US 11,969,690 B1
الصحة - Health
2024
مكتب البراءات الأمريكي - US Patent Office
Aamir; Muhammad (Al-Ahsa, SA), Hassan; Muhammad (Al-Ahsa, SA), Zhao; Chao (Al-Ahsa, SA)
Methods and systems for scrubbing and removing hydrogen sulfide from a biogas. The methods and systems use a hydrogen sulfide removal media comprising biomass derived biochar, activated carbon, silica gel, and metal organic framework inside a tube through which the biogas passes to scrub the hydrogen sulfide from the biogas. The methods and systems are capable of achieving are about 95% reduction of hydrogen sulfide present in the biogas.