The present invention relates to a method for inhibiting high temperature corrosion of corrosion prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of an additive aromatic compound tri-substituted with acidic functionalities selected from 5-hydroxyisophthalic acid and 1,3,5-benzenetricarboxylic acid, typically up to 1000 wppm, to the metal surface.
                            本发明涉及一种抑制易腐蚀
金属表面被含有机酸的石油液流高温腐蚀的方法,其方法是向
金属表面提供有效缓蚀量的添加剂芳香族化合物,该添加剂具有选自 
5-羟基间苯二甲酸和 1,3,5-苯
三羧酸的酸性官能团,通常高达 1000 wppm。