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Housing - New Build: Removing moisture in air

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  1.  
    • CommentAuthorthumpin206
    • CommentTimeNov 24th 2007
     
    I was wanting to know if anybody has any info on removing moisture from the air from an earth duct system.
    We do not want to use air dryer. We want to use a natural process. Someone has mentioned
    waterfalls. The calcium in the water actually draws moisture to the waterfall. Does anyone have
    any info or can enlighten me on this subject. Thanks
    • CommentAuthorchuckey
    • CommentTimeNov 26th 2007
     
    I was taught at school that a waterfall results when a stream/river falls over a precipice. Not sure how the calcium attracts water into the stream.
    Calcium Chloride is Hydroscopic, i.e. it removes water from the air as does common salt. The problem is how do you get the whole volume of air in contact with the chemical. It is normally only a surface effect.
    Frank
    • CommentAuthorpauljaquin
    • CommentTimeNov 28th 2007
     
    If you use an earth wall or block of earth or similar, that will act to even out the relative humidity between the inside and the outside of the building. I don't know what an earth duct system is, but you can definitely use unstabilised earth (bricks or rammed earth) to change the internal relative humidity of a space, which is really what you are trying to do. Contact me if you want more details about how the process works.

    Paul

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