| 摘要 |
A method for preparing hydroxylammonium in a reaction zone in a continuous process, comprising optionally directly introducing nitric acid comprising < 0.1 ppm Mo into the reaction zone; wherein the nitric acid introduced is transported, stored, transferred in vessels and pipes comprising steel; wherein the reaction is carried out in vessels of which the walls of the vessels and connecting pipes comprise steel; wherein said steel comprises 0 to 0.08 wt% C and 0 to 0.03 wt% Mo. |
