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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, specifically designed for coal-water slurry pressurized gasification in the coal chemical industry, has been successfully applied in major chemical companies. It recently passed the 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 carriers and advanced preparation techniques. This independently developed catalyst is well-suited for coal-water slurry or multi-component slurry pressurization and gasification processes. It exhibits excellent low-temperature conversion activity, easy sulfidation, and high CO conversion rates. Additionally, it offers superior strength, stability, and anti-hydration performance compared to similar catalysts globally, reaching international advanced standards. The catalyst provides strong 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 critical technical challenges and achieved successful industrial application. The project was officially recognized as a key scientific and technological innovation special fund project in Shaanxi Province in 2005.
It is reported that the RSB-M catalyst developed by the institute has now reached an annual production capacity of 500 tons. From February 2006 to the present, Shaanxi Weihe Coal Chemical Group Co., Ltd., which imported a Texaco coal-water slurry pressurized gasification plant from the U.S., conducted two successful industrial trial evaluations. In a 300,000-ton-per-year ammonia conversion plant, the RSB-M catalyst performed exceptionally under harsh conditions. The converter's hot spot temperature remained stable, with CO outlet levels ranging between 2.42% and 4.9%, and a CO conversion rate exceeding 85%, fully meeting process requirements. The catalyst particles remained intact, demonstrating strong activity and hydration resistance.