Absorbent
Every petroleum product has
impurities, toxic or poisonous material where sulphur is one of them,
which is present in higher percentage above all other, so for removing
sulphur content, which may be in the form of hydrogen sulphide trace,
are mostly absorbed on solid surface after maximum removal in
pretreatments operations, for absorption process a Zinc oxide
is used as absorbent, it made into cylindrical shaped extrude which is
used to absorb Hydrogen Sulphide into its small pores, and the
dimensions of the cylinder would be about 4mm diameter and 8 mm height.
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