An Industrial-Size Generator That Runs on Waste Heat, Using No Fuel

MIT Technology Review ^ | October 9, 2014 | By Kevin Bullis

[dangerdoc]

Not efficient enough, even the new ones aren’t efficient enough to do what you want.

Google powerchips plc. It’s probably vapor ware but uses an entirely different technology with the potential to be nearly an order of magnitude more efficient.

Every now and then they announce an advancement towards production but I’ve watching them for years and it’s still more theory than product.

[PatriotGirl827]

for Don

[bestintxas]

you cannot believe the incredible amounts of “waste” heat generated in the production of oil and gas in the oil field.

All production from wells make some degree of heat which is never utilized. Most of it comes from the water which is almost always associated with oil production.

Many schemes have been tried to take advantage of this.

guess my take is that if one has enough waste heat in one single place, there might be some benefit.

I would not hold my breath, though.

I have worked geothermal energy sources and there are tremendous amounts of heat that prove difficult to economically produce, albeit, some are successful