3 ms·

High-efficiency water filter removes 99.9% of microplastics in 10 seconds

• jbotz 4y ago
  Not just microplastics, this can remove all sorts of contamination. The filter material is composed of "covalent triazine networks". Triazine is N3H3. Anybody know anything more about this, how economical this would be to produce at scale, how to depose of it after it's saturated, etc?
  • deleted 4y ago
    [deleted]
• nier 4y ago
  There are products that can filter out microplastics already: https://lifestraw.com/pages/compare https://lifestraw.com/pages/compare Reviews of Michael Pritchard’s LifeSaver bottle also say that it filters out microplastics and that was first demonstrated in 2007 and two years later recorded at a TED conference: https://m.youtube.com/watch?v=rXepkIWPhFQ https://m.youtube.com/watch?v=rXepkIWPhFQ By now his company also offers a canister-sized product: https://iconlifesaver.com/products/jerrycans/ https://iconlifesaver.com/products/jerrycans/
  • pajko 4y ago
    Sawyer [0] filters are better, I've been using them for a while on hiking and kayaking trips. Most filters advertise a membrane diameter of 0.2 microns, while Sawyer products have 0.1 microns, paired with a long enough lifetime to compensate for the residual waste produced (the filter itself). 0.1 microns is 100 nanometers, so it's capable of filtering microplastics, protozoa, all bacteria, and some viruses [1]. But not toxins, heavy metals and most viruses. Most of these hazardous materials could be eliminated by filters having very high surface area, like activated carbon, nano foam in Sawyer S1 and S3 products and the thing this post is about. [0] https://www.sawyer.com/product-categories/water-filtration https://www.sawyer.com/product-categories/water-filtration [1] http://book.bionumbers.org/how-big-are-viruses/ http://book.bionumbers.org/how-big-are-viruses/