The Maya city of Tikal had an effective water filtration system. Between about 165 BCE and 1055 CE their main water reservoir used a mixture of the mineral zeolite and coarse, sand-sized crystalline quartz. The Maya people in Central America built elaborate systems of water management during the...
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doi:10.1016/S0015-1882(04)00252-6Filtration+SeparationGroupELSEVIERFiltration & Separation
12, indicates that the performance of the decentralized system is similar to that of the centralized system (Fig.5). However, when factoring in cost offsets from food production, rainwater harvesting and energy generation, the decentralized system becomes substantially more cost effective, potentially...
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Physical methods such as filtration or reverse osmosis can also be used [97]. The periodic or intermittent use of chemicals in question effectively reduced microbial counts in water samples below 200 CFU/mL. Therefore, they appear to be currently the best choice for unit decontamination. ...
and the self cleaning addition is just what i want in a cooler. our city water is not the best, so the filtration system makes sense for us to use. i no longer have to boil pots of water daily on the stove before i can drink it! it tastes really good now without having to do ...