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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Proto-Type of Replicable Industrial Black Sea H2S Gas Extraction Plant
verfasst von : Salah A. Naman, I. Engin Ture, T. Nejat Veziroglu
Erschienen in: Macro-engineering Seawater in Unique Environments
Verlag: Springer Berlin Heidelberg
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Abstract
Hydrogen sulfide gas (H2S) is flammable and poisonous. It is soluble in water, and it can also corrode pump and pipe metals such as iron, steel, copper and brass. The equilibrium concentration of H2S gas in the Black Sea is 10 ppm at 1,000 m depth. For mega-engineering purposes, H2S should be extracted without conversion to other molecules and it should be concentrated to 10,000 ppm or more, in order to bring it to concentrations similar to natural gas (methane), for which the technology has already been well developed for a long period of time, in order to produce useful hydrogen gas fuel. The solution of H2S gas in seawater is non-ideal and the extraction of this gas from seawater should be through Henry’s law and it depends on the physical and chemical variables (such as: concentration, pH, salinity, pressure of stripping pump, temperature, height of the stripping tower, etc.). These variables can be studied through Le Chatelier’s principle to find the equilibrium concentrations of H2S in the Black Sea.