calculating chlorine dosage drinking water

  • Water Distribution Math | Chlorine Demand - YouTube

    2/3/2018· Learn about Chlorine Demand in this excerpt from our Distribution System Exam prep course. We deal with 10 lb/day of chlorine, added to a flow of 300 gpm, with a chlorine residual of 1.5 mg/L ...

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    Note that for all chlorine residual concentrations in water, values in parts per million (ppm) are equivalent to values in milligrams per liter (mg/L) (for example, 10 ppm = 10 mg/L). Table I-1. Rounded-up volumes of 5% liquid bleach that will provide approximately the indicated chlorine dose when added to the listed volume of water

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  • Chlorine Concentration Adjustment Calculator for Water ...

    This calculator can be used to adjust the chlorine concentration of water to disinfect it for drinking and also for other applications. Typical levels of free chlorine (or residual chlorine) in drinking water are 0.2 - 2.0 mg/L though levels can be as high as 5 mg/L. Chlorine that is added to water is consumed first to become combined chlorine before it can emerge as free chlorine.

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  • Pool Chemical Calculator - Pool Math for Volume and ...

    Knowing the pool volume is extremely important when adding chemicals to the water to adjust pool chlorine, pool pH, pool stabilizer, pool alkalinity, pool salt and other chemical levels. After calculating the pool volume gallons, use the other calculators to help balance the chemicals. Quickly get answers for how much chlorine to add to the pool or how to balance the pool ph and alkalinity ...

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  • How to Calculate Chlorine Dose | Sciencing

    How to Calculate Chlorine Dose. Water treatment plants convert fresh water into potable drinking water, removing contaminants and killing bacteria that are harmful when ingested. A common method of cleaning the water being processed is with the use of chlorine. When using chlorine in the water …

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  • Oregon Health Authority : Shock Chlorination for Storage ...

    Introduction This procedure is to assist water system operators in shock chlorination and includes a Shock Chlorination Calculation tool (xls) for disinfecting drinking water storage facilities. For more information about this procedure, please contact Drinking Water Services (DWS).. Shock chlorination is a procedure used whenever there is a need for emergency disinfection of tanks, wells and ...

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  • Revised February 24, 2014 Formula/Conversion Table for ...

    Revised February 24, 2014 . Formula/Conversion Table . for Water Treatment and Water Distribution . Measurement

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  • Calculating Gas Chlorine Dosage - - Shared ...

    Chlorine dosage is simply the amount of chlorine that is added to the water. Dosage can get tricky because it seems to vanish quickly after it is added to water. In reality, it does not disappear, but when chlorine is added, it chemically combines with minerals and organics in the water, changing its chemical makeup and reducing its ...

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  • Chlorine Dilution Calculator | Public Health Ontario

    Water used for drinking and cooking should be free of pathogenic (disease causing) microorganisms that cause such illnesses as typhoid fever, dysentery, cholera, and gastroenteritis.. Whether a person contracts these diseases from water depends on the type of pathogen, the number of organisms in the water (density), the strength of the organism (virulence), the volume of water ingested, and ...

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  • Water Disinfection: A Practical Approach to Calculating ...

    2 • Water Disinfection: A Practical Approach to Calculating Dose Values for Preharvest and Postharvest Applications C = Dh ÷ t or 20 ÷ 5 = 4 mg /L (4 ppm) Remember, the calculated amount may be very different from the actual dose of total hypochlo-rite solution added to the system at peak demand. The target D h is determined by the sen-

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    with "pure" chlorine by adapting them for disinfection using liquid sodium hypochlorite. CALCULATING THE CHLORINE DOSAGE USING METHOD 2 (200 mg/L solution) EXAMPLE: Among other requirements, Method 2 for disinfection of a water storage tank requires that a 200 mg per liter (200 mg/L) solution be brushed or sprayed on all surfaces that will come ...

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  • Water Treatment Design Lecture-13 Chlorination

    Gas Chlorine: Cl 2 Chlorine in Waste Water General Aspects of Chlorine Application (I) Adding chemical agents: => contaminating purified effluent => undesired side-effects and by-products Residual as advantage in drinking water turns into disadvantage in waste water: => disinfectant as contaminant Environmental and safety concerns rise costs by

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  • How to Calculate Lime Dosage Requirement ... - Water Chemistry

    Lime dosage requirement is most important process in Sedimentation Process, to separate the solids from liquid by gravity. Sedimentation is the basic process, whether water and wastewater treatment, In water treatment process, first remove Girt / fine fibers in presedimentation basin and follows coagulation–flocculation is most commonly used.

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  • SAMPLE CALCULATIONS: Chlorine Feed Rate

    SAMPLE CALCULATIONS: Chlorine Feed Rate Chlorine is added to water to kill any disease-causing organisms which may be present in the water or may enter the water as it travels through the distribution system. The two expressions most often used to describe the amount of chlorine added or required are milligrams per liter

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  • Chlorine in Drinking-water - WHO

    Water Chlorine is present in most disinfected drinking-water at concentrations of 0.2–1 mg/litre (3). Food Cake flour bleached with chlorine contains chloride at levels in the range 1.3–1.9 g/kg. Unbleached flour may contain small amounts of chlorite (400–500 mg/kg) (8). Estimated total exposure and relative contribution of drinking-water

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