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Vol. 31 No. 3 (2019): Vol 31 Issue 3

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Catalytic Hydrothermal Liquefaction of Microalgae using Fe-MCM 41 Catalyst in Presence of Carbon Monoxide

https://doi.org/10.14233/ajchem.2019.21782
R. Sharma
Department of Biotechnology, Uttaranchal College of Applied and Life Science, Uttaranchal University, Dehradun-248007, India
A.K. Tiwari
Centre for Renewable Energy & Sustainable Development, VIKALP (Nai Dishayen), A1/266, Safdarjung Enclave, New Delhi-110029, India
A. Singh
Department of Chemistry, Uttaranchal College of Applied and Life Science, Uttaranchal University, Dehradun-248007, India
N. Sharma
Department of Biotechnology, Uttaranchal College of Applied and Life Science, Uttaranchal University, Dehradun-248007, India

Corresponding Author(s) : R. Sharma

er.rohitbiotech83@gmail.com

Asian Journal of Chemistry, Vol. 31 No. 3 (2019): Vol 31 Issue 3

Abstract

Among the various types of biomass, microalgae have a potential to become a significant energy source for the production of third generation biofuel. The hydrothermal liquefaction is the direct biomass-to-liquid conversion route carried out in the hot compressed water with or without the presence of a catalyst. In this study, the process pressure and temperature is reduced, but at a lower temperature, bio-oil yield is not high enough to make hydrothermal liquefaction an economical technique. Thus, Fe-MCM 41 catalyst was used to increase the bio-oil yield at low temperatures (250 ºC). This catalyst increased the total bio-oil yield from 42.7 to 61.28 % in hydrothermal liquefaction of Chlorella pyrenoidosa. The bio-oil yield (%) of oil 1, 2 & 3 were 24.72, 17.08 & 19.48, respectively obtained at 250 ºC by using catalyst. Moreover, use of catalyst also resulted in the decrease in oxygen and nitrogen contents of bio-oil and consequently increases in its heating value.

Keywords

Bio-oil Hydrothermal liquefaction Fe-catalyst Chlorella pyrenoidosa Catalytic conversion
Sharma, R., Tiwari, A., Singh, A., & Sharma, N. (2019). Catalytic Hydrothermal Liquefaction of Microalgae using Fe-MCM 41 Catalyst in Presence of Carbon Monoxide. Asian Journal of Chemistry, 31(3), 690–694. https://doi.org/10.14233/ajchem.2019.21782
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