Table 5.

Characteristics of nanocomposite sorbents and saponite porous structure

Characteristic	Saponite	MCS 2	MCS 4	MCS 7	MCS 10
Specific surface area S, m2/g	34.64	53.03	55.76	53.38	69.07
Surface area of micropores S micro, m2/g	9.59	17.38	18.10	12.16	–
External surface area of pores S ext, m2/g	25.05	35.64	37.66	41.68	69.07
Total pore volume V total, ml/g	0.1139	0.1441	0.1455	0.1464	0.3058
Volume of micropores V micro, ml/g (%)	0.0054 (4.74)	0.0089 (6.18)	0.0091 (6.25)	0.0064 (4.37)	–
Volume of mesopore V meso, ml/g (%)	0.0307 (26.95)	0.1109 (76.96)	0.1137 (78.15)	0.1210 (82.65)	0.2876 (94.05)
Average pore diameter d a, nm	12.00	10.39	10.0	10.56	17.66
Preferred pore diameter d p, nm	60.57	4.32	4.21	4.27	18.52