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Table 1 Specific energy requirement and global warming potential of selected algal biomass disruption methods

From: Investigation of the disruption of algal biomass with chlorine

Algal cell disruption methods

Energy use MJ/kg dry mass

GWP (kg CO2-eq./kg dry algae)

Chlorine (this study)

3.73

0.3

Hydrodynamic cavitation

33

5.9

High speed homogenizer

67.5

12.2

Sonication

132

23.8

Freeze drying

140

25.2

Microwave

420

75.6

Bead mills

504

90.7

High pressure homogenizer

529

95.2

Pulsed electric field

860

154.8

  1. The specific energy for the existing algal cell disruption methods were obtained from literature [8], and the rest of the data in the table was estimated in this study