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f Contact can irritate and burn the skin and eyes. f Inhaling Petroleum Distillates can irritate the nose, throat and lungs. f Petroleum Distillates can affect the nervous system causing headache, dizziness, nausea, and loss of balance and coordination. f Petroleum Distillates may affect the liver and kidneys.
Chemistry. The type and amount of impurities to be removed by catalytic hydrotreating in a petroleum distillate can vary substantially depending on the type and source of the feed.ydrodeasphaltenization The way in which asphaltenes react is very important during hydrotreating. It is to be remembered that asphaltenes reduce the reaction rate of other reactions during hydrotreating, since asphaltenes are coke precursors that deactivate catalysts by plugging the catalytic sites.