Production of Biofuels and Chemicals with Ionic Liquids by Zhen Fang Richard L. Smith & Xinhua Qi

Author:Zhen Fang, Richard L. Smith & Xinhua Qi
Language: eng
Format: epub
Publisher: Springer Netherlands, Dordrecht

Biomass type

Sample preparation

Reported yield (%)

Experimental yield (%)

Duniella microalgae

Freeze dried

11.1

8.6

Chlorella microalgae

Freeze dried

11–23

38

Canola oil seed

Oven dried

42.9

44

Jatropha oil seed

Removal of shell and husk

55–58

50

Kamani oil seed

Removal of shell and husk

49

38

Pongamia oil seed

Removal of shell and husk

30–40

11

Considering the main components (e.g. polysaccharide, protein, lipids) of algae, Teixeira investigated the use of traditional ILs to extract lipids and produced chemical feedstocks from algae without acids, bases or other catalysts, which is based on the fact that a dissolution and hydrolysis of wet alga biomass in ILs. Deconstruction reached completion in <50 min regardless of algae species, at 100–140 °C and atmospheric pressure. The fast rate of hydrolysis without acids or bases suggests the ionic liquid itself is acting as both a solvent and a catalyst. Depolymerization of algae cell wall polysaccharides could result in the deconstruction of the cell wall, including the phospholipid membrane, and creation of a cell-free mixture that can be separated into constituent fractions, and result in a full separation of lipids from algae. This work presented a strategy of full utilization of algae biomass [32].

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