Table 3 Energy consumption by thermal drying in literature.

From: Coupling electro-dewatering and low-temperature air-drying for efficient dewatering of sludge

Author

Material

Energy consumption/kWh kg−1 (based on removed water)

Refs.

Zhou et al.

Waste activated sludge

1.20

39

Hong et al.

Waste activated sludge

0.40

40

Eom et al.

Sludge

Over 0.50

41

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