Wastewater Treatment

The large globe that you can see from the highway stores a byproduct of solids treatment called _________________________. This is purified into natural gas and used to generate electricity.

• methane

• carbon dioxide

• hydrogen

• helium

The biosolids are dewatered into “cake” which can be used as fertilizer. The City of Hamilton generates an average of 100 tonnes of cake every day. That’s the equivalent of _________ elephants!

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NGSS.MS-LS2-3

The final effluent leaving the wastewater treatment is the largest single source of processed water entering Hamilton Harbour. What can we do at home to ensure we protect the health of our harbour?

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NGSS.MS-ESS3-3

What is the full form of WWTP ?

• Waste water treatment power

• Waste water throwing plant

• Waste water treatment plant

• wastewater treating plant

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NGSS.MS-ETS1-1

What are the three types of treatments in a Wastewater Treatment plant?

• Primary treatment

• Main treatment

• Tertiary treatment

• Secondary treatment

The ______ _____ remove the large objects like rags, sticks, cans and plastic packets from the sewage.

What are the three types of primary treatment?

• aeration

• Screening

• Grit and sand removal

• Primary sedimentation

The primary sludge is shifted into ________

• digester tank

• skimmer

• aeration

• grit and sand removal tank

What are the chemicals added to treated water to disinfect them

• Monochloramine

• ozone

• sodium hydroxide

• chlorine

These are steps of wastewater treatment, except:

• Flocculation

• Saponification

• Coagulation

• Sedimentation