Research Article

TiO2 Photocatalyst Nanoparticle Separation: Flocculation in Different Matrices and Use of Powdered Activated Carbon as a Precoat in Low-Cost Fabric Filtration

Figure 5

Total solids concentrations (corrected for TS concentrations of the matrices) in 1 g/L TiO2 suspensions containing different amounts of Merck PAC or Hydraffin WG PAC in different matrices ((a), (b): 0.1 g/L NaHCO3 solution; (c), (d): 0.5 g/L NaHCO3 solution; (e), (f): 1 g/L NaHCO3 solution) subsequent to vacuum filtration over spunbond polypropylene fabrics.
602495.fig.005a
(a)
602495.fig.005b
(b)
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(c)
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(d)
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(e)
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(f)