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Why does SFA International not sell a solid combustion catalyst?

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Why does SFA International not sell a solid combustion catalyst?

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Several companies sell ferrocene – known chemically as dicyclopentadienyl iron(0) – as a combustion catalyst. Ferrocene is a crystalline product containing 30% iron by weight. Ferrocene is a very convenient way to ship an oil-soluble iron compound. However, it has a problem – very limited solubility in fuels. When ferrocene in solid form -known as “caplets” or “crumbs” – is added to fuel, significant effort is required to insure that the solid dissolves in the fuel. Unless that effort is made to dissolve the product in the fuel, the catalyst will not function. This is one of the reasons for limited and sporadic success with solid forms of catalyst. All Diesel fuel contains water that accumulates at the bottom of the fuel tank. Caplets or crumbs added to the tank are more dense than the fuel and settle immediately to the bottom of the tank – and frequently into the water on the bottom of the tank. They do not dissolve and there is no benefit from the catalyst. Because of these problems,

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