Method and apparatus for continuously monitoring water being treated to remove turbidity therefrom

Claim 1

THE METHOD OF CONTINUOUSLY MONITORING WATER BEING TREATED TO REMOVE TURBIDITY THEREFROM WHICH COMPRISES THE STEPS OF: ADDING AN INORGANIC, FLOCCULATING AGENT TO SAID RAW WATER, CONTINUOUSLY WITHDRAWING A SAMPLE OF SAID RAW WATER, ADDING COAGLUANT AID TO SAID SAMPLE, PASSING SAID SAMPLE THROUGH A FILTER FOR A FIRST PREDETERMINED PERIOD OF TIME AND DISCHARGING THE SAMPLE WATER FROM SAID FILTER TO WASTE; AFTER A SECOND PREDETERMINED PERIOD OF TIME MONITORING SAID SAMPLE WATER DISCHARGING FROM SAID FRIST FILTER TO DETERMINE THE TURBIDITY THEREOF, AFTER A THIRD PERIOD OF TIME CONTINUOUSLY WITHDRAWING A SECOND SAMPLE FROM SAID WATER BEING FILTERED AND PASSING THE SAME THROUGH A SECOND FILTER FOR A FOURTH PREDETERMINED PERIOD OF TIME, AT THE END OF SAID FOURTH PREDETERMINED PERIOD OF TIME COMMENCING THE MONITORING OF THE EFFEUENT DISCHARGIN FROM SAID SECOND FILTER AND TERMINATING THE MONITORING OF THE SAMPLE WATER DISCHARGING FROM SAID FIRST FILTER, AFTER A FIFTH PEDETERMINED PERIOD OF TIME BACKWASHING SAID FIRST FILTER FOR A SIXTH PREDETERMINED PERIOD OF TIME.