Encyclopedia of Environmental Science and Engineering, Volume I and II

OIL SPILLAGE INTO WATER—TREATMENT 811

Oil Droplets

Dispersant

Dispersant Prevents Coalescence Of Droplets

FIGURE 6 Dispersant maintains oil droplets in suspension with mild agitation..

a) Oil Spill

b) Dispersant Reduces Interfacial Tension

c) Agitation Readily Forms Oil Droplets

Mixing Prop

Water

Fine Oil

Droplets

Water Soluble

Oil Soluble

Water

Surfactant

Water

Oil

γ

γ

γ

o

w

o/w so/w

FIGURE 5 Dispersant enhances droplet formation.

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