Method for reducing elemental sulfur pick-up by hydrocarbon flui

Details Method for reducing elemental sulfur pick-up by hydrocarbon flui Method for reducing elemental sulfur pick-up by hydrocarbon flui

1994-10-07

1997-04-08

Myers, Helane

Mineral oils: processes and products

Miscellaneous

208 98R, 137 13, C10G 4500

Patent

active

056184085

ABSTRACT:
The amount of elemental sulfur or other sulfur contaminant picked-up by refined hydrocarbon product such as gasoline, diesel, jet fuel, kerosene or fuel additive such as ether, which is pipelined in a pipeline used to transport sour hydrocarbon fluids, is reduced by controlling the level of dissolved oxygen in the refinery hydrocarbon product to which is to be pipelined, said dissolved oxygen level being held to a level of about 30 wppm and less, preferably about 20 wppm and less. The dissolved oxygen level in the refined hydrocarbon product is controlled by reducing the amount fair injection employed in mercaptan or disulfide reduction production increases or by the use of oxygen scavengers prior to the introduction of the refined hydrocarbon product into the pipeline, or by limiting the exposure of the product to air in oxygen during transport or storage.

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"Adsorption of N.sub.2, O.sub.2, CO.sub.2 and H.sub.2 on Hydrotalcite-like System": Mg.sup.2+ -Al.sup.3+ -(Fe(CN)6).sup.4-, Miyata et al, Clays and Clay Minerals, vol. 26 No. 6, pp. 441-447 (1978).

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