15,346 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "Coal"  
Results: 1 - 24 next
open access

Low-rank coal research, Task 5.1. Topical report, April 1986--December 1992

Description: This document is a topical progress report for Low-Rank Coal Research performed April 1986 - December 1992. Control Technology and Coal Preparation Research is described for Flue Gas Cleanup, Waste Management, Regional Energy Policy Program for the Northern Great Plains, and Hot-Gas Cleanup. Advanced Research and Technology Development was conducted on Turbine Combustion Phenomena, Combustion Inorganic Transformation (two sections), Liquefaction Reactivity of Low-Rank Coals, Gasification Ash an… more
Date: February 1, 1993
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Directions for Sampling Coal for Shipment or Delivery

Description: Technical paper issued by the Bureau of Mines with instructions for coal sampling for shipment. As stated in the introduction, "this paper deals with the sampling of coal after it has been mined" (p. 5). This paper includes illustrations.
Date: June 1917
Creator: Pope, George S.
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department
open access

Low-rank coal research. Quarterly report, January--March 1990

Description: This document contains several quarterly progress reports for low-rank coal research that was performed from January-March 1990. Reports in Control Technology and Coal Preparation Research are in Flue Gas Cleanup, Waste Management, and Regional Energy Policy Program for the Northern Great Plains. Reports in Advanced Research and Technology Development are presented in Turbine Combustion Phenomena, Combustion Inorganic Transformation (two sections), Liquefaction Reactivity of Low-Rank Coals, Gas… more
Date: August 1, 1990
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Preparation Characteristics of Illinois Coals

Description: Report issued by the Bureau of Mines discussing the mechanical coal-preparation characteristics. As stated in the introduction, "this second publication reports the washability and screen analyses of the important Illinois coal beds, showing the quality of product that would result when the raw coal is subjected to preparatory treatment" (p. 1). This report includes tables, maps, and illustrations.
Date: 1949
Creator: Crentz, William L. & Fraser, Thomas
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The ENCOAL Mild Coal Gasification Project, A DOE Assessment

Description: This report is a post-project assessment of the ENCOAL{reg_sign} Mild Coal Gasification Project, which was selected under Round III of the U.S. Department of Energy (DOE) Clean Coal Technology (CCT) Demonstration Program. The CCT Demonstration Program is a government and industry cofunded technology development effort to demonstrate a new generation of innovative coal utilization processes in a series of commercial-scale facilities. The ENCOAL{reg_sign} Corporation, a wholly-owned subsidiary of… more
Date: March 15, 2002
Creator: National Energy Technology Laboratory (U.S.)
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Production of mild gasification coproducts

Description: The LFC process upgrades young coals and lignites to a solid fuel which resembles higher rank coals and coproduces a liquid that resembles fuel oil. During the natural metamorphic process of pressure and heat, younger lower rank coals are converted to older higher rank coals over a period of greater than 100 million years. SGI's LFC process accomplishes this transformation in less than an hour, producing solid Process Derived Fuel (PDF) and liquid Coal Derived Liquid (CDL) coproducts. The copro… more
Date: January 1, 1992
Creator: Horne, D. A. & Watson, P. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Analyses of Alaska Coals

Description: Report issued by the Bureau of Mines discussing the coal fields of Alaska. Analyses of the Alaskan coal fields are presented in detail. This report includes tables, and a map.
Date: 1946
Creator: Gates, George O. & Fieldner, Arno Carl
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Production of mild gasification coproducts

Description: In summary, the co-product production runs performed by the SGI Development Center yielded sufficient simulated PDF (process derived fuel) and CDL (coal derived liquid) to meet the production needs for each of the four coals. The LFC Process appears to be an attractive method for upgrading all of the coals except for the Knife River Coal because of its limited yield and difficulty in processing. The Buckskin coal appears to be a slightly stronger candidate for upgrading than the other three coa… more
Date: December 1, 1994
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Analyses of Kentucky Coals

Description: Report issued by the Bureau of Mines discussing analyses of the Eastern and Western coal fields in Kentucky. The two coal fields are described in detail. This report includes tables, and illustrations.
Date: 1944
Creator: McFarlan, Arthur C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Analyses of Mine and Car Samples of Coal Collected in the Fiscal Years 1911 to 1913

Description: Report issued by the Bureau of Mines over analyses of coal samples collected from 1911 to 1913. The analyses and descriptions of the samples are presented and discussed. This report includes tables, and illustrations.
Date: 1914
Creator: Fieldner, Arno Carl; Smith, Howard I.; Fay, Albert H. & Sanford, Samuel
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Assessment of Research Needs for Coal Utilization

Description: The Coal Combustion and Applications Working Group (CCAWG), at the request of J.W. Mares (Assistant Secretary for Fossil Energy) and A.W. Trivelpiece (Director, Office of Energy Research), has reviewed and evaluated the U.S. programs on coal combustion and utilization. The important topical areas of coal gasification and coal liquefaction have been deliberately excluded because R and D needs for these technologies were reviewed previously by the DOE Fossil Energy Research Working Group. The CCA… more
Date: August 1983
Creator: Penner, S. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1942

Description: Report issued by the U.S. Bureau of Mines discussing studies over the research and technology of coal during 1942. As stated in the introduction, "the annual reports of the research and technologic investigations conducted by the Bureau of Mines on the occurrence, properties, mining, preparation, and uses of coal, of which the present report is the seventh, are intended to be brief summaries of progress" (p. 4). This report includes tables, illustrations, and photographs.
Date: May 1943
Creator: Fieldner, Arno Carl & Rice, W. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Evaluation of fine-particle size catalysts using standard test procedures

Description: The goal of this project is to evaluate and compare the activities/selectivities of fine-particle size catalysts being developed in the DOE/PETC Advanced Research (AR) Liquefaction Program by using standard coal liquefaction activity test procedures. Since bituminous and subbituminous coals have significantly different properties, it is feasible that catalysts may perform differently with these coal types. Because all previous testing has been done with the DECS-17 Blind Canyon bituminous coal,… more
Date: July 1, 1996
Creator: Stohl, F.V.; Diegert, K.V. & Goodnow, D.C.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Analyses of West Virginia Coals

Description: Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteristics of coals and mines are discussed. This paper includes tables, maps, and illustrations.
Date: 1942
Creator: Price, Paul H.; Heck, E. T.; Fieldner, Arno Carl; Toenges, Albert L.; Anderson, R. L.; Snyder, N. H. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

POC-SCALE TESTING OF OIL AGGLOMERATION TECHNIQUES AND EQUIPMENT FOR FINE COAL PROCESSING

Description: This report covers the technical progress achieved from July 01, 1997 to September 30, 1997 on the POC-Scale Testing Agglomeration Techniques and Equipment for Fine Coal Processing project. Experimental procedures and test data for recovery of fine coal from coal fines streams generated at a commercial coal preparation plant are described. Two coal fines streams, namely Sieve Bend Effluent and Cyclone Overflow were investigated. The test results showed that ash was reduced by more than 50% at c… more
Date: January 1, 1998
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Coal Exports and Port Development

Description: A report by the Office of Technology Assessment (OTA) that looks at federal policies that affect coal exports and port development and finds that "sizable increases in future U.S. coal exports are achievable if the Federal Government and the private sector complement the efforts of each in encouraging these exports and if present trends are not drastically altered by developments in other exporting and importing countries" (Preface).
Date: April 1981
Creator: United States. Congress. Office of Technology Assessment.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941

Description: Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.
Date: November 1941
Creator: Fieldner, Arno Carl & Schmidt, L. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Production of mild gasification coproducts

Description: The LFC process upgrades young coals and lignites to a solid fuel which resembles higher rank coals and coproduces a liquid that resembles fuel oil. During the natural metamorphic process of pressure and heat, younger lower rank coals are converted to older higher rank coals over a period of greater than 100 million years. SGI`s LFC process accomplishes this transformation in less than an hour, producing solid Process Derived Fuel (PDF) and liquid Coal Derived Liquid (CDL) coproducts. The copro… more
Date: November 1, 1992
Creator: Horne, D. A. & Watson, P. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Applications of the thermogravimetric analysis in the study of fossil fuels

Description: Thermogravimetric analysis (TGA) of coal and resid liquids and coal and resid solid residues, produced in coal liquefaction and coal- derived resid hydroprocessing in SCTBR (short contact time batch reactor), provides a sensitive, rapid, reproducible means of studying kinetics and mechanisms of fossil fuel conversion processes. SimDis TGA and custom built TGA system for distillation provide unique means to characterize liquid fuels for boiling point distribution. TGA provides information about … more
Date: December 31, 1996
Creator: Huang, He; Wang, Keyu; Wang, Shaojie; Klein, M. T. & Calkins, W. H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Washing Characteristics of the Pittsburgh Coal in a High-Sulfur Area in Greene County, Pennsylvania

Description: Technical paper issued by the Bureau of Mines over characteristics of Pittsburgh-seam coal in Greene County, Pennsylvania. The characteristics and locations of the coal are presented and discussed. This paper includes tables, maps, and illustrations.
Date: 1946
Creator: Fraser, Thomas & Crentz, William L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Multiple-Shift Mechanical Mining in some Bituminous-Coal Mines: Progress Report 4. Extraction of Pillars with Mechanized Equipment

Description: Report issued by the U.S. Bureau of Mines discussing "some methods and practices of mining coal mechanically where operations are conducted on more than one shift" (p. 3). Descriptions of mines, and mining methods are presented. This report includes tables, and illustrations.
Date: December 1942
Creator: Toenges, Albert L.; Maize, Earl R. & Jones, Frank A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen