2020-01-03 09:25:25

High Effect Organochlorine Transfer Agent

There are mainly two types of organochlorine compounds in crude oil, one type is the naturally occurring as the inherent components of crude oil , while another type is artificially added as the foreign matter during crude oil exploitation [4], transportation and refining. These organic chlorides tend to convert into hydrogen chloride (HCl) during the crude oil refining process such as distillation, FCC, hydrogenation, delayed coking, etc. Then, this HCl dissolved into a tiny amount of water to form a dilute hydrochloric acid solution, which, in turn, results in a serious corrosion to the top section of the distillation column and overhead condensing system . Moreover, the organic chlorides can form HCl in hydrogenation process, i.e., HDCl (hydrodechlorination). HCl can react with NH3 formed by HDN (hydrodenitrogenation) to form ammonium chloride (NH4 Cl). NH4 Cl can lead to a serious blockage to the heat exchanger  and under-deposit corrosion . Since in June 2013, due to the processing of high organochlorine crude oil the equipments of some refineries in China suffered from ammonium chloride blockage and corrosion, which caused production shrink or shutdown.

Without any change of the technique, many kinds of organic chlorine can be solved by adding Organochlorine Transfer Agent into crude oil before desalting unit . With the presence of this agent, chlorine element from organo chlorine could be transferred to water phase by molecular interaction to achieve an effective removal of organo chlorine.The product applies to all types of crude oil for organic chlorine removal. 

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