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2. Ceramic water filter - Wikipedia

   en.wikipedia.org/wiki/Ceramic_water_filter

   A Victorian 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. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   This was an enlightened procedure to obtain sterilized drinking water as well as to keep it aesthetically pleasing. This method was directed at individuals and households rather than for use as a community water source. 2,000 years ago, Mayan drinking water filtration systems used crystalline quartz and zeolite. Both minerals are used in modern ...

4. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Water purification. Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out ...

5. Sand filter - Wikipedia

   en.wikipedia.org/wiki/Sand_filter

   Sand filter used for water treatment. Sand filters are used as a step in the water treatment process of water purification . There are three main types; rapid (gravity) sand filters, upward flow sand filters and slow sand filters. All three methods are used extensively in the water industry throughout the world.

6. Six technologies that produce clean, safe drinking water

   www.engadget.com/2016-09-17-six-technologies...

   A built-in desalination system uses some of the electricity produced to create clean drinking water, and the rest of the electricity is fed back to shore and added to the grid. The utility-scale ...

7. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   Portable water purification unit used by International Red Cross and Red Crescent. Portable water purification devices are self-contained, easily transported units used to purify water from untreated sources (such as rivers, lakes, and wells) for drinking purposes. Their main function is to eliminate pathogens, and often also of suspended ...