Given the data in Example 3.10, calculate the mass of MTBE adsorbed to granular

Question

Given the data in Example 3.10, calculate the mass of MTBE adsorbed to granular activated carbon at equilibrium [mg MTBE / g GAC], if the concentration of MTBE is 30.0 mg/L. Calculate the Koc (cm3 / g OC] for TCE in a soil system with an organic content of 3.2% organic matter. TCE has a K value of 102.28 cm3/g sediment. A groundwater sample was found to have 35 mu g/L of the compound alachlor. Samples of the aquifer material indicated an organic content of 2.5%. Using the Kow value from Table 3.12, and Figure 3.10, estimate the amount of alachlor adsorbed to the aquifer material, [mg alachlor / g sediment]. Hint: Assume a linear isotherm. Sediment samples from a contaminated riverbed contain 782 mg DDT / g sediment. If the organic content of the sediment is 12%, estimate the concentration of DDT in the pore water. [mu g/L DDT]. Hint: Assume a linear isotherm and use Table 3.12 and Figure 3.10. from the text. from the text.

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