Open AccessPreparation of nanofluids and their applications in enhanced CO2 absorption
Author(s) -
Huiyu Han,
Xiaoxun Ma,
Long Xu
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/729/1/012110
Subject(s) - nanofluid , absorption (acoustics) , materials science , mass transfer , chemical engineering , nanoparticle , particle size , nanotechnology , chromatography , chemistry , composite material , engineering
Nanofluids opened up research in the field of thermal energy and mass transfer engineering when it was first proposed by American scientist Choi. In this paper, a two-step method was used to prepare stable nanofluids. Enhancement factor was introduced to study the enhancement of CO 2 absorption by nanofluids under different experimental conditions. The results show that the enhancement of the three nanoparticles in the same solid content is TiO 2 > Al 2 O 3 > SiO 2 ; The optimum solid content of SiO 2 and Al 2 O 3 is 0.8 g/L, and the optimum solid content of TiO 2 is 0.6 g/L; Within the scope of this study, the larger the particle size, the better the absorption effect. As the organic amine concentration increases, absorption of solution improves.