Iron Oxide Nanoparticle

The diffractogram of (a) XRD analysis and (b) FTIR spectra of porous α-Fe2O3 powder synthesized at different iron concentrations during hydrothermal process; (―0.05 M, ―0.2 M and ―0.5 M

Table 2 The Nitrogen Adsorption-desorption data

Sample

Surface area, SBET (m2/g)


Total pore volume, Vp.Total (cm3/g)

Mean pore diameter (nm)

0.05

8.576

0.08217

37.156

0.2

15.527

0.1442

38.331

0.5

2.7823

0.025713

36.967

Oil emulsion degradation under visible light irradiation ( photolysis of oil emulsion, crushed pristine hollow fiber, ■ 0.05 M α-Fe2O3 particles,  F02 α-Fe2O3 particles and  0.5 α-Fe2O3 particles) and (b) Oil emulsion degradation under visible light irradiation (● 0.05 hollow fiber,  F05 hollow fiber)