Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, ACS Sustainable Chemistry & Engineering called Influence of Loading a Tertiary Amine on Activated Carbons and Effect of CO2 on Adsorptive H2S Removal from Biogas, Author is Quan, Wenying; Jiang, Xiao; Wang, Xiaoxing; Song, Chunshan, which mentions a compound: 111-18-2, SMILESS is CN(C)CCCCCCN(C)C, Molecular C10H24N2, Related Products of 111-18-2.
This work studied the effect of loading a tertiary amine on activated carbons (ACs) and the effect of CO2 on adsorptive H2S removal from biogas. After loading a tertiary amine, tetra-Me hexanediamine (THMDA), the H2S adsorption capacity increased for all ACs but with different levels. Detailed characterization results (TGA-MS, TGA/DTG, and in situ FT-IR) demonstrate the TMHDA-induced changes of surface oxygen or nitrogen functional groups, pH value, and textural properties and their impacts on H2S adsorption performance, which also varied with CO2 concentrations On bare AC adsorbents, the H2S adsorption is attributed to the surface oxygen functional groups, whereas on tertiary amine-loaded ACs, the H2S adsorption is due to the interaction between H in H2S and N in the amine group. The presence of CO2 can promote H2S adsorption on some ACs and THMDA-loaded ACs. The formation of solid sulfur and CH4 was observed for the H2S adsorption in the presence of CO2. Improvement in H2S adsorption capacity was highlighted on active carbon-supported tertiary amine adsorbents, and its correlation with physicochem. properties was discussed.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica