Select the best match for each term below. A. The process used to control waterb

Question

Select the best match for each term below.

A. The process used to control waterborne pathogenic organisms and prevent waterborne disease.

B. Any physical, chemical, or mechanical process used before main water treatment processes; it can include screening, presedimentation, and chemical addition.

C. The physical process of slowly mixing the coagulated water to increase the probability of particle collision; unstable particles collide and stick together.

D. The complete killing of all living organisms.

E. Accomplished through chemical treatment—not only in the treatment process but also in the distribution process.

F. Also called clarification, this process removes settleable solids by gravity.

1. Water Pretreatment

2. Corrosion Prevention

3. Flocculation

4. Sedimentation

5. Sterilization

6. Disinfection

Explanation / Answer

1. Water Pretreatment – B

Any physical, chemical or biological process in prior to main water treatment process.

2. Corrosion Prevention – E

It’s a process of stopping metals from corroding. Inert or unreactive metals can serve this purpose.

3. Flocculation – C

It’s a process of making the particles stick together to become bigger. These combined particles can then be easily removed by the processes like sedimentation, filtration etc.

4. Sedimentation – F

It’s a process to remove suspended solids by gravity.

5. Sterilization - D

It’s a process to elimination, removal, deactivating or killing of all the life and biological agents present in the water.

6. Disinfection – A

It’s a process of destruction and deactivation of pathogenic microorganisms which results in termination of growth and reproduction of them.

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