The purpose of this document is to provide instructions for the use of TC200A an oilsoluble ultrahigh alkali
magnesium additive specifically designed to inhibit vanadium in ashforming crude and residual fuels for gas
turbines
TC200A additive is a turbinequality oilsoluble organomagnesium fuel additive prepared by reacting high
purity magnesium compounds with carboxylic acid It possesses excellent physical and chemical properties and
is proprietary in its formulation The additive can be easily dissolved in heavy fuel oil in any proportion
The primary function of TC200A additive is to supply available MgO which reacts with V2O5 present in heavy
fuel oil forming a highmeltingpoint vanadium magnesium compound through chemical combination This
compound effectively inhibits vanadium corrosion and results in the formation of dispersed ash that is carried
away with the turbine exhaust gas
The recommended dosage of TC200A additive in heavy fuel oil is around 3 to 35 MgV3 to 35 or as per the
instructions provided by the gas turbine manufacturer When calculating the additive dosage the nickel content
in the heavy fuel oil must be considered along with vanadium
TC200A additive is manufactured in strict accordance with GE standard GEK28150B It exhibits stability to
hydrolysis is oilsoluble nonvolatile and harmless The additive is suitable for use in heavyduty gas turbines
employed in industrial marine and utility applications
Additive Type Oil Soluble and oil spersed
Magnesium content 20
Physical appearance Brown or black viscous liquid
Density 120125gml 20
Viscosity 60mm2s 40
Flash Point 65
Pour Point 20
NaK 50mgKg
Ca 500mgKg
Pb 5mgKg
V 5mgKg
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