Table 2 Summary of the characteristics of different types of fog collectors46,47,77,110,111,112,113,114,115,116,117

From: Sustainable solutions for water scarcity: a review of electrostatic fog harvesting technology

Type

Principle

Material

Ballpark (m2)

Collection location

Cost (USD)

Collection efficiency (%)

Collection rate (kg/m2/h)

Water cost (USD/L)

References

Fog mesh

Fog droplets inertia

Raschel

1

Chile

/

1% ~ 10%

0.06 ~ 0.5

0.03 ~ 0.08

47,110,111,112

Raschel

40

Morocco

1000 ~ 1500

Spacer fabric

54

Canary Islands

13,000

Polyethylene

25

Chile

400

Biomimetic fog collector

Imitation of biological microstructure

Spiderweb fiber

/

Indoor, ultrasonic fog source

/

15% ~ 30%

0.95 ~ 1.5

/

113,114,115,116,117

Lotus leaf protrusion

Gunnera leaf

Electrostatic fog collector (EFC)

Synergy between charge and electric field

Stainless steel

1

Indoor, ultrasonic fog source

4000 ~ 6000

50% ~ 90%

3.2 ~ 5.6

0.02 ~ 0.05

46,77

Janus metal mesh

0.04