Optimization of Biosorptive Removal of Dye from Aqueous System by Cone Shell of Calabrian Pine

Table 3

Biosorption efficiencies and SN ratio values obtained for all levels of factors.

Factor	Level	Biosorption efficiency.; (mg g^−1)	SN ratio
Dye concentration (mg L^−1)	40	21.51	26.53
	60	42.23	31.70
	100	52.51	34.04
Biosorbent particle size (µm)	63–125	49.11	32.58
	125–250	37.15	30.99
	250–500	29.99	28.70
Contact time (min)	30	25.38	27.63
	75	43.22	32.18
	120	47.65	32.46