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Definition of Sour water

Sour water Definition from Science & Technology Dictionaries & Glossaries
Technical English by wpv
Waste water containing malodorous materials, usually sulfur compounds.
Sour water Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Sour gas is natural gas or any other gas containing significant amounts of hydrogen sulfide (H2S). Natural gas is usually considered sour if there are more than 5.7 milligrams of H2S per cubic meter of natural gas, which is equivalent to approximately 4 ppm by volume under standard temperature and pressure. However, this threshold varies by country, state, or even agency or application. For instance, the Texas Railroad Commission considers a sour gas pipeline one that carries gas over 100 ppm by volume of H2S. However, the Texas Commission on Environmental Quality has historically defined sour gas for upstream operations – which requires permitting, reporting, and possibly additional emission controls – as gas that contains more than 24 ppm by volume. Natural gas that does not contain significant amounts of hydrogen sulfide is called "sweet gas."

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