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(BNNBloomberg)   Iceland cuts power to some industry, trolls new bitcoin miners   (bnnbloomberg.ca) divider line
    More: Followup, Iron, Electricity, Aluminium, Industrial Revolution, lack of power, Low hydro reservoir levels, Hive Blockchain Technologies, Smelting  
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845 clicks; posted to Business » on 07 Dec 2021 at 1:50 PM (5 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



13 Comments     (+0 »)
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2021-12-07 11:56:39 AM  
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It's a virtual currency, should tell them to use virtual power...
 
2021-12-07 2:36:57 PM  
supposing it is geothermal power, is it more environmentally friendly to just let the geo heat into the atmosphere or to make the heat do some work before it goes to the atmosphere?  Or does the heat stay in the earth?

Make some geothermal powered CO2 capture systems.  Turn the CO2 into carbon fiber or graphite, or whatever.
 
2021-12-07 2:51:56 PM  

AmbassadorBooze: supposing it is geothermal power, is it more environmentally friendly to just let the geo heat into the atmosphere or to make the heat do some work before it goes to the atmosphere?  Or does the heat stay in the earth?

Make some geothermal powered CO2 capture systems.  Turn the CO2 into carbon fiber or graphite, or whatever.


Export their green geothermal energy to Canada to replace coal and gas energy.  Make stuff a lot more energy efficient on top of that, plus install a shiat ton of solar and wind capacity.
 
2021-12-07 2:58:12 PM  
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2021-12-07 3:09:08 PM  

AmbassadorBooze: supposing it is geothermal power, is it more environmentally friendly to just let the geo heat into the atmosphere or to make the heat do some work before it goes to the atmosphere?  Or does the heat stay in the earth?

Make some geothermal powered CO2 capture systems.  Turn the CO2 into carbon fiber or graphite, or whatever.


I'm pretty sure in most cases they're drilling down initially to create a heat vent, and then putting a turbine into the vent.  The heat escaping spins the turbine, I think maybe by heating water, that then generates steam that actually spins it?  It's obviously more complicated than that, but generally speaking no, the heat isn't just going to release itself.
 
2021-12-07 3:14:29 PM  

AmbassadorBooze: supposing it is geothermal power,


The very short article says "low hydro reservoirs" so supposing that would be wrong.
 
2021-12-07 3:20:24 PM  

TheSubjunctive: AmbassadorBooze: supposing it is geothermal power,

The very short article says "low hydro reservoirs" so supposing that would be wrong.


I don't read the farking articles.

So, supposing it is hydro reservoirs, if they don't use the gravitational energy for work, does the water stay in the reservoir?  If not, how about using it to make graphite from the air and then sinking the graphite into the core of the earth?
 
2021-12-07 3:26:02 PM  

Northern: AmbassadorBooze: supposing it is geothermal power, is it more environmentally friendly to just let the geo heat into the atmosphere or to make the heat do some work before it goes to the atmosphere?  Or does the heat stay in the earth?

Make some geothermal powered CO2 capture systems.  Turn the CO2 into carbon fiber or graphite, or whatever.

Export their green geothermal energy to Canada to replace coal and gas energy.  Make stuff a lot more energy efficient on top of that, plus install a shiat ton of solar and wind capacity.


That is partially what they hope to do with hydrogen. Saudi Arabia is building a plant to convert solar power into ammonia, transporting it by tanker and then converting it to hydrogen where it is going to be used. If you wanted to export icelands excess energy an ammonia based setup would probably be best.
 
2021-12-07 3:36:29 PM  
They cut power to industry first? Sounds like the reverse of Texas.
 
2021-12-07 4:28:41 PM  

adamatari: They cut power to industry first? Sounds like the reverse of Texas.


There aren't many poor, black neighborhoods in Iceland.
 
2021-12-07 4:43:25 PM  
Bitcoin miners would be at the very top of my list of who to cut power to in the case of shortages. They create literally nothing.
 
2021-12-07 5:11:12 PM  

squegeebooo: AmbassadorBooze: supposing it is geothermal power, is it more environmentally friendly to just let the geo heat into the atmosphere or to make the heat do some work before it goes to the atmosphere?  Or does the heat stay in the earth?

Make some geothermal powered CO2 capture systems.  Turn the CO2 into carbon fiber or graphite, or whatever.

I'm pretty sure in most cases they're drilling down initially to create a heat vent, and then putting a turbine into the vent.  The heat escaping spins the turbine, I think maybe by heating water, that then generates steam that actually spins it?  It's obviously more complicated than that, but generally speaking no, the heat isn't just going to release itself.


Yes, usually water is heated in the deep rock. That hot water is brought up, usually used to heat cleaner water, and then the original water might be pumped back down to be reheated. That hot cleaner water is allowed to flash to steam so it can drive an electricity-generating turbine (and then might be cooled for reuse). The water from underground tends to have a lot of minerals, so often the engineers avoid running that directly through the turbine because it damages the turbine.
 
2021-12-07 5:12:01 PM  
"a delay in obtaining power from an external producer"

What? Is someone shipping batteries to Iceland?
 
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