Abstract
Taking the corrosion depth as the evaluation index, the influence law of different factors such as pH and moisture content of sludge, corrosion temperate on metal corrosion behavior was studied by single factor experiment. The corrosion product was characterized by SEM and EDX at last. The results show that the corrosion depth of A3 carbon steel increases with the increase of temperature, moisture content and acidity of sludge. The corrosion product of A3 carbon steel is mainly brown loose substance, the corrosion extent of carbon steel is deep and many elements are soaked into carbon steel. Metal corrosion results from different temperatures and different pH of sludge is non-uniform, while metal corrosion results from different moisture content of sludge is uniform.
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