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Oxidation/gasification of carbon residue on retorted oil shale. Final report (open access)

Oxidation/gasification of carbon residue on retorted oil shale. Final report

Studies of the oxidation and gasification of oil shale char were extended to an investigation of the effects of mineral catalysis. Six shales with differing mineral compositions were studied, including samples from the saline zone in the Western Colorado and from the Antrim shales of Michigan. Oxidation kinetics data, corrected for mass transfer effects, were compared for all six samples. A high assay shale from Utah and a sample from the saline zone were found to have the highest oxidation rates. By examining the data for shales which were water leached and thermally pretreated, it was concluded that both NaO and CaO act as oxidation catalysts. However, as a result of mineral decomposition experiments conducted with a sample from the C-a lease tract, it appears as though the ankeritic dolomite fraction will not decompose as long as there is a minimal CO/sub 2/ over pressure. Rather, low temperature silication reactions appear to take place once the temperature exceeds 925/sup 0/K. An extensive evaluation was also completed for the gasification of an Antrim shale from Michigan. Both the rates of CO/sub 2/ and steam gasification of the char were found to be markedly lower than that observed for a shale sample …
Date: January 16, 1984
Creator: Thomson, W. J.
Object Type: Report
System: The UNT Digital Library
Laser-assisted solar cell metallization processing. Quarterly report, September 13-December 12, 1983 (open access)

Laser-assisted solar cell metallization processing. Quarterly report, September 13-December 12, 1983

The Westinghouse Electric Corporation has undertaken to investigate, develop, and characterize laser-assisted processing techniques utilized to produce the fine line, thin metal grid structures that are required to fabricate high-efficiency solar cells. Two basic techniques for metal deposition will be investigated, as follows: (1) photochemical decomposition of liquid or gas phase organometallic compounds utilizing either a focused, CW ultraviolet laser (System 1) or a mask and ultraviolet flood illumination, such as that provided by a repetitively pulsed, defocused excimer laser (System 2), for pattern definition, and (2) thermal deposition of metals from organometallic solutions or vapors utilizing a focused, CW laser beam as a local heat source to draw the metallization pattern. The purpose of this contract is to investigate the various existing laser-assisted film deposition techniques in order to develop a new, cost-effective technology for solar cell metallization. The tasks that will be performed in the conduct of these investigations are detailed. In the first three months of this contract, a comprehensive literature search has been carried out on the various state-of-the-art laser-assisted techniques for metal deposition, including laser chemical vapor deposition and laser photolysis of organometallics, as well as laser-enhanced electroplating. A compact system for the experiments involving …
Date: January 16, 1984
Creator: Dutta, S.
Object Type: Report
System: The UNT Digital Library
Separation and Characterization of Coal Derived Components. Quarterly Report, 1 October 1983-31 December 1983 (open access)

Separation and Characterization of Coal Derived Components. Quarterly Report, 1 October 1983-31 December 1983

No new field-ionization data was obtained this quarter. For preasphaltenes, elemental analysis data was obtained on Kentucky and Wyodak preasphaltene samples. In conjunction with the preasphaltene work, solubility and thin-layer chromatography experiments were performed. The results indicated that basic alumina would not be useful as a general stationary phase for the separation of preasphaltenes. Several experiments were carried out with Chromasorb T, and the results showed it would be an adequate substitute for Fluoropak. The hydrocarbons in a sample from Pittsburgh Energy Technology Center were separated by the number of double bonds. The optimum mobile phases for the separation of monohydroxyl aromatics and dihydroxyl aromatics by reversed-phase liquid chromatography were obtained. In addition, a means of predicting retention in normal-phase chromatography was considered, and a NO/sub 2/ high-performance chromatographic column showed promise for the separation of compound classes. 6 references, 4 figures, 7 tables.
Date: January 16, 1984
Creator: Hurtubise, R. H. & Silver, H. F.
Object Type: Report
System: The UNT Digital Library

[Photograph 2012.201.B0124.0138]

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Jackie and Bill Carey arrive at the dinner."
Date: May 16, 1984
Creator: Wilson, George R.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0095.0258]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Patricia and Henry Browne, chat with Sandra Bobzien, center."
Date: January 16, 1984
Creator: Wilson, George R.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0098.0240]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma senator David Boren, left, host a brunch for senators Robert Byrd of West Virginia and Lloyd Bentsen of Texas in the TransAmerica building Monday in San Francisco."
Date: July 16, 1984
Creator: Argo, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0138.0198]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: January 16, 1984
Creator: Wilson, George R.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0137.0134]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Brian Wiles, right, grabs a flying Frisbee just missed by Larry Church."
Date: March 16, 1984
Creator: Argo, Jim
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0152.0774]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Breaking ground for additions to the Dale Rogers Training Center are, from left, Barbara Hahn, Glynda Offutt, Kathleen Paxson, Harold Brand, John Giles and Sandy Sanders."
Date: August 16, 1984
Creator: Gooch, Steve
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0311B.0102]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Midwest City High School cheerleaders Julie Johnson encourages her teams last week as the boys varsity defended Putnam City West 66-57."
Date: February 16, 1984
Creator: Hoke, Doug
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0315B.0288]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Guitar music provides a background for conversation for John Mee, Joanna Johnston and Kathleen Long."
Date: June 16, 1984
Creator: Howell, Paul S.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0315B.0015]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. J Terry Johnson"
Date: October 16, 1984
Creator: Miller, Louie
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0231.0522]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Jean Gumerson works backstage with Anne Elder, 3, and other models for the Fashion Group's Children's show."
Date: April 16, 1984
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0260.0008]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: July 16, 1984
Creator: Klock, Roger
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0335.0318]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Robert and Patricia Mason and John Kirkpatrick."
Date: February 16, 1984
Creator: Southerland, Paul
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0306B.0770]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Susan L. James"
Date: September 16, 1984
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0226.0695]

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Vida Graham goes over lesson with Nhu Pham, left, and Souphaphone Horahout."
Date: January 16, 1984
Creator: Howell, Paul S.
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0313B.0735]

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Newlyweds Susan and Steve Jernigan dance to the music of Peter Duchin."
Date: June 16, 1984
Creator: Hoke, Doug
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0553.0733]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Protesting the latest rate increase requested by southern Union Gas Co."
Date: April 16, 1984
Creator: Gooch, Steve
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0245.0420]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Enjoying the Santa Fe weather on the patio are Louis Egolf Romero and Fred Hall president of Ballet Oklahoma center left photo."
Date: August 16, 1984
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0310B.0040]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Getting dressing ready at the Jesus House are, from left, Clara Haas, Betty Youngs, Joann Lenox, Al Brasier and Chester Hains."
Date: November 16, 1984
Creator: Gooch, Steve
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0223.0348]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Sherry Maupin stitches the loops for hanging a Christmas banner."
Date: December 16, 1984
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0271.0515]

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Rebecca Hunzicker, left, and Virginia Abernathy congratulate Eleanor Kirkpatrick, center, who was honored at the 1984 Omnifling celebration."
Date: April 16, 1984
Creator: unknown
Object Type: Photograph
System: The Gateway to Oklahoma History

[Photograph 2012.201.B0271.0337]

Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date: March 16, 1984
Creator: Gooch, Steve
Object Type: Photograph
System: The Gateway to Oklahoma History