Kurita’s ACF Technology prevents fouling and corrosion. Ammonium salt fouling is an omnipresent threat in oil refineries that may lead to insecure operational conditions with high production losses. This salt deposition is frequently detected in fluid catalytic cracking main fractionator columns. Higher chloride concentrations in residue feedstocks can initiate ammonium salt fouling. Low main fractionator top temperatures of fluid catalytic cracking units will increase the fouling risk. Negative impacts are increased pressure drop, flooding of the top section and production losses.

Heat recovery is essential in process units, which are operated with reactors. Typical process units where ammonium salt fouling or corrosion occurs include hydrotreaters, hydrocrackers and catalytic reformers. Feed/effluent exchangers of hydroprocessing units and the stabiliser columns are equally affected.

With decades of experience, Kurita offers security, advising and supporting its customers in the various fields of application. The new ACF (Ammonium Chloride Free) Technology uses the benefits of a chemical programme to prevent fouling and corrosion.

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