How can I build my own Reverse Osmosis water filter system?

Posted on May 3rd, 2009 by admin

Filed under Reverse osmosis water filters |


Okay so we need a semipermeable membrane, and some means to produce pressure of 24.5 atmospheres (actually 101.5 for a reasonable rate of freshwater production) so thats 103,000,000. dynes/cm^2. Apart from that just salt water.

2 Responses

  1. Auggie Says:
    May 4th, 2009 at 2:06 am

    Okay so we need a semipermeable membrane, and some means to produce pressure of 24.5 atmospheres (actually 101.5 for a reasonable rate of freshwater production) so thats 103,000,000. dynes/cm^2. Apart from that just salt water.
    References :
    Friedman, R., 1990, Salt-free water from the sea, Sea Frontiers, 36 (3), 48-54.

  2. wally Says:
    May 4th, 2009 at 2:38 am

    First you start our with about 5 million dollars.
    References :

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