Remote Living > Water

Water water everywhere and all good to drink

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Frank S:
Getting a few things ready for the eventual move out to W. Texas I started rounding up items to make a slow biosand-filter.
  I have 10 or 15 of the 55 gallon ploy drums these things are useful for just about any liquid storage.
 they also make excellent vessels to convert into a slow filter .
 Also here is  some helpful information
http://www.biosandfilter.org/biosandfilter/index.php/ click in Biosand then look at the dropdown menu on the left
this is one I found on the web that I patterned my design after.

This is the design that I drew up and have seteled on using

 I probably won't be able to set up the filter system here because transport would be difficult
 but here are some pics of the components I have on hand and have started constructing
 making loops for the drip and collection tubes

Drilled holes in the 1" CTS

cleaning the drill burrs from the inside of the loops
 I used 1" sch 20 pvc for the bushing

assembeling the baffel loops the fittings will not be glued in-case clean out is ever necessary

approximately the position the loops will be placed 

Had a RE negative day today well not quite see it rained and I am never one to allow an opportunity pass if at all possible
 I placed about 20 5 gal buckets under the damaged roof to collect water

I started out filling several poly drums for dog and cat water after filling 6 drums I noticed how clean the water was so I filled one of my totes

 then cleaned out the 2nd one with my air operated pressure washer

 Crystal clear water

1 tote is full all the way to the top the other now has 150 gallons in it and it is still raining
 I hope to collect another 200 gallons tomorow

 

XeonPony:
basically all that is is a sand filter, they are a functional bio filter you, need aerated water, and. Bio filters are more for removing things such as particulates and cysts (Geardia and such) and to some degree bacteria of certain types, the bio film of bacteria capture these particles and occasionally will require back washing of the bed.

My I recommend for safeties sake put a 8gpm rated UV sterilizer on there? I can guarantee this will sterilize the water 100% at a 3 to 5 gpm flow.

I worked with a water treatment company for 4 years and the things are amazing at what they will do all for the cost of 50-60w from the inverter dc side!  The other thing is use a pump and a venturie and an ozone generator to circulate in your post filtered tank to keep the water sanitized

Other then that, excellent looking build, looking forward to seeing the finished product, and please send a water sample in for testing once it has run for a while, you can never be too safe, a whole family and even the dog all most died from bad water, and it looked crystal clear as well!

dnix71:
I don't think that kind of filter will remove arsenic or nitrates. My sister and her husband are going back to Uganda to help them set up water purifiers like yours. Bacteria and parasites are the concern there. The tropical sun can be used for sterilization as well.

Otherwise, the only way to purify contaminated water is to set up a still.

Frank S:
 XeonPony; you hit the nail with the UV sterilizer I don't have 1 drawn in but had planned on using one.
  For circulation I have in mind a sail type windmill in mind powering an air compressor  the compressor I visualize would be set up to produce air much the same as the air used in scuba tanks but at very low volume and pressure  this air would be used in 2 places one to provide a constant ventilation for the top part of the sand filter to provide fresh air for the pond scum bio layer that will form in the drip area as this will have about 3 to 4 inches of water above the sand. the top drip loop is to be mounted so as the water level will always be above it.
 the second part of the compressed air will be to keep the water in slow circulation in the output tank.
  Using solar distillation is one good way to insure pathogens are killed  and may be incorporated to a limited extent however this could make what I term as dead water I spent 10 years living in an area where all of the water was processed by starting out as sea water then turned into steam to run the electrical generators then it had to have minerals re added to it that is fine for most uses but you wouldn't want to drink it all the time
   It is sad how the humans on this planet have lost much of their natural immunity to ward off many forms of bacteria
   As a kid growing up our water came from a 48 ft well pumped up to a redwood storage tank the piped directly into the house in a galvanized pipe on filters involved . Once a year the tank was allowed to become almost empty and we got inside to scrape the algae off the sided and clean of the 3 inch thick layer of pond scum  no one ever got sick from it and us kids would often just dip a tin cup in the cattle watering trough for a drink .
  I wouldn't even think of doing that today   

XeonPony:
I grew up in the logging camps, we drank out of ditches streams and all sorts of things, worst I ever got was the runs perhaps once or twice and only for a day, watch a city slicker do that and they're in the ER for a month!

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