Environment & Ecology · Environmental Engineering
Ground water contaminated with TCE is treated with powdered activated carbon (PAC) by sorption. The adsorption isotherm is given by Qeq = 129(Ceq)0.73, where Qeq is the mass of TCE adsorbed on PAC (mg/mg PAC) and Ceq is the concentration of dissolved TCE in water (mg/L). If the initial TCE concentration in water is 1 mg/L, what mass concentration of PAC must be used (mg PAC/L water) to reduce the TCE concentration to 0.005 mg/L?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.4000 mg/L
- 20.3500 mg/L
- 30.4500 mg/L
- 40.3690 mg/L✓
Correct answer
0.3690 mg/L
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