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Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs.The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already ...
Companies may use seawater for this process due to its low cost. The water used is usually brackish water or brine (i.e. a solution with >0.5% salinity). In these cases, additional contaminant chemicals may be present in the water feed. The low voltage DC current still performs electrochlorination.
Desalination costs in 2013 ranged from US$0.45 to US$1.00/m 3. More than half of the cost comes directly from energy costs, and since energy prices are very volatile, actual costs can vary substantially. [106] The cost of untreated fresh water in the developing world can reach US$5/cubic metre. [107]
While some companies claim a traditional pool can cost up to $55,000, Brabant estimates an endless pool can cost twice as much. “Costs typically start around $30,000 and can exceed $100,000 for ...
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This is because geothermal power is traditionally produced at a competitive cost compared to other energy sources including fossil fuels; a 2011 study estimates the cost to be $0.10/kWh. [2] Specifically, the US Department of Energy has estimated that geothermal desalination can produce desalinated water at a cost of $1.50 per cubic meter of ...
The cost is high. Investments in such facilities are expected to run at least $1 billion, limiting them to large, well-funded water supply utilities, officials said.
Nevertheless, there is a recent study for the saline groundwater [34] concluding that a plant capable of producing 1 million gal/day would produce water at a cost of $1.30/1000 gallons. Being this true, it would be a cost-competitive device with the reverse osmosis ones.
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