Download Chemical Feed Field Guide for Treatment Plant Operators by William C. Lauer, Michael G. Barsotti, David K. Hardy PDF

By William C. Lauer, Michael G. Barsotti, David K. Hardy

This pocket box consultant explains dry, liquid, and gasoline chemical feed structures, calibrations, and dealing with and garage necessities for varied sorts of chemical compounds utilized in water therapy.

Handy feed calculators for gasoline, liquid, and dry chemical compounds are integrated

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Additional info for Chemical Feed Field Guide for Treatment Plant Operators

Example text

The following calculators are used to determine the feeder setting and daily use for this feed situation. Table 4-2 is used for conversions from lb/day or g/hr to lb/hr, g/day, or kg/day. 8 80,000 55,556 80 50,000 72 90,000 62,500 90 100,000 144 100,000 69,444 100 150,000 216 500,000 347,222 500 200,000 288 1,000,000 694,444 1,000 * gpm = gallons per minute, mgd= million gallons per day, m3/day = cubic meters per day, L/min = liters per minute, ML/day = million liters per day. 5 mg/L. What is the gas chlorinator setting for this situation?

SCHEDULE 80 SEAMLESS STEEL PIPE EQUIPMENT ROOM EXPANSION TANKS (OPTIONAL) Cl2 PRV VENT FILTER FORGED-STEEL FITTINGS ANGLE IRON CHLORINATOR 3 ft ONE-TON TRUNNIONS Cl2 CYLINDER PIPE TRENCH VENT Cl2 GAS EVAPORATOR 5 ft 9 in. 11 ft 6 in. CHLORINE STORAGE AREA DRIP LEG 4 ft 0 in. Cl2 LIQUID From Handbook of Chlorination and Alternative Disinfectants, 4th ed. by Geo Clifford White, copyright © 1998. Reprinted by permission of John Wiley & Sons, Inc. Figure 3-1 Chlorine cylinder connection illustration Chemical Feeders Chemical feeders for gases are remarkably similar regardless of the chemical.

However, some chemicals are still used in a gas form. The chemical feed systems vary in complexity. Simple systems feed the gas directly to the application point and bubble it into the water without any intervening steps. Complex systems use both gases and liquids to produce the chemical, store batches at various strengths, and feed this material into a variable flow of water. Regardless of the degree of complexity, and using the proper procedures, feeding gases can be carried out accurately and safely.

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