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Originally Posted by Canada 02
I've never tried, but i think you could soak the filters in very salty water to reactivate the charcoal and the ion exchange resin
The ion exchange would probalby work, but not the charcoal.
Activated charcoal is just crazy porous, so it catches just about anything that flows through it, so you can't just kind of wash it out.
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The ion exchange would probalby work, but not the charcoal.
Activated charcoal is just crazy porous, so it catches just about anything that flows through it, so you can't just kind of wash it out.
You can recycle activated charcoal by rinsing it with boiling water then baking it. . . but it isn't really worth it considering how cheap activated charcoal is. It also wouldn't be very easy to do that to the Brita filter.
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Originally Posted by Kybosh
You can recycle activated charcoal by rinsing it with boiling water then baking it. . . but it isn't really worth it considering how cheap activated charcoal is. It also wouldn't be very easy to do that to the Brita filter.
Didn't know that, thanks.
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Commercial bottled water may cost more in terms of energy needed to produce it, and the money you pay for it, however:
If you're pouring yourself a glass of tapwater, how many of you run it for a few seconds until it runs colder? That's technically wasting water too. Also, if you fill up some bottles and stick them in the fridge, how much additional energy is required by the fridge to keep those bottles cool? By the same token though, the commercial bottled water also usually ends up in the fridge before you consume it.
I say this as someone who prefers to drink tapwater, mostly outof not really ever switching over to bottled water when it started to become more popular. Just saying that you can take all sorts of things into account in the equation over which costs more, or is more harmful to the environment, etc. I would guess that tap water comes out on top, but it probably isn't by as big a margin as some would say.
If you're pouring yourself a glass of tapwater, how many of you run it for a few seconds until it runs colder? That's technically wasting water too.
It doesn't waste water, that water isn't destroyed it just goes down the drain and eventually ends up back in the water cycle.
Bottled water, the water in the bottle isn't the problem, it's the bottles, and the shipping for the bottles and the shipping of the water etc.
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Originally Posted by frinkprof
Also, if you fill up some bottles and stick them in the fridge, how much additional energy is required by the fridge to keep those bottles cool?
I would suspect zero, I don't think a fridge's insulation changes depending on what's in it, and how hard a fridge has to work to maintain a temperature would be related to the insulation... cooling the water would take more energy, but as you say bottled water is also cooled in the store, so that's a wash.
You are right though that you have to take everything into consideration.. but when some bottled water is shipped half way around the world (Fiji brand) and the energy and resource costs of manufacturing and transporting and disposing of billions of bottles there's no possible way the energy costs for that aren't orders of magnitude more than turning on a tap or cooling your bottle of water.
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The Brita filter haters will say that you have to make sure you refresh the filter often enough or else you are poisoning yourself with all of the crap it has been filtering for you.
You are suppose to change them 3-4 times a year and it's pretty inexpensive. If people justify buying bottled water every day, this cost is minimal on a yearly basis.
Quote:
Originally Posted by frinkprof
If you're pouring yourself a glass of tapwater, how many of you run it for a few seconds until it runs colder? That's technically wasting water too. Also, if you fill up some bottles and stick them in the fridge, how much additional energy is required by the fridge to keep those bottles cool? By the same token though, the commercial bottled water also usually ends up in the fridge before you consume it.
As stated, water down the drain just goes back into the system. And unless people only turn their fridges on to cool water bottles (which is not the case clearly), it's the same usage as the fridge would normally see. And besides, these costs pale in comparison to costs of energy in production, shipping, environmental costs, etc.
A fraction of the money spent unnecessarily on bottled could save alot of lives.
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According to an assessment commissioned by the United Nations, 4,000 children die each day as a result of diseases caused by ingestion of filthy water. The report says four out of every 10 people in the world, particularly those in Africa and Asia, do not have clean water to drink.
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