Re: [gardeners] Water, was desalization
George Shirley (gardeners@globalgarden.com)
Sat, 12 Aug 2000 15:23:08 -0500
If you consider each of the Great Lakes as an individual lake, which they are,
then Baikul is much larger and deeper.
George
Jill Fyffe wrote:
>
> That must be a REALLY big lake. Thought the Great Lakes held some
> kinda record for the most fresh water,
>
> Jill
>
> Will have to look in my atlas tonight.
>
> > At 08:38 PM 08/09/2000 -0500, you wrote:
> > >They do do it for large cities. When we lived in Saudi Arabia all of our water
> > >came from a large desal plant about 30 kilometers from where we lived. It
> > >produced about 10 million gallons a day from water from the Red Sea. It didn't
> > >use reverse osmosis though, that's only practical in small systems IIRC. The
> > >plant was built by Mitsubishi and utilized flash evaporation, ie superheated
> > >boilers. The steam was then condensed, cooled and put into the big tanks and
> > >then to the pipes to where it was needed. The salt and other minerals remained
> > >behind and were flushed back into the sea by the next load of water brought in
> > >through standard filters. Since the Red Sea is about 10 percent more
> > >saline than
> > >the other oceans and seas it didn't make much difference. Note: There are NO
> > >fresh water streams running into the Red Sea at all.
> > >
> > >Flash evaporation on that scale is expensive unless you own half the oil
> > >in the
> > >world. Many home filters run on reverse osmosis.
> > >
> > >George, still posting via the archives
> >
> > On the subject of water, a scientist-friend is going on a tour to Lake
> > Baikul in Siberia later this month. He says it contains 20 or 25% (I forget
> > which) of the fresh water on the planet. The more I think about that, the
> > more astonished I am. Margaret L, who wonders how long the straw would
> > have to be...
> >
> >
> >