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Topic: Weather, Climate, Environment, and Energy

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Cincydawg

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Re: Weather, Climate, and Environment
« Reply #5082 on: August 09, 2021, 04:09:32 PM »
Often, effluent from a sewerage plant is potable.  It should be recycled by us.
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betarhoalphadelta

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Re: Weather, Climate, and Environment
« Reply #5083 on: August 09, 2021, 04:29:21 PM »
A couple years back, one of the roads near my [previous] house underwent a BUNCH of construction. I wasn't sure why; the road was in fine shape already, and they weren't adding lanes...

It was so that they can use recycled water for irrigation. They were laying pipe. There was a large golf course bordering that road, and that was going to be one of the beneficiaries of this recycled water. 

There are great uses for recycled water even if it's not for drinking.
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Cincydawg

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Re: Weather, Climate, and Environment
« Reply #5084 on: August 09, 2021, 04:33:44 PM »
It's all recycled eventually.
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CWSooner

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Re: Weather, Climate, and Environment
« Reply #5085 on: August 09, 2021, 05:27:09 PM »
Quote from: FearlessF on August 09, 2021, 04:06:31 PM
The western United States is now in a megadrought, that is, a drought spanning decades. The drought impacting the Colorado River can be traced back to 2000.

Much of California’s wastewater is treated and dumped into the Pacific Ocean. But as western states continue to suffer through this megadrought, water managers and lawmakers say the wastewater must be recycled.

“Recycled water is going to be extremely important, not just in the west but likely throughout the entire nation,” said Bronson Mack with the Southern Nevada Water Authority.


https://www.koin.com/news/washington-dc/western-states-look-at-recycling-water-from-toilets-to-tap/
In 20-20 (or, as Cam Newton says, "50-50") hindsight, that wastewater should have been recycled starting way back.
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FearlessF

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Re: Weather, Climate, and Environment
« Reply #5086 on: August 09, 2021, 06:07:30 PM »
it's not too late to do the right thing

like moving out of the desert 
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MrNubbz

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Re: Weather, Climate, and Environment
« Reply #5087 on: August 09, 2021, 06:10:44 PM »
Sam Kinison said something along those lines
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Suburbia:Where they tear out the trees & then name streets after them.

MrNubbz

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Re: Weather, Climate, and Environment
« Reply #5088 on: August 09, 2021, 06:13:17 PM »
Quote from: Brutus Buckeye on August 07, 2021, 07:24:30 PM

We've got a bunch of smoke settling in the area.

Simulating those California smoggy conditions.
The refugees brought it with them
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Suburbia:Where they tear out the trees & then name streets after them.

Brutus Buckeye

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Re: Weather, Climate, and Environment
« Reply #5089 on: August 09, 2021, 11:52:29 PM »
Quote from: MrNubbz on August 09, 2021, 06:13:17 PM
The refugees brought it with them
The smoke did come from Northern California, as it turns out. 
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FearlessF

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Re: Weather, Climate, and Environment
« Reply #5090 on: August 10, 2021, 08:21:42 AM »
you believe the media

the meteorologist???? 
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MrNubbz

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Re: Weather, Climate, and Environment
« Reply #5091 on: August 10, 2021, 08:52:58 AM »
HA! ya they've been bullshitting the masses for quite some time.
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Suburbia:Where they tear out the trees & then name streets after them.

betarhoalphadelta

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Re: Weather, Climate, and Environment
« Reply #5092 on: August 10, 2021, 01:53:29 PM »
I was reading this and found it interesting...

https://www.datacenterdynamics.com/en/opinions/the-modern-data-center-as-a-grid-layering-your-edge-solutions/

As I've said before, I worry somewhat about how well batteries will scale, not only for EV but for energy storage. 

I.e. one of the great ideas for home power is solar during the day, charging up a battery pack that provides power overnight. It's low-carbon (albeit may not be entirely "green" due to the difficulty of mining the metals used in the batteries) and is an effective way to power your home almost entirely with free energy from the sun. 

But... I don't know that we can scale it to the level needed, especially for larger energy users (data centers being the one discussed in the link). 

Hydrogen fuel cells are an alternative. But, the downside is that to separate hydrogen usually requires a lot of electricity, so the efficiency losses when you use conventional power sources to separate the hydrogen is a downside. And then for transportation (or home storage), the fact that hydrogen really likes to explode doesn't help.

So, at what scale does it make sense to use solar or other clean energy to separate hydrogen during the day when energy from the sun is free, and then use that hydrogen in fuel cells in the evening to power generators with only water vapor as the output? 

Seems like it would potentially be even more "green" than battery storage, as you don't need to mine all of the component metals that you need for batteries. 

So what's holding this back?

I'm sure there are major considerations [economic/technological] that I'm missing here, but I thought I'd throw it out for discussion...
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847badgerfan

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Re: Weather, Climate, and Environment
« Reply #5093 on: August 10, 2021, 02:03:07 PM »
Quote from: Cincydawg on August 09, 2021, 04:09:32 PM
Often, effluent from a sewerage plant is potable.  It should be recycled by us.
Only if it treated, in a very expensive manner. Using it for irrigation is much more efficient than treating it to the point it would be safe for consumption.

One huge issue is the amount of Rx drugs that are found in the waste water.
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betarhoalphadelta

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Re: Weather, Climate, and Environment
« Reply #5094 on: August 10, 2021, 02:42:37 PM »
Today's XKCD: https://xkcd.com/2500/



Mouseover text: "I was really impressed by the accuracy of some of the report's predictions about fossil fuel consumption. Then I realized, oh, right, of course."
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Cincydawg

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Re: Weather, Climate, and Environment
« Reply #5095 on: August 10, 2021, 03:49:59 PM »
I should not say often.  A good friend of mine worked for Cincy MSW and said they did tertiary treatment and the effluent was potable, but it went into the river.  It was cleaner than the river water they took in to treat to make potable water.

We had a mini treatment plant at the building where I worked many years on the Greater Miami that claimed the same.
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