With increasing acid value, density, salt and sulfur in Liaohe Crude, The HCI-H2SO4-H2O corrosion in overhead condensing system of atmospheric-vacuum unit was deteriorating.
辽河原油逐年来酸值增高、密度变大、含盐和含硫量有所增加,常减压塔顶冷凝冷却系统的“HCI - H_2S - H_2O”腐蚀日趋严重。
With increasing acid value, density, salt and sulfur in Liaohe Crude, The HCI-H2SO4-H2O corrosion in overhead condensing system of atmospheric-vacuum unit was deteriorating.
辽河原油逐年来酸值增高、密度变大、含盐和含硫量有所增加,常减压塔顶冷凝冷却系统的“HCI - H_2S - H_2O”腐蚀日趋严重。
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