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I followed this recipe and have had EXCELLENT success with it.Sadly the link to "recycling" it does not work.
I followed this recipe and have had EXCELLENT success with it.Sadly the link to "recycling" it does not work.Sadly the link to recycli
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Interesting but your calculations on what this will filter are way off. I assume you just tossed up random percentages, because most of those are literally impossible with the materials you are using in the process of its construction. Yes, actually gas mask filters to use activated charcoal, however they use both in a dust form as well as compressed sheet to ensure all gases and aerosols make contact with a carbon. With your filter there is too many uncovered areas that allow the chemicals and toxins to pass. Also a coffee filter has a much large porous surface then filters and a military-grade my gas mask. Your filter might block out some smoke and some chemicals, but will not protect against NBC contaminants. If you work on it, it may get to a safer point. However this is not going to actually protect you from anything and should NEVER be counted on to survive. Even in a situation like a house fire, you'd be better off with a wet cloth over this.If this is just an experiment, I would do some more research and play with different techniques to better spread the carbon and create beter filters. Otherwise, if you are wanting something you can actually depend on, purchase a gas mask. You can get an Israeli gas mask for less than $20 that are designed for their civilian population and have a proven track record.-Retired military, certified Hazmat and NBC instructor
Solar still do NOT make urine completely safe to drink. Solar stills only remove impurities such as salts, heavy metals and other dissolved solids, and does eliminates microbiological organisms. However any chemicals (with boiling points anywhere near water) in the source sample, will still evaporate and condense with the water. In a solar still you can't control the evaporation point, so all of those chemicals and toxins your body flushes will still transfer. It will be safer to drink than pure urine or other source water to be treated, but a solar still can NOT produce pure water. Only separate those heavier contaminants with much higher boiling points and any organic materal and other dissolved and undissolved solidsDistillation in the laboratory or controled setting can achieve extraction of pure water by using exact temperatures. Different chemicals have different boiling points and if you can focus on water's boiling point, it will evaporate leaving behind any chemicals that have a higher boiling point.
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