CATALYST COMPOSITION COMPRISING RARE EARTH METAL TRIFLATE ANCHORED ON MESOPOROUS SILICATE

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The water tolerant heterogeneous acid catalyst (ICaT-2) has been disclosed herein. The catalyst of the invention comprises of rare earth metals in the form of trifluromethansulphonate anchored with hexagonal organic-inorganic functionalized mesoporous silica as base metal through organic-inorganic linkages i.e. via mercapto-groups or sulphonate groups. The said catalyst composition has the specific surface area in the range of 200 m2/g to 850 m /g and the pore diameter in the range of 20-50 A. The ICaT-2 catalyst was found to be highly active and reusable for biomass based chemicals.