Table 6.

CO₂ uptake capacity using various adsorbents.

Adsorbent	CO2 Uptake		Condition	Reference
	mmol/g	wt%
Valsartan metal complexes	1.53	6.8	50 °C, 4 MPa	Current work
Melamine Schiff bases	2.33	10	50 °C, 4 MPa	[35]
Polyphosphates containing 1,4-diaminobenzene	1.42	6.0	50 °C, 4 MPa	[36]
Polyphosphates containing benzidine	3.66	14	50 °C, 5 MPa	[37]
Telmisartan tin complexes	1.54	7.1	50 °C, 5 MPa	[38]