Across
- 3. short form of the process that uses air bubbles to attach to the remaining floc.
- 5. This part of the cell only allows water particles to pass through and this filtration acts the same way.
- 8. Slow water flow that allows the floc to settle.
- 9. Addition of disinfectant chemicals that helps remove micro-organisms.
- 10. the final step to remove remaining floc and particles.
Down
- 1. This process keeps the water contained until you need to use it.
- 2. It blocks fish and large materials to enter the water pipe.
- 4. The addition of alum causing sand particles and bacteria to join together.
- 6. This allows natural purification throughout a long period of time.
- 7. Unstable molecule that releases a powerful oxidant that kills most water born organisms.