Water Kit - Hunter Water
Water Kit - Hunter Water Water Kit - Hunter Water
investigating wastewater treatment worksheet 1 1 Use the internet and factsheets in Section 3 of this Water Kit to discover the meaning of the following wastewater terms: a) Vortex: b) Effluent: c) Disinfection: 2 What does ML mean? 3 Which wastewater treatment works in the Hunter region: a) serves the largest population? b) serves the smallest population? c) treats the smallest volume of water on a daily basis? 4 Calculate the volume of water (in litres) treated per person per day for each of the Hunter’s wastewater treatment works (WWTW): wastewater treatment works litres of wastewater treated per person per day Belmont: Burwood: Morpeth: Karuah: Shortland: 5 Consider the communities that each WWTW services and suggest some reasons for any major differences in the volumes of wastewater treated: 6 The main reason for treating wastewater is to ensure that it has a minimal impact when it is released into the environment. The treatment process uses naturally occurring bacteria to decompose carbohydrates, proteins and fats. As as a result, methane and carbon dioxide gases are released. a) Identify a potential environmental impact of the process of wastewater treatment: Water kit . ssS . 001 . april 2010 13
) Suggest strategies that might be used to reduce this impact: c) Identify the main environmental costs and benefits of wastewater treatment in the Hunter: Water kit . ssS . 001 . april 2010 14
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) Suggest strategies that might be used to reduce this impact:<br />
c) Identify the main environmental costs and benefits of wastewater treatment in the <strong>Hunter</strong>:<br />
<strong>Water</strong> kit . ssS . 001 . april 2010<br />
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