Bio-oil Production by Hydrothermal Liquefaction of Wet Biomass of Microalgae in a Plant with Heat Recovery

10 Pages Posted: 20 Dec 2018

See all articles by M.S. Vlaskin

M.S. Vlaskin

Joint Institute for High Temperatures

A.V. Grigorenko

Joint Institute for High Temperatures

N.I. Chernova

Joint Institute for High Temperatures; Moscow State University

S.V. Kiseleva

Joint Institute for High Temperatures; Moscow State University

Vinod Kumar

Uttaranchal University - Department of Chemistry

Vikas Pruthi

Indian Institute of Technology (IIT), Roorkee - Department of Biotechnology

Date Written: December 11, 2018

Abstract

In this paper, a description of a new energy-efficient plant designed for the hydrothermal liquefaction (HTL) of microalgae, as well as the results of a study of HTL of A. platensis in the plant at 280 °C is presented. Bio-oil in this work was obtained without the use of any organic solvents. The yield of bio-oil was 29.5%. The calorific value of obtained bio-oil was 34.2 MJ/kg. The yield of the gasoline fraction of bio-oil was 26%. The paper presents computational calculations showing that HTL has a high thermodynamic efficiency due to heat recovery. Experimental exploitation of the plant showed that up to 35% of the heat energy spent on HTL is recovered by proposed heat recuperation.

Keywords: hydrothermal liquefaction, microalgae, bio-oil, heat recovery

Suggested Citation

Vlaskin, M.S. and Grigorenko, A.V. and Chernova, N.I. and Kiseleva, S.V. and Kumar, Vinod and Pruthi, Vikas, Bio-oil Production by Hydrothermal Liquefaction of Wet Biomass of Microalgae in a Plant with Heat Recovery (December 11, 2018). International Conference on New Horizons in Green Chemistry & Technology (ICGCT) 2018, Available at SSRN: https://ssrn.com/abstract=3299212 or http://dx.doi.org/10.2139/ssrn.3299212

M.S. Vlaskin (Contact Author)

Joint Institute for High Temperatures ( email )

13/2 Izhorskaya St.
Moscow, 125412
Russia

A.V. Grigorenko

Joint Institute for High Temperatures ( email )

13/2 Izhorskaya St.
Moscow, 125412
Russia

N.I. Chernova

Joint Institute for High Temperatures ( email )

13/2 Izhorskaya St.
Moscow, 125412
Russia

Moscow State University ( email )

GSP-2, Leninskie Gory
Moscow, 119992
Russia

S.V. Kiseleva

Joint Institute for High Temperatures ( email )

13/2 Izhorskaya St.
Moscow, 125412
Russia

Moscow State University ( email )

GSP-2, Leninskie Gory
Moscow, 119992
Russia

Vinod Kumar

Uttaranchal University - Department of Chemistry ( email )

Dehradun, 248007
India

Vikas Pruthi

Indian Institute of Technology (IIT), Roorkee - Department of Biotechnology ( email )

Roorkee, 247667
India

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