Open AccessStudy on the adsorption of Rhodamine B on MoS2/RGO composite
Author(s) -
Trang Phan Thi Thuy,
Tam Truong Thanh,
Vien Vo,
Lien Nguyen Hong
Publication year - 2020
Publication title -
xúc tác và hấp phụ
Language(s) - English
Resource type - Journals
ISSN - 0866-7411
DOI - 10.51316/jca.2020.070
Subject(s) - adsorption , graphene , rhodamine b , langmuir adsorption model , composite number , oxide , chemical engineering , materials science , chemistry , inorganic chemistry , nanotechnology , composite material , organic chemistry , metallurgy , catalysis , photocatalysis , engineering
In this study, MoS2/RGO (reduced graphene oxide) composite material was synthesized and tested for adsorption of RhB in water. The adsorption studies were carried out at room temperature and the effects of pH, amount of adsorbents, concentration of adsorbate and time of adsorption on the adsorption were measured. In addition, the dynamics of the adsorption process was also investigated. The results showed that the MoS2/RGO composite displayed toward RhB with maximum adsorption capacity reaching q = 57.79 mg/g at pH = 3.54 and the adsorption process follows the Langmuir adsorption isotherm with the pseudo-second-order model. Findings from this research indicated that the graphene based semiconductor MoS2/RGO composite could be considered a promising adsorbent for removal of organic dyes from waste waters.