% and 0.1-5% of the total weight of the catalyst [1] - The mechanical strength of the catalyst is improved through passivation, reducing risks during storage and transportation, and allowing for a "slow release" of initial activity during use [1] - The preparation method of the catalyst is characterized by controllable passivation levels, direct feed operation, and shortened startup periods [1] Group 3 - CNPC was established in 1999 and is primarily engaged in oil and gas extraction, with a registered capital of 18,302,097,000 RMB [2] - The company has invested in 1,296 enterprises and participated in 443 bidding projects, holding 38 trademark records and 5,000 patent records [2] - Additionally, CNPC possesses 168 administrative licenses [2]
中国石油申请钝化后镍系加氢催化剂专利,可实现初活性“缓释”