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2. Copper zinc water filtration - Wikipedia

   en.wikipedia.org/wiki/Copper_zinc_water_filtration

   Copper zinc water filtration is a high-purity brass water filtration process that relies on the redox potential of dissolved oxygen in water in the presence of a zinc anode and copper cathode. It uses dissolved impurities within water as constituent substrate, which are reduced to more physiologically inert compounds.

3. NSF International - Wikipedia

   en.wikipedia.org/wiki/NSF_International

   NSF (an initialism for National Sanitation Foundation) is a public health organization [1] headquartered in Ann Arbor, Michigan [2] that tests and certifies foods, water, and consumer products. [1] It also facilitates the development of standards for these products, [1] labeling products it has certified to meet these standards with the NSF ...

4. Which drinking water is healthiest? The pros and cons of tap ...

   www.aol.com/lifestyle/drinking-water-healthiest...

   While some bottled water is from a spring or filtration system, research shows that nearly 65% of bottled water sold in the U.S. comes from municipal tap water. But Rumpler says there can be ...

5. Water Quality Association - Wikipedia

   en.wikipedia.org/wiki/Water_Quality_Association

   The Water Quality Association (WQA) is an Illinois-based trade association representing the residential, commercial, industrial, and small community water treatment industry in the United States. [ 1 ] [ 2 ] It has more than 2,500 members consisting of both manufacturers as well as dealers/distributors of equipment.

6. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   Copper ion systems use an electric current across .500 gm bars (solid copper, or a mixture of copper and .100 gm or silver) to free copper ions into the flow of pool water to kill organisms such as algae in the water and provide a "residual" in the water. Alternative systems also use titanium plates to produce oxygen in the water to help ...

7. List of wastewater treatment technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wastewater...

   Sedimentation (water treatment) Septic tank; Septic tank conversion [2] Sequencing batch reactor; Sewage treatment; Skimmer (machine) Slow sand filter; Stabilization pond; Supercritical water oxidation (SCWO) Thermal hydrolysis; Treatment pond; Trickle-bed reactor; Trickling filter; Ultrafiltration; Ultraviolet disinfection; Upflow anaerobic ...