The issue of purity of ammonia water produced from liquid ammonia
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I would like to ask the experienced experts: is it possible to prepare ammonia solution with a concentration of 23–28% (analytical grade) using industrial liquid ammonia? Which of those impurities can affect the quality of ammonia water? Is the economic efficiency of producing in this way high?
LZ, this ammonia has a high purity. If the purity requirement is not high, the ammonia produced during the purification process can be used
To prepare ammonia water of analytical purity, analytical-grade liquid ammonia is required; industrial-grade liquid ammonia cannot be used to directly produce ammonia water of analytical purity. No wonder the quality of many analytically pure ammonia solutions used for testing is substandard; it turns out that people like the poster are using this method to prepare ammonia solutions.
It’s used for boiler denitration, right? It’s actually quite simple: the boiler water is absorbed at room temperature and under normal pressure, and a circulation pump is used to mix it up – that’s all there is to it; no complicated procedures needed
No problem, some friends do exactly that
Using liquid ammonia for this isn’t sufficient to cover the labor costs associated with material intake and output