Advances in Chemistry / 2016 / Article / Tab 4 / Research Article
Zirconium-Doped Fungal Sorbents: Preparation, Characterization, Adsorption Isotherm, and Kinetic and Mathematical Modelling Study for Removal of Fluoride Table 4 Surface functional groups observed on the zirconium-doped fungi biomass before and after biosorption.
Before biosorption/cmā1 After biosorption/cmā1 Bands indicating functional groups Zirconium-doped Penicillium camemberti SIT-CH-1 3437 3412 -NH2 and -OH stretching 2925 2962 C-H stretching 1634 1634 C=C stretching, H-O-H bending 1385 1385 C-N deformation, Zr-OH bending 1033 1076 C-O deformation, Zirconium-doped Aspergillus ficuum SIT-CH-2 3401 3402 -NH2 and -OH stretching 2926 2926 C-H stretching 1746 1745 C=C stretching 1384 1384 C-N deformation, Zr-OH bending 1029 1035 C-O deformation, 598 544 C-C skeleton Zirconium-doped Aspergillus terreus SIT-CH-3 3413 3406 -NH2 and -OH stretching 2925 2926 C-H stretching 1640 1646 C=C stretching, H-O-H bending 1384 1384 C-N deformation, Zr-OH bending 1044 1027 C-O stretching, 556 547 C-C skeleton Zirconium-doped Aspergillus flavipes SIT-CH-4 3430 3437 -NH2 and -OH stretching 2926 2926 C-H stretching 1639 1644 C=C stretching, H-O-H bending 1384 1384 C-N deformation, Zr-OH bending 1081 1083 C-O stretching, 537 541 C-C skeleton
