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TOTAL ACID NUMBER DISTRIBUTION IN A BRAZILIAN REFINERY OIL SAMPLE AFTER EXPOSURE TO DIFFERENT LEVELS OF HEATING IN THE PROCESS UNITS

机译:巴西炼油厂油样的总酸编号分布暴露于工艺单位的不同水平后

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摘要

Naphthenic acid corrosion was observed for the first time during the distillation process of certain types of crude oils since 1920. According to recent reports naphthenic acid corrosion has been found in China, India, Venezuela, Eastern Europe, Russia, and the United States. In the past, certain difficulties were encountered with regard to differentiating if the observed corrosion at high temperatures was due to naphthenic acids or sulfur. Now, it is known that naphthenic acid corrosion is associated with the total acid number (TAN), temperature, and fluid rate.
机译:自1920年以来某些类型原油的蒸馏过程中首次观察到环烷酸腐蚀。根据最近的报道,在中国,印度,委内瑞拉,东欧,俄罗斯和美国已发现环烷酸腐蚀。在过去,如果在高温下的腐蚀是由于环烷烃或硫的腐蚀,则遇到某些困难。现在,已知环烷酸腐蚀与总酸数(TAN),温度和流体速率相关。

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