Membrane Technology and Water Supply

The video discusses the critical role of water in daily life, highlighting its connection to energy and food in the human water cycle. It introduces Orlando Cornell's research on water and energy, emphasizing the need for energy in water purification. The video explains water contamination sources and the role of treatment plants, which are energy-intensive. It then focuses on innovative membrane technology, specifically thin film nano composites, which improve water purification efficiency. The video concludes with testing methods and the potential for these technologies to provide sustainable, affordable drinking water globally.

What percentage of the U.S. population relies on a public water supply?

• 90%

• 70%

• 50%

• 86%

Which of the following is NOT a part of the human water cycle?

• Water

• Food

• Energy

• Transportation

What is the primary focus of Orlando Cornell's research?

• Water and energy connection

• Water and transportation connection

• Water and food connection

• Energy and food connection

Which of the following is a source of drinking water contamination?

• Fertilizer runoff

• Solar radiation

• Noise pollution

• Wind erosion

What type of membrane is used to remove large contaminants like bacteria?

• No-pressure membrane

• Medium-pressure membrane

• High-pressure membrane

• Low-pressure membrane

What problem do membranes face over time?

• They expand

• They become clogged

• They change color

• They become too thin

What is the thickness of the thin film nano composites developed by Cornell's team?

• 100 microns

• 300 microns

• 200 microns

• 400 microns

What is the role of the top active layer in the new membrane technology?

• To enhance water productivity and contaminant removal

• To provide structural support

• To increase the membrane's weight

• To add color to the membrane

What is the main goal of the new membrane technology?

• To change the color of water

• To make the technology more affordable

• To increase the weight of water

• To make water taste better

How do nanoparticles improve the membrane's performance?

• By allowing water to flow more efficiently

• By reducing its size

• By changing its color

• By making it heavier