Review of the Pressure Swing Adsorption Process for the Production of Biofuels and Medical Oxygen: Separation and Purification Technology

Table 8

Comparison of the thermodynamic values of various adsorbents as a function of different temperatures and pressures.

Reference	Adsorbents	Temperature; K	Maximum adsorption capacity; Q	Langmuir constant (bar^-1)	Pressure Atm
[52]	Carbon molecular sieve	293	0.1170 (CO)	0.130	16
	Carbon molecular sieve	293	0.0736 (CH4)	0.232	16
[43]	Activated carbon	289.1	0.368 (CO)		—
	Activated carbon	289.1	0.350 (CH4)		—
	Activated carbon	289.1	0.411 (CO2)		—
	Zeolite 5A	289.1	0.129 (CO)		—
	Zeolite 5A	289.1	0.086 (CH4)		—
	Zeolite 5A	289.1	0.150 (CO2)		—
[53]	CMS-T3A	293	0.044 (N2)	0.105	16
	CMS-T3A	293	0.060 (O2)	0.088	15
	CMS-T3A	293	0.140 (Ar)	0.093	16
	CMS-T3A	293	0.073 (CO)	0.179	14.85
	CMS-T3A	293	0.161 (CO2)	0.983	15.5
	CMS-T3A	293	0.050 (CH4)	0.351	15
	CMS-T3A	293	0.378 (SO2)	2.253	4.5
	CMS-T3A	303	0.040 (N2)	0.102	15
	CMS-T3A	303	0.056 (O2)	0.076	14.6
	CMS-T3A	303	0.128 (Ar)	0.082	15
	CMS-T3A	303	0.073 (CO)	0.150	14.2
	CMS-T3A	303	0.158 (CO2)	0.764	15.6
	CMS-T3A	303	0.045 (CH4)	0.329	15
	CMS-T3A	303	0.365 (SO2)	2.170	4.8
	CMS-T3A	313	0.035 (N2)	0.097	14.5
	CMS-T3A	313	0.055 (O2)	0.065	16
	CMS-T3A	313	0.118 (Ar)	0.079	14.4
	CMS-T3A	313	0.071 (CO)	0.137	15.8
	CMS-T3A	313	0.154 (CO2)	0.583	15
	CMS-T3A	313	0.043 (CH4)	0.269	15
	CMS-T3A	313	0.349 (SO2)	2.163	4.7
[50]	PCB-activated carbon	295	0.088 (CH4)	0.0155	68.04
	PCB-activated carbon	295	0.148 (CO)	0.0056	51.03
	PCB-activated carbon	295	0.392 (CO2)	0.0227	37.42
	PCB-activated carbon	295	0.335 (H2S)	0.0479	13.60
[54]	Activated carbon	293.15	0.102 (CO)		20
	Activated carbon	293.15	0.080 (CH4)		18
	Activated carbon	293.15	0.308 (CO2)		10
	Activated carbon	293.15	0.014 (N2)		15
	Zeolite 5A	293.15	0.049 (CO)		17
	Zeolite 5A	293.15	0.030 (CH4)		18
	Zeolite 5A	293.15	0.202 (CO2)		17
	Zeolite 5A	293.15	0.238 (N2)		20
[55]	AC5-KS	303	0.147 (CO)		—
	AC5-KS	303	0.582 (CO2)		—
	AC5-KS	303	0.0116 (N2)		—
	AC5-KS	303	0.0973 (CH4)		—
[56]	CuBTC (KRICT)	303	0.022 (N2)	0.0386	7
	CuBTC (KRICT)	303	0.019 (CO)	0.2443	1
	CuBTC (KRICT)	308	0.444 (CO2)	0.2963	7
	CuBTC (KRICT)	308	0.056 (CH4)	0.0861	7
	CuBTC (KRICT)	343	0.014 (N2)	0.0216	7
	CuBTC (KRICT)	343	0.008 (CO)	0.0901	1
	CuBTC (KRICT)	343	0.290 (CO2)	0.1185	7
	CuBTC (KRICT)	343	0.036 (CH4)	0.0657	7
	CuBTC (KRICT)	373	0.009 (N2)	0.0152	7
	CuBTC (KRICT)	373	0.042 (CO)	0.0491	1
	CuBTC (KRICT)	373	0.187 (CO2)	0.0619	7
	CuBTC (KRICT)	373	0.024 (CH4)	0.0410	7
[57]	Cu-BTC	303	0.125 (CO)	2.4433	—
	Cu-BTC	303	0.660 (CO2)	0.3437	—
	Cu-BTC	303	0.104 (N2)	0.0386	—
	Cu-BTC	303	0.116 (CH4)	0.1416	—
[58]	Zeolite 5A	303	0.064 (CO)	0.2363	10
	Zeolite 5A	303	0.034 (CH4)	0.2003	10
[59]	TDA AMS-19	453.15	0.268 (CO2)		41
	TDA AMS-19	513.15	0.198 (CO2)		18
	TDA AMS-19	573.15	0.158 (CO2)		18
[60]	BPL 4X10 activated carbon	293.15	0.311 (CO2)	0.4	12
[61]	MG50	623.15	0.085 (CO2)	64.8	—
[62]	MG50	523.15	0.043 (CO2)		1
	MG50	623.15	0.034 (CO2)		1
	MG50	723.15	0.032 (CO2)		1
[63]		673.15	0.019 (CO2)	37.4	1
[64]		673	0.027 (CO2)	16.9	0.45
		673	0.022 (CO2)	17.0	0.58
		673	0.028 (CO2)	23.6	0.19
		753	0.025 (CO2)	19.3	0.19
[65]		673.15	0.011 (CO2)	37.4	3
		793.15	0.011 (CO2)	21.2	3
[18]	K-MG30	723.15	0.028 (CO2)	—	10.85
	K-MG30	673.15	0.022 (CO2)	—	10.85
	K-MG30	623.15	0.015 (CO2)	—	10.85
	K-MG30	573.15	0.009 (CO2)	—	10.85
[2]	CuBTC-OMC (MOF-composite)	298.15	0.191 (CO2)	—	1
	CuBTC/GO (MOF-composite)	295	0.135 (CO2)	—	1.1
	CuBTC@MWCNT (MOF-composite)	298.15	0.149 (CO2)	—	1
	Cu3(BTC)2 (MOF-composite)	298.15	0.595 (CO2)	—	18
	CG-9 (CuBTC-GO-9) (MOF-composite)	273	0.363 (CO2)	—	1