<kim.frederiksen@gmail.com> skrev i en meddelelse
news:b4c987eb-1975-4742-850a-e17c78068101@w7g2000hsa.googlegroups.com...
> "Det går ikke at diesel er så billig..."
Lige en O.B.S ang. disel/benzin.
Efter Peak oil, står menuen på stadig mere og mere sur olie, da det er light sweet oil
der ligger øverst i reservoiret, og er det man helst vil have fat i til at fremstille benzin.
Det burde gøre disel billigere ind benzin i det lange løb, fordi,,,
http://www.platts.com/Oil/Resources/News%20Features/crudeanalysis/index.xml
"More than half the world's produced oil is heavy and sour in quality
and this proportion is expected to increase."
http://en.wikipedia.org/wiki/Sour_crude_oil
Sour crude oil contains the impurities hydrogen sulfide (H2S) and carbon dioxide, or mercaptans. All
crude oil contains some impurities. When the total sulfide level in the oil is > 1 % the oil is
called "sour".[1] The impurities will need to be removed before this lower quality crude can be
refined into gasoline, thereby increasing the cost of processing. This results in a higher-priced
gasoline than one made from sweet crude oil. Thus sour crude is usually processed into heavy oil
such as diesel and fuel oil rather than gasoline to reduce processing cost.
Sour oil is toxic and corrosive, with high levels of hydrogen sulfide.[2] At low concentrations the
oil has the smell of rotten eggs, but at high concentrations the inhalation of hydrogen sulfide is
fatal.[3] The oil is effectively odorless at more dangerous concentrations since it kills one's
sense of smell almost immediately. Such sour crude oil needs to be stabilized by having hydrogen
sulfide gas (H2S) removed from it before being transported by oil tankers for safety reasons.
Venezuela, Saudi Arabia, Iraq, Kuwait, Iran, Colombia and Mexico are major producers of sour crude
oil.
Jan Rasmussen