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Volume 4
Trends in Green Chemistry
ISSN: 2471-9889
Page 74
JOINT EVENT
Environmental Chemistry 2018 &
Green Technologies 2018
September 20-22, 2018
September 20-22, 2018 Berlin, Germany
&
7
th
Edition of International Conference on
Green Energy, Green Engineering and Technology
8
th
International Conference on
Environmental Chemistry and Engineering
Intensification of mass transfer process using deep eutectic solvents and nanosuspensions
Anamarija Mitar
and
Jasna Prlić Kardum
University of Zagreb, Croatia
I
n an attempt to reduce the usage of hazardous solvents and procedures in industrial processes, replacement of conventional
organic solvents has become an important area of research. Research and application of deep eutectic solvents (DESs) in
extraction processes, due to their green character, provide many options and could significantly contribute to the advancement
of green technologies and reduce the negative impact of industry on the environment. DESs are applied in the processes
of extractive desulfurization and denitrification instead of conventional catalytic processes hydrodesulfurization (HDS) and
hydrodenitrification (HDN). These classical processes require high costs due to high temperatures and pressures and the use
of considerable amounts of hydrogen and catalysts in the process. Moreover, HDS and HDN aren’t very successful in removing
cyclic sulfur and nitrogen compounds such as thiophene, dibenzothiophene, carbazole and pyridine. This study examines
mass transfer in extraction processes by using DESs and possible improvement of mass transfer with nanosuspensions. It is
known that the application of nanosuspensions improves thermal properties as a result of Brownian motion of well dispersed
nanoparticles within the suspension. Improvements of mass transfer by diffusion and/or convection can be expected due to
heat and mass transfer analogy. The experiments are focused towards preparation of stable nanosuspensions with DESs as
base fluids, their implementation and achieving improvements in the extraction of thiophene (sulfur compound) and pyridine
(nitrogen compound) from model fuel FCC gasoline. Extractive denitrification proved to be more successful process than
extractive desulfurization due to higher solubility of pyridine than thiophene in DESs. Furthermore, extraction with DESs and
nanosuspensions showed better performance compared to extraction with conventional solvents.
Recent Publications
1. Zhang Q, De Oliveira Vigier K, Royer S and Jerome F (2012) Deep eutectic solvents: syntheses, properties and
applications. Chem. Soc. Rev. 41:7108-7146.
2. RogošićM, Sander A and PantalerM(2014) Application of 1-pentyl-3methylimidazoliumbis(trifluoromethylsulfonyl)
imide for desulfurization, denitrification and dearomatization of FCC gasoline. J. Chem. Thermodyn. 76:1-15.
3. Yin J, Wang J, Li Z, Li D, Yang G, Cui Y, Wang A and Li C (2015) Deep desulfurization of fuels based on an oxidation/
extraction process with acidic deep eutectic solvents. Green Chem. 17:4552-4559.
4. Krishnamurthy S, Bhattacharya P, Phelan P E and Prasher R S (2006) Enhanced mass transport in nanofluids. Nano
Lett. 6:419-423.
5. Bahmanyar A, Khoobi N, MozdianfardMR and Bahmanyar H (2011)The influence of nanoparticles on hydrodynamic
characteristics and mass transfer performance in a pulsed liquideliquid extraction column. Chem. Eng. Process.
50:1198-1206.
Biography
Anamarija Mitar is a Postgraduate PhD student of Chemical Engineering and Applied Chemistry on Faculty of Chemical Engineering and Technology, University
of Zagreb. Her scientific activity began in the development of green technology. Attention is focused on the development of new, environmentally friendly solvents
(ionic liquids and deep eutectic solvents) which would satisfy the technological and economic requirements. The areas of her scientific research are thermal
separation processes; extraction using green solvents and transport properties of nanofluids.
amitar@fkit.hrAnamarija Mitar et al., Trends in Green chem 2018, Volume 4
DOI: 10.21767/2471-9889-C2-012