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2. Ceramic water filter - Wikipedia

   en.wikipedia.org/wiki/Ceramic_water_filter

   Ceramic water filters (CWF) are an inexpensive and effective type of water filter that rely on the small pore size of ceramic material to filter dirt, debris, and bacteria out of water. This makes them ideal for use in developing countries , [ 1 ] and portable ceramic filters are commonly used in backpacking .

3. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   Water filters can be made on-site using local materials such as sand and charcoal (e.g. from firewood burned in a special way). These filters are sometimes used by soldiers and outdoor enthusiasts. Due to their low cost they can be made and used by anyone. The reliability of such systems is highly variable.

4. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   Filters use sieving, adsorption, ion exchanges, biofilms and other processes to remove unwanted substances from water. Unlike a sieve or screen, a filter can potentially remove particles much smaller than the holes through which its water passes, such as nitrates or germs like Cryptosporidium.

5. How worried should you be about forever chemicals? Here's ...

   www.aol.com/lifestyle/worry-forever-chemicals...

   You might want to keep your potentially PFA-heavy hiking boots, given their unique waterproof function, but try your best to avoid PFAs in your water with a special water filter.

6. Mountain Safety Research - Wikipedia

   en.wikipedia.org/wiki/Mountain_Safety_Research

   Mountain Safety Research, or MSR, is a producer of camping, hiking and mountaineering equipment, such as portable stoves, water filters, snowshoes, and tents.While specializing in lightweight and technical equipment, MSR's gear is designed for a wide range of outdoor enthusiasts from novice to expert mountaineers.

7. Nanotechnology for water purification - Wikipedia

   en.wikipedia.org/wiki/Nanotechnology_for_water...

   Carbon nanotube combined with electrochemistry proved to be the best method for water and wastewater purification. Electrochemistry helps in reducing the fouling rate of the CNT. In case of CNT based ultra-filters modified with electrochemistry, helps in reducing the energy by two folds comparing to an unmodified CNT based filters. Thus ...