desalination Flashcards

1
Q

reverse osmosis

A

the movement of fresh water through a semipermeable
membrane when pressure is applied to a solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

saline water

A

contains significant amounts of
dissolved salts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

saline water ratings

A

Freshwater : <1,000 ppm
Slightly saline water :1,000-3000ppm
Moderately saline water : 3,000-10,000ppm
Highly saline water :10,000 35,000ppm
Ocean water about 35,000 ppm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

dead sea

A

280,000ppm of salt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

2 ways to desalinate water

A

run a still and reverse osmosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

distilled water?

A

water boiled and condensed without minerals and salt
Calcium, Magnesium, Sodium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

is reverse osmosis efficient?

A

40% of water is wasted in SMALL UNITS and expensive at large scales

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

3 desalanation facts
how many plants, gallons, people worldwide?

A

18,426 desalination plants
22,930M GPD
300 million people

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

who are the most important users of desalanation plants?

A

middle east

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Cost of
Desalination

A

$1.09 to $2.40 per 1,000 gallons produced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Perth?

A

Australias famed desalanation plant
45% of their freshwater comes from the sea
128 Billion Liters converted to fresh water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

brine

A

salty ass water. the aftermath of desalination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

are u ready

A

nah

How well did you know this?
1
Not at all
2
3
4
5
Perfectly