December 11, 2017 –  Impact of Opportunity Crudes on Fouling in Preheat, Distillation and Furnace Systems” by Parag Shah, Vice President Technical Services, Dorf Ketal has been published as a White Paper by Hydrocarbon Publishing. The risk of fouling increases as more opportunity crudes are processed. Mechanisms of fouling are discussed and the need for innovative desalter chemistries and high temperature corrosion inhibitors presented. The white paper can be viewed here and at  

October 23, 2017 – Dr. Rita Cristina da Silva will present “Synergistic Combination of Products for Optimization of Oil Well Production and H2S Reduction at OTC Brazil 2017 on October 24th at 12:35 hr. in Sala 204C. The presentation will address maximization of oil production in deep water resulting from a joint effort between Dorf Ketal and a major oil producer in Brazil.

OTC Brazil

May 16, 2017 - David Comer, Technical Manager Dorf Ketal Chemicals is presenting TANSCIENT at the June COQA meeting in St. Louis. TANSCIENT is new corrosion inhibition chemistry which increases refining flexibility and profitability in the use of high TAN crudes.

Historically, refiners have preferred to use metallurgy as the primary strategy to increase TAN limits. The use of phosphorus based inhibitors is a common chemical corrosion inhibition strategy; however, some users have experienced phosphate fouling in downstream hydro-processing operations attributed to these inhibitors and have limited the amount of allowable phosphorus.

An improved understanding of the corrosion inhibitor chemistry has led to the design of TANSCIENT, new chemistry that controls corrosion with reduced fouling. It is a polymeric phosphate triester with a synthesized alcohol which increases thermal stability and oil solubility. This chemistry innovation combined with improved monitoring technologies is changing refiners’ perspectives on TAN management and increasing refiner flexibility in the use of high TAN crudes to increase profitability.