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Reduction of CO₂ with H₂S in a simulated deep-sea hydrothermal vent system
- HeThese authors contributed equally to this work., Runtian, Hu, Baoyun, Zhong, Heng, Jin, Fangming, Fan, Junjie, Hu, Yun Hang, Jing, Zhenzi
- Chemical communications 2019 v.55 no.8 pp. 1056-1059
- carbon dioxide, chemical reactions, formates, hydrogen, hydrogen sulfide, reducing agents, ventilation systems
- H₂S is considered to be an important reductant in abiotic CO₂ reduction to organics, however, almost no experimental support has been reported. Herein, the first observation of CO₂ reduction to formate with H₂S under alkaline hydrothermal conditions is reported, and water is found to act as a hydrogen donor.