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Heavy recycle solvent studies in two-stage coal liquefaction. Final technical report, September 1, 1982-December 30, 1983
The objective of this program has been to study the chemistry of the components with high boiling points in a direct coal liquefaction recycle solvent and to identify those components which lead to higher overall yields and improved product stability in the initial coal dissolution step of direct coal liquefaction processes. The major conclusions are: -454 C recycle solvent is primarily aromatic hydrocarbons (73%) and contains almost no asphaltenes; +454 C recycle solvent is primarily asphaltenes and aromatic hydrocarbons; recycle solvent also contains aliphatic hydrocarbons, N-containing aromatics and O-containing aromatics; heteroatoms in coal derived materials seem to be grouped by type, i.e. acidic O and basic N and sulfur occur together; under helium a small net amount of hydrogen and more CO and CO/sub 2/ are produced than under hydrogen; under hydrogen the amounts of H/sub 2/S and hydrocarbon gases are increased and a small amount of hydrogen gas is usually consumed; overall coal conversions to THF solubles are improved by adding more -454 C solvent but decreased by adding +454 C solvent; for added fractions of -454 C solvent the pecent conversion to THF solubles increases in the order aromatic hydrocarbons (+7.2) > aliphatic hydrocarbons (+0.8) > no added …
Date:
January 10, 1984
Creator:
Longanbach, J. R.
Object Type:
Report
System:
The UNT Digital Library
[2012.201.B0051.0266]
Men inspecting aircraft wreckage near a barn. Photograph taken for a newspaper owned by the Oklahoma Publishing Company.
Date:
January 10, 1980
Creator:
Longstreath, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0108.0265]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
January 10, 1986
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0148.0189]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Shari Cregan directs Jessica Blalock, 4, left, and Robin Lineback, 5, in a demonstration of ballet steps at the Ione Branch YWCA, 6103 NW 58."
Date:
January 10, 1980
Creator:
Tullous, Don
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0154.0556]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Marion Davis has formed a group to fight post-polio syndrome, a new problem she has encountered."
Date:
January 10, 1985
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0153.0397]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Midwest City Mayor Dave Herbert, left, and County Commissioners Shirley Darrell and Fred Snyder attended the luncheon."
Date:
January 10, 1983
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0551]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Geary farmer Burney Crothers speaks for crowd at wheat embargo protest rally in El Reno."
Date:
January 10, 1980
Creator:
Buehner, Jeff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0401]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Myrtle Beeson Cochran mixes ingredients in her wok for stir-fry chicken."
Date:
January 10, 1985
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0174.0412]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Crescent Academy patrons, from left, Oneita Lasley, Rhonda Fleming and Gail Puckett prepare invitations for the private, non-profit school's art exhibition and auction Feb. 1 ay Quail Creek Golf and Country Club."
Date:
January 10, 1985
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0243]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mr. and Mrs. Wilfred Clarke, left, find a place in front of one of the paintings still in place after the Phillips Collection exhibition closed at 6 p.m."
Date:
January 10, 1983
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0158.0704]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tractors driven by Canadian County farmers roll toward the federal Agricultural Stabilization and Conservation Service office in El Reno, where protests of the administration's embargo on grain sales to the Soviet Union were registered later."
Date:
January 10, 1980
Creator:
Buehner, Jeff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0145.0011]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Executive sectary of the Oklahoma Pecan growers Association / Gordon Couch."
Date:
January 10, 1982
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0145.0013]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Gordon Couch / Executive secretary of the Oklahoma Pecan growers Association."
Date:
January 10, 1982
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0145.0018]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "At a meeting of the Oklahoma Horticultural Society, Gordon Couch hives a presentation on pecan growing."
Date:
January 10, 1982
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Future impact of the experimental results from the Argonne ZGS
Experimental programs at Argonne ZGS are reviewed with emphasis on experiments using polarized beams.
Date:
January 10, 1980
Creator:
Yokosawa, A.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0312B.0277]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "In photo at left, Mr. and Mrs. Mike Mahaffey, left, and Mr. and Mrs. Warren "Doc" Jordan have a festive time at the Skirvin."
Date:
January 10, 1987
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0260.0617]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Highways - Talimena Scenic Dr."
Date:
January 10, 1985
Creator:
Howell, Paul S.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0257.0384]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Maestro Luis Herrera: "You want them to respond..."
Date:
January 10, 1980
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0257.0394]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
January 10, 1980
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0246.0343]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Burt Hamilton, left, and Johnnie Bailey visit and collect their plates before the meeting gets going."
Date:
January 10, 1980
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0257.0116]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
January 10, 1986
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0230.0239]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "At the buffet are Jan and Ken Griggy"
Date:
January 10, 1983
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0257.0373]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
January 10, 1980
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0231.0294]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Giving a progress report on her rug to Mrs. Glenn H. Grubb, right, is Mrs. C. M. Sperry, member of the Heirloom Rug Club."
Date:
January 10, 1984
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History