At head of title: United States Dept. of the interior, Harold L. Ickes, secretary. Bureau of mines, R. R. Sayers, director ...
|Statement||by George C. Sprunk and H. J. O"Donnell.|
|Series||United States. Bureau of mines. Technical paper 648|
|Contributions||O"Donnell, Hugh J., 1910- joint author.|
|LC Classifications||TN1 .U6 no. 648|
|The Physical Object|
|Pagination||v, 67 p. incl. illus., tables, diagrs.|
|Number of Pages||67|
|LC Control Number||42038694|
Mineral matter and ash deposition from coal: February , , Santa Barbara, California (Engineering Foundation publication) on *FREE* shipping on qualifying offers. Mineral matter and ash deposition from coal: February , , Santa Barbara, California (Engineering Foundation publication)Format: Unknown Binding. Your book will be printed and delivered directly from one of three print stations, allowing you to profit from economic shipping to any country in the world. Generally we use Premium shipping with an estimated delivery time of business days. P.O. Boxes cannot be used as a Ship-To Address. Additional Physical Format: Online version: Sprunk, G.C. (George C.), Mineral matter in coal. Washington, U.S. Govt. Print. Off., Mineral matter in coal: The amount mode of occurrence and composition of the mineral matter in coal are factors of great practical importance in determining its market acceptability and economic value. The yields and qualities of products obtainable by cleaning the coal are also dependent upon the characteristics of mineral Size: 85KB.
The minerals in 12U Coal are predominantly chlorite, quartz, and calcite, while the minerals in 12L Coal consist mainly of illite, quartz, chlorite, kaolinite, and mixed-layer illite/smectite (I/S). Mineral matter is generally considered to consist of all the inorganic minerals (discrete phases), as well as all elements (apart from C, H, O, N and S) that are in, or associated with, by: This review (1) describes and classifies the geological, physical, and chemical occurrences of mineral matters in coal; (2) summarizes analytical methods used to characterize the mineral matter; and (3) compares the mineral-matter composition of Illinois coals with that of other U.S. coals. Characterisation of Mineral Matter in South African Coals Using Micro-Raman Spectroscopy and Other Techniques Nthabiseng Beauty Maledi Thesis submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, in fulfilment of the requirements for the degree of Doctor of Philosophy Johannesburg,
given in Table Synthetic coal ashes were produced with coals blended with different minerals, the coals with combusted at conditions essentially, identical to those found in suspension fired furnaces. The changesin the coal ash mineral matter was brought about by addition of different additives such as Na. 2. O, K. 2. O,Al. 2. O. 3, P. 2. desirable aspects associated with the mineral matter in the coal. The mineral matter may be a catalyst for some of the current or future uses of coal. Specifically, the mineral matter could have some effect on combustion and also on future synthetic fuels efforts that could provide either gaseous or liquid fuels. At more than 50 percent mineral matter, the rock would be termed a carbonaceous shale rather than coal. Most mined coals are less than 20 percent mineral matter, and many coal contracts require less than 10 percent ash yield, which is approximately (but generally less than) the actual mineral matter content of a coal. adventitious mineral matter is transformed directly to ash in the combustor, and the shape is ly, mineral matter in coal and wood is contained within the organic matrix in the form of chemically bound molecules and submicron ng does not liberate this intrinsic mineral char combustion the.