WATER TREATMENT

4. promotes buffer effect in boiler drum
6. destabilization of colloidal particles; addition of coagulant
8. pH corrections is achieved by using
13. removes minerals or ions
15. can be positively or negatively charged molecules
16. is deposited in boiler tube after evaporation
17. Ion exchange is a reversible chemical reaction wherein an ion (an atom or a molecule that has lost or gained an electron and thus acquired an electrical charge)
18. bubbles or froth build-up of the boiler water drum that passes out with the steam
19. includes other sources such as snow, hail, and additional types of precipitation.
20. composed of hydrogen and oxygen
24. vapor turns back to liquid
25. eating away of metals

1. It is the contamination of the steam with boiler water solids in the form of priming and foaming
2. DO is controlled by injecting this chemical
3. is the agglomeration of destabilized particles into mirofloc
5. removal of suspended solids by gravity
7. removes turbidity
9. movement of solvent molecules into a higher solute concentration
10. water treatment is also called ______ treatment
11. improves quality of water for specific end-use
12. a sudden surge of boiler water
14. use of semipermeable membrane for separation
21. positively charged ions
22. removes residual chlorine, odor, taste
23. negatively charged ions