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Last week, a reporter learned from the Northwest Institute of Chemical Technology that the RSB-M high-pressure, high-vapor-pressure, and sulfur-tolerant shift catalyst has been successfully applied in large chemical companies. This catalyst is specifically designed for coal-water slurry pressurized gasification processes in the coal chemical industry. It recently passed an inspection and acceptance organized by the Shaanxi Provincial Department of Science and Technology.
Experts from the Northwest Research Institute of Chemical Industry highlight that the RSB-M catalyst was developed using unique carrier materials and advanced preparation techniques. It is well-suited for coal-water slurry or multi-component slurry pressurization and gasification processes. The catalyst exhibits excellent low-temperature conversion activity, easy sulfidation, and high CO conversion rates. It also demonstrates strong mechanical strength and stability. Compared to similar catalysts both domestically and internationally, the RSB-M shows superior activity and hydration resistance, reaching international advanced levels and offering critical technical support for China's coal chemical industry.
According to Fang Genxiang, deputy chief engineer at the Northwest Research Institute of Chemical Industry, the development of the RSB-M catalyst began in 2002 with carrier research. Following laboratory studies, catalyst scaling, a 1200-hour pilot test, and industrial trials, the team overcame key technical challenges and achieved successful industrial application. The project was recognized as a major scientific and technological innovation special fund project in Shaanxi Province in 2005.
It is reported that the RSB-M catalyst, developed by the Northwest Research Institute, now has an annual production capacity of 500 tons. From February 2006 onwards, Shaanxi Weihe Coal Chemical Group Co., Ltd., which imported a Texaco coal-water slurry pressurized gasification plant from the U.S., conducted two industrial trial evaluations and achieved success. In the dehydration section of a 300,000-ton-per-year ammonia conversion plant, the RSB-M catalyst performed exceptionally well under harsh conditions. The converter's hot spot temperature remained stable, with CO outlet content ranging between 2.42% and 4.9%, and a CO conversion rate above 85%, fully meeting process requirements. The catalyst particles remained intact, showing good activity and hydration resistance.