• How to get nitrogen?

    Anna Piskunova
    Anna Piskunova
    May 8, 2015
    How to get nitrogen?

    The absence of some chemical compounds in our life creates conditions under which life as such is impossible. We can observe such a picture in the absence of nitrogen, which is involved in the basic processes of human activity. But in nature, pure nitrogen is difficult to produce. For this, chemical industry experts carry out certain reactions. Let's see how to get nitrogen.

    Nitrogen production

    To begin, consider the first method of producing nitrogen, which may be familiar to us from the course of inorganic chemistry of high school:

    • decomposition of ammonium nitrite;
    • ammonia oxidation, as well as the transmission of ammonia over copper oxide;
    • the reaction of the interaction of nitric acid and metals;
    • decomposition of various salts under the action of temperature (for example, Na, Li and others).

    In more detail we will stop on the first way of receiving nitrogen by decomposition of ammonium nitrite. To do this, a saturated solution of ammonium sulfate is added to a saturated solution of sodium nitrite. Next, clean nitrogen from impurities.

    There is also an industrial process consisting of fractional gas distillation.A similar technology is used not only to produce nitrogen, but, for example, to obtain oxygen. The process is labor intensive and has three stages, but as a result pure nitrogen is obtained.

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