Table 1 Textural properties, chemical titration results, and isolated Cu(II) contents of the catalysts

From: Unraveling the mysterious failure of Cu/SAPO-34 selective catalytic reduction catalysts

Sample

BET surface area (m2/g)a

Micropore volume (cm3/g)a

NH3 storage (mmol/g)b

H/Cu ratio (100–600 °C)c

EPR active Cu (wt%)

Cu1-F

364

0.204

0.825

1.63 ± 0.16

0.70

Cu1-LT

208

0.112

0.577

1.84 ± 0.12

0.67

Cu1-HT

184

0.097

0.314

1.18 ± 0.05

0.60

Cu1-S

86

0.042

0.114

1.98 ± 0.08

0.51

Cu2-F

456

0.241

0.874

1.65 ± 0.04

1.63

Cu2-LT

344

0.189

0.886

1.68 ± 0.09

1.42

Cu2-HT

390

0.210

0.804

1.78 ± 0.08

1.48

  1. aMeasured with N2 adsorption
  2. bMeasured with NH3-TPD
  3. cMeasured with H2-TPR