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The Methane Thread pt. 2

Re: The Methane Thread pt. 2

Unread postby Tanada » Sat 10 Oct 2020, 00:02:14


June 2020: 1872.2 ppb
June 2019: 1858.8 ppb
I should be able to change a diaper, plan an invasion, butcher a hog, design a building, write, balance accounts, build a wall, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, pitch manure, program a computer, cook, fight efficiently, die gallantly. Specialization is for insects.
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Re: The Methane Thread pt. 2

Unread postby Tanada » Sat 10 Oct 2020, 00:03:45

Image
I should be able to change a diaper, plan an invasion, butcher a hog, design a building, write, balance accounts, build a wall, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, pitch manure, program a computer, cook, fight efficiently, die gallantly. Specialization is for insects.
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Re: The Methane Thread pt. 2

Unread postby ROCKMAN » Sun 11 Oct 2020, 13:25:03

Just checking my log in.
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Re: The Methane Thread pt. 2

Unread postby Newfie » Sun 11 Oct 2020, 13:32:57

Rockman,

Log in - check! :-D
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Re: The Methane Thread pt. 2

Unread postby REAL Green » Wed 28 Oct 2020, 19:06:01

“The Green Hydrogen Problem That No One Is Talking About”
https://oilprice.com/Energy/Energy-Gene ... About.html

“Gigawatt upon gigawatt of green hydrogen capacity is being planned across Europe, Asia, and Australia. According to proponents of the technology, green hydrogen - the kind produced through electrolysis powered by solar, wind, and other renewable energy sources - is the best way to decarbonize heavy polluter industries. There is much talk about the falling costs of solar and wind and how they will make green hydrogen viable very soon. What nobody seems to want to talk about is water…One industry source told Oilprice that the production of one ton of hydrogen through electrolysis required an average of nine tons of water. But to get these nine tons of water, it would not be enough to just divert a nearby river. The water that the electrolyzer breaks down into constituent elements needs to be purified. The process of water purification, for its part, is rather wasteful. According to the same source, water treatment systems typically require some two tons of impure water to produce one ton of purified water. In other words, one ton of hydrogen actually needs not nine but 18 tons of water. Accounting for losses, the ratio is closer to 20 tons of water for every 1 ton of hydrogen…Besides being pure, the water to be fed into an electrolyzer has to be transported to it. Transporting tons upon tons of water to the site of an electrolyzer means more expenses for the logistics…Perhaps the cost of water supply, storage, and purification is negligible compared with other costs that need to be addressed first. Yet it is an actual cost that should be added to the total when estimating how far the technology of producing hydrogen from renewable electricity has progressed and how viable it has become. For now, experts appear to be unanimous that it is not viable - not without significant government support.”
realgreenadaptation.blog
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Re: The Methane Thread pt. 2

Unread postby vtsnowedin » Wed 28 Oct 2020, 21:10:24

If it needs government support then it is not worth doing.
But why would you transport water when you can build your plant at the waters edge?
Ever hear of reverse osmosis ?
When and if fuel gets scarce enough and costly enough they will do this without government guidance or support.
Not anytime soon I suspect.
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