Exchange of experiences between Gelsenberg and Poelitz on March 27 and 28, 1944

Technical Report · Wed Apr 26 04:00:00 EDT 1944

OSTI ID:6369249

Kiehn,

Information is included on various topics, including analyses of coal paste for fineness of grinding and percentage of solids, and on residue processing. It was reported that increased fineness of grinding of brown coal could increase the percentage decomposition of the coal from 97.7 to 98.8% and increase yields of products from 0.26 to 0.30 kg/liter/hr. The percentage of solids in coal or intermediate products of hydrogenation had been determined by use of a solvent such as benzene. However, benzene could give inaccurate information for asphalt-rich substances and a better solvent might be a heavy oil from the hydrogenation process itself. The catalysts used in the liquid phase at some of the coal-liquefaction plants are mentioned. Gelsenberg used 1.8% Bayermasse (impure iron oxide), 1.2% iron sulfate, and 0.3% Sulfigran (sodium sulfide). Two tables compared the characteristics of the coals used and products and residues obtained at Poelitz and Gelsenberg in the liquid phase. Gelsenberg used a coal with higher carbon content (83.0 vs. 81.1%) and lower oxygen content (9 vs. 12%) than did Poelitz. Gelsenberg generally had slightly higher percentage of solids in residues and pasting oil than did Poelitz (about 22 and about 9 vs. about 20 and about 6%), but the percentage of those solids made up of ash was much higher at Gelsenberg (about 63 and 60 vs. about 45 and 30%). In centrifuging of residues, Gelsenberg generally added more oil to the centrifuge mixture (about 450 t oil/1000 t residues vs. about 400 t oil/1000 t residues). Centrifugation gave about 81.5% oil and 18.5% residue at Gelsenberg vs. about 72 to 76% oil and 28 to 24% residues at Poelitz.

• Research Organization: Hydrierwerke Poelitz, A.G. (Germany)
• OSTI ID: 6369249
• Report Number(s): TOM-75-539-542
• Country of Publication: United States
• Language: German

Related Subjects

01 COAL, LIGNITE, AND PEAT
010403* -- Coal & Coal Products-- Hydrogenation-- (-1987)
ASHES
ASPHALTS
BERGIUS PROCESS
BITUMENS
BROWN COAL
CARBONACEOUS MATERIALS
CATALYSTS
CENTRIFUGATION
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COAL
COAL LIQUEFACTION
COAL LIQUEFACTION PLANTS
COAL LIQUIDS
COMMINUTION
COMPARATIVE EVALUATIONS
DATA
DATA COMPILATION
DATA FORMS
ENERGY SOURCES
FOSSIL FUELS
FUELS
GERMANY
GRINDING
HIGH PRESSURE
HIGH TEMPERATURE
HYDROGENATION
INDUSTRIAL PLANTS
INFORMATION
LIQUEFACTION
MACHINING
NORMAL-MODE ANALYSIS
NUMERICAL DATA
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
PROCESSING
QUANTITY RATIO
RESIDUES
SEPARATION PROCESSES
SIZE
SOLVENT PROPERTIES
SYNTHETIC FUELS
TABLES
TAR
TECHNOLOGY TRANSFER
THERMOCHEMICAL PROCESSES
YIELDS