(2016) Scientific Reports_Performance comparison of MOF and other sorbent materials in removing key odorants emitted from pigpen slurry

Ahmed E., Deep A., Kwon E.E., Brown R.J.C., Kim K.-H.

(Nature Publishing Group) Scientific Reports ISSN: 20452322 Vol.6 Issue. Article No.31283 DOI: 10.1038/srep31283

A batch-type dynamic headspace (HS) system was used to generate vapor-phase volatile organic compounds (VOCs) from a pigpen slurry sample. Sorptive removal capability of MOF-199 and other sorbents (zeolite (ZL) and activated carbon (AC)) was assessed against a total of 13 slurry-borne odorants ((methyl ethyl ketone (MEK), isobutyl alcohol (i-BuAl), benzene (B), toluene (T), p-xylene (p-X), m-xylene (m-X), o-xylene (o-X), styrene (S), o-cresol (o-C), phenol (PhAl), p-cresol (p-C), indole (ID), and skatole (SK)). Adsorption capacity of MOF-199 and two sorbents, when assessed for the 13 odorants at a 10% breakthrough volume (BTV), was 22.6±42.3, 0.70±1.08, and 11.0±18.3 μg^-1, respectively. The adsorption capacity (μg g-1) assessed at 10% BTV showed the superiority of MOF-199 towards phenolic and indolic compounds (such as o-C (0.31±0.04), PhAl (61.6±4.98), p-C (140±7.95), ID (27.8±2.23), and SK (63.9±1.55)), demonstrating the feasibility of MOF as sorption media for treating certain nuisance components. © The Author(s) 2016.