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2. 1993 Milwaukee cryptosporidiosis outbreak - Wikipedia

   en.wikipedia.org/wiki/1993_Milwaukee...

   69. The 1993 Milwaukee cryptosporidiosis outbreak was a significant distribution of the Cryptosporidium protozoan in Milwaukee, Wisconsin, and the largest waterborne disease outbreak in documented United States history. It is suspected that The Howard Avenue Water Purification Plant, one of two water treatment plants in Milwaukee at the time ...

3. Amway - Wikipedia

   en.wikipedia.org/wiki/Amway

   Amway's eSpring water filter was introduced in 2000. According to Amway, it was the first system to combine a carbon block filter and ultraviolet light with electronic-monitoring technology in the filter cartridge and it became the first home system to achieve certification for ANSI/NSF Standards 42, 53, and 55.

4. Long Term 2 Enhanced Surface Water Treatment Rule - Wikipedia

   en.wikipedia.org/wiki/Long_Term_2_Enhanced...

   Public water systems (PWS) must conduct source water monitoring for cryptosporidium; Filtration systems for PWS with the highest levels of cryptosporidium; All unfiltered systems must inactivate cryptosporidium using disinfection technologies such as ozone, ultraviolet light, or chlorine dioxide.

5. Electrodeionization - Wikipedia

   en.wikipedia.org/wiki/Electrodeionization

   Electrodeionization. Electrodeionization (EDI) is a water treatment technology that utilizes DC power, ion exchange membranes, and ion exchange resin to deionize water. EDI is typically employed as a polishing treatment following reverse osmosis (RO), and is used in the production of ultrapure water. It differs from other RO polishing methods ...

6. Rotating biological contactor - Wikipedia

   en.wikipedia.org/wiki/Rotating_biological_contactor

   A rotating biological contactor or RBC is a biological fixed-film treatment process used in the secondary treatment of wastewater following primary treatment. [1][2][3][4][5] The primary treatment process involves removal of grit, sand and coarse suspended material through a screening process, followed by settling of suspended solids.

7. Coagulation (water treatment) - Wikipedia

   en.wikipedia.org/wiki/Coagulation_(water_treatment)

   Coagulation-flocculation process in a water treatment system. In water treatment, coagulation and flocculation involve the addition of compounds that promote the clumping of fine floc into larger floc so that they can be more easily separated from the water. Coagulation is a chemical process that involves neutralization of charge whereas ...