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Cumulative Final Exam Review Jeopardy. Waterworks Operations III WQT 131. Corrosion. Fluoride. Disinfection. Chlorine. $200. $200. $200. $200. $400. $400. $400. $400. $600. $600. $600. $600. $800. $800. $800. $800. $1000. $1000. $1000. $1000. FINAL JEOPARDY. - PowerPoint PPT Presentation
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Cumulative Final Exam Review Jeopardy
Cumulative Final Exam Review Jeopardy
Waterworks Operations IIIWQT 131
Waterworks Operations IIIWQT 131
$200
$400
$600
$800
$1000
$200
$400
$600
$800
$1000
$200
$400
$600
$800
$1000
$200
$400
$600
$800
$1000
ChlorineDisinfection Corrosion Fluoride
FINAL JEOPARDY
Disinfection $200
Plant that contained UV for disinfection
Plant that contained UV for disinfection
Disinfection $400
Three disadvantages of UV
Three disadvantages of UV
Disinfection $600
The wave length range used to
destroy DNA via UV?
The wave length range used to
destroy DNA via UV?
Disinfection $800
Three advantages of ozone
Three advantages of ozone
Disinfection $1000
Three disadvantages of chlorine dioxide?
Three disadvantages of chlorine dioxide?
Disinfection $200-Answer
What is Canby WTP?
What is Canby WTP?
Disinfection $400-Answer
• Color less then 15 units • Turbidity must be less then 1.0 ntu• Hardness• Natural Organic Matter• Inorganics (Iron and Manganese=lamp stain)
• Mercury in Low pressure and Med lamps • Lamp longevity (8,000-10,000 hrs)• Shallow water depth • No residual• Can’t measure dosage• Does not kill viruses
• Color less then 15 units • Turbidity must be less then 1.0 ntu• Hardness• Natural Organic Matter• Inorganics (Iron and Manganese=lamp stain)
• Mercury in Low pressure and Med lamps • Lamp longevity (8,000-10,000 hrs)• Shallow water depth • No residual• Can’t measure dosage• Does not kill viruses
Disinfection $600-Answer
What is 250-270 nm?
What is 250-270 nm?
Disinfection $800-Answer
•No toxic residual!•Increases dissolved oxygen levels•No ammonia demand at pH > 9•Instantaneous disinfection= low contact time•No DBP or THM•Effective disinfection over wide range of pH and Temp
•No toxic residual!•Increases dissolved oxygen levels•No ammonia demand at pH > 9•Instantaneous disinfection= low contact time•No DBP or THM•Effective disinfection over wide range of pH and Temp
Disinfection $1000-Answer
• High cost of sodium chlorite (NaClO2)
• Chlorine (Cl2) gas safety and handling issues
• Can still form chlorates (CLO3) and chlorite (ClO2)= DPBs
• Can react with bromide
• High cost of sodium chlorite (NaClO2)
• Chlorine (Cl2) gas safety and handling issues
• Can still form chlorates (CLO3) and chlorite (ClO2)= DPBs
• Can react with bromide
Chlorine $200
Adjusting chlorine residual after treatment
Adjusting chlorine residual after treatment
Chlorine $400
Control taste, odor, and aid before coagulation/filtration Control taste, odor, and aid before coagulation/filtration
Chlorine $600
Chlorine in contact with organics and
ammonia form what two compounds?
Chlorine in contact with organics and
ammonia form what two compounds?
Chlorine $800
Chlorine destroyed by reducing agents, clay,
and silt?
Chlorine destroyed by reducing agents, clay,
and silt?
Chlorine $1000
• Beyond breakpoint these two types of chlorine compounds dominates
• Beyond breakpoint these two types of chlorine compounds dominates
Chlorine $200-Answer
What is post chlorination?What is post chlorination?
Chlorine $400-Answer
What is pre-chlorination?
What is pre-chlorination?
Chlorine $600-Answer
What is chloroorganics and
chloramines?
What is chloroorganics and
chloramines?
Chlorine $800-Answer
What is chlorine demand?
What is chlorine demand?
Chlorine $1000-Answer
Corrosion $200
Most common chemical used in the US for pH adjustment
Most common chemical used in the US for pH adjustment
Corrosion $400
The rule that requires pH to be raised after
treatment
The rule that requires pH to be raised after
treatment
Corrosion $600
Cation rich substance shown here
Cation rich substance shown here
Corrosion $800
Corrosion $1000
The process that uses limestone and salt to
make soda ash
The process that uses limestone and salt to
make soda ash
Corrosion $200-Answer
What is lime (CaO)?What is lime (CaO)?
Corrosion $400-Answer
What is Lead and Copper Rule?
What is Lead and Copper Rule?
Corrosion $600-Answer
What is scale?What is scale?
Corrosion $800-Answer
What is Langelier Saturation Index?What is Langelier Saturation Index?
Corrosion $1000-Answer
What is Solvay Process?
What is Solvay Process?
Fluoride $200
What percent of US citizens are on
public fluoridated water supplies
What percent of US citizens are on
public fluoridated water supplies
Fluoride $400
Another name for hydrofluorosilicic
acid
Another name for hydrofluorosilicic
acid
Fluoride $600
Two common types of solid fluoride
used in fluoridation
Two common types of solid fluoride
used in fluoridation
Fluoride $800
Disease shown here Disease shown here
Fluoride $1000
Instrument shown here
Instrument shown here
Fluoride $200-Answer
What is ~66%?What is ~66%?
Fluoride $400-Answer
What is silly acid?What is silly acid?
Fluoride $600-Answer
What is sodium flouride and sodium
fluorosilicate?
What is sodium flouride and sodium
fluorosilicate?
Fluoride $800-Answer
What is dental fluorosis?
What is dental fluorosis?
Fluoride $1000-Answer
What is a solution feeder?
What is a solution feeder?
Final Jeopardy
ChlorinatonChlorinaton
Final JeopardyLabel and describe what is happening in each zone (include X)Label and describe what is happening in each zone (include X)
X
Final JeopardyLabel and describe what is happening in each zone (include X)Label and describe what is happening in each zone (include X)
Breakpoint ChlorinationBreakpoint ChlorinationZone I: Chlorine is destroyed by reducing agents such as iron, manganese, clay and silt. Chlorine reduced to chloride
Zone II: Chlorine comes into contact with organics and ammonia. Chloroorganics and chloramines are formed.
Zone III: Chloroorganics and chloramines are partially destroyed. Chloramines are broken down and converted to nitrogen gas which leaves the system
Zone IV: Breakpoint. Beyond this point, free available residual is formed. Some chloroorganics still remain as combined residual.
Chlorine demand is difference between applied chlorine and the chlorine residual at any two points on the breakpoint curve.
Zone I: Chlorine is destroyed by reducing agents such as iron, manganese, clay and silt. Chlorine reduced to chloride
Zone II: Chlorine comes into contact with organics and ammonia. Chloroorganics and chloramines are formed.
Zone III: Chloroorganics and chloramines are partially destroyed. Chloramines are broken down and converted to nitrogen gas which leaves the system
Zone IV: Breakpoint. Beyond this point, free available residual is formed. Some chloroorganics still remain as combined residual.
Chlorine demand is difference between applied chlorine and the chlorine residual at any two points on the breakpoint curve.
