Presented by: Thủy Nguyễn Environmental Engineer

WATER FOR A SUSTAINABLE WORLD

Outline

1. Water Facts2. Water Pollution3. Water Treatment4. Your actions

Water Facts

Water is vital

You can last weeks without food, but only days without water!

Man lost in Sahara desert for 10 days Nepal earthquake victim survived after 80 hours

Water scarcity

Drought Flood

Out of 7.2 billion people in the world 748 million do not have access to an improved source of drinking water

Ocean pollution

Polluted lakes in Hanoi• Dumping construction waste at lakes• Littering (domestic wastes)• Directly discharging municipal

wastewater

Eutrophication at Truc Bach lake

Linh Dam lake

Hao Nam lake Ho Me lake (Truong Chinh str)

Contaminated rivers in Vietnam

Illegal pipe of discharging wastewater at Long Thanh Industrial park

• Total about 232 industrial parks (143 has Wastewater treatment plant)

• Total wastewater capacity ~ 1 million cubic meter/day

• 75% without treatment and discharge to the river

Fish died

Freshwater is little but..

Does meat make the planet thirsty?

How to mitigate pollution?

Aquatic rafts on To Lich riverCleaning the river bed

Exercising machine purifies Ngoc Khanh and Thanh Nhan lake

Wastewater treatment plants

Yen So WWTP 200,000 cubic meter/day

• Pilots (in small scale): Kim Lien, Truc Bach, Bay Mau, North Thang Long

• High investment WWTP: Yen So, Yen Xa (To Lich river) by 2020

• Call for construction: West of Nhue river and Phu Do

Truc Bach WWTP 2,300 cubic meter/day

Advanced water treatmentReverse Osmosis Membrane Desalination• 9,500 desalination plants worldwide• total capacity of 8.5 billion gal. per day (32 billion liters)• creating a total market worth $95 billion Nano filtration membraneForward Osmosis

Access to clean drinking water

Lifestraw water filter RO filter for household

Faucet water filter

Over 80,000 X-Packs are fielded to US military personnel

What can you do in the future?

To be a politician

To be an environmental engineer

What you can change right now…

We have the responsibility to

Questions?ngtthuy0207@yahoo.com

Thank you!