Cleaning 'produced water' from natural gas wells, potential for improved desalination plants for developing countries

Increased natural gas production is seen as a crucial step away from the greenhouse gas emissions of coal plants and toward U.S. energy independence. But natural gas wells have problems: Large volumes of deep water, often heavily laden with salts and minerals, flow out along with the gas. That so-called "produced water" must be disposed of, or cleaned.

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