Сorrosion behavior of mild steel in ammonium sulfate environments depending on temperature
Abstract
In the present article the corrosion behavior of St3 mild steel in a liquid mineral fertilizer (LMF), namely in (NН4)2SО4 at different concentrations (5, 10, 25, 40% and in a prototype liquid fertilizer LikviFors brand NS 8:9) and temperatures (20, 35, 50 and 65°C) was studied. The evaluation of the corrosiveness of the liquid metallurgy included the study of corrosion of steel in three areas: in the bulk of the liquid, in saturated vapors above the solution, and along the waterline. All investigated solutions of (NН4)2SО4at 20°C are characterized by a decrease in the steel corrosion rate with time. Increasing the temperature of the LMC leads to an acceleration of corrosion of mild steel, especially along the waterline and in the vapor-gas phase.
About the Authors
G. E. G.E. Gornostaeva
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
Russian Federation
Russian Federation
Leninskii pr. 31, 119071 Moscow
G. V. Redkina
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
Russian Federation
Russian Federation
Leninskii pr. 31, 119071 Moscow
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For citations:
G.E. Gornostaeva G.E., Redkina G.V. Сorrosion behavior of mild steel in ammonium sulfate environments depending on temperature. Title in english. 2023;(3):51-63. (In Russ.)
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