Facile Carbonyl Sulfide (COS) Fixation into Novel COS-Storage Materials Towards Preparation of CdS Photocatalyst for CO<sub>2</sub> Reduction and Promotion of Plant Growth

Bin  Li; Tingyu  Yang; Xiaoqing  Yue; Zhaojun  Wu; Jianbin  Zhang

doi:10.37256/sce.3120221240

Authors

Bin Li Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, China
Tingyu Yang Inner Mongolia Engineering Research Center for CO2 Capture and Utilization, College of Chemical Engineering, Inner Mongolia University of Technology, Hohhot, China
Xiaoqing Yue Inner Mongolia Engineering Research Center for CO2 Capture and Utilization, College of Chemical Engineering, Inner Mongolia University of Technology, Hohhot, China
Zhaojun Wu Inner Mongolia Engineering Research Center for CO2 Capture and Utilization, College of Chemical Engineering, Inner Mongolia University of Technology, Hohhot, China
Jianbin Zhang Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin, China https://orcid.org/0000-0001-8271-8865

DOI:

https://doi.org/10.37256/sce.3120221240

Keywords:

carbonyl sulfide, COS-storage materials, CdS nano-particles, nitro-sulfur compound fertilizer, photocatalysis

Abstract

An effective approach to the COS capture and fixation using the alcohol-amine binary systems contained Ethylene Glycol-based polyols (EGs) and Ethylenediamine-based polyamines (EDAs) under ambient conditions is developed. Fourier-Transform Infrared spectroscopy (FTIR), X-ray Photoelectron Spectroscopy (XPS) and X-Ray powder Diffraction (XRD) analyses reveal that COS is converted into thio-alkylcarbonate salts with the special chemical structures of [⁺H₃NR₁NH₃^+-OC(=S)OR₂(R₃)O(S=)CO^-]_n, which are named as a COS-Storage Material (COSSM). Notably, the COSSM is successfully applied to the synthesis of CdS Nano-Particles (NPs) for the photocatalytic conversion of CO₂ to CO and CH₄, and used as a nitro-sulfur compound fertilizer to promote plant growth. Our work has provided a readily available strategy for the green storage and sustainable utilization of COS.

Facile Carbonyl Sulfide (COS) Fixation into Novel COS-Storage Materials Towards Preparation of CdS Photocatalyst for CO₂ Reduction and Promotion of Plant Growth

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Facile Carbonyl Sulfide (COS) Fixation into Novel COS-Storage Materials Towards Preparation of CdS Photocatalyst for CO2 Reduction and Promotion of Plant Growth

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Abstract

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Facile Carbonyl Sulfide (COS) Fixation into Novel COS-Storage Materials Towards Preparation of CdS Photocatalyst for CO₂ Reduction and Promotion of Plant Growth