Removal of Hydrogen Sulfide from Biogas Using a Red Rock

Table 1

Composition of biogas within two digesters.

Component	Biogas in digester 1	Biogas in digester 2
CH4	65-69%	70-71%
CO2	34-37%	27-29%
H2S	526-539 ppm	801-1230 ppm
NH3	18-20 ppm	20-24 ppm