Across
- 4. This type of filtration uses the name and method of the outer layer of our cells.
- 8. A step before Sedimentation which involves chlorine.
- 9. The unstable molecule provides a powerful oxidant.
Down
- 1. It is used to prevent fish and branches to enter the water pipe.
- 2. The process which includes diffusers that create air bubbles that attach to remaining floc.
- 3. The Dam is the ___________ which allows natural purification.
- 5. The process where a large tank has low water flow to allow the floc to settle.
- 6. the name of the process that adds the chemical alum.
- 7. This step removes any micro-organisms by adding disinfectant chemicals.