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Pollution: Water – waste

Pollution: Water – waste. Jun Yu Robbie Yew Jie Teng Kiat James. Pollution. Introduction of substances into environment Unpleasant effects Natural and Human Found in waste. Water Pollution. Pollutants discharged Directly From land Poisonous. Water Pollution - Waste.

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Pollution: Water – waste

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  1. Pollution: Water – waste Jun Yu Robbie Yew Jie TengKiat James

  2. Pollution • Introduction of substances into environment • Unpleasant effects • Natural and Human • Found in waste

  3. Water Pollution • Pollutants discharged • Directly • From land • Poisonous

  4. Water Pollution - Waste • General causes: • Release of sewage • Industrial waste • Response • Sewage treatment plants • However, some substances are non-biodegradable

  5. Case Study 1: The Ganga, India

  6. The Ganga Action Plan: • Control of non-point pollution from agricultural run off, human defecation, cattle wallowing and throwing of unburnt and half burnt bodies into the river. • Research and Development to conserve the biotic, diversity of the river to augment its productivity.

  7. The Ganga Action Plan: • New technology of sewage treatment [eg.Up-flow Anaerobic Sludge Blanket (UASB)] and sewage treatment through afforestation has been successfully developed. • Rehabilitation of soft-shelled turtles for pollution abatement of river have been demonstrated and found useful.

  8. The Ganga Action Plan: • Resource recovery options like production of methane for energy generation and use of aquaculture for revenue generation have been demonstrated. • To act as trend setter for taking up similar action plans in other grossly polluted stretches in other rivers.

  9. Case Study 2: River Damodar, India

  10. The Damodar Action Plan: • Extension of the Ganga Action Plan • Revitalise 38 key Indian rivers • Conducted in four phases • Installation of electric crematoriums (1) • Construction of gardens, children's parks and bathing ghats with modern facilities (2) • Improving solid and liquid waste management (3 and 4)

  11. Thank you 

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