Evaluation of Coal Minerals and Metal Residues as Coal-Liquefaction Catalysts. Final Report
Description
The catalytic activity of various minerals, metallic wastes, and transition metals was investigated in the liquefaction of various coals. The effects of coal type, process variables, coal cleaning, catalyst addition mode, solvent quality, and solvent modification on coal conversion and oil production were also studied. Coal conversion and oil production improved significantly by the addition of pyrite, reduced pyrite, speculite, red mud, flue dust, zinc sulfide, and various transition metal compounds. Impregnation and molecular dispersion of iron gave higher oil production than particulate incorporation of iron. However, the mode of molybdenum addition was inconsequential. Oil production increased considerably both by … continued below
Physical Description
Pages: 481
Creation Information
Garg, D.; Givens, E. N.; Schweighardt, F. K.; Tarrer, A. R.; Guin, J. A.; Curtis, C. W. et al. February 1, 1982.
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Air Products and Chemicals, inc.
Publisher Info: Air Products and Chemicals, Inc., Allentown, PA (USA)Place of Publication: Allentown, Pennsylvania
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Auburn University
Publisher Info: Auburn Univ., AL (USA)Place of Publication: Auburn, Alabama
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Description
The catalytic activity of various minerals, metallic wastes, and transition metals was investigated in the liquefaction of various coals. The effects of coal type, process variables, coal cleaning, catalyst addition mode, solvent quality, and solvent modification on coal conversion and oil production were also studied. Coal conversion and oil production improved significantly by the addition of pyrite, reduced pyrite, speculite, red mud, flue dust, zinc sulfide, and various transition metal compounds. Impregnation and molecular dispersion of iron gave higher oil production than particulate incorporation of iron. However, the mode of molybdenum addition was inconsequential. Oil production increased considerably both by adding a stoichiometric mixture of iron oxide and pyrite and by simultaneous impregnation of coal with iron and molybdenum. Hydrogenation activity of disposable catalysts decreased sharply in the presence of nitrogen compounds. The removal of heteroatoms from process solvent improved thermal as well as catalytic coal liquefaction. The improvement in oil production was very dramatic with a catalyst.
Physical Description
Pages: 481
Notes
NTIS, PC A21/MF A01.
Subjects
Keywords
- Catalysts
- Catalytic Effects
- Chalcogenides
- Chemical Reactions
- Coal Liquefaction
- Cobalt
- Consumption Rates
- Data
- Denitrification
- Distillates
- Elements
- Experimental Data
- Functional Models
- Hydrogen
- Hydrogen Compounds
- Hydrogen Sulfides
- Hydrogenation
- Information
- Inorganic Phosphors
- Iron Compounds
- Iron Oxides
- Iron Sulfides
- Liquefaction
- Metals
- Mineral Wastes
- Minerals
- Molybdenum
- Nickel
- Nonmetals
- Numerical Data
- Organic Solvents
- Oxides
- Oxygen Compounds
- Phosphors
- Process Development Units
- Pyrite
- Pyrrhotite
- Solid Wastes
- Solvents
- Src-Ii Process
- Sulfide Minerals
- Sulfides
- Sulfur Compounds
- Synergism
- Thermochemical Processes
- Transition Element Compounds
- Transition Elements
- Wastes
- Yields
- Zinc Compounds 010405* -- Coal, Lignite, & Peat-- Hydrogenation & Liquefaction
- Zinc Sulfides
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- Other: DE83000164
- Report No.: DOE/ET/14806-27-Vol.1
- Grant Number: AC22-79ET14806
- Digital Object Identifier: https://doi.org/10.2172/6829488
- Office of Scientific & Technical Information Report Number: 6829488
- Archival Resource Key: ark:/67531/metadc1198278
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- February 1, 1982
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- July 2, 2018, 10:52 p.m.
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Garg, D.; Givens, E. N.; Schweighardt, F. K.; Tarrer, A. R.; Guin, J. A.; Curtis, C. W. et al. Evaluation of Coal Minerals and Metal Residues as Coal-Liquefaction Catalysts. Final Report, report, February 1, 1982; Allentown, Pennsylvania. (https://digital.library.unt.edu/ark:/67531/metadc1198278/: accessed May 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.