A tank truck, transporting a large amount of herbicide (in liquid form and volatile), topples over and spreads the load over a field beside the road. the liquid stays on the surface of the soil,...

A tank truck, transporting a large amount of herbicide (in liquid form

and volatile), topples over and spreads the load over a field beside the road. the liquid

stays on the surface of the soil, saturated with moisture, for a certain time before evaporating

up in the air. What model of diffusional mass transfer does it describe?

properly and allows you to calculate:

A- The limiting depth at which plant and small life

animals is virtually destroyed, assuming a given critical concentration

of herbicide and knowing the effective diffusivity of the herbicide in the soil

damp?

B- The time for the evaporation of the herbicide in the air

surrounding?

Aug 21, 2022

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