Corrosion in alkylation unit horizontal contractorsis successfully mitigated by saturating flesh alkylation acid with ferrous sulfate.
Keywords: alkylation unit horizontal contactor, sulfuric acid, ferrous sulfate, corrosion inhibition, temperature, water concentration, liquid flow, welding, stress relief, normalizing, acid regeneration, carbon steel, ductile iron, 316 stainless steel, Alloy UNS N08020, Alloy UNS N06625.