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Research Article

Natural Nanofibrous Cellulose-Derived Solid Acid Catalysts

Table 3

Catalytic performance of the catalysts tested for esterification of oleic acid with methanol.


EntryCatalystConversion (%)TOF (h−1)

1BC-CNFs-400-SO3H90.418.3
2BC-CNFs-600-SO3H87.915.6
3BC-CNFs-800-SO3H80.39.5
4BC-CNFs-400-SO3H∗97.229.3
5BC-CNFs-40019.11.23
6H2SO498.341.6
7Amberlyst-1542.48.86
8Nafion R-110013.20.48
9H-ZSM-510.90.88
10H-Mordenite12.20.53
11Niobic acid13.30.21

TOF is calculated by the conversion of oleic acid per acid site per hour with conversion less than 40%; the active sites are defined as H+ measured by acid-base titration method.