ArticleACS omega2023
Investigation into the Enhancement of Gas-Liquid Mass Transfer of Absorption of H
Article in ACS omega, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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2 authors at 1 institution in 1 country.
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Abstract
Although the addition of fine particles can enhance mass transfer, the stability of suspension is still a challenge. Responding to this, this study introduced carbon quantum dots (CQDs) with good hydrophilicity into a desulfurizer. N-doped carbon quantum dots (N-CQDs) were prepared by the hydrothermal method and characterized by TEM, FT-IR, and XPS. The stability and rheological properties of MDEA-based CQD solutions with different concentrations were studied. CQD solutions with low concentrations showed good stability, and the viscosity of CQD solutions was positively correlated with concentration and inversely correlated with temperature. The desulfurization experiment showed that the desulfurization effect and mass transfer enhancement of MDEA-based CQD solutions were coinfluenced by the viscosity and concentration of the solution; 0.01 vol % CQD solution had the best desulfurization effect, and the mass transfer coefficient was 0.66 mol/(m
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