Synthesis, Characterization, and Evaluation of the Remediation Activity of Cissus quadrangularis Zinc Oxide Nanoparticle-Activated Carbon Composite on Dieldrin in Aqueous Solution

Table 6

Comparison of adsorption capacities and other parameters for the removal of dieldrin in different adsorbent materials.

Adsorbent	Adsorbate	Surface area	Adsorption capacity (mg/g)	Concentration range (mg/l)	Contact time (hr)	Temp (°C)	pH	% Adsorption	Reference
Triolein-embedded activated carbon composite	Dieldrin	721	0.002	0.001–0.05	48	25	4–8	—	[6]
Al30/bentonite	Dieldrin	164.2	0.188	0.2	5	45	7.5	95	[52]
			0.196
			0.191
Magnetic nanospheres coated with polystyrene	Dieldrin	129	0.01	1	25			93.3	[62]
Montmorillonite kaolinite clays	Dieldrin/endrin	14.1		500–5000			5.4–7.2		[6]
Zinc oxide nanoparticles impregnated with pea peels	Chlorpyrifos		47.846				2	56%	[18]
Zinc oxide-activated carbon nanocomposite	Dieldrin		2.35	5–100	3	27	7	97	This work