Liu Dong
2010
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Journal
Fine and Specialty Chemicals
Abstract
The application of W-2 Raney Ni in the catalytic hydrogenation of nitroarylsulfonic acid to prepare aminoarylsulfonic acid was described.Based on the experiments of the catalytic hydrogenation of m-nitrobenzenesulfonic acid,the results showed that,on the condition of reaction temperature of 80~100℃,pressure of 1MPa and reaction time of 3 hours,the content of m-aminoarylsulfonic acid achieved 99%,and the yield was up to 99% .The catalyst could be continuously reused for 20 times.