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VTI, a small Czech Republic company, has a device (with actual commercial installations) which can make drinking water out of any liquid dirt, like pig sludge. They claim it -unlike reverse osmosis- needs very little power, no chemicals involved, only physics.
From their website:
The core of our device is the Technology of Hybrid Asymmetric Selective Membrane Separation - THASMS, which was developed over time by our research team. The AQ3 device is suitable for use both in households and industrial units, where it eliminates problems with water quality, and with extremely low energy consumption.
Videos of the device in action purifying pig slurry (subtitled in English) are available on the references page of the website.
Are there more companies and products using this technology?
(Score: 2) by CoolHand on Tuesday April 21 2015, @01:15PM
While the end product might be perfectly fine, I'm not sure I could bring myself to drink it knowing the source...
Anyone who is capable of getting themselves made President should on no account be allowed to do the job-Douglas Adams
(Score: 5, Informative) by Techwolf on Tuesday April 21 2015, @01:23PM
Considering some of the sources of tap water, why is that an issue?
(Score: 2) by CoolHand on Tuesday April 21 2015, @01:29PM
don't make me think about it!
Anyone who is capable of getting themselves made President should on no account be allowed to do the job-Douglas Adams
(Score: 2) by davester666 on Wednesday April 22 2015, @06:08AM
Really? Portland has "flushed" their 38-million gallon reservoir after a single individual pee'd in it. Twice.
But only for human pee.
Shaff [David Shaff, Portland's water bureau administrator] told the Mercury that the reservoir is not shut down for nature's transgressions. "If we did that, we'd be shutting it off all the time. We fish out animals or things that have blown in all the time," Shaff said.
http://arstechnica.com/science/2014/04/draining-reservoir-after-urination-incident-shows-tenuous-grasp-of-science/ [arstechnica.com]
(Score: 4, Informative) by LoRdTAW on Tuesday April 21 2015, @01:31PM
Drink water from a surface reservoir? Think of all the dead fish, fish waste, bird droppings, and other wonderful things that find their way into the water. In NYC they sometimes have to inject chlorine at specific points in the system to combat bird feces overload during migration season.
(Score: 3, Informative) by VLM on Tuesday April 21 2015, @01:43PM
Ag runoff too. If you live in an area with pig farms in the watershed, and you drink out of a surface source, you're drinking pig waste (and all kinds of other agricultural waste).
(Score: 1, Funny) by Anonymous Coward on Tuesday April 21 2015, @06:00PM
While the end product might be perfectly fine
Don't you mean "perfectly swine"?
(Score: 3, Funny) by wonkey_monkey on Wednesday April 22 2015, @12:21PM
Don't be such a boar.
systemd is Roko's Basilisk
(Score: 3, Insightful) by caseih on Tuesday April 21 2015, @07:52PM
Your sentiment is shared by many, but unfortunately it's a sentiment you and others are going to have to get over.