Microporous MOF-5@AC and Cu-BDC@AC Composite Materials for Methane Storage in ANG Technology

Table 4

Isotherm adsorption parameters of methane on the synthesized adsorbents.

Isotherm model	Parameters	Adsorbent
		MOF-5	Cu-BDC	MOF-540% @AC	MOF-510% @AC	Cu-BDC40% @AC	Cu-BDC10% @AC	AC
Langmuir		0.23648	0.18285	0.14266	0.13577	0.12086	0.12988	0.07714
		9.11192	9.11705	8.85747	7.12896	8.68267	6.80366	6.29136
		0.99864	0.99886	0.99901	0.9976	0.99529	0.99561	0.99178
Freundlich		3.24357	2.80105	2.25553	1.76679	1.90782	1.61748	0.89296
		3.67202	3.37541	2.898971	2.857551	2.643894	2.779476	2.117881
		0.97146	0.97647	0.93882	0.98095	0.92319	0.98563	0.92945
Dubinin-Radushkevich		8.38582	7.95513	7.65061	6.0871	7.30938	5.75872	4.71858
		0.01351	0.01565	0.01869	0.01887	0.02092	0.01926	0.02697
		0.99367	0.99471	0.98483	0.99479	0.96912	0.99521	0.96889