Table 2 Reuse of Ni1Pd1/CeO2 for the decomposition of CFRP_MCDA

From: Bimetallic synergy in supported Ni–Pd catalyst for selective hydrogenolysis of C–O bonds in epoxy resins

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Entry

Catalyst

CFRP (mg)

Catalyst recovery (%)

Recovered carbon fiber (mg)

Yield of 2 (mmol)

Reusability compared to the fresh catalyst (%)

1

Fresh

200

92

106

0.087

-

2

1st reuse

192

92

106

0.080

95

3

2nd reuse

199

94

107

0.083

95

4

3rd reuse

201

96

106

0.084

97

5

4th reuse

205

92

102

0.083

93

6

5th reuse

204

93

103

0.085

96

  1. Reaction conditions: CFRP_MCDA (approximately 200 mg), Ni1Pd1/CeO2 (100 mg), DBU (0.30 mmol), NMP (2.0 mL), 180 °C, H2 (1 atm, balloon), 3 d. The recovered catalyst was washed with acetone, water, and ethanol, and calcined at 300 °C under air for 3 h and H2 for 1 h. The yield of 2 was determined by GC analysis. Pictures of CFRP_MCDA, and recovered fiber and catalyst are shown.
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