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Several reports and letters concerning the use of catalyst 7509 Ch-12 as a replacement for catalyst 5475 in processing tar and pitch to gasoline and fuel oil or gasoline and middle oil (in German)

Technical Report ·
OSTI ID:6176701
This collection of reports and letters concerned the question of which catalyst Poelitz would use for processing tar and/or pitch to aviation fuel. Ludwigshafen had been furnishing catalyst 5475 (molybdenum trioxide on brown-coal carbonization coke) to other plants processing tar and pitch, but they originally claimed that the scarcity of molybdenum would keep them from furnishing Poelitz with that catalyst. They claimed, though, that they had improved the earlier catalyst 6612 into a new catalyst 7509 Charge 12 (7% iron sulfate and 5% titanium sulfate carried on brown coal carbonization coke), which they claimed would work almost as well as 5475 as far as yield, losses to gas, distribution of product oils, and quality of fuel oil were concerned in processing tar residue (boiling above 325/sup 0/C) to gasoline and fuel oil. However, even they admitted that the new catalyst was noticeably worse in percentage of product decomposed, amount of hydrogenation residues, and losses of hydrogenation residue during carbonization, and that they hadn't extensively experimented yet on the new catalyst's effects in processing pitch to gasoline and middle oil. Poelitz believed that in processing pitch or different kinds of tar than Ludwigshafen had experimented on, and in producing mainly gasoline, the yields, losses to gas, and amount of hydrogenation residues to be processed would be even worse in comparison, and that the specific gravity of the liquid product would make it difficult to separate from the water formed in the reaction.
Research Organization:
I.G. Farbenindustrie, A.G., Ludwigshafen (Germany); Hydrierwerke Poelitz, A.G. (Germany)
OSTI ID:
6176701
Report Number(s):
TOM-75-570-584
Country of Publication:
United States
Language:
German