DOI 10.1016/j.jhazmat.2021.127667 KEYWORDS Biogenic sulfur; GC-PFPD; toluene; filtration; response surface methodology   ABSTRACT Suspended biomass bioreactors can be operated to remove H2S from biogas under anoxic conditions and produce elemental sulfur, the commercial value of which has been demonstrated. In the present paper, a novel methodology comprising the optimization of a determination method performed in a gas chromatograph equipped with a […]