On Oct 11, 6:44 pm, byblow wrote:
I need something that s completely automated and can extract 100
tonnes of water per day from steam (does 100 tonnes of steam 100
tonnes of water?).

Yes. Conservation of mass.

This condenser, heat exchanger or whatever has to function realiably
despite lots of dissolved solids in the steam, so it has to be highly
resistant to fouling.

Steam doesn't have dissolved solids. Wet steam, where there are water
drops in the steam can carry over some solids. But the side of a heat
exchanger that gets fouled is usually the side with the heat rise
rather than the condensing side.

It also has to be as compact as possible, weigh as little as possible,
and use as little electricity as possible.

Condensing steam is an energy source rather than a sink.

My goal is to extract 4,800-6,000 tonnes of water from steam in 90
days or less. After that, I don't care if the condenser is a total
loss.

You have not stated the most important operating conditions. Is this
on earth? Mars, the moon or free space (zero g)?

The biggest problem (if in space) will be the radiator area. Mars,
you could probably transfer the heat to the atmosphere.


I've read that condensers at power plants typically use a vacuum or
partial vacuum to suck in steam, and also to expand it for more
efficient cooling. Could the natural vacuum of space be used for these
purposes?

No.
I appreciate any help I can get!

MODERATOR'S COMMENT:
Note, not really on-topic, but intriuging and I want to see where this
develops.