Page 9 - AQ242MP WW NO-CAL-2242-01-0519-water seminar
P. 9

TREATMENT OPTIONS




                                                         ULTRA-VIOLET TREATMENT

                                                          Water flows in very thin layers by UV

                                                          lamps which eliminate bacteria in a

                                                          way similar to sunrays.









                                                         OZONE DISINFECTION

                                                          Ozone-saturated bubbles are mixed
                                                          with water where the ozone eliminates

                                                          viruses and bacteria. Ozone is made

                                                          by passing oxygen through ultraviolet
                                                          light or a “cold” electrical discharge.






                                                         OTHER CHEMICAL

                                                         TREATMENTS

                                                          These  processes add  to  the  water
                                                          chemical  substances  like  chlorine,

                                                          which kill the contaminants, but do

                                                          not remove them from the water.






                                                         BOILING

                                                          Boiling  water  kills contaminants
                                                          but  does not remove them.  It also

                                                          eliminates  most  of  the  natural

                                                          minerals  and  it requires  a lot  of

                                                          energy.
                                                                                                 Page 38
                                                                                             Excercise 2



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