Generation-3 Polyamidoamine Dendrimer-Silica Composite: Preparation and Cd(II) Removal Capacity

Table 6

Comparison of G-3 PAMAM SGA Cd(II) adsorption capacity with some adsorbents reported in the literature.

Adsorbent	qe (mg/g)	Reference
Hematite	4.94	[37]
SBA-15	9.84	[44]
Bentonite-Carica papaya composite	10.9	[45]
Feldspar-pine cone composite	11.5	[46]
Wheat stem	11.6	[47]
Chitin	14.7	[48]
G-3 PAMAM-SGA	24.49	This study
STNTS-Ch beads	38.8	[49]
Orange waste	48.3	[50]
G-5-PAMAM SGA	123.4	[30]
Nanocomposite material	148.32	[51]
Silica-activated carbon (2 : 3)	178.5	[52]
Activated sludge	204.1	[53]
Biogenic Mn oxide	229.3	[54]