By Joanne K. Price
With many labored examples, this e-book presents step by step guideline for all calculations required for wastewater therapy. Pertinent calculations are with ease summarized in every one bankruptcy. The textual content covers all of the primary math ideas and talents wanted for day-by-day wastewater therapy plant operations. The workbook for this ebook can be bought individually or jointly within the utilized Math for Wastewater Plant Operators Set (ISBN: 9781566769891).
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Extra info for Applied Math for Wastewater Plant Operators
Cl 2 =I I ll8Olbslday Hypochlorite Then calculate the gallday sodium hypochlorite: I Chemical Dosage 41 Example 11: (Chemical Dosage) 0 A flow of 800,000 gpd uires a chlorine dose of 9 mglL. If chlorinated lime (34 o available chlorine) is to be used, how many lbslday of chlorinated lime will be required? 34) = lbs/day Conc. 34 lbslgal) = lbslday 60 lbslday = Chlorine Then calculate the lbslday chlorinated lime needed: Example 12: (Chemical Dosage) O A small reservoir holds 70 acre-feet of water.
The only difference is that MG volume is used rather than MGD flow; therefore, the result is lbs rather than lbslday. ) Examples 7-8 illustrau these calculations. 1 40 Chapter 3 M U G R A M S PER UTER TO POUNDS PER DAY CALCULATIONS HYPOCHLORITE COMPOUNDS Example 9: (Chemical Dosage) O A total chlorine dosa e of 12 mg/L is uired to treat a particular water. 2 MGD an the hypochlorite has 65% available chlorine how many lbslday of hypochlorite will be required? When chlorinating water or wastewater with chlorine gas, you are chlorinating with 100% available chlorine.
25% as household bleach. 34 lbslgal) = lbslday l = 120 lbslday Now calculate the lbslday hypochlorite required. Since only 65% of the hypochlorite is chlorine, more than 120 lbs/&y will be required: 120 l b s b y Cl r 65 Avail. 34) = lbs/day Conc. flow lbslgal l1 1 i 185 lbslday Hy~ochlorite Example 10: (Chemical Dosage) O A wastewater flow of 850,000 pdires a chlorine dose of 25 mglL. If sodium hypoc orite 15%available chlorine) is to be used, how many lbs/day of sodium hypochlorite are required?
Applied Math for Wastewater Plant Operators by Joanne K. Price