Removal of Hydrogen Sulfide from Biogas Using a Red Rock

Table 4

Evaluation of RR adsorbent with other materials reported in the literature.

Adsorbent	Mass (g)	Flowrate (m^3/h)	Contact time (h)	RE (%)	SCg/100 g of sorbent	Ref
WHAC-1:1-650	1	0.024	2	93	—	[11]
Red mud soil	5	0.003	1.5	—	2.1	[22]
Fe/EDTA	—	0.0159	0.8	84.5	—	[42]
OLA-TP-850	1	0.12	1.5	96	1.0	[2]
Red rock	0.6	0.006	2.5	95	0.37	Current study