Chemical Feed Field Guide for Treatment Plant Operators

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ISBN: 9781583215883 | 1583215883
Cover: Paperback
Copyright: 6/1/2010

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Water treatment operators have at their fingertips chemical application and dosing information for chemicals used in coagulation, disinfection, dechlorination, prophylaxis, softening, corrosion control, and taste-and-odor control.

List of Figures	p. v
List of Tables	p. vii
About the Authors	p. ix
Foreword	p. xi
Acknowledgments	p. xiii
Chemical Feed Quality Control	p. 1
Quality Control Leads to Quality Assurance	p. 1
Chemical Selection and Dosage Determination	p. 3
Chemical Purchasing Specifications	p. 5
Storage Considerations Affecting Chemical Feed	p. 9
Feed Equipment Calibration or Verification	p. 9
Feed Rate Adjustment and Equipment Accuracy	p. 10
Chemical Inventory Control	p. 12
Chemical Addition and Mixing	p. 12
Chemical Feed Locations and Timing	p. 13
Quality Control at Each Step	p. 13
Chemical Feed-Common System Components	p. 15
Conveyance	p. 15
Dispersion	p. 18
Dosage Control	p. 23
Chemical Feed of Gases-Equipment and Systems	p. 27
Chemical Details	p. 27
Delivery and Handling	p. 31
Chemical Feeders	p. 31
Gas Feed Systems	p. 33
Feeding Gases in Water Treatment	p. 38
Chemical Feed of Gases-Calculations and Examples	p. 39
Gas Feed Directly into the Water Flow	p. 39
Ozone Feed Calculations	p. 42
Oxygen Feed System Calculation Examples	p. 43
Air Feed System Calculation Examples	p. 44
Chlorine Dioxide Feed Calculations	p. 46
Chlorine and Sodium Chlorite Feed Calculators	p. 48
Dry Chemical Feeders and Systems	p. 55
Chemical Storage and Handling	p. 59
Chemical Feeders	p. 60
Calibration Devices	p. 62
Solution Systems	p. 64
Dry Chemical Feed-Calculations and Examples	p. 67
Full-Strength Chemical Feed Calculations	p. 67
Percent Active Ingredient Chemical Feed Calculations	p. 68
Solution Preparation Using Dry Chemicals: Batch Preparation Calculations	p. 70
Chemical Usage and Inventory Control	p. 72
Liquid Chemical Feed Equipment and Systems	p. 75
Chemical Receiving and Storage	p. 76
Liquid Chemical Feed Equipment	p. 77
Liquid Chemical Feed Systems	p. 81
On-Site Hypochlorite Generation and Feed Systems	p. 84
Polymer Feed Systems	p. 85
Metering Pump Calibration	p. 89
Feeding Liquid Chemicals in Water Treatment	p. 93
Liquid Chemical Feed-Calculations and Examples	p. 95
Direct Feed Calculations	p. 95
Diluted Chemical Feed Calculations	p. 97
Relationship of Density to Specific Gravity	p. 99
Chemical Feed Rate Calculation Examples	p. 102
Calculation Starting with Different Units	p. 103
Inventory Management for Liquid Chemicals	p. 104
Chemical Feed in Dilution Tank Systems (Two-Tank Systems)	p. 107
Chemical Specification Example Language	p. 111
Conversion Factors	p. 115
Conversion of US Customary Units	p. 115
Metric Conversions	p. 119
Density Tables For Common Liquid Chemicals	p. 125
Calculator Derivations	p. 135
Gas Chemical Feed Calculators	p. 135
Dry Chemical Feed Calculators	p. 141
Liquid Chemical Feed Calculators	p. 142
Atomic Weights of Elements	p. 147
References	p. 151
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Chemical Feed Field Guide for Treatment Plant Operators

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