Table 2 Physicochemical properties of catalysts.

From: Partially sintered copper‒ceria as excellent catalyst for the high-temperature reverse water gas shift reaction

Catalyst

Cu (wt.%)a

SBET (m2·g‒1)b

H2 (μmol·g‒1)c

Integral D/F2g signald

1CuCe

0.8

86.2

α430, β124

α0.11, β0.16

5CuCe

3.4

88.2

α1191, β510

α0.47, β0.67

10CuCe

9.7

83.9

α2543, β1352

α0.60, β0.96

15CuCe

15.2

83.3

α3791, β1996

α0.65, β1.50

25CuCe

26.5

80.1

α4647, β3062

α0.75, β1.69

15CuAl

16.1

154.7

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  1. aDetermined with ICP-OES.
  2. bDetermined with N2 adsorption.
  3. cActual values of H2 consumption (α) and theoretic values of H2 consumption calculated according to Cu2+ → Cu0 (β).
  4. dD/F2g internal ratio of fresh catalysts (α) and used catalysts (β).
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