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Conventional Drinking Water Treatment Processes Quiz
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Conventional Drinking Water Treatment Processes Quiz

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@IndebtedMountain

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Questions and Answers

What is the purpose of coagulation/flocculation in conventional DWTPs?

To remove suspended solids by changing the electrostatic state of particles.

What is the effectiveness of coagulation/flocculation in removing CECs?

Ineffective, as only substances adsorbed to the suspended matter are removed.

What percentage of sulfamethoxazole was removed using polyaluminum chloride as a coagulant?

Less than 60%.

What impact did coagulation using aluminum sulfate have on the concentration of diclofenac according to Rigobello et al.?

<p>No impact.</p> Signup and view all the answers

What substances were reported to be removed by adding ferric sulfate, although this was achieved at laboratory conditions difficult to apply in realistic DWTPs?

<p>Diclofenac, ibuprofen, carbamazepine, and sulfamethoxazole.</p> Signup and view all the answers

What are some of the processes included in the conventional treatment of drinking water in DWTPs?

<p>Coagulation/flocculation, filtration, and oxidation/disinfection processes</p> Signup and view all the answers

What is the primary function of coagulation/flocculation in the conventional treatment of drinking water?

<p>To remove suspended solids by changing the electrostatic state of particles</p> Signup and view all the answers

What were the findings of Nam et al.'s investigation on the coagulation process for the removal of four frequent PhACs?

<p>Less than 60% of the sulfamethoxazole was removed, while less than 20% of the remaining PhACs were eliminated using polyaluminum chloride as coagulant</p> Signup and view all the answers

According to Rigobello et al., what impact did coagulation using aluminum sulfate have on the concentration of diclofenac?

<p>Shown no impact on the concentration of diclofenac</p> Signup and view all the answers

What substances were reported to be removed by adding ferric sulfate, although this was achieved at laboratory conditions difficult to apply in realistic DWTPs?

<p>Diclofenac, ibuprofen, carbamazepine, and sulfamethoxazole</p> Signup and view all the answers

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