2006-10-07 17:25:42 · 11 answers · asked by pdmoly 1 in Environment
It is exteremely expensive, and very costly in resources (oil). Quite popular in the Middle East.
If society could use the freshwater they have less wastefully, we wouldn't have to worry about this!
2006-10-07 18:46:26 · answer #1 · answered by sacculina 2 · 0⤊ 0⤋
it rather is easy. Tie them to a chair. that's on stay, "fact" television. then they are subjected to a sneering, patronising interview by Ant and Dec. Following this a twine cage is located upon each of their heads. ravenous wild rats are presented to the cages. The rats consume their faces off, beginning with eyes, lips and so on. on a similar time as this is going on, Ant and Dec walk up and down the row of prisoners asking them "how are you feeling?". It does problem me that there seems to be an countless supply, very almost like a conveyor belt of paedophiles. how lots of them are there for god's sake? And now they have the internet, they are in a position to all make touch with one yet another. Even besides the undeniable fact that they could understand the police gets them at last. there is something rather unwell approximately those human beings.
2016-12-26 12:28:00 · answer #2 · answered by santolucito 3 · 0⤊ 0⤋
It is very costly to remove salt from seawater to make it fit for agriculture and house hold uses
2006-10-08 00:18:31 · answer #3 · answered by mfi 2 · 0⤊ 0⤋
We do. At least, the Israelis do, so count "we" as "we humans". The cost is extravagant right now but there are experiments going on to bring the cost down.
Another ploy being used is to find or breed crops that can stand brackish (slightly salty) water. They can be irrigated with water that hasn't been purified to such an extent that humans can drink it -- a much cheaper process.
2006-10-07 17:36:08 · answer #4 · answered by Dick Eney 3 · 0⤊ 0⤋
Actually it is just the salt. It is not very cost effective though. We do it on ships, because we can use the waste heat from the engines to boil the water. Also, we never make water in port so I suspect that the somewhat stagnant water near land is kind of unacceptable for use.
2006-10-07 17:32:19 · answer #5 · answered by fsjeeperj20 1 · 0⤊ 0⤋
Cost. The product (pure water) is the most corrosive substance on earth. The storage tanks get eaten up. The largest cost is for the things needed to put back into the pure water to make it safe.
2006-10-09 03:16:31 · answer #6 · answered by RedwoodLife 2 · 0⤊ 0⤋
It is done in some places.
Reverse osmosis is rather expensive on energy.
Using the waste heat from power stations and other industry to evaporate water is a good way to do it. This really needs to be planned and designed into the plant from day one.
2006-10-07 17:49:29 · answer #7 · answered by Stewart H 4 · 0⤊ 0⤋
Simple. They haven't found a way to do it cost effectively. It's not just the salt content, it's also the high ph and alkiline facors they'd have to deal with.
Expensive. Very.
2006-10-07 17:29:01 · answer #8 · answered by krazykritik 5 · 0⤊ 0⤋
In addition to above, there are several other agents in the water.
Currently, methods are being tested to "mine" the ocean of gold, silver, copper, and other materials.
I personally don't want to eat this in my green beans
2006-10-07 17:33:46 · answer #9 · answered by devinthedragon 5 · 0⤊ 0⤋
This is done for years already on islands like Curacao.
2006-10-07 17:33:23 · answer #10 · answered by Bigi Bal 3 · 0⤊ 0⤋