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Purpose of Wastewater Treatment

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Questions and Answers

What is the main purpose of wastewater treatment?

To add contaminants to water

To contaminate the receiving water

To remove and properly dispose of contaminants by the most practical and economic means (correct)

To increase the acidity of wastewater

What type of water is typically found in industrial plants in Canada?

Spring water

Rain water

Boiler blowdown water (correct)

Potable water

What is a key factor affecting water quality?

Oxygen demand levels (correct)

Turbidity

Salinity

pH level

What is the term for the adverse effects of chemicals on human health and well-being?

Toxicity Signup and view all the answers

What is the purpose of controlling wastewater parameters?

To allow wastewater to be discharged back into the environment Signup and view all the answers

What is an example of wastewater that can come from agricultural activities?

Agricultural pesticides Signup and view all the answers

What is the maximum allowable concentration of Cadmium in water?

0.005 mg/L Signup and view all the answers

What is the pH range for wastewater to ensure it does not harm aquatic life?

6.5-8.5 Signup and view all the answers

What is the effect of high temperature wastewater on receiving water?

It decreases oxygen levels Signup and view all the answers

What is the purpose of retention ponds in wastewater treatment?

To allow wastewater to cool Signup and view all the answers

What does BOD measure?

The rate at which microorganisms consume oxygen in water Signup and view all the answers

What is the role of the Canadian Council of Ministers of the Environment (CCME)?

To recommend a common level of environmental quality across Canada Signup and view all the answers

Which act includes wastewater quality regulations that apply only to federal government operations, federal lands, and aboriginal lands in Canada?

Canadian Environmental Protection Act Signup and view all the answers

What is the effect of high BOD and COD levels on aquatic life?

They decrease oxygen levels Signup and view all the answers

What is the maximum allowable concentration of Lead in water?

0.010 mg/L Signup and view all the answers

What is the purpose of cooling towers in wastewater treatment?

To expose wastewater to air, increasing dissolved oxygen Signup and view all the answers

Purpose of Wastewater Treatment

Choose a study mode

Podcast

Questions and Answers

What is the main purpose of wastewater treatment?

What type of water is typically found in industrial plants in Canada?

What is a key factor affecting water quality?

What is the term for the adverse effects of chemicals on human health and well-being?

What is the purpose of controlling wastewater parameters?

What is an example of wastewater that can come from agricultural activities?

What is the maximum allowable concentration of Cadmium in water?

What is the pH range for wastewater to ensure it does not harm aquatic life?

What is the effect of high temperature wastewater on receiving water?

What is the purpose of retention ponds in wastewater treatment?

What does BOD measure?

What is the role of the Canadian Council of Ministers of the Environment (CCME)?

Which act includes wastewater quality regulations that apply only to federal government operations, federal lands, and aboriginal lands in Canada?

What is the effect of high BOD and COD levels on aquatic life?

What is the maximum allowable concentration of Lead in water?

What is the purpose of cooling towers in wastewater treatment?

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