Seawater Desalination Process

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Courtesy of the San Diego County Water Authority

CarlsbadDesal

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For pretreatment filtration of seawater, why isn't Gravel at the top layer and thereafter the finer particles for removing sediments?

makairasingh

It not just cartridge filter to provide seawater to feed RO, we need ultrafiltration or nanofiltration before RO

menmen

thanks a lot for the video, it is very short and comprehensive.

abojasim

Most helpful to understand.
Someone send me the software to use in my presentation.

JosephSIAW_SAPPORE

Sir, but why such a long process, why can't we just boil sea water and collect the steam in a tank and then cool it. Won't it be clean?

-nishantbariar

How much do impeller pumps and microfilters cost?

stiinatolli

anyone knows what software they used to make the simulation process?

sharaminopeder

I was wondering why the water tasted so good from the tap of my hotel after a a heavly drunk night in San Diego

DH-.

One thing we need to do is move water from the ocean back inland to places we need it and if we can do that while generating clean energy we have a chance to mitigate climate change and still have a prosperous future. It is really, really hard but it is not impossible.

The biggest idea I am trying to express is tunneling aqueducts from the coast, in this case the west coast of the USA inland to feed combination geothermal power and sea water desalination plants. The idea seems to be so big that no one has considered it possible but I believe it is not only possible but it is necessary. For over a century the fossil water contained in aquifers has been pumped out to feed agriculture, industry and municipal water needs. The natural water cycle cant refill fossil water deposits that were filled 10, 000 years ago when the glaciers melted after the last ice age. Without refilling these aquifers there is not much of a future for the region of the United states. As a result ground levels in some areas of the San Joaquin Valley have subsided by more than 30 feet. Similar fossil water depletion is happening in other regions all around the world. TBM and tunneling technology has matured and further developments in the industry are poised to speed up the tunneling process and it's these tunnels that are the only way to move large volumes of water from the ocean inland. The water is moved inland to areas where it can be desalinated in geothermal plants producing clean water and power. In many cases the water will recharge surface reservoirs where it will be used first to make more hydro power before being released into rivers and canal systems. It's very important however to not stop tunneling at these first stops but to continue several legs until the water has traveled from the ocean under mountain ranges to interior states. Along the way water will flow down grade through tunnels and rise in geothermal loops to fill mountain top pumped hydro batteries several times before eventually recharging several major aquifers. What I am proposing is essentially reversing the flow of the Colorado River Compact. Bringing water from the coast of California first to mountaintop reservoirs then to the deserts of Nevada and Arizona and on to Utah, New Mexico, Colorado and Wyoming. This big idea looks past any individual city or states problems and looks at the whole and by using first principles identifies the actual problem and only solution.

Thank you for your time, I would like the opportunity to explain in further detail and answer any questions.

A better future is possible

DavidElzeitsinfill