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Welcome to Chemical Treatment...

Chemical Treatment (View Periodic HyperChart)

of drinking water is an exacting process. Your Water Treatment Plant takes a number of steps to make sure it's done correctly!...Untreated surface waters contain clay, minerals, bacteria, inert solids, microbiological organisms, and other suspended materials. Some microbiological organisms can include: Giardia Cysts, Cryptosporidium, and other viruses. all of these materials can interfere with disinfection, cause problems in the distribution system, & leave the water cloudy instead of clear/colorless. The purpose of chemical treatment is to remove these particles, disinfect the water (kill bacteria), & protect the distribution system.
There is a chemist working in the lab 24 hours a day (I have been practicing organic chemistry for 12 years). Every 3 hours, water quality is monitored at all stages of treatment. As the quality of water changes, the chemist will coordinate chemical dosage changes with the Treatment Plant Operations Crew Chief (also on duty 24 hrs a day). Severe changes in water quality, and or rate of flow, require notification of plant management or standby engineers.

Both the Chemist, and the Operations Crew Chief are highly specialized positions. The TPOCC is responsible for: The transport of water to meet Load Control's demand..The computer (or manual) control of all chemical feed systems & their associated calculations for inventory... Supervising the Filter Operator (TPO)...record/data keeping..and many other operational duties.
For the Chemist, thorough knowledge of water chemistry and the hydraulic profile of the plant are essential to the correct treatment of water...They are essentially responsible for the quality of water that reaches your tap. To quote a water treatment plant manager: "In the water treatment process, we CANNOT make mistakes! It has to be right ALL the time. At Your local treatment plant, it's as good as it gets!
In general, chemicals are added to cause coagulation of suspended matter (turbidity), kill bacteria, control pH, control corrosion, and other public health concerns. At Your WTP the following chemicals available to aid in producing the finest quality water anywhere in the world:
    1. Ferric Chloride/or Aluminum Sulfate (Alum)
    2. Chlorine/Chlorine Dioxide
    3. Calcium Oxide (Lime)
    4. Carbon
    5. Cationic Polymer
    6. Ammonia
    7. Zinc Phosphate
    8. Fluoride
Click Here to move to Floculation/Secondary Sedimentation our next step in water treatment
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Melting Point +-5C________________ Boiling Point +-5C
Index of Refraction, nD20 +-0.005_ Molecular Weight +-2amu
Formula: C H N O Cl Br I S
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UV Absorption Wavelengths:

, , +-5 nm

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, , , m/e

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No Carbonyl present_ Carbonyl present
No Aromatic present_ Aromatic present
No OH or NH present OH or NH present
CH type:
no C-H saturated C-H unsaturated C-H both saturated and unsaturated C-H

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Here are links to publicly accessible MSDS information. The first form allows searches of a local database of chemical names linked to MSDS pages hosted on gopher servers at the University of Utah Department of Chemistry and Oregon State University. The link to the Case Western Reserve University Department of Biochemistry Gopher searches the same Utah database. Individual MSDS's can be printed or saved using the appropriate Web Browser commands.
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