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Waynes solar salt factory  RSS feed

 
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I put a meat thermometer in the seawater. 134 degrees f. I put it on the bottom ss basin. 160 degrees f. Full sun outside temp is 91.
 
wayne fajkus
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I found this on amazon while looking for gallon jars. Brilliant idea. I think its made for kombucha. In winemaking you have to separate the pulp. Same with natural sodas.  This allows me to keep the pulp separated from the beginning. Just put the fruit in the filter.

With seawater i filter it to get any particles out. Its ackward to balance a filter over the one gallon jar, then pour it in over the filter. This should solve that issue.
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If you don't want to use paint, then maybe consider grinding some biochar and spreading it on the bottom tray to darken it.
 
wayne fajkus
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Update. I had 2 gallons of the original batch left. As it evaporated i kept pouring from one to keep the other one full. The smaller quantity popped its crystals to slightly more than 1/4 cup. One more to collect for the full batch to get done. So far its 1_1/3 cup plus 1/4 cup.

I have another batch going. 50 quarts.  Id say water levels are about half gone with that batch. This one is in all glass. No stainless. Should be very clean.

Not sure if i mentioned it, but i did add black granite slab to bottom. 19" x 48" x 3/4" thick. It covers the entire bottom except a few inches where the drain is.

I still have dreams of converting this to collect distilled water but other projects are priority right now.
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wayne fajkus
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Here's the latest batch showing progress,  they were all full. I'll start condensing them soon. The ones that look gold is rusty muck on botton outside of the glass jars. I'll clean them off when i condense.
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Michael Cox
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Wayne,

In my time wasting on youtube I stumbled on this:

 
wayne fajkus
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Wow. Low tech genius right there. Very impressive.

Ive had this idea of having a true water flush toilet in remote areas using evaporate/condense technology. Envision a large water trough,  maybe 500 gallons, under a solar collector that can catch and collect the vapor. Now add a 500 gallon storage tank that is plumbed to a conventional commode.

Fiush the toilet, the water goes into the trough. where it evaporates, condenses, and is sent back to other storage tank. The waste  as well as water to the commode would be gravity fed. Getting the distilled water back to tank would either be carried by buckets or use a sump pump if electricity is available.

It would be a 1:1 system. It should never need water added. Actually the water should grow as the urine added did not come from the original water supply. Technically, anything flushed into the system would donate its moisture and the end result would be distilled water, regardless of what it "was".

The question is how long to recharge. Starting with 500 gallons gives you ruffly 500 flushes. So amping it so that water flows back in before you run out would be important. Geography comes into play. Think of Paul's pdc course. How big would the system need to be to last the week. Then you have 6 months for it to "recharge" until the next event. In his case, with lack of use for extended periods, the dried remains could be scooped out easily.

If not solar,  how bout a rocket based water distiller to provide a true water flushed toilet.  Still using pauls pdc as an example,  things can be planned for the use. Hold enough water for 1 days flush and run the rocket at night.  Who knows. Once you know the amount returning, you can plan the size.

Rocket mass heater flushing toilet in remote areas. How many would come to the pdc just to see that!
 
Michael Cox
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That sounds interesting if very smelly!

Unfortunately quite a lot of the stuff excreted in urine is volatile and would evaporate with the water, ending up in your "distilled" water.
 
wayne fajkus
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Not optimal (i need a screened container for airflow), but i added some goji berries to dry.
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wayne fajkus
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I misstated earlier about the golden color in some jars. It seems to be algae in the seawater. It progressively goes away. I keep pouring water to the right to get it denser(as it evaporates). The golden color at left is straight seawater, not condensed. As you go to right it dissapears and is condensed.
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wayne fajkus
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Started a second box with stuff laying around. Only purchase so far was a glass frame from storm door ($2 at habitat restore).

Just a box with ply bottom and 1x12 sides. I'll use the storm door mechanism to allow it to open, something my first one doesn't have.

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About the rocks, I think you should weight them before and after if you have access to a nice scale. You should also completely dry them before weighting. This way you can see how much rock mass is going down the drain with the distilled water. If I'm not wrong, it "rains" and wets the rocks before going down the drain. Is that right?
 
wayne fajkus
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I dont have the distilled water set up. I will some day though.  I have to rebuild the top part. I put a vent hole in top and bottom so vapor could exit. While i can't distill, i can dehydrate foods with this set up.
 
wayne fajkus
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Made progress on new box. The $2 storm door panel made it easy. I was able to use mending plates for the hinge and the latch. Inside is flat black. Outside is white. Silicone weatherstrip on top to seal glass. Pretty easy.

I'll put a gallon of water in to see what temp it reaches (closed sealed box). For dehydrating i would leave gap in lid. I probably need to add a heat sink in bottom.
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wayne fajkus
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I was condensing the water in the original box today. It was hot. I put the meat thermometer in the water. It stopped at 139.9 degrees f. 140 wpuld have been nice. Not bad for having vent holes so vapor can escape. Outside temp is 99f. Full sun.

 
wayne fajkus
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I put some shallow dishes in to increase surface area. The salt forming in those is cool looking. They are squares.

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