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<blockquote data-quote="Caustic Burno" data-source="post: 1521311" data-attributes="member: 694"><p>Olefinic fuels are made through catalytic cracking. The technology is basically pre WWII discovered by Eugene Huidry.This is nothing new, what is new through the years we have switched to higher sulfur crudes to meet demand. These heavier higher sulfur crudes through technology are ran through refineries and desulfurized versus sweet crudes. </p><p>The heavier high sulfur crudes contain more sulfur, chloride and nitrogen molecules that increases degradation.</p><p>I hope I explained this well.</p><p>The best example I can give is Mayan crude is about 80% resid. The best I can explain resid in simple terms is it is asplalt in consistency, these are very long hydrocarbon chains of C50+ broken down to C-16 cetane(diesel) and C-8 (gasoline)octane.</p><p>Every carbon atom must have four bonds typically a hydrogen. The longer the chain the more nitrogen, sulfur, chloride and ammonia molecules get attached. The sulfur molecules are removed a lot of the nitrogen and chlorides are left.</p><p>Today's complex refinery can convert 90% of the barrel to gasoline blending components.</p><p></p><p>Sometimes peculiar things happen we don't fully understand. Mayan crude ran through a Resid Hydrotreater makes </p><p>Fluorescent pink kerosene. This fails Water white specs for jet fuel so it gets dumped into the Diesel pool.</p></blockquote><p></p>
[QUOTE="Caustic Burno, post: 1521311, member: 694"] Olefinic fuels are made through catalytic cracking. The technology is basically pre WWII discovered by Eugene Huidry.This is nothing new, what is new through the years we have switched to higher sulfur crudes to meet demand. These heavier higher sulfur crudes through technology are ran through refineries and desulfurized versus sweet crudes. The heavier high sulfur crudes contain more sulfur, chloride and nitrogen molecules that increases degradation. I hope I explained this well. The best example I can give is Mayan crude is about 80% resid. The best I can explain resid in simple terms is it is asplalt in consistency, these are very long hydrocarbon chains of C50+ broken down to C-16 cetane(diesel) and C-8 (gasoline)octane. Every carbon atom must have four bonds typically a hydrogen. The longer the chain the more nitrogen, sulfur, chloride and ammonia molecules get attached. The sulfur molecules are removed a lot of the nitrogen and chlorides are left. Today’s complex refinery can convert 90% of the barrel to gasoline blending components. Sometimes peculiar things happen we don’t fully understand. Mayan crude ran through a Resid Hydrotreater makes Fluorescent pink kerosene. This fails Water white specs for jet fuel so it gets dumped into the Diesel pool. [/QUOTE]
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