Hidrogén előállításának lehetőségei

Possibilities of hydrogen production

  • BÖLKÉNY Ildikó
  • VADÁSZI Marianna
Keywords: hidrogénelőállítás, gőzreformálás, parciális oxidáció, autotermikus reformálás, elektrolízis

Abstract

In the 16th century, Turquet De Mayerne was the first to describe the formation of hydrogen. Then not long after, in 1671, Robert Boyle reported independently of him. Finally, in 1776, Henry Cavendish discovered it as a stand-alone element. [1] Its name is derived from the Greek word hydrogen, which means aquifer. Hydrogen is the lightest element, it has a high calorific value and a high heat of combustion, it is flammable and explosive in a wide concentration range, and it is a rapidly diffusing, mixing gas. [2] Although one of the most common elements in the universe, it is not free on Earth, it occurs only in its compounds in enormous quantities. It can be produced from hydrogen compounds by various processes using energy. The article presents some possibilities of hydrogen production, without claiming to be exhaustive.

Kivonat

A XVII. században elsőként Turquet De Mayerne írta le a hidrogén keletkezését. Majd nem sokkal később, 1671-ben tőle függetlenül Robert Boyle is beszámolt róla. Végül 1776-ban Henry Cavedish felfedezte, hogy önálló elem. [1] Nevét a görög hydrogénium szóból származtatjuk, amely jelentése vízalkotó. A hidrogén a legkönnyebb elem, fűtőértéke, égéshője nagy, széles koncentrációs tartományban éghető és robbanóképes, továbbá gyorsan diffundáló, keveredő gáz. [2] Ugyan a világegyetem egyik leggyakoribb eleme, de a Földön szabadon nem, csak vegyületeiben fordul elő hatalmas mennyiségben. A hidrogén vegyületeiből előállítható, különböző eljárásokkal, energia felhasználásával. A cikk a hidrogén előállítás egyes lehetőségeit mutatja be, a teljesség igénye nélkül.

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Published
2020-06-18