Dechlorination of Environmental Contaminants Using a Hybrid Nanocatalyst: Palladium Nanoparticles Supported on Hierarchical Carbon Nanostructures

Table 1

Estimated surface area of Palladium nanoparticles on different supports and values of rate constants for reduction and half-life of CT (𝑘_obs, 𝑡_0.5) at [pH₂] 0.05 atm.

S. No.	Type of support	*Estimated surface area Pd area per mL of water (each support—100 mm^3), 10^−2 mm^2/mL	CT transformation rates
			𝑘obs (Hr^−1)	𝑡0.5 (Hr)
1	Pd/Foam	8.3	0.109	6.35
2	Pd/CNT/Foam	25 × 10^3	0.376	1.84
3	2x Pd/Foam	16.6	0.181	3.82
4	2x Pd/CNT/Foam	50 × 10^3	0.711	0.97

*Obtained from the data published earlier [9].