Influence of phosphorus and nitrogen co-doping of activated carbon from littered cigarette filters for adsorption of methylene blue dye from wastewater

Table 1 Surface area characteristics from BET

Sample	BET surface area (m² g^− 1)	Pore volume (cm³ g^− 1)	Micropore volume (cm³ g^− 1)	Mesopore volume (cm³ g^− 1)	Average pore width (Å)
CCF	176	0.140	0.042	0.098	31.7
DCCF	177	0.137	0.017	0.120	31.1

ISSN: 2468-2039