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/diy/ - Do-It-Yourself

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Anonymous 04/18/14(Fri)02:19 UTC+1 No.626724 Report

Hey guys i need help to make a water purifier like this one, do someone knows which materials do you need or the steps you have to follow to do it?
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Anonymous 04/18/14(Fri)02:33 UTC+1 No.626730 Report

>>626724
By the time you bought all the materials you could have bought probably two complete water filtering systems.
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Anonymous 04/18/14(Fri)02:40 UTC+1 No.626732 Report

>>626730
It's cheaper to buy pretty much anything than to build it yourself. I'm assuming OP wants to do this for the learning experience. If not, just buy one.
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Anonymous 04/18/14(Fri)03:08 UTC+1 No.626740 Report

I'm helping my nephew to do a science project, well someone knows how to do a water purifier but a little bit more complex? Not like the typical of the sand and that
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Anonymous 04/18/14(Fri)04:11 UTC+1 No.626744 Report

>>626740

engineer here

1. tubes (color coded)
2. 5 micron filter, sediment filter, and a carbon filter
3. reverse osmosis membrane
4. housing
5. sealed fittings
6. vinyl tape

so these systems work on city water pressure, so if you can't generate that pressure then you will need a small pump. The water flow needs to be pressurized throughout the whole process.
the filters act to remove any particles that would otherwise damage/clog the RO membrane.
The flow of water should follow inlet at the sediment filter, then flow into the carbon filter (very important to remove chlorine before flow reaches the RO membrane), then to the 5 micron filter. From there the water stream should flow to the RO membrane where there will be a reject stream and a quality stream. The reject stream can be discharged anywhere. This type of system can remove ~95-99% of the impurities including bacteria and viral organisms, radiation and heavy metals. If you are looking to purify salt water you will need a different system design.
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Anonymous 04/18/14(Fri)06:41 UTC+1 No.626774 Report

>>626740
You could do one of those clay pot filters, they act like ceramic filters
http://pottersforpeace.com/ceramic-water-filter-project/
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nona 04/18/14(Fri)14:49 UTC+1 No.626857 Report

>>626774
Charcoal filters the shit out of just bout everything, but would require waterproof charcoal u can get at Lowes.
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Anonymous 04/19/14(Sat)06:30 UTC+1 No.627131 Report

>>626744
How many microns is normal cofee filter?
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Anonymous 04/19/14(Sat)20:31 UTC+1 No.627373 Report

>>627131
probably 15-25 depending on brand
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Anonymous 04/21/14(Mon)00:04 UTC+1 No.627877 Report

the problem with DIY water filters is once you filter the chlorine out, you could get some bad dudes growing in the other chambers. it's not worth the risk.
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