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Hydrogenation of lignite middle oils over Ruhroel catalyst at Leuna (in German)

Technical Report ·
OSTI ID:7220552
An experiment carried out using catalyst K413 and continuation of it using catalyst K429 are discussed. K413 had been found to be too strong when operating on lignite middle oils, in that it converted almost all the material into gasoline, leaving almost nothing to be recirculated in the process to allow for increased aromatics content and increased octane number. On the other hand, K429 was a somewhat weaker catalyst, so it was expected to improve the balance of the products. The experiment with K413 had started with a 1:1 mixture of lignite A-middle oils and B-middle oils from the 5058 chamber; this mixture had a density of 0.870, aniline point of 32/sup 0/C, distillation endpoint of 325/sup 0/C, and phenol content of 5 percent. The experiment started with a loading of 0.2 to 1.0 kg/l/hr, temperature of 26.0 to 26.5 mV, pressure of 700 atm (600 atm hydrogen partial pressure), and product:gas ratio of 1:3000. Since the whole product had essentially been distilled by 162/sup 0/C at these conditions, the conditions were later changed to loading of 2.0 kg/l/hr and pressure of 530 atm (450 atm hydrogen partial pressure). Even then, 82 percent of the product was still gasoline distilled up to 165/sup 0/C, and essentially all of the product had distilled by about 225/sup 0/C. The phenol content of the product was about 0.01 percent, the octane number of the gasoline was 79.5 by the research method, and the aniline point was 40/sup 0/C. The catalyst stayed in excellent condition throughout the experiment.
Research Organization:
Ruhroel, G.m.b.H., Bottrop (Germany)
OSTI ID:
7220552
Report Number(s):
TOM-7-577-579
Country of Publication:
United States
Language:
German

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010403 -- Coal & Coal Products-- Hydrogenation-- (-1987)
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
010600 -- Coal
Lignite
& Peat-- Properties & Composition
ANTIKNOCK RATINGS
BROWN COAL
CARBONACEOUS MATERIALS
CATALYSTS
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
COAL LIQUIDS
ENERGY SOURCES
FOSSIL FUELS
FUELS
GASOLINE
HIGH PRESSURE
HIGH TEMPERATURE
HYDROGENATION
LIGNITE
LIQUEFACTION
PETROLEUM PRODUCTS
THERMOCHEMICAL PROCESSES
YIELDS