1. ABS, 2018. Abs advisory on exhaust gas scrubber systems [WWW Document]. URL 〈https://ww2.eagle.org/content/dam/eagle/advisories-and-debriefs/exhaust-gas-scrubber-systems-advisory.pdf〉.
2. Air Quality Life Index, 2018. Air pollution reduces global life expectancy by nearly two years [WWW Document].
3. Plasma-assisted catalytic reduction of SO2 to elemental sulfur: Influence of nonthermal plasma and temperature on iron sulfide catalyst;AlQahtani;J. Catal.,2020
4. Plasma-enhanced catalytic reduction of SO2: Decoupling plasma-induced surface reaction from plasma-phase reaction;AlQahtani;Appl. Catal. B,2021
5. Apodaca, L.E., 2018b. 2018 Minerals Yearbook - Sulfur [WWW Document]. USGS science for a changing world. URL 〈https://pubs.usgs.gov/myb/vol1/2018/myb1–2018-sulfur.pdf〉.