Free Republic
Browse · Search
General/Chat
Topics · Post Article

Skip to comments.

Letters: Desalination would only make water more costly, not solve shortage
Sacbee ^ | January 2025 | Bob Rodger, Los Osos

Posted on 01/24/2025 4:44:48 PM PST by Libloather

click here to read article


Navigation: use the links below to view more comments.
first previous 1-2021-4041-6061-73 last
To: Libloather

It would make water more costly?

As opposed to $275 BILLION in damage from a series of fires?


61 posted on 01/24/2025 9:27:25 PM PST by july4thfreedomfoundation (Russia? China? Democrats and RINOs are the biggest threat to the survival of America.)
[ Post Reply | Private Reply | To 1 | View Replies]

To: Secret Agent Man

Or get busy and build some small nuclear reactors to power the AI data sites and the desalinization plants. This will not produce more CO2, even though it is not going to change what happens to the climate. That is out of our control.


62 posted on 01/24/2025 10:23:25 PM PST by KC_for_Freedom (retired aerospace engineer and CSP who also taught)
[ Post Reply | Private Reply | To 49 | View Replies]

To: KC_for_Freedom

Yeah although they better build them far away from the fault lines.


63 posted on 01/24/2025 10:25:32 PM PST by Secret Agent Man (Gone Galt; not averse to Going Bronson.)
[ Post Reply | Private Reply | To 62 | View Replies]

To: Libloather

“Desalination would exacerbate the problem. It takes 1,500 kilowatt-hours to produce a million gallons of desalinated water. That’s a lot of carbon being put into the atmosphere.”

Just a thought - no carbon would be put into the air if the 1,500 KwH were generated by a nuke. Think about it. It’s a two-fer ... clean water and clean air.

You’re welcome.


64 posted on 01/25/2025 2:17:49 AM PST by ByteMercenary (Liberalism is a mental disorder.)
[ Post Reply | Private Reply | To 1 | View Replies]

To: BobL

“A cubic meter is 256 gallons”

If you spill 8.172 gallons it is :)


65 posted on 01/25/2025 5:21:08 AM PST by takebackaustin
[ Post Reply | Private Reply | To 25 | View Replies]

To: gundog

They need to move people to where the wster is by shutting down water access to areas.


66 posted on 01/25/2025 5:24:12 AM PST by If You Want It Fixed - Fix It
[ Post Reply | Private Reply | To 2 | View Replies]

To: takebackaustin

Close enough! The way I remember is that a gallon is just about 6x6x6 inches, so 8 gallons per cubic foot and 216 gallons per cubic yard (really 201 gallons, but reasonably close). I cubic meter is a bit bigger than a cubic yard, so 250 gallons.


67 posted on 01/25/2025 5:31:44 AM PST by BobL
[ Post Reply | Private Reply | To 65 | View Replies]

To: BobL

Just for clarity It is 264.172 gal/cu meter, I meant 256 +8 and change , not minus. I like your mnemonics though. It’s 6.1358 inches btw :) I have to get a sense of an approximation’s accuracy before putting it in mind for future use.


68 posted on 01/25/2025 6:20:51 AM PST by takebackaustin
[ Post Reply | Private Reply | To 67 | View Replies]

To: takebackaustin

The largest seawater desalination plant in the Western Hemisphere, producing 50 million gallons of water per day, has been in operation here in North San Diego County, California, since late 2015. Connecting the output into the existing potable water distribution system was a major project, the amortization of which increased our water cost slightly, but we voted that the security is worth it.


69 posted on 01/25/2025 9:43:56 AM PST by charleywhiskey
[ Post Reply | Private Reply | To 68 | View Replies]

To: charleywhiskey

Viva San Diego! Please secede from California and join Texas. We could use some desalination plants here btw.

I don’t get why the letter writer assumed powering dasalination plants will generate CO2, but nuclear power is fine and dandy for AI data centers. Not that I buy AGW.


70 posted on 01/25/2025 1:53:55 PM PST by takebackaustin
[ Post Reply | Private Reply | To 69 | View Replies]

To: Jonty30

Park a nuke plant next to the ocean waste heat from cooling the reactors distills pure water.


71 posted on 01/25/2025 8:40:15 PM PST by Paperpusher (Gal 5:15 But if ye bite and devour one another, take heed that ye be not consumed one of another.)
[ Post Reply | Private Reply | To 38 | View Replies]

To: Secret Agent Man

Build with earthquake strong engineering too.


72 posted on 01/27/2025 12:15:26 PM PST by KC_for_Freedom (retired aerospace engineer and CSP who also taught)
[ Post Reply | Private Reply | To 63 | View Replies]

To: Paperpusher

Yes this is the way...

https://www.sciencedirect.com/science/article/pii/S0011916424000365

A nuke puts out 2 units of heat into it’s cooling heat sink for every one unit of electricity. Using waste heat you can make a medium sized river worth of fresh water with rapid spray desal, or low temp vacuum desal or go triple win and do adsorption cooling to sea ice, melt that now fresh water ice with loops of propylene glycol to melt it at 32F and take all that cold glycol and send it to a district cooling system. You get cheap electricity, loads of fresh melt water, and tons of cooling which is 75% of your electric load in hot climates so you just multiplied the number of buildings that nuke can power by not running HVAC units and district cooling them instead. It’s win win win. Ask GE Hitachi for the ESBWR in 1600 MW form. They built the more complex older brother the ABWR in 39 months from first concrete to first fueling twice in Japan. The ESBWR has 50% LESS concrete and no active cooling systems it’s all passive cooling and natural convention driven no pumps in the reactor vessel, no large pipes and it cannot melt down it’s under the gravity driven flood tanks that open as soon as it scrams and vents to the suppression pool. You only need to add water to the top pool after 7 days and you can do that with a probable hand carried 3 inch gas driven pump. That’s assuming your triple redundant feed water systems, double redundant fire suppression systems, and on site gravity driven water tower pressure system are all compromised. There is hose hook ups for fire truck water and you could use a hand carried pump to fire hose water from your cooling tower basins or cooling pond directly to the triple diverse external hose points that lead to the top gravity pool, from there it flows down to the core, fuel storage pool, and containment cooling condensers all by physics humans don’t even need to be there just get the water to the top pools one of three and physics does the rest. It’s the safest reactor humans have ever designed by core damage frequency. I would gladly live inside the plant gates sleeping the sleep of babes knowing my air is clean , my water is pure and my house is 65F all while the wonderful machine hums away a few hundreds of feet from my bedroom.


73 posted on 01/28/2025 1:22:29 AM PST by GenXPolymath
[ Post Reply | Private Reply | To 71 | View Replies]


Navigation: use the links below to view more comments.
first previous 1-2021-4041-6061-73 last

Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.

Free Republic
Browse · Search
General/Chat
Topics · Post Article

FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson