uses road accident involving a tanker causes a spill of 10 000 l of benzene into
ID: 510983 • Letter: U
Question
uses road accident involving a tanker causes a spill of 10 000 l of benzene into the soil Quick cleanup most of the substance, but some benzene reaches the shallow water table. Some of this log partition coefficient of benzene is 2.13. The aquifer material consists of sandy with a bulk density of 1.8 g cm and a porosity of 0 weight fraction of organic carbon in the aquifer sediment is 0.8 percent. The local horizontal groundwater flow velocity is y the maximum horizontal distance over which the benzene is transported in 10 years. Assume that the benzene transport is only affected by choose an appropriate relation between and K from Table 13.1) retardation. (HintExplanation / Answer
orgaic cmpounds vary in the nature.
velocity can be calculated first.
r b = Ms/Vs = 575g/400cm3= 1.44g/ cm3
Calculate the volume of a soil sample that is 12% moisture, weighs 650 g and has a bulk density of 1.3 g/cm3.
Oven dry wt. = 650g/1.12 = 580.4g
1.3 g/cm3 = 580.4g/vol. vol. = 446.4cm3
The soil bulk density (BD), also known as dry bulk density, is the weight of dry soil (Msolids) divided by the total soil volume (Vsoil). The total soil volume is the combined volume of solids and pores which may contain air (Vair) or water (Vwater)
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