2011
DOI: 10.1016/j.jhazmat.2011.07.059
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Efficient capture of SO2 by a binary mixture of caprolactam tetrabutyl ammonium bromide ionic liquid and water

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Cited by 57 publications
(45 citation statements)
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“…The reason is that the absorbent can absorb the charged SO 2 with high efficiency. After that, the content of SO 2 in the absorbent is obviously influenced by temperature, which shows the same trend as the absorption of SO 2 by other recyclable absorbent [18]. It can also be seen from Fig.…”
Section: Effect Of Temperature On the Absorption Of Sosupporting
confidence: 60%
“…The reason is that the absorbent can absorb the charged SO 2 with high efficiency. After that, the content of SO 2 in the absorbent is obviously influenced by temperature, which shows the same trend as the absorption of SO 2 by other recyclable absorbent [18]. It can also be seen from Fig.…”
Section: Effect Of Temperature On the Absorption Of Sosupporting
confidence: 60%
“…Other strong bands at around 1600 cm −1 are assigned to carboxyl C = O stretching vibration . The stretching vibrations at around 1410 cm −1 is attributed to C + –N–H . The peak at wave numbers 1350–1380 cm −1 is due to C–N stretching vibration.…”
Section: Methodsmentioning
confidence: 98%
“…The in‐plane bending vibrations at 1105 and 1025 cm −1 are methyl groups . Other strong bands at around 1600 cm −1 are assigned to carboxyl C = O stretching vibration . The stretching vibrations at around 1410 cm −1 is attributed to C + –N–H .…”
Section: Methodsmentioning
confidence: 99%
“…The interaction force between the anions and the cations decreases with increasing temperature because of reducing Coulomb interactions. So with the increasing temperature, the viscosity of the ILs decreases sharply [16]. Also, the solubility of H 2 S in these ILs decreases when the temperature increases [27].…”
Section: Recycle Of the Et 3 Nhcl · Fecl 3 Ilsmentioning
confidence: 93%
“…ILs can potentially be used as liquid absorbents for inorganic and organic gases and as solvents for gas separations. Basic ILs with amino groups were synthesized and used to capture CO 2 [13][14][15] and SO 2 [16][17][18][19][20][21] and to promote hydrogenation of CO 2 [22]. Nowadays, one of the areas of active research is to explore the possibility of replacing task specific ionic liquids for conventional alkanolamine solutions in removal of H 2 S in gas sweetening processes.…”
Section: Introductionmentioning
confidence: 99%