Hydroxylamine → Hydroxylamine sulfate

참여 물질

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In a 50 m3 stirred tank, 32 m3/h of a suspension of 30 g/l of catalyst (0.5% Pt on graphite) in sulfuric acid (16.6% by weight) were pumped continuously. The liquid level in the stirred tank was approximately 75%. Into the liquid in the stirred tank were introduced at 39.2° C., 1100 Nm3/h of exhaust gas from a hydroxylamine plant comprising 73.9% by volume H2, 18.0% by volume NO, 3.8% by volume N2O and 4.3% by volume N2. In this case the NO was virtually completely reacted to form hydroxylammonium sulfate. 450 Nm3/h of exhaust gas comprising 84.4% by volume H2, 0.1% by volume NO, 6.8% by volume N2O and 8.7% by volume N2 left the stirred tank. The conversion rate based on NO was 99.8%.

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