用化学药剂在一定条件下进行反应后用水萃取，并用 电脱水的方法脱除金属.研究了注药剂量、反应温度和反应时间等因素对脱除率的影响.
Removing metal contaminants in heavy oils can reduce high-temperature corrosivity of the oils during combustion process.Because some heavy metals in heavy oils such as Ni,V exist in porphyrin compounds or oil-soluble compounds,it is very difficult to get rid of them.In this paper,the demetallizing reagent is used by a mediumtype test facility to react with the heavy metal,and the metal contaminants are removed by electric-desalting finally.The influence of reaction temperature,reaction time and electric-field strength on the removal rate has also been studied.This technology is one new method to solve the high-temperature corrosion problem, and can be applied for industrial mass production.
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