Featured in Lean machines – 09-2011

Ammonium hydroxide attacks panels

Module test: Aggressive ammonium hydroxide develops in livestock barns, which may lead to corrosion on solar panels. Various institutions in Germany, among them the German Agricultural Society DLG and TÜV Rheinland, have reacted and now offer an ammonia test for panels. TÜV Rheinland recently commissioned an accessible test chamber and now awards an official quality seal, but DLG has doubts about the practicability of the test.

By

pv magazine

31 Aug 2011

1

“In one place, I saw a roof gutter that had corroded completely after ten years,” reports Willi Vaaßen, Head of the Regenerative Energies division at TÜV Rheinland when interviewed about the aggressiveness of ammonia. The pungent gas develops in livestock barns when animal excrements rot. The concentration is especially high in pigsties and chicken coops. …

This article is part of pv+

Subscribe digitally to unlock exclusive investigative reporting, expert insights, in-depth analysis, and premium background coverage. Your subscription also includes full access to the digital edition of our magazine.