Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 392, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2020.122274
Keywords
Metal-organic framework; Nanosheets; Congo red; Water treatment; Adsorption
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Funding
- National Natural Science Foundation of China [51873189, 51673170, 51811530097]
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Removal of organic dyes from water by porous materials is considered as an efficient and low-cost way. Herein for the first time novel tremella-like ferrocene based metal-orgainc framework (TMOF) nanosheets designated as TFMOF were synthesized through a traditional solvothermal method. This ferrocene based TFMOF exhibit outstanding removal efficiency towards organic dye Congo red (CR) from water. After optimizing the reaction conditions, the highest adsorption capacity of 252.25 mg g(-1) could be achieved within 10 min. Furthermore, the Water treatment investigation of adsorption kinetic indicated this adsorption process could be described as a pseudo-second order Adsorption kinetic model with k(2) and q(e), of 0.0488 g mg(-1)min(-1) and 241.5 mg g(-1), respectively. The adsorption isotherm could also be described as the Sips isotherm model according to the fitting calculation. The removal efficiency could maintain around 50 % with adsorption capacity of 124.38 mg g(-1) after 3 cycles, giving the TFMOF promising potential in the practical water treatment.
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